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// **********************************************************************
//
// Copyright (c) 2003-2005 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 ICE_REFERENCE_H
#define ICE_REFERENCE_H
#include <IceUtil/Shared.h>
#include <IceUtil/Mutex.h>
#include <Ice/ReferenceF.h>
#include <Ice/ReferenceFactoryF.h>
#include <Ice/EndpointF.h>
#include <Ice/InstanceF.h>
#include <Ice/RouterF.h>
#include <Ice/LocatorF.h>
#include <Ice/RouterInfoF.h>
#include <Ice/LocatorInfoF.h>
#include <Ice/ConnectionIF.h>
#include <Ice/Identity.h>
namespace IceInternal
{
class BasicStream;
class Reference : public IceUtil::Shared
{
public:
enum Mode
{
ModeTwoway,
ModeOneway,
ModeBatchOneway,
ModeDatagram,
ModeBatchDatagram,
ModeLast = ModeBatchDatagram
};
Mode getMode() const { return _mode; }
const Ice::Identity& getIdentity() const { return _identity; }
const std::string& getFacet() const { return _facet; }
const InstancePtr& getInstance() const { return _instance; }
const Ice::Context& getContext() const;
ReferencePtr defaultContext() const;
virtual bool getSecure() const = 0;
virtual std::vector<EndpointPtr> getEndpoints() const = 0;
virtual bool getCollocationOptimization() const = 0;
//
// The change* methods (here and in derived classes) create
// a new reference based on the existing one, with the
// corresponding value changed.
//
ReferencePtr changeContext(const Ice::Context&) const;
ReferencePtr changeMode(Mode) const;
ReferencePtr changeIdentity(const Ice::Identity&) const;
bool hasContext() const { return _hasContext; }
ReferencePtr changeFacet(const std::string&) const;
//
// Return a reference in the default configuration.
//
virtual ReferencePtr changeDefault() const;
virtual ReferencePtr changeSecure(bool) const = 0;
virtual ReferencePtr changeRouter(const Ice::RouterPrx&) const = 0;
virtual ReferencePtr changeLocator(const Ice::LocatorPrx&) const = 0;
virtual ReferencePtr changeCompress(bool) const = 0;
virtual ReferencePtr changeTimeout(int) const = 0;
virtual ReferencePtr changeCollocationOptimization(bool) const = 0;
int hash() const; // Conceptually const.
//
// Marshal the reference.
//
virtual void streamWrite(BasicStream*) const;
//
// Convert the reference to its string form.
//
virtual std::string toString() const;
//
// Get a suitable connection for this reference.
//
virtual Ice::ConnectionIPtr getConnection(bool&) const = 0;
virtual bool operator==(const Reference&) const = 0;
virtual bool operator!=(const Reference&) const = 0;
virtual bool operator<(const Reference&) const = 0;
virtual ReferencePtr clone() const = 0;
protected:
Reference(const InstancePtr&, const Ice::Identity&, const Ice::Context&, const std::string&, Mode);
Reference(const Reference&);
private:
InstancePtr _instance;
Mode _mode;
Ice::Identity _identity;
bool _hasContext;
Ice::Context _context;
std::string _facet;
IceUtil::Mutex _hashMutex; // For lazy initialization of hash value.
