| The Gaudi Framework v32r1 (f65d50dc)

EventSelectorDataStream.cpp
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1 //====================================================================
2 // EventSelectorDataStream.cpp
3 //--------------------------------------------------------------------
4 //
5 // Package : EventSelectorDataStream (The LHCb Event Selector Package)
6 //
7 //
8 // Author : M.Frank
9 // Created : 4/10/00
10 // Changes : R. Lambert 2009-09-04
11 //
12 //====================================================================
13 #define GAUDISVC_EVENTSELECTOR_EVENTSELECTORDATASTREAM_CPP 1
14 // Include files
15 #include "GaudiKernel/EventSelectorDataStream.h"
16 #include "GaudiKernel/AttribStringParser.h"
17 #include "GaudiKernel/IConversionSvc.h"
18 #include "GaudiKernel/IDataManagerSvc.h"
19 #include "GaudiKernel/IPersistencySvc.h"
20 #include "GaudiKernel/IService.h"
21 #include "GaudiKernel/ISvcLocator.h"
22 #include "GaudiKernel/MsgStream.h"
23
24 // Output friend
25 MsgStream& operator<<( MsgStream& s, const EventSelectorDataStream& obj ) {
26 return s << "Stream:" << obj.name() << " Def:" << obj.definition();
27 }
28
29 // Output friend
30 std::ostream& operator<<( std::ostream& s, const EventSelectorDataStream& obj ) {
31 return s << "Stream:" << obj.name() << " Def:" << obj.definition();
32 }
33
34 // Standard Constructor
35 EventSelectorDataStream::EventSelectorDataStream( std::string nam, std::string def, ISvcLocator* svcloc )
36 : m_name{std::move( nam )}, m_definition{std::move( def )}, m_pSvcLocator( svcloc ) {}
37
38 // Set selector
39 void EventSelectorDataStream::setSelector( IEvtSelector* pSelector ) { m_pSelector = pSelector; }
40
41 // Allow access to individual properties by name
42 Gaudi::Property<std::string>* EventSelectorDataStream::property( const std::string& nam ) {
43 auto i = std::find_if( std::begin( m_properties ), std::end( m_properties ),
44 [&]( const Gaudi::Property<std::string>& j ) { return j.name() == nam; } );
45 return i != std::end( m_properties ) ? &( *i ) : nullptr;
46 }
47
48 // Allow access to individual properties by name
49 const Gaudi::Property<std::string>* EventSelectorDataStream::property( const std::string& nam ) const {
50 auto i = std::find_if( std::begin( m_properties ), std::end( m_properties ),
51 [&]( const Gaudi::Property<std::string>& j ) { return j.name() == nam; } );
52 return i != std::end( m_properties ) ? &( *i ) : nullptr;
53 }
54
55 // Parse input criteria
56 StatusCode EventSelectorDataStream::initialize() {
57 bool isData = true;
58 std::string auth, dbtyp, collsvc, item, crit, sel, svc, stmt;
59 std::string cnt = "/Event";
60 std::string db = "<Unknown>";
61
62 auto eds = m_pSvcLocator->service<IDataManagerSvc>( "EventDataSvc" );
63 if ( !eds ) {
64 std::cout << "ERROR: Unable to localize interface IDataManagerSvc from service EventDataSvc" << std::endl;
65 return StatusCode::FAILURE;
66 } else {
67 cnt = eds->rootName();
68 }
69 m_selectorType = m_criteria = m_dbName = "";
70 m_properties.clear();
71
72 using Parser = Gaudi::Utils::AttribStringParser;
73 for ( auto attrib : Parser( m_definition ) ) {
74 long hash = -1;
75 switch ( ::toupper( attrib.tag[0] ) ) {
76 case 'A':
77 auth = std::move( attrib.value );
78 break;
79 case 'C':
80 svc = "EvtTupleSvc";
81 isData = false;
82 [[fallthrough]];
83 case 'E':
84 hash = attrib.value.find( '#' );
85 if ( hash > 0 ) {
86 cnt = attrib.value.substr( 0, hash );
87 item = attrib.value.substr( hash + 1 );
