DataSvc Class Reference

Data service base class. More...

#include <GaudiKernel/DataSvc.h>

Inheritance diagram for DataSvc:

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Collaboration diagram for DataSvc:

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List of all members.

Public Types
typedef std::vector < DataStoreItem >	LoadItems
	Define set of load items.
Public Member Functions
virtual CLID	rootCLID () const
	IDataManagerSvc: Accessor for root event CLID.
virtual std::string	rootName () const
	IDataManagerSvc: Accessor for root event name.
virtual StatusCode	registerAddress (const std::string &fullPath, IOpaqueAddress *pAddress)
	IDataManagerSvc: Register object address with the data store.
virtual StatusCode	registerAddress (DataObject *parentObj, const std::string &objectPath, IOpaqueAddress *pAddress)
	IDataManagerSvc: Register object address with the data store.
virtual StatusCode	registerAddress (IRegistry *parentObj, const std::string &objectPath, IOpaqueAddress *pAddress)
	IDataManagerSvc: Register object address with the data store.
virtual StatusCode	unregisterAddress (const std::string &fullPath)
	IDataManagerSvc: Unregister object address from the data store.
virtual StatusCode	unregisterAddress (DataObject *pParent, const std::string &objPath)
	IDataManagerSvc: Unregister object address from the data store.
virtual StatusCode	unregisterAddress (IRegistry *pParent, const std::string &objPath)
	IDataManagerSvc: Unregister object address from the data store.
virtual StatusCode	objectLeaves (const DataObject *pObject, std::vector< IRegistry * > &refLeaves)
	IDataManagerSvc: Explore the object store: retrieve all leaves attached to the object.
virtual StatusCode	objectLeaves (const IRegistry *pRegistry, std::vector< IRegistry * > &refLeaves)
	IDataManagerSvc: Explore the object store: retrieve all leaves attached to the object.
virtual StatusCode	objectParent (const DataObject *pObject, IRegistry *&refpParent)
	IDataManagerSvc: Explore the object store: retrieve the object's parent.
virtual StatusCode	objectParent (const IRegistry *pRegistry, IRegistry *&refpParent)
	IDataManagerSvc: Explore the object store: retrieve the object's parent.
virtual StatusCode	clearSubTree (const std::string &sub_tree_path)
	IDataManagerSvc: Remove all data objects below the sub tree identified by its full path name.
virtual StatusCode	clearSubTree (DataObject *pObject)
	IDataManagerSvc: Remove all data objects below the sub tree identified by the object.
virtual StatusCode	clearStore ()
	IDataManagerSvc: Remove all data objects in the data store.
virtual StatusCode	traverseSubTree (const std::string &sub_tree_path, IDataStoreAgent *pAgent)
	IDataManagerSvc: Analyze by traversing all data objects below the sub tree identified by its full path name.
virtual StatusCode	traverseSubTree (DataObject *pObject, IDataStoreAgent *pAgent)
	IDataManagerSvc: Analyze by traversing all data objects below the sub tree.
virtual StatusCode	traverseTree (IDataStoreAgent *pAgent)
	IDataManagerSvc: Analyze by traversing all data objects in the data store.
virtual StatusCode	setRoot (const std::string &root_name, DataObject *pRootObj)
	Initialize data store for new event by giving new event path and root object.
virtual StatusCode	i_setRoot (const std::string &root_name, DataObject *pRootObj)
	Initialize data store for new event by giving new event path and root object.
virtual StatusCode	setRoot (const std::string &root_path, IOpaqueAddress *pRootAddr)
	Initialize data store for new event by giving new event path and address of root object.
virtual StatusCode	i_setRoot (const std::string &root_path, IOpaqueAddress *pRootAddr)
	Initialize data store for new event by giving new event path and address of root object.
virtual StatusCode	setDataLoader (IConversionSvc *svc)
	IDataManagerSvc: IDataManagerSvc: Pass a default data loader to the service.
virtual StatusCode	addPreLoadItem (const DataStoreItem &item)
	Add an item to the preload list.
virtual StatusCode	addPreLoadItem (const std::string &itemPath)
	Add an item to the preload list.
virtual StatusCode	removePreLoadItem (const DataStoreItem &item)
	Remove an item from the preload list.
virtual StatusCode	removePreLoadItem (const std::string &itemPath)
	Add an item to the preload list.
virtual StatusCode	resetPreLoad ()
	Clear the preload list.
virtual StatusCode	preLoad (int depth, int load_depth, DataObject *pObject)
	Execute one level of preloading and recursively load until the final level is reached.
virtual StatusCode	preLoad ()
	load all preload items of the list
virtual StatusCode	registerObject (const std::string &fullPath, DataObject *pObject)
	Register object with the data store.
virtual StatusCode	registerObject (const std::string &parentPath, const std::string &objPath, DataObject *pObject)
	Register object with the data store.
virtual StatusCode	registerObject (const std::string &parentPath, int item, DataObject *pObject)
	Register object with the data store.
virtual StatusCode	registerObject (DataObject *parentObj, const std::string &objPath, DataObject *pObject)
	Register object with the data store.
virtual StatusCode	registerObject (DataObject *parentObj, int item, DataObject *pObject)
	Register object with the data store.
virtual StatusCode	unregisterObject (const std::string &fullPath)
	Unregister object from the data store.
virtual StatusCode	unregisterObject (const std::string &parentPath, const std::string &objectPath)
	Unregister object from the data store.
virtual StatusCode	unregisterObject (const std::string &parentPath, int item)
	Unregister object from the data store.
virtual StatusCode	unregisterObject (DataObject *pObject)
	Unregister object from the data store.
virtual StatusCode	unregisterObject (DataObject *pObject, const std::string &objectPath)
	Unregister object from the data store.
virtual StatusCode	unregisterObject (DataObject *pObject, int item)
	Unregister object from the data store.
virtual StatusCode	retrieveObject (IRegistry *pDirectory, const std::string &path, DataObject *&pObject)
	Retrieve object from data store.
virtual StatusCode	retrieveObject (const std::string &fullPath, DataObject *&pObject)
	Retrieve object identified by its full path from the data store.
virtual StatusCode	retrieveObject (const std::string &parentPath, const std::string &objPath, DataObject *&pObject)
	Retrieve object from data store.
virtual StatusCode	retrieveObject (const std::string &parentPath, int item, DataObject *&pObject)
	Retrieve object from data store.
virtual StatusCode	retrieveObject (DataObject *parentObj, const std::string &objPath, DataObject *&pObject)
	Retrieve object from data store.
virtual StatusCode	retrieveObject (DataObject *parentObj, int item, DataObject *&pObject)
	Retrieve object from data store.
virtual StatusCode	findObject (const std::string &fullPath, DataObject *&pObject)
	Find object identified by its full path in the data store.
virtual StatusCode	findObject (IRegistry *pDirectory, const std::string &path, DataObject *&pObject)
	Find object identified by its full path in the data store.
virtual StatusCode	findObject (const std::string &parentPath, const std::string &objPath, DataObject *&pObject)
	Find object in the data store.
virtual StatusCode	findObject (const std::string &parentPath, int item, DataObject *&pObject)
	Find object in the data store.
virtual StatusCode	findObject (DataObject *parentObj, const std::string &objPath, DataObject *&pObject)
	Find object in the data store.
virtual StatusCode	findObject (DataObject *parentObj, int item, DataObject *&pObject)
	Find object in the data store.
virtual StatusCode	linkObject (IRegistry *from, const std::string &objPath, DataObject *to)
	Add a link to another object.
virtual StatusCode	linkObject (const std::string &fromPath, const std::string &objPath, DataObject *to)
	Add a link to another object.
virtual StatusCode	linkObject (DataObject *from, const std::string &objPath, DataObject *to)
	Add a link to another object.
virtual StatusCode	linkObject (const std::string &fullPath, DataObject *to)
	Add a link to another object.
virtual StatusCode	unlinkObject (IRegistry *from, const std::string &objPath)
	Remove a link to another object.
virtual StatusCode	unlinkObject (const std::string &fromPath, const std::string &objPath)
	Remove a link to another object.
virtual StatusCode	unlinkObject (DataObject *fromObj, const std::string &objPath)
	Remove a link to another object.
virtual StatusCode	unlinkObject (const std::string &fullPath)
	Remove a link to another object.
virtual StatusCode	updateObject (IRegistry *pDirectory)
	Update object identified by its directory entry.
virtual StatusCode	updateObject (const std::string &updatePath)
	Update object.
virtual StatusCode	updateObject (DataObject *toUpdate)
	Update object.
virtual StatusCode	updateObject (const std::string &parentPath, const std::string &updatePath)
	Update object.
virtual StatusCode	updateObject (DataObject *pParent, const std::string &updatePath)
	Update object.
virtual StatusCode	initialize ()
	Service initialization.
virtual StatusCode	reinitialize ()
	Service initialization.
virtual StatusCode	finalize ()
	Service initialization.
	DataSvc (const std::string &name, ISvcLocator *svc)
	Standard Constructor.
virtual	~DataSvc ()
	Standard Destructor.
Protected Member Functions
bool	checkRoot ()
	Check if root path is valid.
virtual IConversionSvc *	getDataLoader (IRegistry *pReg)
	Retrieve customizable data loader according to registry entry to be retrieved.
virtual DataObject *	createDefaultObject () const
	Create default objects in case forced creation of leaves is requested.
virtual StatusCode	loadObject (IRegistry *pNode)
	Invoke Persistency service to create transient object from its persistent representation.
virtual StatusCode	loadObject (IConversionSvc *pLoader, IRegistry *pNode)
	Invoke Persistency service to create transient object from its persistent representation.
StatusCode	retrieveEntry (DataSvcHelpers::RegistryEntry *pNode, const std::string &path, DataSvcHelpers::RegistryEntry *&pEntry)
	Retrieve registry entry from store.
DataObject *	handleDataFault (IRegistry *pReg, const std::string &path="")
	Invoke data fault handling if enabled.
Protected Attributes
CLID	m_rootCLID
	Integer Property corresponding to CLID of root entry.
std::string	m_rootName
	Name of root event.
IConversionSvc *	m_dataLoader
	Pointer to data loader service.
IIncidentSvc *	m_incidentSvc
	Pointer to incident service.
LoadItems	m_preLoads
	Items to be pre-loaded.
bool	m_forceLeaves
	Allow forced creation of default leaves on registerObject.
bool	m_enableAccessHdlr
	Flag to enable interrupts on data access requests.
bool	m_enableFaultHdlr
	Flag to enable interrupts on data creation requests.
DataSvcHelpers::RegistryEntry *	m_root
	Pointer to root entry.
DataSvcHelpers::InhibitMap *	m_inhibitMap
	Map with object paths to be inhibited from loading.
std::vector< std::string >	m_inhibitPathes
	Property for the inhibited leaves.
std::string	m_accessName
	Name of the data access incident.
std::string	m_faultName
	Name of the data fault incident.
Private Member Functions
	DataSvc (const DataSvc &)
	Fake copy constructor (never implemented).
DataSvc &	operator= (const DataSvc &)
	Fake assignment operator (never implemented).
Friends
class	SvcFactory< DataSvc >
	The class creator is of course a friend!

