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/**
* ============LICENSE_START=======================================================
* org.onap.aai
* ================================================================================
* Copyright © 2017-2018 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.onap.aai.concurrent;
import java.util.Map;
import java.util.concurrent.Callable;
import org.slf4j.MDC;
/**
* The Class AaiCallable ensures that the Callable gets a copy of the MDC, so that any logging related fields are
* preserved
*/
public abstract class AaiCallable<T> implements Callable<T> {
private Map<String, String> mdcCopy;
/**
* The constructor.
*/
@SuppressWarnings("unchecked")
public AaiCallable() {
mdcCopy = MDC.getCopyOfContextMap();
}
/**
* The call method
*/
public T call() throws Exception {
MDC.setContextMap(mdcCopy);
return process();
}
/**
* The process method
*/
public abstract T process() throws Exception;
}
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