mutable Ice::Int _hashValue;
mutable bool _hashInitialized;
};
class FixedReference : public Reference
{
public:
FixedReference(const InstancePtr&, const Ice::Identity&, const Ice::Context&, const std::string&, Mode,
const std::vector<Ice::ConnectionIPtr>&);
const std::vector<Ice::ConnectionIPtr>& getFixedConnections() const;
virtual bool getSecure() const;
virtual std::vector<EndpointPtr> getEndpoints() const;
virtual bool getCollocationOptimization() const;
virtual ReferencePtr changeSecure(bool) const;
virtual ReferencePtr changeRouter(const Ice::RouterPrx&) const;
virtual ReferencePtr changeLocator(const Ice::LocatorPrx&) const;
virtual ReferencePtr changeCollocationOptimization(bool) const;
virtual ReferencePtr changeCompress(bool) const;
virtual ReferencePtr changeTimeout(int) const;
virtual void streamWrite(BasicStream*) const;
virtual Ice::ConnectionIPtr getConnection(bool&) const;
virtual bool operator==(const Reference&) const;
virtual bool operator!=(const Reference&) const;
virtual bool operator<(const Reference&) const;
virtual ReferencePtr clone() const;
protected:
FixedReference(const FixedReference&);
private:
std::vector<Ice::ConnectionIPtr> _fixedConnections;
};
class RoutableReference : public Reference
{
public:
const RouterInfoPtr& getRouterInfo() const { return _routerInfo; }
std::vector<EndpointPtr> getRoutedEndpoints() const;
virtual bool getSecure() const;
virtual bool getCollocationOptimization() const;
virtual ReferencePtr changeDefault() const;
virtual ReferencePtr changeSecure(bool) const;
virtual ReferencePtr changeRouter(const Ice::RouterPrx&) const;
virtual ReferencePtr changeCollocationOptimization(bool) const;
virtual Ice::ConnectionIPtr getConnection(bool&) const = 0;
virtual bool operator==(const Reference&) const = 0;
virtual bool operator!=(const Reference&) const = 0;
virtual bool operator<(const Reference&) const = 0;
virtual ReferencePtr clone() const = 0;
protected:
RoutableReference(const InstancePtr&, const Ice::Identity&, const Ice::Context&, const std::string&,
Mode, bool, const RouterInfoPtr&, bool);
RoutableReference(const RoutableReference&);
private:
bool _secure;
RouterInfoPtr _routerInfo; // Null if no router is used.
bool _collocationOptimization;
};
class DirectReference : public RoutableReference
{
public:
DirectReference(const InstancePtr&, const Ice::Identity&, const Ice::Context&, const std::string&, Mode, bool,
const std::vector<EndpointPtr>&, const RouterInfoPtr&, bool);
virtual std::vector<EndpointPtr> getEndpoints() const;
DirectReferencePtr changeEndpoints(const std::vector<EndpointPtr>&) const;
virtual ReferencePtr changeDefault() const;
virtual ReferencePtr changeLocator(const Ice::LocatorPrx&) const;
virtual ReferencePtr changeCompress(bool) const;
virtual ReferencePtr changeTimeout(int) const;
virtual void streamWrite(BasicStream*) const;
virtual std::string toString() const;
virtual Ice::ConnectionIPtr getConnection(bool&) const;
virtual bool operator==(const Reference&) const;
virtual bool operator!=(const Reference&) const;
virtual bool operator<(const Reference&) const;
virtual ReferencePtr clone() const;
protected:
DirectReference(const DirectReference&);
private:
std::vector<EndpointPtr> _endpoints;
};
class IndirectReference : public RoutableReference
{
public:
IndirectReference(const InstancePtr&, const Ice::Identity&, const Ice::Context&, const std::string&,
Mode, bool, const std::string&, const RouterInfoPtr&, const LocatorInfoPtr&, bool);
const std::string& getAdapterId() const { return _adapterId; }
const LocatorInfoPtr& getLocatorInfo() const { return _locatorInfo; }
virtual std::vector<EndpointPtr> getEndpoints() const;
virtual ReferencePtr changeDefault() const;
virtual ReferencePtr changeLocator(const Ice::LocatorPrx&) const;
virtual ReferencePtr changeCompress(bool) const;
virtual ReferencePtr changeTimeout(int) const;
virtual void streamWrite(BasicStream*) const;
virtual std::string toString() const;
virtual Ice::ConnectionIPtr getConnection(bool&) const;
virtual bool operator==(const Reference&) const;
virtual bool operator!=(const Reference&) const;
virtual bool operator<(const Reference&) const;
virtual ReferencePtr clone() const;
protected:
IndirectReference(const IndirectReference&);
private:
std::string _adapterId;
LocatorInfoPtr _locatorInfo;
};
std::vector<EndpointPtr> filterEndpoints(const std::vector<EndpointPtr>&, Reference::Mode, bool);
std::vector<Ice::ConnectionIPtr> filterConnections(const std::vector<Ice::ConnectionIPtr>&, Reference::Mode, bool);
}
#endif
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