---

Detailed Description

Data service base class.

A data service manages the transient data stores and implements the IDataProviderSvc and IDataManagerSvc interfaces.

Author:

Markus Frank

Sebastien Ponce

Version:

1.0

Definition at line 42 of file DataSvc.h.

---

Member Typedef Documentation

typedef std::vector<DataStoreItem> DataSvc::LoadItems

Define set of load items.

Definition at line 49 of file DataSvc.h.

---

Constructor & Destructor Documentation

DataSvc::DataSvc	(	const std::string &	name,
		ISvcLocator *	svc
	)

Standard Constructor.

Definition at line 1378 of file DataSvc.cpp.

: base_class(name,svc), m_rootCLID( /*CLID_Event*/ 110),
  m_rootName( "/Event"), m_root(0)
{
  m_dataLoader = 0;
  m_inhibitMap = 0;
  m_incidentSvc = 0;
  m_forceLeaves = false;
  m_enableFaultHdlr = false;
  m_enableAccessHdlr = false;
  m_faultName  = "DataFault";
  m_accessName = "DataAccess";
  declareProperty("RootCLID",            m_rootCLID);
  declareProperty("RootName",            m_rootName);
  declareProperty("ForceLeaves",         m_forceLeaves);
  declareProperty("InhibitPathes",       m_inhibitPathes);
  declareProperty("DataFaultName",       m_faultName);
  declareProperty("DataAccessName",      m_accessName);
  declareProperty("EnableFaultHandler",  m_enableFaultHdlr);
  declareProperty("EnableAccessHandler", m_enableAccessHdlr);
}

DataSvc::~DataSvc

(

)

[virtual]

Standard Destructor.

Definition at line 1401 of file DataSvc.cpp.

                   {
  setDataLoader(0).ignore();
  resetPreLoad().ignore();
  clearStore().ignore();
}

DataSvc::DataSvc

(

const DataSvc &

)

[private]

Fake copy constructor (never implemented).

---

Member Function Documentation

CLID DataSvc::rootCLID

(

)

const [virtual]

IDataManagerSvc: Accessor for root event CLID.

CLID for root Event.

Definition at line 1356 of file DataSvc.cpp.

                             {
  return( (CLID)m_rootCLID );
}

std::string DataSvc::rootName

(

)

const [virtual]

IDataManagerSvc: Accessor for root event name.

Name for root Event.

Definition at line 1361 of file DataSvc.cpp.

                                  {
  return( m_rootName );
}

StatusCode DataSvc::registerAddress	(	const std::string &	fullPath,
		IOpaqueAddress *	pAddress
	)			[virtual]

IDataManagerSvc: Register object address with the data store.

Definition at line 247 of file DataSvc.cpp.

                                                                {
  if ( fullPath.length() > 0 )    {
    if ( fullPath[0] != SEPARATOR )   {
      return registerAddress(m_root, fullPath, pAddress);
    }
    IRegistry* pRegistry = 0;
    return registerAddress(pRegistry, fullPath, pAddress);
  }
  return INVALID_OBJ_PATH;
}

StatusCode DataSvc::registerAddress	(	DataObject *	parentObj,
		const std::string &	objectPath,
		IOpaqueAddress *	pAddress
	)			[virtual]

IDataManagerSvc: Register object address with the data store.

Definition at line 260 of file DataSvc.cpp.

                                                                {
  IRegistry* pRegistry = (0 == parentObj) ? 0 : parentObj->registry();
  return registerAddress(pRegistry, objectPath, pAddress);
}

StatusCode DataSvc::registerAddress	(	IRegistry *	parentObj,
		const std::string &	objectPath,
		IOpaqueAddress *	pAddress
	)			[virtual]

IDataManagerSvc: Register object address with the data store.

Definition at line 268 of file DataSvc.cpp.

                                                                {
  if ( checkRoot() )  {
    if ( objPath.length() > 0 )   {
      if ( 0 == parentObj )   {
        if ( objPath[0] != SEPARATOR )    {
          return registerAddress(m_root, objPath, pAddress);
        }
        std::string::size_type sep = objPath.find(SEPARATOR,1);
        if ( sep != std::string::npos )    {
          std::string p_path (objPath, 0, sep);
          if ( p_path == m_rootName )   {
            std::string o_path (objPath, sep, objPath.length());
            return registerAddress(m_root, o_path, pAddress);
          }
        }
        return INVALID_PARENT;
      }
      if ( objPath[0] != SEPARATOR )    {
        std::string path;
        path  = SEPARATOR;
        path += objPath;
        return registerAddress(parentObj, path, pAddress);
      }
      RegEntry* par_entry = CAST_REGENTRY(RegEntry*,parentObj);
      if ( 0 != par_entry )   {
        std::string::size_type sep = objPath.rfind(SEPARATOR);
        if ( sep > 0 && sep != std::string::npos )    {
          std::string p_path (objPath, 0, sep);
          std::string o_path (objPath, sep, objPath.length());
          RegEntry* p_entry = par_entry->findLeaf(p_path);
          // Create default object leafs if the
          // intermediate nodes are not present
          if ( 0 == p_entry && m_forceLeaves )    {
            DataObject *pLeaf = createDefaultObject();
            StatusCode sc = registerObject(par_entry->identifier(),
                                           p_path,
                                           pLeaf);
            if ( ! sc.isSuccess() )   {
              delete pLeaf;
            }
            p_entry = par_entry->findLeaf(p_path);
          }
          if ( 0 != p_entry )  {
            return registerAddress(p_entry, o_path, pAddress);
          }
          return INVALID_PARENT;
        }
        StatusCode status = par_entry->add(objPath, pAddress);
        if ( status.isSuccess() )   {
          return status;
        }
        return DOUBL_OBJ_PATH;
      }
      return INVALID_PARENT;
    }
    return INVALID_OBJ_PATH;
  }
  return INVALID_ROOT;
}

StatusCode DataSvc::unregisterAddress

(

const std::string &

fullPath

)

[virtual]

IDataManagerSvc: Unregister object address from the data store.

Definition at line 331 of file DataSvc.cpp.

                                                                  {
  if ( fullPath.length() > 0 )    {
    IRegistry* pRegistry = 0;
    if ( fullPath[0] != SEPARATOR )   {
      return unregisterAddress(m_root, fullPath);
    }
    return unregisterAddress(pRegistry, fullPath);
  }
  return INVALID_OBJ_PATH;
}

StatusCode DataSvc::unregisterAddress	(	DataObject *	pParent,
		const std::string &	objPath
	)			[virtual]

IDataManagerSvc: Unregister object address from the data store.

