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// **********************************************************************
//
// Copyright (c) 2003-2016 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_TRANSACTIONAL_EVICTOR_I_H
#define FREEZE_TRANSACTIONAL_EVICTOR_I_H
#include <Freeze/EvictorI.h>
#include <Freeze/TransactionalEvictor.h>
#include <Ice/DispatchInterceptor.h>
namespace Freeze
{
class TransactionalEvictorI;
class TransactionalEvictorElement;
typedef IceUtil::Handle<TransactionalEvictorElement> TransactionalEvictorElementPtr;
class TransactionalEvictorElement : public Ice::LocalObject
{
public:
TransactionalEvictorElement(ObjectRecord&, ObjectStore<TransactionalEvictorElement>&);
~TransactionalEvictorElement();
void init(ObjectStore<TransactionalEvictorElement>::Position);
const Ice::ObjectPtr& servant() const
{
return _servant;
}
bool stale() const
{
return _stale;
}
private:
friend class TransactionalEvictorI;
const Ice::ObjectPtr _servant;
//
// Immutable
//
ObjectStore<TransactionalEvictorElement>& _store;
//
// Immutable once set
//
ObjectStore<TransactionalEvictorElement>::Position _cachePosition;
//
// Protected by TransactionalEvictorI
//
std::list<TransactionalEvictorElementPtr>::iterator _evictPosition;
bool _stale;
bool _inEvictor;
};
class TransactionalEvictorI : public TransactionalEvictor, public EvictorI<TransactionalEvictorElement>
{
public:
TransactionalEvictorI(const Ice::ObjectAdapterPtr&, const std::string&, DbEnv*, const std::string&,
const FacetTypeMap&, const ServantInitializerPtr&, const std::vector<IndexPtr>&, bool);
virtual ~TransactionalEvictorI();
virtual TransactionPtr getCurrentTransaction() const;
virtual void setCurrentTransaction(const TransactionPtr&);
virtual Ice::ObjectPrx addFacet(const Ice::ObjectPtr&, const Ice::Identity&, const std::string&);
virtual Ice::ObjectPtr removeFacet(const Ice::Identity&, const std::string&);
virtual bool hasFacet(const Ice::Identity&, const std::string&);
virtual void finished(const Ice::Current&, const Ice::ObjectPtr&, const Ice::LocalObjectPtr&);
virtual void deactivate(const std::string&);
virtual TransactionIPtr beforeQuery();
Ice::DispatchStatus dispatch(Ice::Request&);
Ice::ObjectPtr evict(const Ice::Identity&, ObjectStore<TransactionalEvictorElement>*);
protected:
virtual bool hasAnotherFacet(const Ice::Identity&, const std::string&);
virtual Ice::ObjectPtr locateImpl(const Ice::Current&, Ice::LocalObjectPtr&);
virtual void evict();
private:
Ice::ObjectPtr loadCachedServant(const Ice::Identity&, ObjectStore<TransactionalEvictorElement>*);
void evict(const TransactionalEvictorElementPtr&);
void fixEvictPosition(const TransactionalEvictorElementPtr&);
void servantNotFound(const char*, int, const Ice::Current&);
//
// The _evictorList contains a list of all objects we keep,
// with the most recently used first.
//
std::list<TransactionalEvictorElementPtr> _evictorList;
std::list<TransactionalEvictorElementPtr>::size_type _currentEvictorSize;
bool _rollbackOnUserException;
Ice::DispatchInterceptorPtr _interceptor;
};
typedef IceUtil::Handle<TransactionalEvictorI> TransactionalEvictorIPtr;
}
#endif
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