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// **********************************************************************
//
// Copyright (c) 2003-2004 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_MAP_I_H
#define FREEZE_MAP_I_H
#include <Freeze/Map.h>
#include <Freeze/SharedDb.h>
namespace Freeze
{
class MapHelperI;
class IteratorHelperI : public IteratorHelper
{
public:
IteratorHelperI(const MapHelperI& m, bool readOnly);
IteratorHelperI(const IteratorHelperI&);
virtual
~IteratorHelperI();
bool
findFirst() const;
bool
find(const Key& k) const;
virtual IteratorHelper*
clone() const;
const Key*
get() const;
virtual void
get(const Key*&, const Value*&) const;
virtual void
set(const Value&);
virtual void
erase();
virtual bool
next() const;
virtual bool
equals(const IteratorHelper&) const;
void
close();
class Tx : public IceUtil::SimpleShared
{
public:
Tx(const MapHelperI&);
~Tx();
void dead();
DbTxn* getTxn()
{
return _txn;
}
private:
const MapHelperI& _map;
DbTxn* _txn;
bool _dead;
};
typedef IceUtil::Handle<Tx> TxPtr;
const TxPtr&
tx() const;
private:
void
cleanup();
const MapHelperI& _map;
Dbc* _dbc;
TxPtr _tx;
mutable Key _key;
mutable Value _value;
};
class MapHelperI : public MapHelper
{
public:
MapHelperI(const ConnectionIPtr& connection, const std::string& dbName,
bool createDb);
virtual ~MapHelperI();
virtual IteratorHelper*
find(const Key&, bool) const;
virtual void
put(const Key&, const Value&);
virtual size_t
erase(const Key&);
virtual size_t
count(const Key&) const;
virtual void
clear();
virtual void
destroy();
virtual size_t
size() const;
virtual void
closeAllIterators();
void
close();
private:
virtual void
closeAllIteratorsExcept(const IteratorHelperI::TxPtr&) const;
friend class IteratorHelperI;
friend class IteratorHelperI::Tx;
const ConnectionIPtr _connection;
mutable std::list<IteratorHelperI*> _iteratorList;
SharedDbPtr _db;
const std::string _dbName;
Ice::Int _trace;
};
inline const IteratorHelperI::TxPtr&
IteratorHelperI::tx() const
{
return _tx;
}
}
#endif
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