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The ActiveMQ Message Broker and Client implementations
/**
* 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;
import javax.jms.MessageConsumer;
/**
* A listener which is notified if a message is available for processing via the
* receive methods. Typically on receiving this notification you can call
* {@link MessageConsumer#receiveNoWait()} to get the new message immediately.
*
* Note that this notification just indicates a message is available for synchronous consumption,
* it does not actually consume the message.
*
* @version $Revision: 1.1 $
*/
public interface MessageAvailableListener {
void onMessageAvailable(MessageConsumer consumer);
}