| /* |
| * |
| * 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 java.util.Collection; |
| import java.util.List; |
| import java.util.Set; |
| import java.util.Map; |
| |
| import org.apache.qpid.AMQException; |
| import org.apache.qpid.server.txn.TransactionalContext; |
| import org.apache.qpid.server.queue.QueueEntry; |
| import org.apache.qpid.server.store.StoreContext; |
| |
| public interface UnacknowledgedMessageMap |
| { |
| public interface Visitor |
| { |
| /** |
| * @param deliveryTag |
| *@param message the message being iterated over @return true to stop iteration, false to continue |
| * @throws AMQException |
| */ |
| boolean callback(final long deliveryTag, QueueEntry message) throws AMQException; |
| |
| void visitComplete(); |
| } |
| |
| void visit(Visitor visitor) throws AMQException; |
| |
| void add(long deliveryTag, QueueEntry message); |
| |
| void collect(long deliveryTag, boolean multiple, Map<Long, QueueEntry> msgs); |
| |
| boolean contains(long deliveryTag) throws AMQException; |
| |
| void remove(Map<Long,QueueEntry> msgs); |
| |
| QueueEntry remove(long deliveryTag); |
| |
| public void drainTo(long deliveryTag, StoreContext storeContext) throws AMQException; |
| |
| Collection<QueueEntry> cancelAllMessages(); |
| |
| void acknowledgeMessage(long deliveryTag, boolean multiple, TransactionalContext txnContext) throws AMQException; |
| |
| int size(); |
| |
| void clear(); |
| |
| QueueEntry get(long deliveryTag); |
| |
| /** |
| * Get the set of delivery tags that are outstanding. |
| * |
| * @return a set of delivery tags |
| */ |
| Set<Long> getDeliveryTags(); |
| |
| public long getUnacknowledgeBytes(); |
| } |
| |
| |