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EvtCollectionStream.cpp
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1 // ====================================================================
2 // EvtCollectionStream.cpp
3 // --------------------------------------------------------------------
4 //
5 // Package : GaudiSvc/PersistencySvc
6 //
7 // Author : Markus Frank
8 //
9 // ====================================================================
10 #define GAUDISVC_PERSISTENCYSVC_EVTCOLLECTIONSTREAM_CPP
11
12 // Framework include files
13 #include "GaudiKernel/MsgStream.h"
14 #include "GaudiKernel/INTupleSvc.h"
15 #include "GaudiKernel/IDataProviderSvc.h"
16
17 #include "GaudiKernel/DataStoreItem.h"
18 #include "EvtCollectionStream.h"
19
20 // Define the algorithm factory for the standard output data writer
21 DECLARE_COMPONENT(EvtCollectionStream)
22
23 // initialize data writer
24 StatusCode EvtCollectionStream::initialize() {
25 // Use the Job options service to set the Algorithm's parameters
26 setProperties();
27 // Get access to the DataManagerSvc
28 m_pTupleSvc = serviceLocator()->service(m_storeName);
29 if( !m_pTupleSvc ) {
30 fatal() << "Unable to locate IDataManagerSvc interface" << endmsg;
31 return StatusCode::FAILURE;
32 }
33 // Clear the item list
34 clearItems();
35 // Take the new item list from the properties.
36 for(const auto& i : m_itemNames) addItem( i );
37 info() << "Data source: " << m_storeName.value() << endmsg;
38 return StatusCode::SUCCESS;
39 }
40
41 // terminate data writer
42 StatusCode EvtCollectionStream::finalize() {
43 m_pTupleSvc = nullptr; // release
44 clearItems();
45 return StatusCode::SUCCESS;
46 }
47
48 // Work entry point
49 StatusCode EvtCollectionStream::execute() {
50 StatusCode status = (m_pTupleSvc) ? StatusCode::SUCCESS : StatusCode::FAILURE;
51 if ( status.isSuccess() ) {
52 for ( const auto& i : m_itemList) {
53 StatusCode iret = m_pTupleSvc->writeRecord(i->path());
54 if ( !iret.isSuccess() ) status = iret;
55 }
56 }
57 return status;
58 }
59
60 // Remove all items from the output streamer list;
61 void EvtCollectionStream::clearItems() {
62 m_itemList.clear();
63 }
64
65 // Add item to output streamer list
66 void EvtCollectionStream::addItem(const std::string& descriptor) {
67 auto sep = descriptor.rfind("#");
68 int level = 0;
69 std::string obj_path = descriptor.substr(0,sep);
70 if ( sep != std::string::npos ) {
71 std::string slevel = descriptor.substr(sep+1) ;
72 if ( slevel == "*" ) {
73 level = 9999999;
74 }
75 else {
76 level = std::stoi(slevel);
77 }
78 }
79 m_itemList.emplace_back( new DataStoreItem(obj_path, level) );
80 const auto& item = m_itemList.back();
81 info() << "Adding OutputStream item " << item->path()
82 << " with " << item->depth()
83 << " level(s)." << endmsg;
84 }
StatusCode::SUCCESS
Definition: StatusCode.h:30
StatusCode::FAILURE
Definition: StatusCode.h:29
MsgStream.h
CommonMessagingBase::info
MsgStream & info() const
shortcut for the method msgStream(MSG::INFO)
Definition: CommonMessaging.h:123
EvtCollectionStream::m_pTupleSvc
SmartIF< INTupleSvc > m_pTupleSvc
Reference to Tuple service for event collection (may or may not be NTuple service) ...
Definition: EvtCollectionStream.h:33
StatusCode::isSuccess
bool isSuccess() const
Test for a status code of SUCCESS.
Definition: StatusCode.h:74
std::string::rfind
T rfind(T...args)
DataStoreItem
Description of the DataStoreItem class.
Definition: DataStoreItem.h:17
DECLARE_COMPONENT
#define DECLARE_COMPONENT(type)
Definition: PluginService.h:36
std::string
STL class.
DataStoreItem.h
IDataProviderSvc.h
StatusCode
This class is used for returning status codes from appropriate routines.
Definition: StatusCode.h:26
INTupleSvc::writeRecord
virtual StatusCode writeRecord(NTuple::Tuple *tuple)=0
Write single record to N tuple.
EvtCollectionStream::m_itemList
std::vector< std::unique_ptr< DataStoreItem > > m_itemList
Vector of items to be saved to this stream.
Definition: EvtCollectionStream.h:35
EvtCollectionStream.h
std::vector::clear
T clear(T...args)
EvtCollectionStream::clearItems
void clearItems()
Clear item list.
Definition: EvtCollectionStream.cpp:61
EvtCollectionStream::addItem
void addItem(const std::string &descriptor)
Add item to output streamer list.
Definition: EvtCollectionStream.cpp:66
EvtCollectionStream::finalize
StatusCode finalize() override
Terminate EvtCollectionStream.
Definition: EvtCollectionStream.cpp:42
std::vector::back
T back(T...args)
std::string::substr
T substr(T...args)
EvtCollectionStream::execute
StatusCode execute() override
Working entry point.
Definition: EvtCollectionStream.cpp:49
gaudirun.level
level
Definition: gaudirun.py:261
EvtCollectionStream
A small to stream Data I/O.
Definition: EvtCollectionStream.h:25
std::stoi
T stoi(T...args)
endmsg
MsgStream & endmsg(MsgStream &s)
MsgStream Modifier: endmsg. Calls the output method of the MsgStream.
Definition: MsgStream.h:244
INTupleSvc.h
std::vector::emplace_back
T emplace_back(T...args)