Definition at line 343 of file DataSvc.cpp.

                                                                  {
  IRegistry* pRegistry = (0 == pParent) ? 0 : pParent->registry();
  return unregisterAddress(pRegistry, objPath);
}

StatusCode DataSvc::unregisterAddress	(	IRegistry *	pParent,
		const std::string &	objPath
	)			[virtual]

IDataManagerSvc: Unregister object address from the data store.

Definition at line 350 of file DataSvc.cpp.

                                                                  {
  if ( checkRoot() )  {
    if ( objPath.length() > 0 )   {
      if ( 0 == pParent )   {
        if ( objPath[0] != SEPARATOR )    {
          return unregisterAddress(m_root, objPath);
        }
        std::string::size_type sep = objPath.find(SEPARATOR,1);
        if ( sep != std::string::npos )    {
          std::string p_path (objPath, 0, sep);
          if ( p_path == m_rootName )   {
            std::string o_path (objPath, sep, objPath.length());
            return unregisterAddress(m_root, o_path);
          }
        }
        return INVALID_PARENT;
      }
      if ( objPath[0] != SEPARATOR )    {
        std::string path;
        path  = SEPARATOR;
        path += objPath;
        return unregisterAddress(pParent, path);
      }
      RegEntry* node_entry = CAST_REGENTRY(RegEntry*,pParent);
      if ( 0 != node_entry )   {
        RegEntry* leaf_entry = node_entry->findLeaf(objPath);
        if ( 0 != leaf_entry )    {
          std::string::size_type sep = objPath.rfind(SEPARATOR);
          if ( sep > 0 && sep != std::string::npos )    {
            std::string path = objPath.substr(sep);
            return unregisterAddress(leaf_entry->parent(), path);
          }
          StatusCode status = node_entry->remove(objPath);
          if ( status.isSuccess() )   {
            return status;
          }
        }
      }
      return INVALID_PARENT;
    }
    return INVALID_OBJ_PATH;
  }
  return INVALID_ROOT;
}

StatusCode DataSvc::objectLeaves	(	const DataObject *	pObject,
		std::vector< IRegistry * > &	refLeaves
	)			[virtual]

IDataManagerSvc: Explore the object store: retrieve all leaves attached to the object.

IDataManagerSvc: Explore an object identified by its pointer.

Definition at line 222 of file DataSvc.cpp.

                                                                  {
  if ( pObject )    {
    return objectLeaves(pObject->registry(), leaves);
  }
  return INVALID_OBJECT;
}

StatusCode DataSvc::objectLeaves	(	const IRegistry *	pRegistry,
		std::vector< IRegistry * > &	refLeaves
	)			[virtual]

IDataManagerSvc: Explore the object store: retrieve all leaves attached to the object.

IDataManagerSvc: Explore an object identified by the pointer to the registry entry.

Definition at line 233 of file DataSvc.cpp.

                                                                  {
  if ( checkRoot() )    {
    const RegEntry* node_entry = CAST_REGENTRY(const RegEntry*,pRegistry);
    if ( node_entry )   {
      leaves = node_entry->leaves();
      return StatusCode::SUCCESS;
    }
    return INVALID_OBJECT;
  }
  return INVALID_ROOT;
}

StatusCode DataSvc::objectParent	(	const DataObject *	pObject,
		IRegistry *&	refpParent
	)			[virtual]

IDataManagerSvc: Explore the object store: retrieve the object's parent.

Definition at line 200 of file DataSvc.cpp.

                                                           {
  if ( pObject )    {
    return objectParent(pObject->registry(), refpParent);
  }
  return INVALID_OBJECT;
}

StatusCode DataSvc::objectParent	(	const IRegistry *	pRegistry,
		IRegistry *&	refpParent
	)			[virtual]

IDataManagerSvc: Explore the object store: retrieve the object's parent.

Definition at line 208 of file DataSvc.cpp.

                                                          {
  if ( checkRoot() )    {
    const RegEntry* node_entry = CAST_REGENTRY(const RegEntry*,pRegistry);
    if ( node_entry )   {
      refpParent = node_entry->parent();
      return StatusCode::SUCCESS;
    }
    return INVALID_OBJECT;
  }
  return INVALID_ROOT;
}

StatusCode DataSvc::clearSubTree

(

const std::string &

sub_tree_path

)

[virtual]

IDataManagerSvc: Remove all data objects below the sub tree identified by its full path name.

IDataManagerSvc: Remove all data objects below the sub tree identified by its full path name.

Definition at line 55 of file DataSvc.cpp.

                                                                  {
  DataObject* pObject = 0;
  StatusCode status = findObject(sub_tree_path, pObject);
  if ( status.isSuccess() )   {
    RegEntry* node_entry = CAST_REGENTRY(RegEntry*,pObject->registry());
    if ( 0 != node_entry )   {
      RegEntry* parent = node_entry->parentEntry();
      if ( 0 != parent )  {
        parent->remove(node_entry);
        return StatusCode::SUCCESS;
      }
      return INVALID_PARENT;
    }
    return INVALID_OBJECT;
  }
  return status;
}

StatusCode DataSvc::clearSubTree

(

DataObject *

pObject

)

[virtual]

IDataManagerSvc: Remove all data objects below the sub tree identified by the object.

IDataManagerSvc: Remove all data objects below the sub tree identified by the object.

Definition at line 76 of file DataSvc.cpp.

                                                       {
  if ( checkRoot() )  {
    RegEntry* entry = CAST_REGENTRY(RegEntry*,pObject->registry());
    if ( 0 != entry )   {
      RegEntry* parent = entry->parentEntry();
      if ( 0 != parent )  {
        parent->remove(entry);
        return SUCCESS;
      }
      return INVALID_PARENT;
    }
    return INVALID_OBJECT;
  }
  return INVALID_ROOT;
}

StatusCode DataSvc::clearStore

(

)

[virtual]

IDataManagerSvc: Remove all data objects in the data store.

Reimplemented in DetDataSvc.

Definition at line 93 of file DataSvc.cpp.

                                 {
  if ( checkRoot() )    {
    m_root->release();
    m_root = 0;
    return SUCCESS;
  }
  return INVALID_ROOT;
}

StatusCode DataSvc::traverseSubTree	(	const std::string &	sub_tree_path,
		IDataStoreAgent *	pAgent
	)			[virtual]

IDataManagerSvc: Analyze by traversing all data objects below the sub tree identified by its full path name.

IDataManagerSvc: Analyse by traversing all data objects below the sub tree identified by its full path name.

Definition at line 105 of file DataSvc.cpp.

                                                               {
  DataObject* pO = 0;
  StatusCode status = findObject(sub_tree_path, pO);
  if ( status.isSuccess() )   {
    status = traverseSubTree(pO, pAgent);
  }
  return status;
}

StatusCode DataSvc::traverseSubTree	(	DataObject *	pObject,
		IDataStoreAgent *	pAgent
	)			[virtual]

IDataManagerSvc: Analyze by traversing all data objects below the sub tree.

IDataManagerSvc: Analyse by traversing all data objects below the sub tree.

Definition at line 116 of file DataSvc.cpp.

                                                                 {
  if ( checkRoot() )    {
    RegEntry* entry = CAST_REGENTRY(RegEntry*,pObject->registry());
    if ( 0 != entry )   {
      return entry->traverseTree(pAgent);
    }
    return INVALID_OBJECT;
  }
  return INVALID_ROOT;
}

StatusCode DataSvc::traverseTree

(

IDataStoreAgent *

pAgent

)

[virtual]

IDataManagerSvc: Analyze by traversing all data objects in the data store.

IDataManagerSvc: Analyse by traversing all data objects in the data store.

Definition at line 129 of file DataSvc.cpp.

                                                          {
  if ( checkRoot() )    {
    return m_root->traverseTree(pAgent);
  }
  return INVALID_ROOT;
}

StatusCode DataSvc::setRoot	(	const std::string &	root_path,
		DataObject *	pRootObj
	)			[virtual]

Initialize data store for new event by giving new event path and root object.

Initialize data store for new event by giving new event path and root object.

Takes care to clear the store before reinitializing it

Takes care to clear the store before reinitializing it

Definition at line 140 of file DataSvc.cpp.

                                                     {
  clearStore().ignore();
  return i_setRoot (root_path, pRootObj);
}

StatusCode DataSvc::i_setRoot	(	const std::string &	root_path,
		DataObject *	pRootObj
	)			[virtual]

Initialize data store for new event by giving new event path and root object.

Initialize data store for new event by giving new event path and root object.

Does not clear the store before reinitializing it. This could lead to errors and should be handle with care. Use setRoot if unsure

Does not clear the store before reinitializing it. This could lead to errors and should be handle with care. Use setRoot if unsure

Definition at line 151 of file DataSvc.cpp.