88 } else {
89 cnt = std::move( attrib.value );
90 item = "Address";
91 }
92 break;
93 case 'D':
94 m_criteria = "FILE " + attrib.value;
95 m_dbName = std::move( attrib.value );
96 break;
97 case 'F':
98 switch ( ::toupper( attrib.tag[1] ) ) {
99 case 'I':
100 m_criteria = "FILE " + attrib.value;
101 m_dbName = std::move( attrib.value );
102 break;
103 case 'U':
104 stmt = std::move( attrib.value );
105 break;
106 default:
107 break;
108 }
109 break;
110 case 'J':
111 m_criteria = "JOBID " + attrib.value;
112 m_dbName = std::move( attrib.value );
113 dbtyp = "SICB";
114 break;
115 case 'T':
116 switch ( ::toupper( attrib.tag[1] ) ) {
117 case 'Y':
118 dbtyp = std::move( attrib.value );
119 break;
120 default:
121 break;
122 }
123 break;
124 case 'S':
125 switch ( ::toupper( attrib.tag[1] ) ) {
126 case 'E':
127 sel = std::move( attrib.value );
128 break;
129 case 'V':
130 svc = std::move( attrib.value );
131 collsvc = svc;
132 break;
133 default:
134 break;
135 }
136 break;
137 default:
138 m_properties.emplace_back( attrib.tag, attrib.value );
139 break;
140 }
141 }
142 if ( !isData ) { // Unfortunately options do not come in order...
143 m_selectorType = "EventCollectionSelector";
144 svc = "EvtTupleSvc";
145 } else if ( dbtyp.compare( 0, 4, "POOL" ) == 0 ) {
146 m_selectorType = "PoolDbEvtSelector";
147 } else if ( svc.empty() ) {
148 m_selectorType = "DbEvtSelector";
149 } else {
150 m_selectorType = svc;
151 }
152 StatusCode status = StatusCode::SUCCESS;
153 if ( svc.empty() && !dbtyp.empty() ) {
154 auto ipers = m_pSvcLocator->service<IPersistencySvc>( "EventPersistencySvc" );
155 if ( ipers ) {
156 IConversionSvc* icnvSvc = nullptr;
157 status = ipers->getService( dbtyp, icnvSvc );
158 if ( status.isSuccess() ) {
159 auto isvc = SmartIF<INamedInterface>{icnvSvc};
160 if ( isvc ) svc = isvc->name();
161 }
162 }
163 }
164 m_properties.emplace_back( "Function", stmt );
165 m_properties.emplace_back( "CnvService", svc );
166 m_properties.emplace_back( "Authentication", auth );
167 m_properties.emplace_back( "Container", cnt );
168 m_properties.emplace_back( "Item", item );
169 m_properties.emplace_back( "Criteria", sel );
170 m_properties.emplace_back( "DbType", dbtyp );
171 m_properties.emplace_back( "DB", m_criteria );
172 if ( !isData && !collsvc.empty() ) { m_properties.emplace_back( "DbService", collsvc ); }
173
174 m_initialized = status.isSuccess();
175 return status;
176 }
177
178 // Parse input criteria
179 StatusCode EventSelectorDataStream::finalize() {
180 setSelector( nullptr );
181 m_properties.clear();
182 m_initialized = false;
183 return StatusCode::SUCCESS;
184 }
Gaudi::Utils::AttribStringParser
Parse attribute strings allowing iteration over the various attributes.
Definition: AttribStringParser.h:30
MsgStream
Definition of the MsgStream class used to transmit messages.
Definition: MsgStream.h:24
EventSelectorDataStream::m_initialized
bool m_initialized
Initialization state.
Definition: EventSelectorDataStream.h:72
SmartIF< INamedInterface >
std::string::empty
T empty(T... args)
ISvcLocator
The ISvcLocator is the interface implemented by the Service Factory in the Application Manager to loc...
Definition: ISvcLocator.h:25
operator<<
MsgStream & operator<<(MsgStream &s, const EventSelectorDataStream &obj)
Output friend for MsgStream.
Definition: EventSelectorDataStream.cpp:25
IConversionSvc
Definition: IConversionSvc.h:37
Gaudi::Property
Implementation of property with value of concrete type.
