ToolHandle< T > Class Template Reference

Handle to be used in lieu of naked pointers to tools. More...

#include <GaudiKernel/ToolHandle.h>

Inheritance diagram for ToolHandle< T >:

Collaboration diagram for ToolHandle< T >:

Public Member Functions
	ToolHandle (const IInterface *parent=0, bool createIf=true)
	Constructor for a tool with default tool type and name. More...
	ToolHandle (const std::string &toolTypeAndName, const IInterface *parent=0, bool createIf=true)
	Create a handle ('smart pointer') to a tool. More...
StatusCode	retrieve () const
	Retrieve the AlgTool. More...
StatusCode	release () const
	Release the AlgTool. More...
virtual StatusCode	retrieve (T *&algTool) const
	Do the real retrieval of the AlgTool. More...
virtual StatusCode	release (T *algTool) const
	Do the real release of the AlgTool. More...
Public Member Functions inherited from ToolHandleInfo
virtual	~ToolHandleInfo ()
bool	isPublic () const
bool	createIf () const
const IInterface *	parent () const
const std::string	toolComponentType (const IInterface *parent) const
const std::string	toolParentName (const IInterface *parent) const
Public Member Functions inherited from GaudiHandle< T >
	GaudiHandle (const GaudiHandle &other)
	Copy constructor needed for correct ref-counting. More...
GaudiHandle &	operator= (const GaudiHandle &other)
	Assignment operator for correct ref-counting. More...
StatusCode	retrieve () const
	Retrieve the component. More...
StatusCode	release () const
	Release the component. More...
	operator bool () const
	For testing if handle has component. More...
T &	operator* ()
T *	operator-> ()
T &	operator* () const
T *	operator-> () const
std::string	getDefaultType ()
	Helper function to get default type string from the class type. More...
std::string	getDefaultName ()
Public Member Functions inherited from GaudiHandleBase
std::string	typeAndName () const
	The full type and name: "type/name". More...
std::string	type () const
	The concrete component class name: the part before the '/'. More...
std::string	name () const
	The instance name: the part after the '/'. More...
bool	empty () const
	Check if the handle has been set to empty string (i.e. More...
void	setTypeAndName (const std::string &myTypeAndName)
	The component "type/name" string. More...
void	setName (const std::string &myName)
	Set the instance name (part after the '/') without changing the class type. More...
const std::string	pythonPropertyClassName () const
	Name of the componentType with "Handle" appended. More...
const std::string	messageName () const
	name used for printing messages More...
virtual const std::string	pythonRepr () const
	Python representation of handle, i.e. More...
Public Member Functions inherited from GaudiHandleInfo
virtual	~GaudiHandleInfo ()
	virtual destructor so that derived class destructor is called. More...
const std::string &	componentType () const
const std::string &	propertyName () const
	name as used in declareProperty(name,gaudiHandle) More...
void	setPropertyName (const std::string &propName)
	set name as used in declareProperty(name,gaudiHandle). More...
const std::string &	parentName () const
	The name of the parent. More...

Private Attributes
ServiceHandle< IToolSvc >	m_pToolSvc

Additional Inherited Members
Protected Member Functions inherited from ToolHandleInfo
	ToolHandleInfo (const IInterface *parent=0, bool createIf=true)
Protected Member Functions inherited from GaudiHandle< T >
	GaudiHandle (const std::string &myTypeAndName, const std::string &myComponentType, const std::string &myParentName)
Protected Member Functions inherited from GaudiHandleBase
	GaudiHandleBase (const std::string &myTypeAndName, const std::string &myComponentType, const std::string &myParentName)
	Create a handle ('smart pointer') to a gaudi component. More...
Protected Member Functions inherited from GaudiHandleInfo
	GaudiHandleInfo (const std::string &myComponentType, const std::string &myParentName)
	Some basic information and helper functions shared between various handles/arrays. More...

Detailed Description

template<class T>
class ToolHandle< T >

Handle to be used in lieu of naked pointers to tools.

This allows better control through the framework of tool loading and usage. T is the AlgTool interface class (or concrete class) of the tool to use, and must derive from IAlgTool.

