PartitionSwitchAlg.cpp

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00001 // $Header: /tmp/svngaudi/tmp.jEpFh25751/Gaudi/GaudiSvc/src/DataSvc/PartitionSwitchAlg.cpp,v 1.2 2006/01/19 07:27:21 mato Exp $
00002 //      ====================================================================
00003 //  PartitionSwitchAlg.cpp
00004 //      --------------------------------------------------------------------
00005 //
00006 //      Author    : Markus Frank
00007 //
00008 //      ====================================================================
00009 #include "GaudiKernel/IPartitionControl.h"
00010 #include "GaudiKernel/AlgFactory.h"
00011 #include "GaudiKernel/Algorithm.h"
00012 #include "GaudiKernel/MsgStream.h"
00013 #include "GaudiKernel/IToolSvc.h"
00014 #include "GaudiKernel/IAlgTool.h"
00015 #include "GaudiKernel/SmartIF.h"
00016 
00026 class PartitionSwitchAlg : public extends1<Algorithm, IPartitionControl> {
00027 
00028   typedef StatusCode         STATUS;
00029   typedef const std::string& CSTR;
00030 
00031 private:
00032 
00034   std::string        m_partName;
00036   std::string        m_toolType;
00038   IPartitionControl* m_actor;
00039 
00040 public:
00041 
00043   PartitionSwitchAlg(CSTR name, ISvcLocator* pSvcLocator)
00044   : base_class(name, pSvcLocator), m_actor(0)
00045   {
00046     declareProperty("Partition",  m_partName);
00047     declareProperty("Tool",       m_toolType="PartitionSwitchTool");
00048   }
00050   virtual ~PartitionSwitchAlg()     {
00051   }
00052 
00054   virtual STATUS initialize()   {
00055     MsgStream log(msgSvc(), name());
00056     SmartIF<IAlgTool> tool(m_actor);
00057     STATUS sc = toolSvc()->retrieveTool(m_toolType,m_actor,this);
00058     if ( sc.isFailure() ) {
00059       log << MSG::ERROR << "Unable to load PartitionSwitchTool "
00060           << m_toolType << endmsg;
00061       return sc;
00062     }
00064     if ( tool ) toolSvc()->releaseTool(tool);
00066     IInterface* partititon = 0;
00067     sc = m_actor->get(m_partName, partititon);
00068     if ( !sc.isSuccess() )  {
00069       log << MSG::ERROR << "Cannot access partition \""
00070           << m_partName << "\"" << endmsg;
00071     }
00072     return sc;
00073   }
00074 
00076   virtual STATUS finalize() {
00077     SmartIF<IAlgTool> tool(m_actor);
00078     if ( tool ) toolSvc()->releaseTool(tool);
00079     m_actor = 0;
00080     return STATUS::SUCCESS;
00081   }
00082 
00084   virtual STATUS execute()    {
00085     if ( m_actor )  {
00086       STATUS sc = m_actor->activate(m_partName);
00087       if ( !sc.isSuccess() )  {
00088         MsgStream log(msgSvc(), name());
00089         log << MSG::ERROR << "Cannot activate partition \""
00090             << m_partName << "\"!" << endmsg;
00091       }
00092       return sc;
00093     }
00094     MsgStream log(msgSvc(), name());
00095     log << MSG::ERROR << "The partition control tool \"" << name()
00096         << "." << m_toolType << "\" cannot be accessed!" << endmsg;
00097     return STATUS::FAILURE;
00098   }
00099 
00100   void _check(STATUS sc, CSTR msg)  const {
00101     MsgStream log(msgSvc(), name());
00102     log << MSG::ERROR << msg << " Status=" << sc.getCode() << endmsg;
00103   }
00104 #define CHECK(x,y) if ( !x.isSuccess() ) _check(x, y); return x;
00105 
00107   virtual STATUS create(CSTR nam, CSTR typ)  {
00108     STATUS sc = m_actor ? m_actor->create(nam,typ) : NO_INTERFACE;
00109     CHECK(sc, "Cannot create partition: "+nam+" of type "+typ);
00110   }
00112   virtual STATUS create(CSTR nam, CSTR typ, IInterface*& pPartition)  {
00113     STATUS sc = m_actor ? m_actor->create(nam,typ,pPartition) : NO_INTERFACE;
00114     CHECK(sc, "Cannot create partition: "+nam+" of type "+typ);
00115   }
00117   virtual STATUS drop(CSTR nam)  {
00118     STATUS sc = m_actor ? m_actor->drop(nam) : NO_INTERFACE;
00119     CHECK(sc, "Cannot drop partition: "+nam);
00120   }
00122   virtual STATUS drop(IInterface* pPartition)  {
00123     STATUS sc = m_actor ? m_actor->drop(pPartition) : NO_INTERFACE;
00124     CHECK(sc, "Cannot drop partition by Interface.");
00125   }
00127   virtual STATUS activate(CSTR nam)  {
00128     STATUS sc = m_actor ? m_actor->activate(nam) : NO_INTERFACE;
00129     CHECK(sc, "Cannot activate partition: "+nam);
00130   }
00132   virtual STATUS activate(IInterface* pPartition)  {
00133     STATUS sc = m_actor ? m_actor->activate(pPartition) : NO_INTERFACE;
00134     CHECK(sc, "Cannot activate partition by Interface.");
00135   }
00137   virtual STATUS get(CSTR nam, IInterface*& pPartition) const  {
00138     STATUS sc = m_actor ? m_actor->get(nam, pPartition) : NO_INTERFACE;
00139     CHECK(sc, "Cannot get partition "+nam);
00140   }
00142   virtual STATUS activePartition(std::string& nam, IInterface*& pPartition) const  {
00143     STATUS sc = m_actor ? m_actor->activePartition(nam, pPartition) : NO_INTERFACE;
00144     CHECK(sc, "Cannot determine active partition.");
00145   }
00146 };
00147 
00148 DECLARE_ALGORITHM_FACTORY(PartitionSwitchAlg)
Gaudi Framework, version v22r0

PartitionSwitchAlg.cpp
