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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 distirbution.
//
// **********************************************************************
#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 ::Ice::Context& getContext() const { return context; }
const ::std::string& getFacet() const { return facet; }
bool getSecure() const { return secure; }
bool getCollocationOptimization() const { return collocationOptimization; }
const InstancePtr& getInstance() const { return instance; }
virtual ::std::vector<EndpointPtr> getEndpoints() 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 changeMode(Mode) const;
ReferencePtr changeIdentity(const ::Ice::Identity&) const;
ReferencePtr changeContext(const ::Ice::Context&) const;
ReferencePtr changeFacet(const ::std::string&) const;
ReferencePtr changeSecure(bool) const;
ReferencePtr changeCollocationOptimization(bool) const;
virtual ReferencePtr changeRouter(const ::Ice::RouterPrx&) const;
virtual ReferencePtr changeLocator(const ::Ice::LocatorPrx&) const;
virtual ReferencePtr changeDefault() const;
virtual ReferencePtr changeCompress(bool) const;
virtual ReferencePtr changeTimeout(int) const;
virtual int hash() const; // Conceptually const.
//
// Marshal the reference.
//
virtual void streamWrite(BasicStream*) const = 0;
//
// Convert the reference to its string form.
//
virtual ::std::string toString() const = 0;
//
// Get a suitable connection for this reference.
//
virtual ::Ice::ConnectionIPtr getConnection(bool&) const = 0;
::std::vector< ::Ice::ConnectionIPtr> filterConnections(const ::std::vector< ::Ice::ConnectionIPtr>&) const;
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, bool, bool);
Reference(const Reference&);
virtual ~Reference() {}
private:
InstancePtr instance;
Mode mode;
::Ice::Identity identity;
::Ice::Context context;
::std::string facet;
bool secure;
bool collocationOptimization;
::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, bool,
bool, const ::std::vector< ::Ice::ConnectionIPtr>&);
const ::std::vector< ::Ice::ConnectionIPtr>& getFixedConnections() const { return fixedConnections; }
virtual ::std::vector<EndpointPtr> getEndpoints() 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:
FixedReference(const FixedReference&);
virtual ~FixedReference() {}
private:
::std::vector< ::Ice::ConnectionIPtr> fixedConnections;
};
class RoutableReference : public Reference
{
public:
const RouterInfoPtr& getRouterInfo() const { return routerInfo; }
::std::vector<EndpointPtr> getRoutedEndpoints() const;
virtual ReferencePtr changeRouter(const ::Ice::RouterPrx&) const;
virtual ReferencePtr changeDefault() const;
virtual ReferencePtr changeCompress(bool) const;
virtual ReferencePtr changeTimeout(int) const;
virtual void streamWrite(BasicStream*) const = 0;
virtual ::std::string toString() const = 0;
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&);
virtual ~RoutableReference() {}
private:
RouterInfoPtr routerInfo; // Null if no router is used.
};
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 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&);
virtual ~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;
IndirectReferencePtr changeAdapterId(const ::std::string&) const;
virtual ReferencePtr changeLocator(const ::Ice::LocatorPrx&) const;
virtual ReferencePtr changeDefault() 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&);
virtual ~IndirectReference() {}
private:
::std::string adapterId;
LocatorInfoPtr locatorInfo; // Null if no locator is used.
};
::std::vector<EndpointPtr> filterEndpoints(const ::std::vector<EndpointPtr>&, Reference::Mode, bool);
#if 0 // TODO: move this
class Reference : public ::IceUtil::Shared
{
public:
//
// Filter endpoints or connections based on criteria from this reference.
//
::std::vector<Ice::ConnectionIPtr> filterConnections(const ::std::vector<Ice::ConnectionIPtr>&) const;
private:
Reference(const InstancePtr&, const Ice::Identity&, const Ice::Context&, const ::std::string&, Mode, bool,
const ::std::string&, const ::std::vector<EndpointPtr>&,
const RouterInfoPtr&, const LocatorInfoPtr&, const ::std::vector<Ice::ConnectionIPtr>&, bool);
friend class ReferenceFactory;
};
#endif
}
#endif
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