                                                       {
  if ( 0 != pRootObj )  {
    m_root = new RegEntry(root_path);
    m_root->makeHard(pRootObj);
    m_root->setDataSvc(this);
    preLoad().ignore();
  }
  return SUCCESS;
}

StatusCode DataSvc::setRoot	(	const std::string &	root_path,
		IOpaqueAddress *	pRootAddr
	)			[virtual]

Initialize data store for new event by giving new event path and address of root object.

Initialize data store for new event by giving new event path and address of root object.

Takes care to clear the store before reinitializing it

Takes care to clear the store before reinitializing it

Definition at line 166 of file DataSvc.cpp.

                                                          {
  clearStore().ignore();
  return i_setRoot (root_path, pRootAddr);
}

StatusCode DataSvc::i_setRoot	(	const std::string &	root_path,
		IOpaqueAddress *	pRootAddr
	)			[virtual]

Initialize data store for new event by giving new event path and address of root object.

Initialize data store for new event by giving new event path and address of root object.

Does not clear the store before reinitializing it. This could lead to errors and should be handle with care. Use setRoot if unsure

Does not clear the store before reinitializing it. This could lead to errors and should be handle with care. Use setRoot if unsure

Definition at line 177 of file DataSvc.cpp.

                                                            {
  if ( 0 != pRootAddr )  {
    m_root = new RegEntry(root_path);
    m_root->makeHard(pRootAddr);
    m_root->setDataSvc(this);
    preLoad().ignore();
  }
  return SUCCESS;
}

StatusCode DataSvc::setDataLoader

(

IConversionSvc *

svc

)

[virtual]

IDataManagerSvc: IDataManagerSvc: Pass a default data loader to the service.

IDataManagerSvc: Pass a default data loader to the service.

Definition at line 189 of file DataSvc.cpp.

                                                                {
  if ( 0 != pDataLoader  ) pDataLoader->addRef();
  if ( 0 != m_dataLoader ) m_dataLoader->release();
  if ( 0 != pDataLoader  )    {
    pDataLoader->setDataProvider(this).ignore();
  }
  m_dataLoader = pDataLoader;
  return SUCCESS;
}

StatusCode DataSvc::addPreLoadItem

(

const DataStoreItem &

item

)

[virtual]

Add an item to the preload list.

Definition at line 1233 of file DataSvc.cpp.

                                                               {
  LoadItems::iterator i = std::find(m_preLoads.begin(), m_preLoads.end(), item);
  if ( i == m_preLoads.end() )    {
    m_preLoads.push_back(item);
  }
  return StatusCode::SUCCESS;
}

StatusCode DataSvc::addPreLoadItem

(

const std::string &

itemPath

)

[virtual]

Add an item to the preload list.

Definition at line 1242 of file DataSvc.cpp.

                                                               {
  return addPreLoadItem( DataStoreItem(itemPath,1) );
}

StatusCode DataSvc::removePreLoadItem

(

const DataStoreItem &

item

)

[virtual]

Remove an item from the preload list.

Definition at line 1247 of file DataSvc.cpp.

                                                                 {
  LoadItems::iterator i =
    std::remove(m_preLoads.begin(), m_preLoads.end(), item);
  if ( i != m_preLoads.end() )  {
    m_preLoads.erase(i, m_preLoads.end());
  }
  return StatusCode::SUCCESS;
}

StatusCode DataSvc::removePreLoadItem

(

const std::string &

itemPath

)

[virtual]

Add an item to the preload list.

Definition at line 1257 of file DataSvc.cpp.

                                                                  {
  return removePreLoadItem( DataStoreItem(itemPath,1) );
}

StatusCode DataSvc::resetPreLoad

(

)

[virtual]

Clear the preload list.

Definition at line 1262 of file DataSvc.cpp.

                                    {
  m_preLoads.erase(m_preLoads.begin(), m_preLoads.end());
  return StatusCode::SUCCESS;
}

StatusCode DataSvc::preLoad	(	int	depth,
		int	load_depth,
		DataObject *	pObject
	)			[virtual]

Execute one level of preloading and recursively load until the final level is reached.

Preload one level deep, then recursively call the next level.

Parameters:

	depth	current level of loading from requested parent
	load_depth	maximum level of object loading
	pObject	pointer to next level root object

Returns:

Status code indicating success or failure.

Definition at line 1268 of file DataSvc.cpp.

                                                                             {
  //unused:  StatusCode sc = StatusCode::FAILURE;
  if ( 0 != pObject && depth++ < load_depth )    {
    RegEntry* dir = CAST_REGENTRY(RegEntry*,pObject->registry());
    if ( 0 != dir )   {
      for (RegEntry::Iterator i = dir->begin(); i != dir->end(); i++ )    {
        DataObject *pObj = 0;
        StatusCode status = retrieveObject(pObject, (*i)->name(), pObj);
        if ( status.isSuccess() && depth < load_depth )   {
          preLoad(depth, load_depth, pObj).ignore();
        }
      }
    }
  }
  return StatusCode::SUCCESS;
}

StatusCode DataSvc::preLoad

(

)

[virtual]

load all preload items of the list

Definition at line 1286 of file DataSvc.cpp.

                              {
  DataObject* pObj = 0;
  for (LoadItems::iterator i = m_preLoads.begin(); i != m_preLoads.end(); i++) {
    StatusCode sc = retrieveObject( (*i).path(), pObj);
    int load_depth = (*i).depth();
    if ( sc.isSuccess() && load_depth > 1 )   {
      preLoad(1, load_depth, pObj).ignore();
    }
  }
  return StatusCode::SUCCESS;
}

StatusCode DataSvc::registerObject	(	const std::string &	fullPath,
		DataObject *	pObject
	)			[virtual]

Register object with the data store.

Definition at line 397 of file DataSvc.cpp.

                                                           {
  return registerObject(0, fullPath, pObject);
}

StatusCode DataSvc::registerObject	(	const std::string &	parentPath,
		const std::string &	objPath,
		DataObject *	pObject
	)			[virtual]

Register object with the data store.

Definition at line 404 of file DataSvc.cpp.

                                                           {
  DataObject* pO = 0;
  StatusCode status = retrieveObject(parentPath, pO);
  if ( !status.isSuccess() && m_forceLeaves )   {
    pO = createDefaultObject();
    status = registerObject(parentPath, pO);
    if ( !status.isSuccess() )   {
      pO->release();
    }
  }
  if ( status.isSuccess() )   {
    status = registerObject(pO, objPath, pObject);
  }
  return status;
}

StatusCode DataSvc::registerObject	(	const std::string &	parentPath,
		int	item,
		DataObject *	pObject
	)			[virtual]

Register object with the data store.

Definition at line 423 of file DataSvc.cpp.

                                                          {
  char buffer[32] = "/";
  ::_itoa( item, &buffer[1] , 10 );
  return registerObject(parentPath, buffer, pObject);
}

StatusCode DataSvc::registerObject	(	DataObject *	parentObj,
		const std::string &	objPath,
		DataObject *	pObject
	)			[virtual]

Register object with the data store.

Definition at line 441 of file DataSvc.cpp.

                                                          {
  if ( checkRoot() )  {
    if ( 0 == parentObj )   {
      if ( objPath.length() > 0 )   {
        if ( objPath[0] == SEPARATOR )    {
          std::string::size_type sep = objPath.find(SEPARATOR,1);
          if ( sep != std::string::npos )    {
            std::string p_path (objPath, 0, sep);
            std::string o_path (objPath, sep, objPath.length());
            return registerObject(p_path, o_path, pObject);
          }
        }
        else  {
          return registerObject(m_rootName, objPath, pObject);
        }
      }
      return INVALID_OBJ_PATH;
    }
    RegEntry* node_entry = CAST_REGENTRY(RegEntry*,parentObj->registry());
    if ( 0 != node_entry )   {
      StatusCode status = INVALID_PARENT;
      std::string::size_type sep = objPath.find(SEPARATOR,1);
      if ( sep != std::string::npos )    {
        std::string p_path (objPath, 0, sep);
        std::string o_path (objPath, sep, objPath.length());
        RegEntry* par_entry = node_entry->findLeaf(p_path);
        // Create default object leafs if the
        // intermediate nodes are not present
        if ( 0 == par_entry && m_forceLeaves )    {
          DataObject *pLeaf = createDefaultObject();
          StatusCode sc = registerObject(parentObj, p_path, pLeaf);
          if ( ! sc.isSuccess() )   {
            delete pLeaf;
          }
          par_entry = node_entry->findLeaf(p_path);
        }
        else if ( 0 != par_entry && par_entry->object() == 0 )  {
          status = retrieveEntry( node_entry, p_path, par_entry);
          if ( !status.isSuccess() && !par_entry->address() && m_forceLeaves )  {
            DataObject *pLeaf = createDefaultObject();
            StatusCode sc = registerObject(parentObj, p_path, pLeaf);
            if ( ! sc.isSuccess() )   {
              delete pLeaf;
            }
            par_entry = node_entry->findLeaf(p_path);
          }
        }
        node_entry = par_entry;
        if ( 0 != node_entry )    {
          DataObject* obj = node_entry->object();
          if ( 0 != obj )   {
            status = registerObject( obj, o_path, pObject );
          }
        }
      }
      else   {
        RegEntry* leaf = node_entry->findLeaf(objPath);
        if ( 0 == leaf )    {
          status = node_entry->add( objPath, pObject );
        }
        else    {
          DataObject* obj = leaf->object();
          if ( 0 == obj )    {
            if (0 == pObject) {
              MsgStream log(msgSvc(), name());
              log << MSG::ERROR
                  << "registerObject: trying to register null DataObject" << endmsg;
              return StatusCode::FAILURE;
            }
            else  {
              pObject->setRegistry(leaf);
            }
            leaf->setAddress(0);
            leaf->setObject(pObject);
            status = StatusCode::SUCCESS;
          }
          else  {
            status = DOUBL_OBJ_PATH;
          }
        }
      }
      return status;
    }
    return INVALID_PARENT;
  }
  return INVALID_ROOT;
}

