org.statefulj.concurrency.ConcurrencyRunner.java Source code

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Here is the source code for org.statefulj.concurrency.ConcurrencyRunner.java

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/***
 * 
 * Copyright 2014 Andrew Hall
 *
 * 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.statefulj.concurrency;

import javax.annotation.Resource;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.boot.CommandLineRunner;
import org.springframework.stereotype.Component;

@Component
public class ConcurrencyRunner implements CommandLineRunner {

    private final static Logger logger = LoggerFactory.getLogger(ConcurrencyRunner.class);

    @Resource
    private SafeValueDocument safeValueDocument;

    @Resource
    private UnsafeValueDocument unsafeValueDocument;

    @Resource
    private SafeValueDocumentRepository safeValueRepository;

    @Resource
    private UnsafeValueDocumentRepository unsafeValueRepository;

    @Override
    public void run(String... args) throws Exception {

        unsafeValueRepository.save(unsafeValueDocument);

        logger.debug("+----------------------------------------------+");
        logger.debug("|                                              |");
        logger.debug("|            Start Demo                        |");
        logger.debug("|                                              |");
        logger.debug("+----------------------------------------------+");
        logger.debug("");

        Runnable runnable = new Runnable() {

            @Override
            public void run() {
                for (int i = 0; i < 150; i++) {
                    unsafeValueDocument.increment();
                }
            }
        };

        Thread t1 = new Thread(runnable);
        Thread t2 = new Thread(runnable);
        Thread t3 = new Thread(runnable);
        t1.start();
        t2.start();
        t3.start();
        t1.join();
        t2.join();
        t3.join();

        logger.debug("Value=" + this.unsafeValueRepository.findOne(unsafeValueDocument.getId()).getValue());

        safeValueRepository.save(safeValueDocument);

        runnable = new Runnable() {

            @Override
            public void run() {
                for (int i = 0; i < 150; i++) {
                    safeValueDocument.increment();
                }
            }
        };

        t1 = new Thread(runnable);
        t2 = new Thread(runnable);
        t3 = new Thread(runnable);
        t1.start();
        t2.start();
        t3.start();
        t1.join();
        t2.join();
        t3.join();

        logger.debug("Value=" + this.safeValueRepository.findOne(safeValueDocument.getId()).getValue());

        logger.debug("");
        logger.debug("+----------------------------------------------+");
        logger.debug("|                                              |");
        logger.debug("|            End Demo                          |");
        logger.debug("|                                              |");
        logger.debug("+----------------------------------------------+");
    }

}