diff options
Diffstat (limited to 'M4-RCs/qpid/java/broker/src/main/java/org/apache/qpid/server/store/MemoryMessageStore.java')
-rw-r--r-- | M4-RCs/qpid/java/broker/src/main/java/org/apache/qpid/server/store/MemoryMessageStore.java | 234 |
1 files changed, 0 insertions, 234 deletions
diff --git a/M4-RCs/qpid/java/broker/src/main/java/org/apache/qpid/server/store/MemoryMessageStore.java b/M4-RCs/qpid/java/broker/src/main/java/org/apache/qpid/server/store/MemoryMessageStore.java deleted file mode 100644 index 587c85fc12..0000000000 --- a/M4-RCs/qpid/java/broker/src/main/java/org/apache/qpid/server/store/MemoryMessageStore.java +++ /dev/null @@ -1,234 +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.store; - -import org.apache.commons.configuration.Configuration; -import org.apache.log4j.Logger; -import org.apache.qpid.AMQException; -import org.apache.qpid.framing.AMQShortString; -import org.apache.qpid.framing.FieldTable; -import org.apache.qpid.framing.abstraction.ContentChunk; -import org.apache.qpid.server.queue.MessageMetaData; -import org.apache.qpid.server.exchange.Exchange; -import org.apache.qpid.server.queue.AMQQueue; -import org.apache.qpid.server.virtualhost.VirtualHost; - -import java.util.ArrayList; -import java.util.Collections; -import java.util.List; -import java.util.concurrent.ConcurrentHashMap; -import java.util.concurrent.ConcurrentMap; -import java.util.concurrent.atomic.AtomicBoolean; -import java.util.concurrent.atomic.AtomicLong; - -/** A simple message store that stores the messages in a threadsafe structure in memory. */ -public class MemoryMessageStore implements MessageStore -{ - private static final Logger _log = Logger.getLogger(MemoryMessageStore.class); - - private static final int DEFAULT_HASHTABLE_CAPACITY = 50000; - - private static final String HASHTABLE_CAPACITY_CONFIG = "hashtable-capacity"; - - protected ConcurrentMap<Long, MessageMetaData> _metaDataMap; - - protected ConcurrentMap<Long, List<ContentChunk>> _contentBodyMap; - - private final AtomicLong _messageId = new AtomicLong(1); - private AtomicBoolean _closed = new AtomicBoolean(false); - - public void configure() - { - _log.info("Using capacity " + DEFAULT_HASHTABLE_CAPACITY + " for hash tables"); - _metaDataMap = new ConcurrentHashMap<Long, MessageMetaData>(DEFAULT_HASHTABLE_CAPACITY); - _contentBodyMap = new ConcurrentHashMap<Long, List<ContentChunk>>(DEFAULT_HASHTABLE_CAPACITY); - } - - public void configure(String base, Configuration config) - { - int hashtableCapacity = config.getInt(base + "." + HASHTABLE_CAPACITY_CONFIG, DEFAULT_HASHTABLE_CAPACITY); - _log.info("Using capacity " + hashtableCapacity + " for hash tables"); - _metaDataMap = new ConcurrentHashMap<Long, MessageMetaData>(hashtableCapacity); - _contentBodyMap = new ConcurrentHashMap<Long, List<ContentChunk>>(hashtableCapacity); - } - - public void configure(VirtualHost virtualHost, String base, Configuration config) throws Exception - { - configure(base, config); - } - - public void close() throws Exception - { - _closed.getAndSet(true); - if (_metaDataMap != null) - { - _metaDataMap.clear(); - _metaDataMap = null; - } - if (_contentBodyMap != null) - { - _contentBodyMap.clear(); - _contentBodyMap = null; - } - } - - public void removeMessage(StoreContext context, Long messageId) throws AMQException - { - checkNotClosed(); - if (_log.isDebugEnabled()) - { - _log.debug("Removing message with id " + messageId); - } - _metaDataMap.remove(messageId); - _contentBodyMap.remove(messageId); - } - - public void createExchange(Exchange exchange) throws AMQException - { - - } - - public void removeExchange(Exchange exchange) throws AMQException - { - - } - - public void bindQueue(Exchange exchange, AMQShortString routingKey, AMQQueue queue, FieldTable args) throws AMQException - { - - } - - public void unbindQueue(Exchange exchange, AMQShortString routingKey, AMQQueue queue, FieldTable args) throws AMQException - { - - } - - - public void createQueue(AMQQueue queue) throws AMQException - { - // Not requred to do anything - } - - public void createQueue(AMQQueue queue, FieldTable arguments) throws AMQException - { - // Not required to do anything - } - - public void removeQueue(final AMQQueue queue) throws AMQException - { - // Not required to do anything - } - - public void enqueueMessage(StoreContext context, final AMQQueue queue, Long messageId) throws AMQException - { - // Not required to do anything - } - - public void dequeueMessage(StoreContext context, final AMQQueue queue, Long messageId) throws AMQException - { - // Not required to do anything - } - - public void beginTran(StoreContext context) throws AMQException - { - // Not required to do anything - } - - public void commitTran(StoreContext context) throws AMQException - { - // Not required to do anything - } - - public void abortTran(StoreContext context) throws AMQException - { - // Not required to do anything - } - - public boolean inTran(StoreContext context) - { - return false; - } - - public List<AMQQueue> createQueues() throws AMQException - { - return null; - } - - public Long getNewMessageId() - { - return _messageId.getAndIncrement(); - } - - public void storeContentBodyChunk(StoreContext context, Long messageId, int index, ContentChunk contentBody, boolean lastContentBody) - throws AMQException - { - checkNotClosed(); - List<ContentChunk> bodyList = _contentBodyMap.get(messageId); - - if (bodyList == null && lastContentBody) - { - _contentBodyMap.put(messageId, Collections.singletonList(contentBody)); - } - else - { - if (bodyList == null) - { - bodyList = new ArrayList<ContentChunk>(); - _contentBodyMap.put(messageId, bodyList); - } - - bodyList.add(index, contentBody); - } - } - - public void storeMessageMetaData(StoreContext context, Long messageId, MessageMetaData messageMetaData) - throws AMQException - { - checkNotClosed(); - _metaDataMap.put(messageId, messageMetaData); - } - - public MessageMetaData getMessageMetaData(StoreContext context, Long messageId) throws AMQException - { - checkNotClosed(); - return _metaDataMap.get(messageId); - } - - public ContentChunk getContentBodyChunk(StoreContext context, Long messageId, int index) throws AMQException - { - checkNotClosed(); - List<ContentChunk> bodyList = _contentBodyMap.get(messageId); - return bodyList.get(index); - } - - public boolean isPersistent() - { - return false; - } - - private void checkNotClosed() throws MessageStoreClosedException - { - if (_closed.get()) - { - throw new MessageStoreClosedException(); - } - } -} |