StatusCode DataSvc::registerObject	(	DataObject *	parentObj,
		int	item,
		DataObject *	pObject
	)			[virtual]

Register object with the data store.

Definition at line 432 of file DataSvc.cpp.

                                                          {
  char buffer[32] = "/";
  ::_itoa( item, &buffer[1] , 10 );
  return registerObject(parentObj, buffer, pObject);
}

StatusCode DataSvc::unregisterObject

(

const std::string &

fullPath

)

[virtual]

Unregister object from the data store.

Definition at line 532 of file DataSvc.cpp.

                                                                {
  DataObject* pObject = 0;
  StatusCode status = findObject(fullPath, pObject);
  if ( status.isSuccess() )   {
    RegEntry* pEntry = CAST_REGENTRY(RegEntry*,pObject->registry());
    if ( 0 != pEntry )    {
      if ( pEntry->isEmpty() )    {
        RegEntry* pParent = pEntry->parentEntry();
        if ( 0 != pParent )   {
          if ( 0 != pObject )    {
            pObject->addRef();
          }
          pParent->remove(pEntry);
          return StatusCode::SUCCESS;
        }
        return INVALID_PARENT;
      }
      return DIR_NOT_EMPTY;
    }
    return INVALID_ROOT;
  }
  return status;
}

StatusCode DataSvc::unregisterObject	(	const std::string &	parentPath,
		const std::string &	objectPath
	)			[virtual]

Unregister object from the data store.

Definition at line 557 of file DataSvc.cpp.

                                                                 {
  DataObject* pO = 0;
  StatusCode status = findObject(parentPath, pO);
  if ( status.isSuccess() )   {
    status = unregisterObject(pO, objPath);
  }
  return status;
}

StatusCode DataSvc::unregisterObject	(	const std::string &	parentPath,
		int	item
	)			[virtual]

Unregister object from the data store.

Definition at line 568 of file DataSvc.cpp.

                                                                          {
  char objPath[32] = "/";
  ::_itoa( item, &objPath[1] , 10 );
  return unregisterObject(parentPath, objPath);
}

StatusCode DataSvc::unregisterObject

(

DataObject *

pObject

)

[virtual]

Unregister object from the data store.

Definition at line 575 of file DataSvc.cpp.

                                                           {
  if ( checkRoot() )  {
    RegEntry* entry = m_root->findLeaf(pObject);
    if ( 0 != entry )   {
      RegEntry* parent = entry->parentEntry();
      if ( 0 != parent )    {
        if ( entry->isEmpty() )    {
          if ( 0 != entry->object() )    {
            entry->object()->addRef();
          }
          if ( 0 != parent )  {
            parent->remove(entry);
          }
          return SUCCESS;
        }
        return INVALID_PARENT;
      }
      return DIR_NOT_EMPTY;
    }
    return INVALID_OBJECT;
  }
  return INVALID_ROOT;
}

StatusCode DataSvc::unregisterObject	(	DataObject *	pObject,
		const std::string &	objectPath
	)			[virtual]

Unregister object from the data store.

Definition at line 600 of file DataSvc.cpp.

                                                                   {
  if ( checkRoot() )  {
    try   {
      RegEntry* parent = CAST_REGENTRY(RegEntry*,pParentObj->registry());
      if ( 0 != parent )   {
        RegEntry* entry = parent->findLeaf(objectPath);
        if ( 0 != entry )   {
          if ( entry->isEmpty() )    {
            if ( 0 != entry->object() )    {
              entry->object()->addRef();
            }
            parent->remove(entry);
            return SUCCESS;
          }
          return DIR_NOT_EMPTY;
        }
        return INVALID_OBJECT;
      }
    }
    catch(...) {
    }
    return INVALID_PARENT;
  }
  return INVALID_ROOT;
}

StatusCode DataSvc::unregisterObject	(	DataObject *	pObject,
		int	item
	)			[virtual]

Unregister object from the data store.

Definition at line 628 of file DataSvc.cpp.

                                                                        {
  char objPath[32] = "/";
  ::_itoa( item, &objPath[1] , 10 );
  return unregisterObject(pParentObj, objPath);
}

StatusCode DataSvc::retrieveObject	(	IRegistry *	pDirectory,
		const std::string &	path,
		DataObject *&	pObject
	)			[virtual]

Retrieve object from data store.

Retrieve object identified by its directory from the data store.

Definition at line 860 of file DataSvc.cpp.

                                                           {
  pObject = 0;
  RegEntry *result = 0, *parent = CAST_REGENTRY(RegEntry*,pRegistry);
  StatusCode status = retrieveEntry(parent, path, result);
  if ( status.isSuccess() )   {
    pObject = result->object();
  }
  return status;
}

StatusCode DataSvc::retrieveObject	(	const std::string &	fullPath,
		DataObject *&	pObject
	)			[virtual]

Retrieve object identified by its full path from the data store.

Definition at line 873 of file DataSvc.cpp.

                                                           {
  IRegistry* nullDir = 0;
  return retrieveObject(nullDir, fullPath, pObject);
}

StatusCode DataSvc::retrieveObject	(	const std::string &	parentPath,
		const std::string &	objPath,
		DataObject *&	pObject
	)			[virtual]

Retrieve object from data store.

Retrieve object identified by its full path from the data store.

Definition at line 880 of file DataSvc.cpp.

                                                           {
  DataObject* parent = 0;
  StatusCode status = retrieveObject(parentPath, parent);
  if ( status.isSuccess() )   {
    status = retrieveObject (parent, objectPath, pObject);
  }
  return status;
}

StatusCode DataSvc::retrieveObject	(	const std::string &	parentPath,
		int	item,
		DataObject *&	pObject
	)			[virtual]

Retrieve object from data store.

Retrieve object identified by its full path from the data store.

Definition at line 892 of file DataSvc.cpp.

                                                           {
  char buffer[32] = "/";
  ::_itoa(item,&buffer[1],10);
  return retrieveObject(parentPath, buffer, pObject);
}

StatusCode DataSvc::retrieveObject	(	DataObject *	parentObj,
		const std::string &	objPath,
		DataObject *&	pObject
	)			[virtual]

Retrieve object from data store.

Definition at line 901 of file DataSvc.cpp.

                                                          {
  IRegistry* pRegistry = (0==parentObj) ? 0 : parentObj->registry();
  return retrieveObject(pRegistry, path, pObject);
}

StatusCode DataSvc::retrieveObject	(	DataObject *	parentObj,
		int	item,
		DataObject *&	pObject
	)			[virtual]

Retrieve object from data store.

Retrieve registry entry from store.

Definition at line 909 of file DataSvc.cpp.

                                                          {
  char buffer[32] = "/";
  ::_itoa(item,&buffer[1],10);
  return retrieveObject(parentObj, buffer, pObject);
}

StatusCode DataSvc::findObject	(	const std::string &	fullPath,
		DataObject *&	pObject
	)			[virtual]

Find object identified by its full path in the data store.

Definition at line 937 of file DataSvc.cpp.

                                                       {
  pObject = 0;
  if ( checkRoot() )  {
    if ( path.length() == 0 || path == m_rootName )   {
      pObject = m_root->object();
      return (0 == pObject) ? OBJ_NOT_LOADED : IDataProviderSvc_NO_ERROR;
    }
    else if ( path[0] != SEPARATOR )    {
      return findObject(m_rootName, path, pObject);
    }
    return findObject((IRegistry*)0, path, pObject);
  }
  return INVALID_ROOT;
}

StatusCode DataSvc::findObject	(	IRegistry *	pDirectory,
		const std::string &	path,
		DataObject *&	pObject
	)			[virtual]

Find object identified by its full path in the data store.

