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/*
 * Copyright © 2016-2017 European Support Limited
 *
 * 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.
 */

package org.openecomp.sdc.logging.slf4j;

import java.util.Map;
import java.util.concurrent.Callable;

/**
 * @author EVITALIY
 * @since 08 Jan 18
 */
class MDCCallableWrapper<V> extends BaseMDCCopyingWrapper implements Callable<V> {

    private final Callable<V> task;

    MDCCallableWrapper(Callable<V> task) {
        super();
        this.task = task;
    }

    @Override
    public V call() throws Exception {

        Map<String, String> oldContext = replace();

        try {
            return task.call();
        } finally {
            revert(oldContext);
        }
    }
}