diff options
Diffstat (limited to 'M4-RCs/qpid/java/broker/src/main/java/org/apache/qpid/server/ack/UnacknowledgedMessageMapImpl.java')
| -rw-r--r-- | M4-RCs/qpid/java/broker/src/main/java/org/apache/qpid/server/ack/UnacknowledgedMessageMapImpl.java | 232 |
1 files changed, 0 insertions, 232 deletions
diff --git a/M4-RCs/qpid/java/broker/src/main/java/org/apache/qpid/server/ack/UnacknowledgedMessageMapImpl.java b/M4-RCs/qpid/java/broker/src/main/java/org/apache/qpid/server/ack/UnacknowledgedMessageMapImpl.java deleted file mode 100644 index c567387662..0000000000 --- a/M4-RCs/qpid/java/broker/src/main/java/org/apache/qpid/server/ack/UnacknowledgedMessageMapImpl.java +++ /dev/null @@ -1,232 +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.ack; - -import org.apache.qpid.server.store.StoreContext; -import java.util.Collection; -import java.util.Iterator; -import java.util.LinkedHashMap; -import java.util.List; -import java.util.Map; -import java.util.Set; - -import org.apache.qpid.AMQException; -import org.apache.qpid.framing.AMQShortString; -import org.apache.qpid.server.protocol.AMQProtocolSession; -import org.apache.qpid.server.queue.AMQMessage; -import org.apache.qpid.server.queue.QueueEntry; -import org.apache.qpid.server.txn.TransactionalContext; - -public class UnacknowledgedMessageMapImpl implements UnacknowledgedMessageMap -{ - private final Object _lock = new Object(); - - private long _unackedSize; - - private Map<Long, QueueEntry> _map; - - private long _lastDeliveryTag; - - private final int _prefetchLimit; - - public UnacknowledgedMessageMapImpl(int prefetchLimit) - { - _prefetchLimit = prefetchLimit; - _map = new LinkedHashMap<Long, QueueEntry>(prefetchLimit); - } - - public void collect(long deliveryTag, boolean multiple, Map<Long, QueueEntry> msgs) - { - if (multiple) - { - collect(deliveryTag, msgs); - } - else - { - msgs.put(deliveryTag, get(deliveryTag)); - } - - } - - public boolean contains(long deliveryTag) throws AMQException - { - synchronized (_lock) - { - return _map.containsKey(deliveryTag); - } - } - - public void remove(Map<Long,QueueEntry> msgs) - { - synchronized (_lock) - { - for (Long deliveryTag : msgs.keySet()) - { - remove(deliveryTag); - } - } - } - - public QueueEntry remove(long deliveryTag) - { - synchronized (_lock) - { - - QueueEntry message = _map.remove(deliveryTag); - if(message != null) - { - _unackedSize -= message.getMessage().getSize(); - - } - - return message; - } - } - - public void visit(Visitor visitor) throws AMQException - { - synchronized (_lock) - { - Set<Map.Entry<Long, QueueEntry>> currentEntries = _map.entrySet(); - for (Map.Entry<Long, QueueEntry> entry : currentEntries) - { - visitor.callback(entry.getKey().longValue(), entry.getValue()); - } - visitor.visitComplete(); - } - } - - public void add(long deliveryTag, QueueEntry message) - { - synchronized (_lock) - { - _map.put(deliveryTag, message); - _unackedSize += message.getMessage().getSize(); - _lastDeliveryTag = deliveryTag; - } - } - - public Collection<QueueEntry> cancelAllMessages() - { - synchronized (_lock) - { - Collection<QueueEntry> currentEntries = _map.values(); - _map = new LinkedHashMap<Long, QueueEntry>(_prefetchLimit); - _unackedSize = 0l; - return currentEntries; - } - } - - public void acknowledgeMessage(long deliveryTag, boolean multiple, TransactionalContext txnContext) - throws AMQException - { - synchronized (_lock) - { - txnContext.acknowledgeMessage(deliveryTag, _lastDeliveryTag, multiple, this); - } - } - - public int size() - { - synchronized (_lock) - { - return _map.size(); - } - } - - public void clear() - { - synchronized (_lock) - { - _map.clear(); - _unackedSize = 0l; - } - } - - public void drainTo(long deliveryTag, StoreContext storeContext) throws AMQException - - { - synchronized (_lock) - { - Iterator<Map.Entry<Long, QueueEntry>> it = _map.entrySet().iterator(); - while (it.hasNext()) - { - Map.Entry<Long, QueueEntry> unacked = it.next(); - - if (unacked.getKey() > deliveryTag) - { - //This should not occur now. - throw new AMQException("UnacknowledgedMessageMap is out of order:" + unacked.getKey() + - " When deliveryTag is:" + deliveryTag + "ES:" + _map.entrySet().toString()); - } - - //Message has been ack so discard it. This will dequeue and decrement the reference. - unacked.getValue().discard(storeContext); - - it.remove(); - - _unackedSize -= unacked.getValue().getMessage().getSize(); - - - if (unacked.getKey() == deliveryTag) - { - break; - } - } - } - } - - public QueueEntry get(long key) - { - synchronized (_lock) - { - return _map.get(key); - } - } - - public Set<Long> getDeliveryTags() - { - synchronized (_lock) - { - return _map.keySet(); - } - } - - private void collect(long key, Map<Long, QueueEntry> msgs) - { - synchronized (_lock) - { - for (Map.Entry<Long, QueueEntry> entry : _map.entrySet()) - { - msgs.put(entry.getKey(),entry.getValue()); - if (entry.getKey() == key) - { - break; - } - } - } - } - - public long getUnacknowledgeBytes() - { - return _unackedSize; - } -} |