co.cask.cdap.filetailer.AbstractWorker.java Source code

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Here is the source code for co.cask.cdap.filetailer.AbstractWorker.java

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/*
 * Copyright  2014 Cask Data, Inc.
 *
 * 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 co.cask.cdap.filetailer;

import com.google.common.util.concurrent.AbstractExecutionThreadService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * AbstractWorker for sink, tailer worker and metrics processor
 */
public abstract class AbstractWorker extends AbstractExecutionThreadService {

    private static final Logger LOG = LoggerFactory.getLogger(AbstractWorker.class);

    @Override
    protected void startUp() {
        LOG.info("Starting service; service state: {}", state().toString());
    }

    @Override
    protected void triggerShutdown() {
        LOG.info("Stopping service; service state: {}", state().toString());
    }
}