de.ks.launch.AsciiDocService.java Source code

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Here is the source code for de.ks.launch.AsciiDocService.java

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/*
 * Copyright [2014] [Christian Loehnert, krampenschiesser@gmail.com]
 * 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 de.ks.launch;

import com.google.common.util.concurrent.ThreadFactoryBuilder;
import de.ks.text.AsciiDocMetaData;
import de.ks.text.AsciiDocParser;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.concurrent.*;

public class AsciiDocService extends Service {
    private static final Logger log = LoggerFactory.getLogger(AsciiDocService.class);
    protected final ExecutorService executorService = new ThreadPoolExecutor(0, 1, 100, TimeUnit.MILLISECONDS,
            new LinkedBlockingQueue<>(), new ThreadFactoryBuilder().setDaemon(true).build());
    private Future<AsciiDocParser> asciiDocParserFuture;

    @Override
    protected void doStart() {
        asciiDocParserFuture = executorService.submit(AsciiDocParser::new);
    }

    public AsciiDocParser getAsciiDocParser() {
        new AsciiDocMetaData().extract();
        try {
            return asciiDocParserFuture.get();
        } catch (InterruptedException | ExecutionException e) {
            log.error("Could not load asciiDocParser", e);
            throw new RuntimeException(e);
        }
    }

    @Override
    protected void doStop() {
        executorService.shutdownNow();
        try {
            executorService.awaitTermination(5, TimeUnit.SECONDS);
        } catch (InterruptedException e) {
            log.error("Could not stop executor service");
        }
    }
}