Author

Wim Lavrijsen WLavr.nosp@m.ijse.nosp@m.n@lbl.nosp@m..gov

Marti.nosp@m.n.Wo.nosp@m.udstr.nosp@m.a@ce.nosp@m.rn.ch

Definition at line 24 of file PropertyMgr.h.

Constructor & Destructor Documentation

template<class T>

ToolHandle< T >::ToolHandle ( const IInterface *  parent = 0, bool  createIf = true  )

inline

Constructor for a tool with default tool type and name.

Can be called only if the type T is a concrete tool type (not an interface), and you want to use the default name.

Definition at line 88 of file ToolHandle.h.

    : ToolHandleInfo(parent,createIf),
      GaudiHandle<T>( GaudiHandle<T>::getDefaultType(),
              ToolHandleInfo::toolComponentType(parent),
              ToolHandleInfo::toolParentName(parent) ),
      m_pToolSvc( "ToolSvc", GaudiHandleBase::parentName() )
  {}

template<class T>

ToolHandle< T >::ToolHandle ( const std::string &  toolTypeAndName, const IInterface *  parent = 0, bool  createIf = true  )

inline

Create a handle ('smart pointer') to a tool.

The arguments are passed on to ToolSvc, and have the same meaning:

StatusCode ToolSvc::retrieveTool ( const std::string& type            ,
                                   T*&                tool            ,
             const IInterface*  parent   = 0    ,
             bool               createIf = true )

Parameters

toolType	"MyToolType/MyToolName" "MyToolType" is short for "MyToolType/MyToolType" 'MyToolType' is the name of the class of the concrete tool 'MyToolName' is to distinguish several tool instances of the same class
parent	the parent Algorithm,Tool or Service of which this tool is a member. If non-zero, the the tool is a private tool of the parent, otherwise it is a public (shared) tool.
createIf	if true, create tool if not yet existing.

Definition at line 113 of file ToolHandle.h.

    : ToolHandleInfo(parent,createIf),
      GaudiHandle<T>( toolTypeAndName,
              ToolHandleInfo::toolComponentType(parent),
              ToolHandleInfo::toolParentName(parent) ),
      m_pToolSvc( "ToolSvc", GaudiHandleBase::parentName() )
  {}

Member Function Documentation

template<class T>

StatusCode ToolHandle< T >::release ( ) const

inline

Release the AlgTool.

Function must be repeated here to avoid hiding the function release( T*& )

Definition at line 129 of file ToolHandle.h.

                             { // not really const, because it updates m_pObject
    return GaudiHandle<T>::release();
  }

template<class T>

virtual StatusCode ToolHandle< T >::release ( T *  algTool ) const

inlinevirtual

Do the real release of the AlgTool.

Reimplemented from GaudiHandle< T >.

Definition at line 141 of file ToolHandle.h.

                                                 {
    return m_pToolSvc->releaseTool( algTool );
  }

template<class T>

StatusCode ToolHandle< T >::retrieve ( ) const

inline

Retrieve the AlgTool.

Release existing tool if needed. Function must be repeated here to avoid hiding the function retrieve( T*& )

Definition at line 123 of file ToolHandle.h.

                              { // not really const, because it updates m_pObject
    return GaudiHandle<T>::retrieve();
  }

template<class T>

virtual StatusCode ToolHandle< T >::retrieve ( T *&  algTool ) const

inlinevirtual

Do the real retrieval of the AlgTool.

Implements GaudiHandle< T >.

Definition at line 134 of file ToolHandle.h.

                                                   {
    return m_pToolSvc->retrieve( GaudiHandleBase::typeAndName(), T::interfaceID(),
                 (IAlgTool*&)(algTool),
                 ToolHandleInfo::parent(), ToolHandleInfo::createIf() );
  }

Member Data Documentation

template<class T>

ServiceHandle<IToolSvc> ToolHandle< T >::m_pToolSvc

mutableprivate

Definition at line 149 of file ToolHandle.h.

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

• GaudiKernel/GaudiKernel/PropertyMgr.h
• GaudiKernel/GaudiKernel/ToolHandle.h