Retrieve object identified by its directory from the data store.

Definition at line 918 of file DataSvc.cpp.

                                                       {
  pObject = 0;
  IRegistry* pReg = (0==pRegistry) ? m_root : pRegistry;
  RegEntry* root_entry = CAST_REGENTRY(RegEntry*, pReg);
  if ( 0 != root_entry )    {
    if ( path.length() > 0 )  {
      pReg = root_entry->find(path);
    }
    if ( 0 == pReg )    {
      return INVALID_OBJ_PATH;
    }
    pObject = pReg->object();
  }
  return (0 == pObject) ? OBJ_NOT_LOADED : IDataProviderSvc_NO_ERROR;
}

StatusCode DataSvc::findObject	(	const std::string &	parentPath,
		const std::string &	objPath,
		DataObject *&	pObject
	)			[virtual]

Find object in the data store.

Retrieve object identified by its full path from the data store.

Definition at line 954 of file DataSvc.cpp.

                                                       {
  DataObject* parent = 0;
  StatusCode status = findObject(parentPath, parent);
  if ( status.isSuccess() )   {
    status = findObject (parent, objectPath, pObject);
  }
  return status;
}

StatusCode DataSvc::findObject	(	const std::string &	parentPath,
		int	item,
		DataObject *&	pObject
	)			[virtual]

Find object in the data store.

Retrieve object identified by its full path from the data store.

Definition at line 966 of file DataSvc.cpp.

                                                                 {
  char buffer[32] = "/";
  ::_itoa(item,&buffer[1],10);
  return findObject(parentPath, buffer, pObject);
}

StatusCode DataSvc::findObject	(	DataObject *	parentObj,
		const std::string &	objPath,
		DataObject *&	pObject
	)			[virtual]

Find object in the data store.

Find object identified by its full path in the data store.

Definition at line 983 of file DataSvc.cpp.

                                                        {
  IRegistry* pDir = (0==parentObj) ? 0 : parentObj->registry();
  return findObject(pDir, path, pObject);
}

StatusCode DataSvc::findObject	(	DataObject *	parentObj,
		int	item,
		DataObject *&	pObject
	)			[virtual]

Find object in the data store.

Find object identified by its full path in the data store.

Definition at line 974 of file DataSvc.cpp.

                                                        {
  char buffer[32] = "/";
  ::_itoa(item,&buffer[1],10);
  return findObject(parentObj, buffer, pObject);
}

StatusCode DataSvc::linkObject	(	IRegistry *	from,
		const std::string &	objPath,
		DataObject *	to
	)			[virtual]

Add a link to another object.

Definition at line 1088 of file DataSvc.cpp.

                                                                         {
  if ( checkRoot() )  {
    try   {
      RegEntry* from_entry = CAST_REGENTRY(RegEntry*,from);
      if ( 0 != from_entry )    {
        // First check if both objects are already registered to the store
        RegEntry* to_entry   = m_root->findLeaf(to);
        if ( 0 == to_entry )   {
          return INVALID_OBJECT;
        }
        else  {
          std::string::size_type sep = objPath.rfind(SEPARATOR);
          if ( sep > 0 && sep != std::string::npos )    {   // in case the objPath is a sub-directory itself
            DataObject* pO = 0;
            std::string fromPath(objPath, 0, sep);
            StatusCode sc = retrieveObject(from, fromPath, pO);
            if ( sc.isSuccess() )    {
              std::string toPath(objPath, sep, objPath.length());
              sc = linkObject(pO->registry(), toPath, to);
            }
            return sc;
          }
          // Now register the soft link
          StatusCode status = from_entry->add( objPath, to, true);
          return status.isSuccess() ?
            IDataProviderSvc_NO_ERROR : DOUBL_OBJ_PATH;
        }
      }
    }
    catch (...) {
    }
    return INVALID_PARENT;
  }
  return INVALID_ROOT;
}

StatusCode DataSvc::linkObject	(	const std::string &	fromPath,
		const std::string &	objPath,
		DataObject *	to
	)			[virtual]

Add a link to another object.

Definition at line 1141 of file DataSvc.cpp.

                                                  {
  DataObject* pO = 0;
  StatusCode status = retrieveObject(from, pO);
  if ( status.isSuccess() )   {
    return linkObject(pO->registry(), objPath, to);
  }
  return status;
}

StatusCode DataSvc::linkObject	(	DataObject *	from,
		const std::string &	objPath,
		DataObject *	to
	)			[virtual]

Add a link to another object.

Definition at line 1153 of file DataSvc.cpp.

                                                  {
  if ( 0 != from )    {
    IRegistry* from_entry = from->registry();
    if ( 0 != from_entry )   {
      return linkObject( from_entry, objPath, to);
    }
  }
  return INVALID_PARENT;
}

StatusCode DataSvc::linkObject	(	const std::string &	fullPath,
		DataObject *	to
	)			[virtual]

Add a link to another object.

Definition at line 1126 of file DataSvc.cpp.

                                                  {
  if ( fullPath.length() > 0 )    {
    if ( fullPath[0] != SEPARATOR )   {
      return linkObject(m_rootName, fullPath, to);
    }
    std::string::size_type sep = fullPath.rfind(SEPARATOR);
    std::string objPath(fullPath, sep, fullPath.length());
    std::string fromPath(fullPath, 0, sep);
    return linkObject( fromPath, objPath, to);
  }
  return INVALID_OBJ_PATH;
}

StatusCode DataSvc::unlinkObject	(	IRegistry *	from,
		const std::string &	objPath
	)			[virtual]

Remove a link to another object.

Definition at line 1166 of file DataSvc.cpp.

                                                              {
  if ( checkRoot() )  {
    try   {
      RegEntry* from_entry = CAST_REGENTRY(RegEntry*,from);
      if ( 0 != from_entry )    {
        std::string::size_type sep = objPath.rfind(SEPARATOR);
        if ( sep > 0 && sep != std::string::npos )    {  // in case the objPath is a sub-directory itself
          DataObject* pO = 0;
          std::string fromPath(objPath, 0, sep);
          StatusCode sc = findObject(from, fromPath, pO);
          if ( sc.isSuccess() )    {
            std::string toPath(objPath, sep, objPath.length());
            sc = unlinkObject(pO->registry(), toPath);
          }
          return sc;
        }
        StatusCode status = from_entry->remove( objPath );
        if ( status.isSuccess() )     {
          return status;
        }
        return INVALID_OBJ_PATH;
      }
    }
    catch (...)   {
    }
    return INVALID_PARENT;
  }
  return INVALID_ROOT;
}

StatusCode DataSvc::unlinkObject	(	const std::string &	fromPath,
		const std::string &	objPath
	)			[virtual]

Remove a link to another object.

Definition at line 1212 of file DataSvc.cpp.

                                                              {
  DataObject* pObject = 0;
  StatusCode status = findObject(from, pObject);
  if ( status.isSuccess() )   {
    status = unlinkObject(pObject->registry(), objPath);
  }
  return status;
}

StatusCode DataSvc::unlinkObject	(	DataObject *	fromObj,
		const std::string &	objPath
	)			[virtual]

Remove a link to another object.

Definition at line 1223 of file DataSvc.cpp.

                                                              {
  if ( checkRoot() )  {
    IRegistry* from_entry = m_root->findLeaf(from);
    return unlinkObject(from_entry, objPath);
  }
  return INVALID_ROOT;
}

StatusCode DataSvc::unlinkObject

(

const std::string &

fullPath

)

[virtual]

Remove a link to another object.

Definition at line 1198 of file DataSvc.cpp.

                                                             {
  if ( fullPath.length() > 0 )    {
    if ( fullPath[0] != SEPARATOR )   {
      return unlinkObject(m_rootName, fullPath);
    }
    std::string::size_type sep = fullPath.rfind(SEPARATOR);
    std::string objPath(fullPath, sep, fullPath.length());
    std::string fromPath(fullPath, 0, sep);
    return unlinkObject(fromPath, objPath);
  }
  return INVALID_OBJ_PATH;
}

StatusCode DataSvc::updateObject

(

IRegistry *

pDirectory

)

[virtual]

Update object identified by its directory entry.

Update object.

Definition at line 1001 of file DataSvc.cpp.

                                                        {
  if ( 0 == pRegistry )  {                     // Precondition:
    return INVALID_OBJ_ADDR;                   // Addres must be valid
  }
  DataObject* toUpdate = pRegistry->object();
  if ( 0 == toUpdate )  {                      // Try first to load
    return loadObject(pRegistry);
  }
  return updateObject(toUpdate);
}

StatusCode DataSvc::updateObject

(

const std::string &

updatePath

)

[virtual]

Update object.

Definition at line 991 of file DataSvc.cpp.

                                                              {
  DataObject* pO = 0;
  StatusCode status = findObject(updatePath, pO);
  if ( status.isSuccess() )   {
    return updateObject(pO);
  }
  return retrieveObject(updatePath, pO);
}

StatusCode DataSvc::updateObject

(

DataObject *

toUpdate

)

[virtual]

Update object.