Definition: Property.h:352
MsgStream.h
IDataManagerSvc
Definition: IDataManagerSvc.h:45
IEvtSelector
The Event Selector Interface.
Definition: IEvtSelector.h:18
std::endl
T endl(T... args)
IOTest.sel
sel
Definition: IOTest.py:93
StatusCode::SUCCESS
constexpr static const auto SUCCESS
Definition: StatusCode.h:85
EventSelectorDataStream::name
const std::string & name() const
Retrieve stream name.
Definition: EventSelectorDataStream.h:92
std::end
T end(T... args)
EventSelectorDataStream::m_criteria
std::string m_criteria
Criteria.
Definition: EventSelectorDataStream.h:60
Gaudi::Details::PropertyBase::name
const std::string name() const
property name
Definition: Property.h:36
EventSelectorDataStream::m_selectorType
std::string m_selectorType
Event selector type.
Definition: EventSelectorDataStream.h:64
std::string
STL class.
IPersistencySvc.h
EventSelectorDataStream::m_pSelector
SmartIF< IEvtSelector > m_pSelector
Pointer to valid selector.
Definition: EventSelectorDataStream.h:66
ISvcLocator::service
StatusCode service(const Gaudi::Utils::TypeNameString &name, T *&svc, bool createIf=true)
Templated method to access a service by name.
Definition: ISvcLocator.h:76
EventSelectorDataStream::m_pSvcLocator
ISvcLocator * m_pSvcLocator
Reference to service locator.
Definition: EventSelectorDataStream.h:68
EventSelectorDataStream::initialize
virtual StatusCode initialize()
Parse input criteria.
Definition: EventSelectorDataStream.cpp:56
IDataManagerSvc.h
StatusCode
This class is used for returning status codes from appropriate routines.
Definition: StatusCode.h:50
EventSelectorDataStream::finalize
virtual StatusCode finalize()
Finalize stream and release resources.
Definition: EventSelectorDataStream.cpp:179
EventSelectorDataStream.h
std::vector::clear
T clear(T... args)
StatusCode::isSuccess
bool isSuccess() const
Definition: StatusCode.h:267
std::move
T move(T... args)
IService.h
EventSelectorDataStream::m_definition
std::string m_definition
Definition string.
Definition: EventSelectorDataStream.h:58
std::find_if
T find_if(T... args)
EventSelectorDataStream::m_properties
Properties m_properties
Properties vector.
Definition: EventSelectorDataStream.h:70
EventSelectorDataStream::definition
const std::string & definition() const
Retrieve definition string.
Definition: EventSelectorDataStream.h:100
IConversionSvc.h
std::begin
T begin(T... args)
EventSelectorDataStream
Definition of class EventSelectorDataStream.
Definition: EventSelectorDataStream.h:45
gaudirun.s
string s
Definition: gaudirun.py:316
AttribStringParser.h
StatusCode::FAILURE
constexpr static const auto FAILURE
Definition: StatusCode.h:86
std::string::substr
T substr(T... args)
IPersistencySvc
Data persistency service interface.
Definition: IPersistencySvc.h:19
EventSelectorDataStream::EventSelectorDataStream
EventSelectorDataStream(std::string nam, std::string def, ISvcLocator *svcloc)
Standard Constructor.
Definition: EventSelectorDataStream.cpp:35
EventSelectorDataStream::m_dbName
std::string m_dbName
String with name of the db as parsed.
Definition: EventSelectorDataStream.h:62
EventSelectorDataStream::property
Gaudi::Property< std::string > * property(const std::string &nam)
Allow access to individual properties by name.
Definition: EventSelectorDataStream.cpp:42
std::ostream
STL class.
ISvcLocator.h
toupper
void toupper(std::string &s)
Definition: StatusCodeSvc.cpp:7
EventSelectorDataStream::setSelector
virtual void setSelector(IEvtSelector *pSelector)
Attach event selector object.
Definition: EventSelectorDataStream.cpp:39
std::string::compare
T compare(T... args)
std::vector::emplace_back
T emplace_back(T... args)