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/*
* ===============================LICENSE_START======================================
* dcae-analytics
* ================================================================================
* 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===========================================
*/
package org.openecomp.dcae.apod.analytics.common.service.processor;
import java.io.Serializable;
import java.util.List;
/**
* <p>
* A Processor Context is used a an input and output to a {@link MessageProcessor}
* <br>
* DCAE Analytics sub projects should extend this interface and add specific fields
* required for input and output
* </p>
*
* @author Rajiv Singla . Creation Date: 11/7/2016.
*/
public interface ProcessorContext extends Serializable {
/**
* Returns Processor Context message that will be processed by Chain of Processors
*
* @return message that need to be processed by processors
*/
String getMessage();
/**
* Processing Context flag which determines if Processing can continue in a processing
* chain
*
* @return true if ok to continue processing normally
*/
boolean canProcessingContinue();
/**
* Sets new value for ProcessingContinue flag which will cause early termination of processing in chain if
* set to false
*
* @param canProcessingContinue set new value for canProcessing Continue flag
*/
void setProcessingContinueFlag(boolean canProcessingContinue);
/**
* Provides a List of previous processors which have completed processing
*
* @return list of previous processors
*/
List<? super MessageProcessor<? extends ProcessorContext>> getMessageProcessors();
}
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