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// **********************************************************************
//
// Copyright (c) 2003-2017 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.
//
// **********************************************************************
#import <LocalObjectI.h>
#include <map>
#include <IceUtil/Shared.h>
#include <Foundation/Foundation.h>
#define CXXOBJECT ((IceUtil::Shared*)cxxObject_)
namespace
{
std::map<IceUtil::Shared*, ICELocalObject*> cachedObjects;
}
@implementation ICELocalObject
-(id) init
{
self = [super init];
if(!self)
{
return nil;
}
cxxObject_ = 0;
return self;
}
-(id) initWithCxxObject:(IceUtil::Shared*)arg
{
self = [super init];
if(!self)
{
return nil;
}
cxxObject_ = arg;
CXXOBJECT->__incRef();
//
// No synchronization because initWithCxxObject is always called with the wrapper class object locked
//
assert(cachedObjects.find(CXXOBJECT) == cachedObjects.end());
cachedObjects.insert(std::make_pair(CXXOBJECT, self));
return self;
}
-(IceUtil::Shared*) cxxObject
{
return CXXOBJECT;
}
-(void) dealloc
{
if(cxxObject_)
{
//
// No synchronization because dealloc is always called with the wrapper class object locked
//
cachedObjects.erase(CXXOBJECT);
CXXOBJECT->__decRef();
cxxObject_ = 0;
}
[super dealloc];
}
+(id) getLocalObjectWithCxxObjectNoAutoRelease:(IceUtil::Shared*)arg
{
//
// Note: the returned object is NOT retained. It must be held
// some other way by the calling thread.
//
if(arg == 0)
{
return nil;
}
@synchronized([ICELocalObject class])
{
std::map<IceUtil::Shared*, ICELocalObject*>::const_iterator p = cachedObjects.find(arg);
if(p != cachedObjects.end())
{
return p->second;
}
}
return nil;
}
+(id) localObjectWithCxxObjectNoAutoRelease:(IceUtil::Shared*)arg
{
if(arg == 0)
{
return nil;
}
@synchronized([ICELocalObject class])
{
std::map<IceUtil::Shared*, ICELocalObject*>::const_iterator p = cachedObjects.find(arg);
if(p != cachedObjects.end())
{
return [p->second retain];
}
else
{
return [[self alloc] initWithCxxObject:arg];
}
}
return nil; // Keep the compiler happy.
}
+(id) localObjectWithCxxObject:(IceUtil::Shared*)arg
{
return [[self localObjectWithCxxObjectNoAutoRelease:arg] autorelease];
}
-(id) retain
{
NSIncrementExtraRefCount(self);
return self;
}
-(oneway void) release
{
@synchronized([ICELocalObject class])
{
if(NSDecrementExtraRefCountWasZero(self))
{
[self dealloc];
}
}
}
@end
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