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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_MAP_DB_H
#define FREEZE_MAP_DB_H
#include <IceUtil/Config.h>
#include <db_cxx.h>
#include <Freeze/ConnectionI.h>
#include <Freeze/Map.h>
namespace Freeze
{
class SharedDbEnv;
class MapDb;
class MapIndexI
{
public:
MapIndexI(const ConnectionIPtr&, MapDb&, DbTxn*, bool, const MapIndexBasePtr&);
~MapIndexI();
IteratorHelper* begin(bool, const MapHelperI&) const;
IteratorHelper* untypedFind(const Key&, bool, const MapHelperI&, bool) const;
IteratorHelper* untypedLowerBound(const Key&, bool, const MapHelperI&) const;
IteratorHelper* untypedUpperBound(const Key&, bool, const MapHelperI&) const;
int untypedCount(const Key&, const ConnectionIPtr&) const;
int secondaryKeyCreate(Db*, const Dbt*, const Dbt*, Dbt*);
const std::string& name() const
{
return _index->name();
}
Db* db() const
{
return _db.get();
}
const MapIndexBasePtr& getKeyCompare() const
{
return _index;
}
private:
const MapIndexBasePtr _index;
std::auto_ptr<Db> _db;
std::string _dbName;
};
//
// A MapDb represents the Db object underneath Freeze Maps. Several Freeze Maps often
// share the very same MapDb object; SharedDbEnv manages these shared MapDb objects.
//
class MapDb : public ::Db
{
public:
MapDb(const ConnectionIPtr&, const std::string&, const std::string&, const std::string&,
const KeyCompareBasePtr&, const std::vector<MapIndexBasePtr>&, bool);
//
// The constructor for catalogs
//
MapDb(const Ice::CommunicatorPtr&, const Ice::EncodingVersion&, const std::string&, const std::string&,
const std::string&, DbEnv*);
~MapDb();
void connectIndices(const std::vector<MapIndexBasePtr>&) const;
void clearIndices();
void checkTypes(const std::string&, const std::string&) const;
const std::string& dbName() const;
const KeyCompareBasePtr& getKeyCompare() const;
typedef std::map<std::string, MapIndexI*> IndexMap;
private:
const Ice::CommunicatorPtr _communicator;
const Ice::EncodingVersion _encoding;
const std::string _dbName;
std::string _key;
std::string _value;
const int _trace;
KeyCompareBasePtr _keyCompare;
IndexMap _indices;
};
inline const std::string&
MapDb::dbName() const
{
return _dbName;
}
inline const Freeze::KeyCompareBasePtr&
MapDb::getKeyCompare() const
{
return _keyCompare;
}
}
#endif
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