use of org.apache.heron.api.spout.SpoutOutputCollector in project heron by twitter.
the class TopologyTests method createTopologyWithConnection.
/**
* Create Topology proto object using HeronSubmitter API.
*
* @param heronConfig desired config params.
* @param spouts spoutName -> parallelism
* @param bolts boltName -> parallelism
* @param connections connect default stream from value to key.
* @return topology proto.
*/
public static TopologyAPI.Topology createTopologyWithConnection(String topologyName, Config heronConfig, Map<String, Integer> spouts, Map<String, Integer> bolts, Map<String, String> connections) {
TopologyBuilder builder = new TopologyBuilder();
BaseRichSpout baseSpout = new BaseRichSpout() {
private static final long serialVersionUID = -719523487475322625L;
public void declareOutputFields(OutputFieldsDeclarer declarer) {
declarer.declare(new Fields("field1"));
}
public void open(Map<String, Object> conf, TopologyContext context, SpoutOutputCollector collector) {
}
public void nextTuple() {
}
};
BaseBasicBolt basicBolt = new BaseBasicBolt() {
private static final long serialVersionUID = 2544765902130713628L;
public void execute(Tuple input, BasicOutputCollector collector) {
}
public void declareOutputFields(OutputFieldsDeclarer declarer) {
}
};
for (String spout : spouts.keySet()) {
builder.setSpout(spout, baseSpout, spouts.get(spout));
}
for (String bolt : bolts.keySet()) {
BoltDeclarer boltDeclarer = builder.setBolt(bolt, basicBolt, bolts.get(bolt));
if (connections.containsKey(bolt)) {
boltDeclarer.shuffleGrouping(connections.get(bolt));
}
}
HeronTopology heronTopology = builder.createTopology();
return heronTopology.setName(topologyName).setConfig(heronConfig).setState(TopologyAPI.TopologyState.RUNNING).getTopology();
}
use of org.apache.heron.api.spout.SpoutOutputCollector in project heron by twitter.
the class TopologyManagerTest method getTestTopology.
/**
* Construct the test topology
*/
public static TopologyAPI.Topology getTestTopology() {
TopologyBuilder topologyBuilder = new TopologyBuilder();
topologyBuilder.setSpout(STREAM_ID, new BaseRichSpout() {
private static final long serialVersionUID = 5406114907377311020L;
@Override
public void declareOutputFields(OutputFieldsDeclarer outputFieldsDeclarer) {
outputFieldsDeclarer.declare(new Fields(STREAM_ID));
}
@Override
public void open(Map<String, Object> map, TopologyContext topologyContext, SpoutOutputCollector spoutOutputCollector) {
}
@Override
public void nextTuple() {
}
}, 2);
topologyBuilder.setBolt(BOLT_ID, new BaseBasicBolt() {
private static final long serialVersionUID = 4398578755681473899L;
@Override
public void execute(Tuple tuple, BasicOutputCollector basicOutputCollector) {
}
@Override
public void declareOutputFields(OutputFieldsDeclarer outputFieldsDeclarer) {
}
}, 2).shuffleGrouping(STREAM_ID);
Config conf = new Config();
conf.setDebug(true);
conf.setMaxSpoutPending(10);
conf.put(Config.TOPOLOGY_WORKER_CHILDOPTS, "-XX:+HeapDumpOnOutOfMemoryError");
conf.setComponentRam(STREAM_ID, ByteAmount.fromMegabytes(500));
conf.setComponentRam(BOLT_ID, ByteAmount.fromGigabytes(1));
conf.setMessageTimeoutSecs(1);
return topologyBuilder.createTopology().setName("topology-name").setConfig(conf).setState(TopologyAPI.TopologyState.RUNNING).getTopology();
}
use of org.apache.heron.api.spout.SpoutOutputCollector in project heron by twitter.
the class SpoutInstance method init.
@SuppressWarnings("unchecked")
@Override
public void init(State<Serializable, Serializable> state) {
TopologyContextImpl topologyContext = helper.getTopologyContext();
// Initialize the GlobalMetrics
GlobalMetrics.init(topologyContext, systemConfig.getHeronMetricsExportInterval());
spoutMetrics.registerMetrics(topologyContext);
// Initialize the instanceState if the topology is stateful and spout is a stateful component
if (isTopologyStateful && spout instanceof IStatefulComponent) {
this.instanceState = state;
((IStatefulComponent<Serializable, Serializable>) spout).initState(instanceState);
if (spillState) {
if (FileUtils.isDirectoryExists(spillStateLocation)) {
FileUtils.cleanDir(spillStateLocation);
} else {
FileUtils.createDirectory(spillStateLocation);
}
}
}
spout.open(topologyContext.getTopologyConfig(), topologyContext, new SpoutOutputCollector(collector));
// Invoke user-defined prepare task hook
topologyContext.invokeHookPrepare();
// Init the CustomStreamGrouping
helper.prepareForCustomStreamGrouping();
}
use of org.apache.heron.api.spout.SpoutOutputCollector in project heron by twitter.
the class LaunchRunnerTest method createTopology.
public static TopologyAPI.Topology createTopology(org.apache.heron.api.Config heronConfig) {
TopologyBuilder builder = new TopologyBuilder();
builder.setSpout("spout-1", new BaseRichSpout() {
private static final long serialVersionUID = -762965195665496156L;
public void declareOutputFields(OutputFieldsDeclarer declarer) {
}
public void open(Map<String, Object> conf, TopologyContext context, SpoutOutputCollector collector) {
}
public void nextTuple() {
}
}, 2);
builder.setBolt("bolt-1", new BaseBasicBolt() {
private static final long serialVersionUID = -5738458486388778812L;
public void execute(Tuple input, BasicOutputCollector collector) {
}
public void declareOutputFields(OutputFieldsDeclarer declarer) {
}
}, 1);
HeronTopology heronTopology = builder.createTopology();
return heronTopology.setName(TOPOLOGY_NAME).setConfig(heronConfig).setState(TopologyAPI.TopologyState.RUNNING).getTopology();
}
use of org.apache.heron.api.spout.SpoutOutputCollector in project heron by twitter.
the class IntegrationTestSpout method open.
@Override
public void open(Map<String, Object> map, TopologyContext topologyContext, SpoutOutputCollector outputCollector) {
// Here the spoutOutputCollector should be a default one
// to emit tuples without adding MessageId
this.spoutOutputCollector = outputCollector;
delegateSpout.open(map, new TestTopologyContext(topologyContext), new SpoutOutputCollector(new IntegrationTestSpoutCollector(outputCollector)));
}
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