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ActiveMQ example source code file (AbstractMessageStore.java)
The ActiveMQ AbstractMessageStore.java source code/** * 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.activemq.store; import java.io.IOException; import java.util.concurrent.Callable; import java.util.concurrent.Future; import java.util.concurrent.FutureTask; import org.apache.activemq.broker.ConnectionContext; import org.apache.activemq.command.ActiveMQDestination; import org.apache.activemq.command.Message; import org.apache.activemq.command.MessageAck; import org.apache.activemq.command.MessageId; import org.apache.activemq.usage.MemoryUsage; abstract public class AbstractMessageStore implements MessageStore { public static final FutureTask<Object> FUTURE; protected final ActiveMQDestination destination; protected boolean prioritizedMessages; public AbstractMessageStore(ActiveMQDestination destination) { this.destination = destination; } public void dispose(ConnectionContext context) { } public void start() throws Exception { } public void stop() throws Exception { } public ActiveMQDestination getDestination() { return destination; } public void setMemoryUsage(MemoryUsage memoryUsage) { } public void setBatch(MessageId messageId) throws IOException, Exception { } /** * flag to indicate if the store is empty * * @return true if the message count is 0 * @throws Exception */ public boolean isEmpty() throws Exception { return getMessageCount() == 0; } public void setPrioritizedMessages(boolean prioritizedMessages) { this.prioritizedMessages = prioritizedMessages; } public boolean isPrioritizedMessages() { return this.prioritizedMessages; } public Future<Object> asyncAddQueueMessage(final ConnectionContext context, final Message message) throws IOException { addMessage(context, message); return FUTURE; } public Future<Object> asyncAddTopicMessage(final ConnectionContext context, final Message message) throws IOException { addMessage(context, message); return FUTURE; } public void removeAsyncMessage(ConnectionContext context, MessageAck ack) throws IOException { removeMessage(context, ack); } static class CallableImplementation implements Callable<Object> { public Object call() throws Exception { return null; } } static { FUTURE = new FutureTask<Object>(new CallableImplementation()); FUTURE.run(); } } Other ActiveMQ examples (source code examples)Here is a short list of links related to this ActiveMQ AbstractMessageStore.java source code file: |
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