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Java example source code file (BaseTestDistributed.java)

This example Java source code file (BaseTestDistributed.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

basetestdistributed, configuration, deeplearning4jdistributed, exception, file, hazelcaststatetracker, jobiterator, statetracker, string

The BaseTestDistributed.java Java example source code

/*
 *
 *  * Copyright 2015 Skymind,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 org.deeplearning4j.scaleout.testsupport;

import org.canova.api.conf.Configuration;
import org.deeplearning4j.scaleout.actor.runner.DeepLearning4jDistributed;
import org.deeplearning4j.scaleout.job.JobIterator;
import org.deeplearning4j.scaleout.perform.WorkerPerformerFactory;
import org.deeplearning4j.scaleout.api.statetracker.StateTracker;
import org.deeplearning4j.scaleout.statetracker.hazelcast.HazelCastStateTracker;

import java.io.File;

/**
 * Baseline test support for testing a distributed app
 * @author Adam Gibson
 */
public abstract class BaseTestDistributed {
    protected JobIterator iterator;
    protected DeepLearning4jDistributed distributed;
    protected StateTracker stateTracker;
    protected String workPerformFactoryClassName;
    private Configuration conf;

    public void init() throws Exception {
        if(stateTracker != null) {
            stateTracker.finish();
            stateTracker.shutdown();
        }
        stateTracker = createStateTracker();
        iterator = createIterator();
        workPerformFactoryClassName = workPerformFactoryClassName();
        conf = createConfiguration();
        distributed = new DeepLearning4jDistributed(iterator,stateTracker);
        distributed.setup(conf);

    }


    public void tearDown() throws Exception {
      if(stateTracker != null) {
          stateTracker.finish();
          stateTracker.shutdown();
          distributed.shutdown();
      }

        if(new File("model-saver").exists())
            new File("model-saver").delete();
        Thread.sleep(10000);
    }


    public  Configuration createConfiguration() {
        Configuration conf = new Configuration();
        conf.set(WorkerPerformerFactory.WORKER_PERFORMER, workPerformFactoryClassName);
        return conf;
    }

    public StateTracker createStateTracker() throws  Exception {
        if(stateTracker != null) {
            stateTracker.finish();
            stateTracker.shutdown();
        }
        return new HazelCastStateTracker();
    }


    /**
     * Name of the work performer class
     * @return
     */
    public abstract String workPerformFactoryClassName();


    /**
     *
     * @return
     */
    public abstract JobIterator createIterator();


}

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