Reimplemented in DetDataSvc.

Definition at line 1013 of file DataSvc.cpp.

                                                        {
  StatusCode status = INVALID_OBJ_ADDR;
  if ( 0 == toUpdate )  {                          // Precondition:
    return INVALID_OBJECT;                         // Address must be valid
  }
  IRegistry* pRegistry = toUpdate->registry();     // Precondition:
  if ( 0 == pRegistry )    {                       // Need valid registry
    return INVALID_OBJECT;
  }
  IOpaqueAddress* pAddress = pRegistry->address(); // Precondition:
  if ( 0 == pAddress )    {                        // Need valid address
    return INVALID_OBJ_ADDR;
  }
  IConversionSvc* pLoader = getDataLoader(pRegistry);
  if ( 0 == pLoader )   {                      // Precondition:
    return NO_DATA_LOADER;                     // Data loader must be present
  }
  if ( m_inhibitPathes.size() > 0 )   {
    const std::string& ident = pRegistry->identifier();
    std::vector<std::string>::iterator inhibit =
      std::find(m_inhibitPathes.begin(), m_inhibitPathes.end(), ident);
    if ( inhibit != m_inhibitPathes.end() )   {
      return NO_ACCESS;
    }
  }
  try   {
    status = pLoader->updateObj(pAddress, toUpdate);  // Call data loader
    if ( status.isSuccess() )   {
      status = pLoader->updateObjRefs(pAddress, toUpdate);
    }
  }
  catch( const GaudiException& exc ) {
    throw GaudiException("GaudiException in updateObject() " +
                         pRegistry->name(),
                         name(),
                         StatusCode::FAILURE, exc);
  }
  catch( const std::exception& x) {
    throw GaudiException("std::exception in updateObject() " +
                         pRegistry->name() + ": " +
                         System::typeinfoName(typeid(x)) + ", " +
                         x.what(),
                         name(), StatusCode::FAILURE);
  }
  catch(...) {
    throw GaudiException("UNKN exception in updateObject() " +
                         pRegistry->name(),
      name(), StatusCode::FAILURE);
  }
  return status;
}

StatusCode DataSvc::updateObject	(	const std::string &	parentPath,
		const std::string &	updatePath
	)			[virtual]

Update object.

Definition at line 1066 of file DataSvc.cpp.

                                                                 {
  DataObject* pParent = 0;
  StatusCode status = findObject(parentPath, pParent);
  if ( status.isSuccess() )   {
    status = updateObject( pParent, updatePath);
  }
  return status;
}

StatusCode DataSvc::updateObject	(	DataObject *	pParent,
		const std::string &	updatePath
	)			[virtual]

Update object.

Definition at line 1077 of file DataSvc.cpp.

                                                                {
  DataObject* pObject = 0;
  StatusCode status = findObject(parent, updatePath, pObject);
  if ( status.isSuccess() )   {
    status = updateObject(pObject);
  }
  return status;
}

StatusCode DataSvc::initialize

(

)

[virtual]

Service initialization.

Reimplemented from Service.

Reimplemented in AIDATupleSvc, EvtDataSvc, RecordDataSvc, DetDataSvc, FastContainersSvc, HistogramSvc, NTupleSvc, and TagCollectionSvc.

Definition at line 1299 of file DataSvc.cpp.

                                  {
  // Nothing to do: just call base class initialisation
  StatusCode sc = Service::initialize();
  if ( !sc.isSuccess() )  {
    return sc;
  }
  sc = service("IncidentSvc", m_incidentSvc, true);
  if ( !sc.isSuccess() )  {
    MsgStream log(msgSvc(), name());
    log << MSG::ERROR << "Failed to access incident service." << endmsg;
  }
  return sc;
}

StatusCode DataSvc::reinitialize

(

)

[virtual]

Service initialization.

Service reinitialization.

Reimplemented from Service.

Reimplemented in AIDATupleSvc, EvtDataSvc, RecordDataSvc, DetDataSvc, FastContainersSvc, HistogramSvc, and NTupleSvc.

Definition at line 1314 of file DataSvc.cpp.

                                    {
  StatusCode sc;
  // the finalize part is copied here
  setDataLoader(0).ignore();
  resetPreLoad().ignore();
  clearStore().ignore();
  if ( m_incidentSvc )  {
    m_incidentSvc->release();
    m_incidentSvc = 0;
  }
  // re-initialize the base class
  sc = Service::reinitialize();
  if (!sc.isSuccess()) {
    MsgStream log(msgSvc(), name());
    log << MSG::ERROR << "Unable to reinitialize base class" << endmsg;
    return sc;
  }
  // the initialize part is copied here
  sc = service("IncidentSvc", m_incidentSvc, true);
  if ( !sc.isSuccess() )  {
    MsgStream log(msgSvc(), name());
    log << MSG::ERROR << "Failed to access incident service." << endmsg;
    return sc;
  }
  // return
  return StatusCode::SUCCESS;
}

StatusCode DataSvc::finalize

(

void

)

[virtual]

Service initialization.

Service initialisation.

Reimplemented from Service.

Reimplemented in AIDATupleSvc, EvtDataSvc, RecordDataSvc, DetDataSvc, FastContainersSvc, HistogramSvc, NTupleSvc, and TagCollectionSvc.

Definition at line 1343 of file DataSvc.cpp.

                                {
  // Nothing to do: just call base class initialisation
  setDataLoader(0).ignore();
  resetPreLoad().ignore();
  clearStore().ignore();
  if ( m_incidentSvc )  {
    m_incidentSvc->release();
    m_incidentSvc = 0;
  }
  return Service::finalize();
}

DataSvc& DataSvc::operator=

(

const DataSvc &

)

[private]

Fake assignment operator (never implemented).

bool DataSvc::checkRoot

(

)

[inline, protected]

Check if root path is valid.

Definition at line 390 of file DataSvc.h.

                      {
    return 0 != m_root;
  }

IConversionSvc * DataSvc::getDataLoader

(

IRegistry *

pReg

)

[protected, virtual]

Retrieve customizable data loader according to registry entry to be retrieved.

Retrieve customizable data loader according to registry entry to be retrieved.

Reimplemented in NTupleSvc.

Definition at line 1373 of file DataSvc.cpp.

                                                              {
  return m_dataLoader;
}

DataObject * DataSvc::createDefaultObject

(

)

const [protected, virtual]

Create default objects in case forced creation of leaves is requested.

Definition at line 1366 of file DataSvc.cpp.

                                                    {
  return new DataObject();
}

StatusCode DataSvc::loadObject

(

IRegistry *

pNode

)

[protected, virtual]

Invoke Persistency service to create transient object from its persistent representation.

Definition at line 671 of file DataSvc.cpp.

                                                     {
  IConversionSvc* pLoader = getDataLoader(pRegistry);
  return loadObject(pLoader, pRegistry);
}

StatusCode DataSvc::loadObject	(	IConversionSvc *	pLoader,
		IRegistry *	pNode
	)			[protected, virtual]

Invoke Persistency service to create transient object from its persistent representation.

Definition at line 679 of file DataSvc.cpp.

                                                                            {
  StatusCode status = INVALID_OBJ_ADDR;
  DataObject* pObject = 0;
  if ( 0 == pLoader )   {         // Precondition: Data loader must be present
    if (handleDataFault(pRegistry) != 0) return  SUCCESS;
    else                                 return  NO_DATA_LOADER;
  }
  if ( 0 == pRegistry )    {      // Precondition: Directory must be valid
    if (handleDataFault(pRegistry) != 0) return  SUCCESS;
    else                                 return  INVALID_OBJ_ADDR;
  }

  MsgStream log( msgSvc(), name() );
  log << MSG::VERBOSE << "Requested object " << pRegistry->identifier() << endmsg;

  if ( m_enableAccessHdlr )  {
    // Fire data access incident
    DataIncident incident(name(), m_accessName, pRegistry->identifier());
    m_incidentSvc->fireIncident(incident);
  }
  if ( m_inhibitPathes.size() > 0 )   {
    const std::string& ident = pRegistry->identifier();
    std::vector<std::string>::iterator inhibit =
      std::find(m_inhibitPathes.begin(), m_inhibitPathes.end(), ident);
    if ( inhibit != m_inhibitPathes.end() )   {
      return NO_ACCESS;
    }
  }
  IOpaqueAddress* pAddress = pRegistry->address();
  if ( 0 == pAddress )  {         // Precondition:
    return INVALID_OBJ_ADDR;      // Address must be valid
  }
  try   {
    status = pLoader->createObj(pAddress, pObject);  // Call data loader
    if ( status.isSuccess() )    {

      log << MSG::VERBOSE << "Object " << pRegistry->identifier() << " created" << endmsg;

