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/*
*
* 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.
*
*/
package org.apache.qpid.server.binding;
import org.apache.qpid.server.exchange.Exchange;
import org.apache.qpid.server.queue.AMQQueue;
import java.util.Collections;
import java.util.Map;
import java.util.UUID;
import java.util.concurrent.atomic.AtomicLong;
public class Binding
{
private final String _bindingKey;
private final AMQQueue _queue;
private final Exchange _exchange;
private final Map<String, Object> _arguments;
private final UUID _id;
private final AtomicLong _matches = new AtomicLong();
public Binding(UUID id, final String bindingKey, final AMQQueue queue, final Exchange exchange, final Map<String, Object> arguments)
{
_id = id;
_bindingKey = bindingKey;
_queue = queue;
_exchange = exchange;
_arguments = arguments == null ? Collections.EMPTY_MAP : Collections.unmodifiableMap(arguments);
}
public UUID getId()
{
return _id;
}
public String getBindingKey()
{
return _bindingKey;
}
public AMQQueue getQueue()
{
return _queue;
}
public Exchange getExchange()
{
return _exchange;
}
public Map<String, Object> getArguments()
{
return _arguments;
}
public void incrementMatches()
{
_matches.incrementAndGet();
}
public long getMatches()
{
return _matches.get();
}
boolean isDurable()
{
return _queue.isDurable() && _exchange.isDurable();
}
@Override
public boolean equals(final Object o)
{
if (this == o)
{
return true;
}
if (o == null || !(o instanceof Binding))
{
return false;
}
final Binding binding = (Binding) o;
return (_bindingKey == null ? binding.getBindingKey() == null : _bindingKey.equals(binding.getBindingKey()))
&& (_exchange == null ? binding.getExchange() == null : _exchange.equals(binding.getExchange()))
&& (_queue == null ? binding.getQueue() == null : _queue.equals(binding.getQueue()));
}
@Override
public int hashCode()
{
int result = _bindingKey == null ? 1 : _bindingKey.hashCode();
result = 31 * result + (_queue == null ? 3 : _queue.hashCode());
result = 31 * result + (_exchange == null ? 5 : _exchange.hashCode());
return result;
}
}
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