diff options
Diffstat (limited to 'java/broker/src/main/java/org/apache/qpid/server/exchange/topic/TopicWordDictionary.java')
-rw-r--r-- | java/broker/src/main/java/org/apache/qpid/server/exchange/topic/TopicWordDictionary.java | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/java/broker/src/main/java/org/apache/qpid/server/exchange/topic/TopicWordDictionary.java b/java/broker/src/main/java/org/apache/qpid/server/exchange/topic/TopicWordDictionary.java new file mode 100644 index 0000000000..65a0cd3107 --- /dev/null +++ b/java/broker/src/main/java/org/apache/qpid/server/exchange/topic/TopicWordDictionary.java @@ -0,0 +1,63 @@ +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; + } +} |