diff options
Diffstat (limited to 'broker/src/org/apache/qpid/server/exchange/Index.java')
-rw-r--r-- | broker/src/org/apache/qpid/server/exchange/Index.java | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/broker/src/org/apache/qpid/server/exchange/Index.java b/broker/src/org/apache/qpid/server/exchange/Index.java deleted file mode 100644 index fb48729c9e..0000000000 --- a/broker/src/org/apache/qpid/server/exchange/Index.java +++ /dev/null @@ -1,88 +0,0 @@ -/* - * - * 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.exchange; - -import org.apache.qpid.server.queue.AMQQueue; - -import java.util.List; -import java.util.Map; -import java.util.concurrent.ConcurrentHashMap; -import java.util.concurrent.ConcurrentMap; -import java.util.concurrent.CopyOnWriteArrayList; - -/** - * An index of queues against routing key. Allows multiple queues to be stored - * against the same key. Used in the DestNameExchange. - */ -class Index -{ - private ConcurrentMap<String, List<AMQQueue>> _index - = new ConcurrentHashMap<String, List<AMQQueue>>(); - - boolean add(String key, AMQQueue queue) - { - List<AMQQueue> queues = _index.get(key); - if(queues == null) - { - queues = new CopyOnWriteArrayList<AMQQueue>(); - //next call is atomic, so there is no race to create the list - List<AMQQueue> active = _index.putIfAbsent(key, queues); - if(active != null) - { - //someone added the new one in faster than we did, so use theirs - queues = active; - } - } - if(queues.contains(queue)) - { - return false; - } - else - { - return queues.add(queue); - } - } - - boolean remove(String key, AMQQueue queue) - { - List<AMQQueue> queues = _index.get(key); - if (queues != null) - { - boolean removed = queues.remove(queue); - if (queues.size() == 0) - { - _index.remove(key); - } - return removed; - } - return false; - } - - List<AMQQueue> get(String key) - { - return _index.get(key); - } - - Map<String, List<AMQQueue>> getBindingsMap() - { - return _index; - } -} |