/**
* Copyright 2008-2010 Grid Dynamics Consulting Services, 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 com.griddynamics.gridkit.coherence.patterns.functor.benchmark;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Set;
import java.util.concurrent.TimeUnit;
import com.griddynamics.gridkit.coherence.patterns.benchmark.Dispatcher;
import com.griddynamics.gridkit.coherence.patterns.benchmark.SimpleContext;
import com.griddynamics.gridkit.coherence.patterns.benchmark.executionmark.FunctorExecutionMark;
import com.griddynamics.gridkit.coherence.patterns.benchmark.stats.Accamulator;
import com.griddynamics.gridkit.coherence.patterns.benchmark.stats.InvocationServiceStats;
import com.oracle.coherence.common.identifiers.Identifier;
import com.tangosol.net.Invocable;
import com.tangosol.net.Member;
public class FunctorBenchmarkDispatcher extends Dispatcher<FunctorExecutionMark,
InvocationServiceStats<FunctorBenchmarkStats>,
FunctorBenchmarkParams>
{
protected final PatternFacade facade;
protected Invocable invocableWorker;
public FunctorBenchmarkDispatcher(Set<Member> members, PatternFacade facade)
{
super(members,facade.getInvocationService());
this.facade = facade;
}
@Override
protected void prepare(FunctorBenchmarkParams benchmarkParams) throws Exception
{
Identifier[] contexts = new Identifier[benchmarkParams.getContextsCount()];
for(int i=0; i < contexts.length; ++i)
{
contexts[i] = facade.registerContext("ctx-" + i, new SimpleContext("ctx-" + i));
}
invocableWorker = new FunctorBenchmarkWorker(benchmarkParams, contexts);
}
protected void calculateExecutionStatistics()
{
dispatcherResult.setJavaMsStats(calculateExecutionStatisticsInternal(new FunctorExecutionMark.JavaMsExtractor()));
dispatcherResult.setJavaNsStats(calculateExecutionStatisticsInternal(new FunctorExecutionMark.JavaNsExtractor()));
dispatcherResult.setCoherenceMsStats(calculateExecutionStatisticsInternal(new FunctorExecutionMark.CoherenceMsExtractor()));
dispatcherResult.setExecutionMarksProcessed(getDispatcherResultSise());
}
protected FunctorBenchmarkStats calculateExecutionStatisticsInternal(FunctorExecutionMark.FunctorExecutionMarkTimeExtractor te)
{
Accamulator startTime = new Accamulator();
Accamulator returnTime = new Accamulator();
Accamulator sumbitLatency = new Accamulator();
Accamulator returnLatency = new Accamulator();
int n = 0;
for (Collection<FunctorExecutionMark> l : workersResult)
{
for(FunctorExecutionMark m : l)
{
n++;
startTime.add(te.getSendTime(m));
returnTime.add(te.getReturnTime(m));
sumbitLatency.add(te.getReceiveTime(m) - te.getSendTime(m));
returnLatency.add(te.getReturnTime(m) - te.getSendTime(m));
}
}
FunctorBenchmarkStats res = new FunctorBenchmarkStats();
res.totalTime = (returnTime.getMax() - startTime.getMin()) / TimeUnit.SECONDS.toMillis(1);
res.throughput = n / res.totalTime;
res.averageSumbitLatency = sumbitLatency.getMean();
res.averageReturnLatency = returnLatency.getMean();
res.sumbitLatencyVariance = sumbitLatency.getVariance();
res.returnLatencyVariance = returnLatency.getVariance();
res.maxSumbitLatency = sumbitLatency.getMax();
res.maxReturnLatency = returnLatency.getMax();
res.minSumbitLatency = sumbitLatency.getMin();
res.minReturnLatency = returnLatency.getMin();
return res;
}
@Override
protected Invocable getInvocableWorker()
{
return invocableWorker;
}
@Override
protected InvocationServiceStats<FunctorBenchmarkStats> createDispatcherResult()
{
return new InvocationServiceStats<FunctorBenchmarkStats>();
}
@Override
protected List<Collection<FunctorExecutionMark>> createWorkersResult()
{
return new ArrayList<Collection<FunctorExecutionMark>>();
}
}