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/data/doxygen/doxygen-1.7.3/gen/CMSSW_4_2_8/src/CondCore/ORA/src/RelationalBuffer.cc

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00001 #include "RelationalBuffer.h"
00002 #include "RelationalOperation.h"
00003 #include "MultiRecordInsertOperation.h"
00004 
00005 ora::RelationalBuffer::RelationalBuffer( coral::ISchema& schema ):
00006   m_schema( schema ),
00007   m_operations(),
00008   m_volatileBuffers(),
00009   m_blobBuffer(){
00010 }
00011 
00012 ora::RelationalBuffer::~RelationalBuffer(){
00013   clear();
00014 }
00015 
00016 ora::InsertOperation& ora::RelationalBuffer::newInsert( const std::string& tableName ){
00017   InsertOperation* newOperation = new InsertOperation( tableName, m_schema );
00018   m_operations.push_back( std::make_pair(newOperation,false) );
00019   return *newOperation;
00020 }
00021 
00022 ora::BulkInsertOperation& ora::RelationalBuffer::newBulkInsert( const std::string& tableName ){
00023   BulkInsertOperation* newOperation = new BulkInsertOperation( tableName, m_schema );
00024   m_operations.push_back( std::make_pair(newOperation,false) );
00025   return *newOperation;  
00026 }
00027 
00028 ora::MultiRecordInsertOperation& ora::RelationalBuffer::newMultiRecordInsert( const std::string& tableName ){
00029   MultiRecordInsertOperation* newOperation = new MultiRecordInsertOperation( tableName, m_schema );
00030   m_operations.push_back( std::make_pair(newOperation,false) );
00031   return *newOperation;  
00032 }
00033 
00034 ora::UpdateOperation& ora::RelationalBuffer::newUpdate( const std::string& tableName,
00035                                                         bool addToResult ){
00036   UpdateOperation* newOperation = new UpdateOperation( tableName, m_schema );
00037   m_operations.push_back( std::make_pair(newOperation,addToResult) );
00038   return *newOperation;  
00039 }
00040 
00041 ora::DeleteOperation& ora::RelationalBuffer::newDelete( const std::string& tableName,
00042                                                         bool addToResult ){
00043   DeleteOperation* newOperation = new DeleteOperation( tableName, m_schema );
00044   m_operations.push_back( std::make_pair(newOperation,addToResult) );
00045   return *newOperation;  
00046 }
00047 
00048 
00049 ora::RelationalBuffer& ora::RelationalBuffer::addVolatileBuffer(){
00050   RelationalBuffer* newBuffer = new RelationalBuffer( m_schema );
00051   m_volatileBuffers.push_back( newBuffer );
00052   return *newBuffer;
00053 }
00054 
00055 void ora::RelationalBuffer::storeBlob( boost::shared_ptr<coral::Blob> blob ){
00056   m_blobBuffer.push_back( blob );
00057 }
00058 
00059 void ora::RelationalBuffer::clear(){
00060   for( std::vector< std::pair<IRelationalOperation*,bool> >::const_iterator iOp = m_operations.begin();
00061        iOp != m_operations.end(); ++iOp ){
00062     delete iOp->first;
00063   }
00064   m_operations.clear();
00065   for( std::vector<RelationalBuffer*>::const_iterator iV = m_volatileBuffers.begin() ;
00066        iV != m_volatileBuffers.end(); ++iV ){
00067     delete *iV;
00068   }
00069   m_volatileBuffers.clear();
00070   m_blobBuffer.clear();
00071 }
00072 
00073 bool ora::RelationalBuffer::flush(){
00074   bool ret = true;
00075   bool go = true;
00076   std::vector< std::pair<IRelationalOperation*,bool> >::const_iterator iOp = m_operations.begin();
00077   if( iOp != m_operations.end() ){
00078     bool ok = (iOp->first)->execute();
00079     go = ok || !(iOp->first)->isRequired();
00080     ret = ret && (ok || !iOp->second);
00081     iOp++;
00082   }
00083   for( ; iOp != m_operations.end(); ++iOp ){
00084     if( go ){
00085       bool ok = (iOp->first)->execute();
00086       go = ok || !(iOp->first)->isRequired();
00087       ret = ret && (ok || !iOp->second);
00088     } else {
00089       (iOp->first)->reset();
00090     }    
00091   }
00092   for( std::vector<RelationalBuffer*>::iterator iV = m_volatileBuffers.begin() ;
00093        iV != m_volatileBuffers.end(); ++iV ){
00094     (*iV)->flush();
00095     delete *iV;
00096   }
00097   m_volatileBuffers.clear();
00098   m_blobBuffer.clear();
00099   return ret;
00100 }
00101 
00102