activemq/amazon/amq_corelib/MessageConsumerRef.cpp

74 lines
2.0 KiB
C++

/*
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements. See the NOTICE file
distributed with this work for additional information
regarding copyright ownership. The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied. See the License for the
specific language governing permissions and limitations
under the License.
*/
#include <stdlib.h>
#include "MessageConsumerRef.h"
#include "CoreLib.h"
#include "RCSID.h"
#include "Message.h"
using namespace ActiveMQ;
RCSID(MessageConsumerRef, "$Id$");
MessageConsumerRef::MessageConsumerRef()
: owner_(NULL)
{}
MessageConsumerRef::MessageConsumerRef(const MessageConsumerRef& oth)
: owner_(oth.owner_)
{}
MessageConsumerRef&
MessageConsumerRef::operator=(const MessageConsumerRef& oth) {
if (this == &oth)
return *this;
bool firstInit = (owner_ == NULL);
if (!firstInit)
owner_->deregisterRef(this);
owner_ = oth.owner_;
if (firstInit && owner_)
owner_->registerRef(this);
return *this;
}
MessageConsumerRef::MessageConsumerRef(CoreLib *owner) : owner_(owner) {
// leave it up to child classes to register
// Calling corelib->registerRef calls back to the pure virtual
// method getConsumer(), which when called from this constructor
// will call the actual pure virtual method (which calls
// std::terminate).
}
MessageConsumerRef::~MessageConsumerRef() {
}
void
MessageConsumerRef::invalidate() {
owner_ = NULL;
}
Message *
MessageConsumerRef::receivePtr() {
return receive().release();
}