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/*******************************************************************************
* ============LICENSE_START=======================================================
* org.onap.dmaap
* ================================================================================
* Copyright © 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Licensed 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.
* ============LICENSE_END=========================================================
*
* ECOMP is a trademark and service mark of AT&T Intellectual Property.
*
*******************************************************************************/
package com.att.nsa.mr.client;
import java.io.IOException;
import java.util.List;
import java.util.concurrent.TimeUnit;
import com.att.nsa.mr.client.response.MRPublisherResponse;
/**
* A MR batching publisher is a publisher with additional functionality
* for managing delayed sends.
*
* @author author
*
*/
public interface MRBatchingPublisher extends MRPublisher
{
/**
* Get the number of messages that have not yet been sent.
* @return the number of pending messages
*/
int getPendingMessageCount ();
/**
* Close this publisher, sending any remaining messages.
* @param timeout an amount of time to wait for unsent messages to be sent
* @param timeoutUnits the time unit for the timeout arg
* @return a list of any unsent messages after the timeout
* @throws IOException exception
* @throws InterruptedException exception
*/
List<message> close ( long timeout, TimeUnit timeoutUnits ) throws IOException, InterruptedException;
MRPublisherResponse sendBatchWithResponse ();
}
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