/**
* 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.s4.benchmark.dag;
import java.io.File;
import java.util.List;
import java.util.concurrent.TimeUnit;
import org.apache.s4.base.Event;
import org.apache.s4.base.KeyFinder;
import org.apache.s4.comm.topology.ZkClient;
import org.apache.s4.core.App;
import org.apache.s4.core.Stream;
import com.google.common.collect.ImmutableList;
import com.google.inject.Inject;
import com.google.inject.name.Named;
import com.yammer.metrics.reporting.ConsoleReporter;
import com.yammer.metrics.reporting.CsvReporter;
public class DagApp extends App {
@Inject
@Named("s4.cluster.zk_address")
String zkString;
@Override
protected void onStart() {
// TODO Auto-generated method stub
}
@Override
protected void onInit() {
File logDirectory = new File(System.getProperty("user.dir") + "/measurements/node"
+ getReceiver().getPartitionId());
if (!logDirectory.exists()) {
if (!logDirectory.mkdirs()) {
throw new RuntimeException("Cannot create log dir " + logDirectory.getAbsolutePath());
}
}
CsvReporter.enable(logDirectory, 10, TimeUnit.SECONDS);
ConsoleReporter.enable(10, TimeUnit.SECONDS);
FirstPE inputPE = createPE(FirstPE.class, "firstPE");
ZkClient zkClient = new ZkClient(zkString);
zkClient.waitUntilExists("/benchmarkConfig/warmupIterations", TimeUnit.SECONDS, 60);
// TODO fix hardcoded cluster name (pass injector config?)
int nbInjectors = zkClient.countChildren("/s4/clusters/testCluster1/tasks");
createInputStream("inputStream", new KeyFinder<Event>() {
@Override
public List<String> get(Event event) {
return ImmutableList.of(String.valueOf(event.get("key")));
}
}, inputPE).setParallelism(1);
PipePE pe1 = createPE(PipePE.class, "pe1");
Stream<Event> pipe = createStream("firstPE->pe1", new KeyFinder<Event>() {
@Override
public List<String> get(Event event) {
return ImmutableList.of(String.valueOf(event.get("key")));
}
}, pe1).setParallelism(1);
inputPE.setDownstream(pipe);
PipePE pe2 = addPipePE(pe1, "pe1", "pe2");
PipePE pe3 = addPipePE(pe2, "pe2", "pe3");
PipePE pe4 = addPipePE(pe3, "pe3", "pe4");
PipePE pe5 = addPipePE(pe4, "pe4", "pe5");
PipePE pe6 = addPipePE(pe5, "pe5", "pe6");
PipePE pe7 = addPipePE(pe6, "pe6", "pe7");
PipePE pe8 = addPipePE(pe7, "pe7", "pe8");
PipePE pe9 = addPipePE(pe8, "pe8", "pe9");
LastPE endPE = createPE(LastPE.class, "endPE");
Stream<Event> endStream = createStream("pe9->endPE", endPE);
pe9.setDownstream(endStream);
}
private PipePE addPipePE(PipePE upstreamPE, String upstreamPEName, String peName) {
PipePE pe = createPE(PipePE.class, peName);
Stream<Event> pipe = createStream(upstreamPEName + "->" + peName, new KeyFinder<Event>() {
@Override
public List<String> get(Event event) {
return ImmutableList.of(String.valueOf(event.get("key")));
}
}, pe).setParallelism(1);
upstreamPE.setDownstream(pipe);
return pe;
}
@Override
protected void onClose() {
// TODO Auto-generated method stub
}
public String getZkString() {
return zkString;
}
}