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package org.apache.qpid.server.exchange.topic;
import org.apache.qpid.framing.AMQShortString;
import java.util.concurrent.ConcurrentHashMap;
/*
*
* 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.
*
*/
public class TopicWordDictionary
{
private final ConcurrentHashMap<AMQShortString,TopicWord> _dictionary =
new ConcurrentHashMap<AMQShortString,TopicWord>();
public TopicWordDictionary()
{
_dictionary.put(new AMQShortString("*"), TopicWord.ANY_WORD);
_dictionary.put(new AMQShortString("#"), TopicWord.WILDCARD_WORD);
}
public TopicWord getOrCreateWord(AMQShortString name)
{
TopicWord word = _dictionary.putIfAbsent(name, new TopicWord(name));
if(word == null)
{
word = _dictionary.get(name);
}
return word;
}
public TopicWord getWord(AMQShortString name)
{
TopicWord word = _dictionary.get(name);
if(word == null)
{
word = TopicWord.ANY_WORD;
}
return word;
}
}
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