/*
*
* 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
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package org.apache.qpid.server.queue;
import org.apache.qpid.server.exchange.Exchange;
import org.apache.qpid.server.logging.actors.CurrentActor;
import org.apache.qpid.server.logging.messages.BindingMessages;
import org.apache.qpid.server.logging.subjects.BindingLogSubject;
import org.apache.qpid.server.logging.LogSubject;
import org.apache.qpid.framing.AMQShortString;
import org.apache.qpid.framing.FieldTable;
import org.apache.qpid.AMQException;
public class ExchangeBinding
{
private final Exchange _exchange;
private final AMQShortString _routingKey;
private final FieldTable _arguments;
private static final FieldTable EMPTY_ARGUMENTS = new FieldTable();
private LogSubject _logSubject;
ExchangeBinding(AMQShortString routingKey, Exchange exchange, AMQQueue queue, FieldTable arguments)
{
_routingKey = routingKey == null ? AMQShortString.EMPTY_STRING : routingKey;
_exchange = exchange;
_arguments = arguments == null ? EMPTY_ARGUMENTS : arguments;
_logSubject = new BindingLogSubject(routingKey,exchange,queue);
CurrentActor.get().message(_logSubject, BindingMessages.BND_CREATED(String.valueOf(_arguments), arguments != null));
}
void unbind(AMQQueue queue) throws AMQException
{
_exchange.deregisterQueue(_routingKey, queue, _arguments);
CurrentActor.get().message(_logSubject, BindingMessages.BND_DELETED());
}
public Exchange getExchange()
{
return _exchange;
}
public AMQShortString getRoutingKey()
{
return _routingKey;
}
public FieldTable getArguments()
{
return _arguments;
}
public int hashCode()
{
return (_exchange == null ? 0 : _exchange.hashCode())
+ (_routingKey == null ? 0 : _routingKey.hashCode());
}
public boolean equals(Object o)
{
if (!(o instanceof ExchangeBinding))
{
return false;
}
ExchangeBinding eb = (ExchangeBinding) o;
return _exchange.equals(eb._exchange)
&& _routingKey.equals(eb._routingKey);
}
}