GCObject.h

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//
// Copyright (c) ZeroC, Inc. All rights reserved.
//
 
#ifndef ICE_GC_OBJECT_H
#define ICE_GC_OBJECT_H
 
#ifndef ICE_CPP11_MAPPING
 
#include <Ice/Object.h>
 
#include <IceUtil/MutexPtrLock.h>
#include <IceUtil/Mutex.h>
 
namespace IceInternal
{
 
class GCObject;
 
class GCVisitor
{
public:
 
    virtual ~GCVisitor()
    {
    }
 
    virtual bool visit(GCObject*) = 0;
};
 
class ICE_API GCObject : public virtual Ice::Object
{
public:
 
    //
    // Flags constant used for collection of graphs
    //
    static const unsigned char Collectable;
    static const unsigned char CycleMember;
    static const unsigned char Visiting;
 
    //
    // Override IceUtil::Shared methods
    //
    virtual void __incRef();
    virtual void __decRef();
    virtual int __getRef() const;
    virtual void __setNoDelete(bool);
 
    //
    // Override Object methods
    //
    virtual bool _iceGcVisit(GCVisitor&);
    virtual void ice_collectable(bool);
 
    //
    // This method is implemented by Slice classes to visit class
    // members.
    //
    virtual void _iceGcVisitMembers(IceInternal::GCVisitor&) = 0;
 
    int _iceGetRefUnsafe()
    {
        return _ref;
    }
 
private:
 
    bool collect(IceUtilInternal::MutexPtrLock<IceUtil::Mutex>&);
};
 
}
 
#endif
 
#endif