broker-core/src/test/java/org/apache/qpid/server/store/TestMemoryMessageStore.java

/*
 *
 * 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 java.util.concurrent.atomic.AtomicInteger;

import org.apache.qpid.server.store.handler.MessageHandler;


/**
 * A simple message store that stores the messages in a thread-safe structure in memory.
 */
public class TestMemoryMessageStore extends MemoryMessageStore
{
    public static final String TYPE = "TestMemory";

    public int getMessageCount()
    {
        final AtomicInteger counter = new AtomicInteger();
        newMessageStoreReader().visitMessages(new MessageHandler()
                        {
                            @Override
                            public boolean handle(StoredMessage<?> storedMessage)
                            {
                                counter.incrementAndGet();
                                return true;
                            }
                        });
        return counter.get();
    }

}