/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.loadtests.gridify;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import org.apache.ignite.IgniteException;
import org.apache.ignite.compute.ComputeJob;
import org.apache.ignite.compute.ComputeJobAdapter;
import org.apache.ignite.compute.ComputeJobResult;
import org.apache.ignite.compute.ComputeTaskSplitAdapter;
import org.apache.ignite.compute.gridify.GridifyArgument;
/**
* Gridify load test task.
*/
public class GridifyLoadTestTask extends ComputeTaskSplitAdapter<GridifyArgument, Integer> {
/** {@inheritDoc} */
@Override protected Collection<? extends ComputeJob> split(int gridSize, GridifyArgument arg) {
assert gridSize > 0 : "Subgrid cannot be empty.";
int jobsNum = (Integer)arg.getMethodParameters()[0];
assert jobsNum > 0;
Collection<ComputeJobAdapter> jobs = new ArrayList<>(gridSize);
for (int i = 0; i < jobsNum; i++)
jobs.add(new ComputeJobAdapter(1) {
@Override public Serializable execute() {
Integer arg = this.<Integer>argument(0);
assert arg != null;
return new GridifyLoadTestJobTarget().executeLoadTestJob(arg);
}
});
return jobs;
}
/** {@inheritDoc} */
@Override public Integer reduce(List<ComputeJobResult> results) {
int retVal = 0;
for (ComputeJobResult res : results) {
if (res.getException() != null) {
throw new IgniteException("Received exception in reduce method (load test jobs can never fail): " + res,
res.getException());
}
retVal += (Integer)res.getData();
}
return retVal;
}
}