AbstractAsyncDao.java

/**
 * Copyright © 2016-2017 The Thingsboard Authors
 *
 * 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.thingsboard.server.dao;

import javax.annotation.PostConstruct;
import javax.annotation.PreDestroy;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

/**
 * Created by ashvayka on 21.02.17.
 */
public abstract class AbstractAsyncDao extends AbstractDao {

    protected ExecutorService readResultsProcessingExecutor;

    @PostConstruct
    public void startExecutor() {
        readResultsProcessingExecutor = Executors.newCachedThreadPool();
    }

    @PreDestroy
    public void stopExecutor() {
        if (readResultsProcessingExecutor != null) {
            readResultsProcessingExecutor.shutdownNow();
        }
    }

}