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// **********************************************************************
//
// Copyright (c) 2003-2011 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************
#ifndef FREEZE_CONNECTIONI_H
#define FREEZE_CONNECTIONI_H
#include <Freeze/Connection.h>
#include <Freeze/Initialize.h>
#include <Freeze/TransactionI.h>
#include <Freeze/SharedDbEnv.h>
#include <list>
namespace Freeze
{
class MapHelperI;
//
// A mutex shared by a connection and all its transactions
// (for refcounting thread-safety)
//
struct SharedMutex : public IceUtil::Shared
{
IceUtil::Mutex mutex;
};
typedef IceUtil::Handle<SharedMutex> SharedMutexPtr;
class ConnectionI : public Connection
{
public:
virtual TransactionPtr beginTransaction();
virtual TransactionPtr currentTransaction() const;
virtual void removeMapIndex(const std::string&, const std::string&);
virtual void close();
virtual Ice::CommunicatorPtr getCommunicator() const;
virtual std::string getName() const;
//
// Custom refcounting implementation
//
virtual void __incRef();
virtual void __decRef();
virtual int __getRef() const;
virtual ~ConnectionI();
ConnectionI(const SharedDbEnvPtr&);
TransactionIPtr beginTransactionI();
void closeAllIterators();
void registerMap(MapHelperI*);
void unregisterMap(MapHelperI*);
void clearTransaction();
DbTxn* dbTxn() const;
const SharedDbEnvPtr& dbEnv() const;
const Ice::CommunicatorPtr& communicator() const;
const std::string& envName() const;
Ice::Int trace() const;
Ice::Int txTrace() const;
bool deadlockWarning() const;
private:
friend class TransactionI;
int __getRefNoSync() const;
const Ice::CommunicatorPtr _communicator;
SharedDbEnvPtr _dbEnv;
const std::string _envName;
TransactionIPtr _transaction;
std::list<MapHelperI*> _mapList;
const Ice::Int _trace;
const Ice::Int _txTrace;
const bool _deadlockWarning;
SharedMutexPtr _refCountMutex;
int _refCount;
};
typedef IceUtil::Handle<ConnectionI> ConnectionIPtr;
inline void
ConnectionI::clearTransaction()
{
_transaction = 0;
}
inline DbTxn*
ConnectionI::dbTxn() const
{
if(!_transaction)
{
return 0;
}
else
{
return _transaction->dbTxn();
}
}
inline const SharedDbEnvPtr&
ConnectionI::dbEnv() const
{
return _dbEnv;
}
inline const std::string&
ConnectionI::envName() const
{
return _envName;
}
inline const Ice::CommunicatorPtr&
ConnectionI::communicator() const
{
return _communicator;
}
inline Ice::Int
ConnectionI::trace() const
{
return _trace;
}
inline Ice::Int
ConnectionI::txTrace() const
{
return _txTrace;
}
inline bool
ConnectionI::deadlockWarning() const
{
return _deadlockWarning;
}
}
#endif
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