org.icgc.dcc.release.client.config.WorkflowConfig.java Source code

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Here is the source code for org.icgc.dcc.release.client.config.WorkflowConfig.java

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/*
 * Copyright (c) 2015 The Ontario Institute for Cancer Research. All rights reserved.                             
 *                                                                                                               
 * This program and the accompanying materials are made available under the terms of the GNU Public License v3.0.
 * You should have received a copy of the GNU General Public License along with                                  
 * this program. If not, see <http://www.gnu.org/licenses/>.                                                     
 *                                                                                                               
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY                           
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES                          
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT                           
 * SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,                                
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED                          
 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;                               
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER                              
 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN                         
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package org.icgc.dcc.release.client.config;

import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

import org.apache.hadoop.fs.FileSystem;
import org.apache.spark.api.java.JavaSparkContext;
import org.icgc.dcc.release.core.task.TaskExecutor;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Lazy;

import com.google.common.util.concurrent.MoreExecutors;

/**
 * Application level configuration.
 * <p>
 * See Spring annotation documentation for details.
 */
@Lazy
@Configuration
public class WorkflowConfig {

    @Bean
    public ExecutorService executorService(@Value("${workflow.parallel}") boolean parallel) {
        if (parallel) {
            // Many threads: spawned
            return Executors.newCachedThreadPool();
        } else {
            // Only one thread: main
            return MoreExecutors.sameThreadExecutor();
        }
    }

    @Bean
    public TaskExecutor taskExecutor(ExecutorService executor, JavaSparkContext sparkContext,
            FileSystem fileSystem) {
        return new TaskExecutor(executor, sparkContext, fileSystem);
    }

}