org.deeplearning4j.scaleout.statetracker.hazelcast.IterateAndUpdateImpl Maven / Gradle / Ivy
/*
*
* * 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.statetracker.hazelcast;
import org.deeplearning4j.scaleout.aggregator.JobAggregator;
import org.deeplearning4j.scaleout.job.Job;
import org.deeplearning4j.scaleout.api.statetracker.IterateAndUpdate;
import org.deeplearning4j.scaleout.api.statetracker.UpdateSaver;
import java.util.Collection;
/**
* This takes in the accumulator, the update saver, and the ids of
* the workers and handles iterating and loading over each one of them at a time.
* @author Adam Gibson
*/
public class IterateAndUpdateImpl implements IterateAndUpdate {
private JobAggregator accumulator;
private UpdateSaver updateSaver;
private Collection ids;
public IterateAndUpdateImpl(JobAggregator accumulator, UpdateSaver updateSaver, Collection ids) {
this.accumulator = accumulator;
this.updateSaver = updateSaver;
this.ids = ids;
}
/**
* The accumulated result
*
* @return the accumulated result
*/
@Override
public Job accumulated() {
return accumulator.aggregate();
}
@Override
public void accumulate() throws Exception {
for(String s : ids) {
Job j = updateSaver.load(s);
if(j == null)
continue;
accumulator.accumulate(j);
}
}
}