      RegEntry *pEntry = CAST_REGENTRY(RegEntry*,pRegistry);
      pEntry->setObject(pObject);

      log << MSG::VERBOSE << "Filling object " << pRegistry->identifier() << endmsg;
      status = pLoader->fillObjRefs(pAddress, pObject);
    }
  }
  catch( const GaudiException& exc ) {
    if ( handleDataFault(pRegistry) != 0 )  {
      return SUCCESS;
    }
    throw GaudiException("GaudiException in loadObject() " + pRegistry->identifier(),
        name(), StatusCode::FAILURE, exc);
  }
  catch( const std::exception& x) {
    if ( handleDataFault(pRegistry) != 0 )  {
      return SUCCESS;
    }
    throw GaudiException("std::exception in loadObject() " + pRegistry->identifier() +
        ": " + System::typeinfoName(typeid(x)) + ", " + x.what(),
      name(), StatusCode::FAILURE);
  }
  catch(...) {
    if ( handleDataFault(pRegistry) != 0 )  {
      return SUCCESS;
    }
    throw GaudiException("UNKN exception in loadObject() " + pRegistry->identifier(),
      name(), StatusCode::FAILURE);
  }
  if ( !status.isSuccess() )  {
    if ( handleDataFault(pRegistry) != 0 )  {
      return StatusCode::SUCCESS;
    }
  }
  if ( status.isSuccess() ) {
    log << MSG::VERBOSE << "Object " << pRegistry->identifier() << " successfully loaded" << endmsg;
  }
  return status;
}

StatusCode DataSvc::retrieveEntry	(	DataSvcHelpers::RegistryEntry *	pNode,
		const std::string &	path,
		DataSvcHelpers::RegistryEntry *&	pEntry
	)			[protected]

Retrieve registry entry from store.

Definition at line 758 of file DataSvc.cpp.

                                                      {
  std::string::size_type        sep    = path.find(SEPARATOR,1);
  StatusCode status = StatusCode(INVALID_ROOT,true);
  pEntry = 0;
  // A.Valassi 16.08.2001 avoid core dump if store is empty
  if ( checkRoot() )  {
    if ( 0 == parentObj )    {
      if ( path.length() == 0 || path == m_rootName )   {
        return retrieveEntry(m_root, "", pEntry);
      }
      else if ( path[0] != SEPARATOR )  {
        return retrieveEntry(m_root, path, pEntry);
      }
      else if ( sep != std::string::npos )    {
        if ( m_root->object() == 0 )  {
          RegEntry* r = 0;
          status = retrieveEntry(m_root, "", r);
          if ( !status.isSuccess() )  {
            return status;
          }
        }
        std::string o_path (path, sep, path.length());
        return retrieveEntry(m_root, o_path, pEntry);
      }
      return INVALID_OBJ_PATH;
    }
    if ( sep != std::string::npos )  { // the string contains a separator (after pos 0)
      std::string p_path (path,0,sep);
      std::string o_path (path,sep,path.length());
      if (!parentObj->object()) { // if the parent object has not been loaded yet, load it now
        status = loadObject(parentObj);
        if ( !status.isSuccess() )  {
          return status;
        }
      }
      RegEntry* root_entry = parentObj->findLeaf(p_path);
      if ( !root_entry && m_enableFaultHdlr )    {
        // If not even the parent is there, an incident
        // to load the parent must be fired...
        handleDataFault(parentObj, p_path);
        root_entry = parentObj->findLeaf(p_path);
      }
      if ( root_entry )    {
        DataObject* pO = root_entry->object();
        if ( 0 == pO )  {
          // Object is not loaded: load the object if at all possible
          status = loadObject(root_entry);
          if ( !status.isSuccess() )  {
            return status;
          }
        }
        if ( root_entry->isSoft() )    {
          root_entry = CAST_REGENTRY(RegEntry*,pO->registry());
        }
        return retrieveEntry (root_entry, o_path, pEntry);
      }
      return status;
    }
    else if ( path.length() == 0 )    {
      pEntry = parentObj;
    }
    else {
      if (!parentObj->object()) { // if the parent object has not been loaded yet, load it now
        status = loadObject(parentObj);
        if ( !status.isSuccess() )  {
          return status;
        }
      }
      // last leave in search: find leaf and load
      pEntry = parentObj->findLeaf(path);
      // If no registry entry was found, trigger incident for action-on-demand
      if ( !pEntry && m_enableFaultHdlr )  {
        handleDataFault(parentObj, path);
        pEntry = (0==path.length()) ? parentObj : parentObj->findLeaf(path);
      }
    }
    // Check results and return
    if ( 0 == pEntry )  {
      status = INVALID_OBJ_PATH;
    }
    else if ( 0 == pEntry->object() )  {
      status = loadObject(pEntry);
    }
    else if ( m_enableAccessHdlr )  {
      // Fire data access incident
      // I do not know if this is a good idea....
      // This fires too often!
      //
      //DataIncident incident(name(), m_accessName, pEntry->identifier());
      //m_incidentSvc->fireIncident(incident);
      status = SUCCESS;
    }
    else  {
      status = SUCCESS;
    }
  }
  return status;
}

DataObject * DataSvc::handleDataFault	(	IRegistry *	pReg,
		const std::string &	path = ""
	)			[protected]

Invoke data fault handling if enabled.

Parameters:

	pReg	[IN] Pointer to missing registry entry
	path	[IN] Sub-path of requested object from pReg

Returns:

Object corresponding to the specified leaf

Definition at line 636 of file DataSvc.cpp.

{
  if ( m_enableFaultHdlr )  {
    IRegistry* pLeaf = 0;
    if ( pReg && path.length() == 0 )   {
      DataIncident incident(name(), m_faultName, pReg->identifier());
      m_incidentSvc->fireIncident(incident);
      return pReg->object();
    }
    else if ( pReg )  {
      std::string p = pReg->identifier();
      if (path[0] != SEPARATOR ) p += SEPARATOR;
      p += path;
      DataIncident incident(name(), m_faultName, p);
      m_incidentSvc->fireIncident(incident);
      pLeaf = m_root->findLeaf(p);
    }
    else  {
      std::string p = m_root->identifier();
      if (path[0] != SEPARATOR ) p += SEPARATOR;
      p += path;
      DataIncident incident(name(), m_faultName, p);
      m_incidentSvc->fireIncident(incident);
      pLeaf = m_root->findLeaf(p);
    }
    if ( pLeaf )  {
      return pLeaf->object();
    }
  }
  return 0;
}

---

Friends And Related Function Documentation

friend class SvcFactory< DataSvc > [friend]

The class creator is of course a friend!

Definition at line 45 of file DataSvc.h.

---

Member Data Documentation

CLID DataSvc::m_rootCLID [protected]

Integer Property corresponding to CLID of root entry.

Definition at line 53 of file DataSvc.h.

std::string DataSvc::m_rootName [protected]

Name of root event.

Definition at line 55 of file DataSvc.h.

IConversionSvc* DataSvc::m_dataLoader [protected]

Pointer to data loader service.

Definition at line 57 of file DataSvc.h.

IIncidentSvc* DataSvc::m_incidentSvc [protected]

Pointer to incident service.

Definition at line 59 of file DataSvc.h.

LoadItems DataSvc::m_preLoads [protected]

Items to be pre-loaded.

Definition at line 61 of file DataSvc.h.

bool DataSvc::m_forceLeaves [protected]

Allow forced creation of default leaves on registerObject.

Definition at line 63 of file DataSvc.h.

bool DataSvc::m_enableAccessHdlr [protected]

Flag to enable interrupts on data access requests.

Definition at line 65 of file DataSvc.h.

bool DataSvc::m_enableFaultHdlr [protected]

Flag to enable interrupts on data creation requests.

Definition at line 67 of file DataSvc.h.

DataSvcHelpers::RegistryEntry* DataSvc::m_root [protected]

Pointer to root entry.

Definition at line 69 of file DataSvc.h.

DataSvcHelpers::InhibitMap* DataSvc::m_inhibitMap [protected]

Map with object paths to be inhibited from loading.

Definition at line 71 of file DataSvc.h.

std::vector<std::string> DataSvc::m_inhibitPathes [protected]

Property for the inhibited leaves.

Definition at line 73 of file DataSvc.h.

std::string DataSvc::m_accessName [protected]

Name of the data access incident.

Definition at line 75 of file DataSvc.h.

std::string DataSvc::m_faultName [protected]

Name of the data fault incident.

Definition at line 77 of file DataSvc.h.

---

The documentation for this class was generated from the following files:

• /afs/cern.ch/sw/Gaudi/releases/GAUDI/GAUDI_v21r9/GaudiKernel/GaudiKernel/DataSvc.h
• /afs/cern.ch/sw/Gaudi/releases/GAUDI/GAUDI_v21r9/GaudiKernel/src/Lib/DataSvc.cpp