| # Gaudi Framework, version v21r7p1 |

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# PoolDbTupleCallback.cpp

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    00001 // $Id: PoolDbTupleCallback.cpp,v 1.5 2008/10/27 16:41:33 marcocle Exp $
    00002 //------------------------------------------------------------------------------
    00003 //
    00004 // Implementation of class :  PoolDbTupleCallback
    00005 //
    00006 // Author :                   Markus Frank
    00007 //
    00008 //------------------------------------------------------------------------------
    00009
    00010 // FIXME: missing in CORAL
    00011 #include <algorithm>
    00012
    00013 #include "GaudiPoolDb/PoolDbTupleCallback.h"
    00014 #include "GaudiKernel/INTuple.h"
    00015 #include "GaudiKernel/ISelectStatement.h"
    00016
    00017 #include "StorageSvc/DbType.h"
    00018 #include "StorageSvc/DbSelect.h"
    00019 #include "StorageSvc/DbColumn.h"
    00020 #include "StorageSvc/DbTypeInfo.h"
    00021 #include "StorageSvc/DbDatabase.h"
    00022 #include "StorageSvc/DbInstanceCount.h"
    00023
    00024 static pool::DbInstanceCount::Counter* s_count =
    00025   pool::DbInstanceCount::getCounter(typeid(PoolDbTupleCallback));
    00026
    00028 PoolDbTupleCallback::PoolDbTupleCallback(DataObject* pObj)
    00029 : pool::DbDefaultDataHandler(),
    00030   pool::DbObjectCallBack(0),
    00031   m_iter(0), m_cntH(pool::POOL_StorageType)
    00032 {
    00033   m_refCount = 1;
    00034   setObject(pObj);
    00035   s_count->increment();
    00036 }
    00037
    00039 PoolDbTupleCallback::~PoolDbTupleCallback()
    00040 {
    00041   pool::deletePtr(m_iter);
    00042   s_count->decrement();
    00043   const pool::DbTypeInfo* typ = (const pool::DbTypeInfo*)shape();
    00044   if ( typ ) typ->deleteRef();
    00045 }
    00046
    00048 pool::DataCallBack* PoolDbTupleCallback::clone() const
    00049 {
    00050   PoolDbTupleCallback* cb = const_cast<PoolDbTupleCallback*>(this);
    00051   cb->m_refCount++;
    00052   return cb;
    00053 }
    00054
    00056 void PoolDbTupleCallback::release()
    00057 {
    00058   if ( --m_refCount <= 0 ) {
    00059     delete this;
    00060   }
    00061 }
    00062
    00064 void PoolDbTupleCallback::configure(const INTuple* pTuple,
    00065                                     const pool::DbTypeInfo* typ,
    00066                                     const pool::DbContainer& cntH)
    00067 {
    00068   pool::DbTypeInfo::Columns::const_iterator ic;
    00069   const INTuple::ItemContainer& items = pTuple->items();
    00070   const pool::DbTypeInfo::Columns& cols = typ->columns();
    00071   size_t colsize = cols.size();
    00072   m_map.resize(items.size()+1,-1);
    00073   for(size_t item_no = 0; item_no < items.size(); ++item_no ) {
    00074     int icc = 0;
    00075     m_map[item_no] = -1;
    00076     const std::string& itm_nam = items[item_no]->name();
    00077     for (ic=cols.begin(); ic != cols.end(); ++ic, ++icc )  {
    00078       if ( (*ic)->name() == itm_nam )  {
    00079         m_map[item_no] = icc;
    00080         break;
    00081       }
    00082     }
    00083   }
    00084   m_addr.resize(colsize);
    00085   m_addr[colsize-1] = &m_stream;
    00086   m_links.resize(m_map.size());
    00087   m_plinks.resize(m_map.size());
    00088   for(size_t i = 0; i < m_map.size(); ++i )  {
    00089     m_plinks[i] = &m_links[i];
    00090   }
    00091   m_cntH = cntH;
    00092   typ->addRef();
    00093   setShape(typ);
    00094 }
    00095
    00096 pool::DbSelect*
    00097 PoolDbTupleCallback::select(ISelectStatement* sel)  {
    00098   pool::deletePtr(m_iter);
    00099   if ( m_cntH.isValid() )  {
    00100     std::string criteria = (sel && (sel->type() & ISelectStatement::STRING))
    00101       ? sel->criteria() : std::string("");
    00102     m_iter = new pool::DbSelect( criteria );
    00103     pool::DbDatabase dbH = m_cntH.containedIn();
    00104     m_iter->start(dbH, m_cntH.name());
    00105   }
    00106   return m_iter;
    00107 }
    00108
    00110 pool::DbStatus
    00111 PoolDbTupleCallback::start (CallType /* action_type */,
    00112                             void*    /* pObj        */,
    00113                             void**   /* context     */)
    00114 {
    00115   return pool::Success;
    00116 }
    00117
    00119 pool::DbStatus PoolDbTupleCallback::end(CallType /* action_type */,
    00120                                         void*    /* context     */)
    00121 {
    00122   return pool::Success;
    00123 }
    00124
    00126 pool::DbStatus
    00127 PoolDbTupleCallback::bind(CallType                 action_type,
    00128                           const pool::DbColumn* /* col_ident */,
    00129                           int                      col_number,
    00130                           void*                 /* context   */,
    00131                           void**                   data_pointer)
    00132 {
    00133   switch(action_type)  {
    00134   case GET:
    00135     *data_pointer = m_addr[col_number];
    00136     break;
    00137   case PUT:
    00138     *data_pointer = m_addr[col_number];
    00139     break;
    00140   }
    00141   return pool::Success;
    00142 }
    00143