Java StreamExecutionEnvironment.execute方法代碼示例

import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment; //導入方法依賴的package包/類
public static void main(String[] args) throws Exception {
    // set up the execution environment
    final StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();

    Properties props = new Properties();
    props.setProperty(TwitterSource.CONSUMER_KEY, "...");
    props.setProperty(TwitterSource.CONSUMER_SECRET, "...");
    props.setProperty(TwitterSource.TOKEN, "...");
    props.setProperty(TwitterSource.TOKEN_SECRET, "...");

    env.addSource(new TwitterSource(props))
        .flatMap(new ExtractHashTags())
        .keyBy(0)
        .timeWindow(Time.seconds(30))
        .sum(1)
        .filter(new FilterHashTags())
        .timeWindowAll(Time.seconds(30))
        .apply(new GetTopHashTag())
        .print();

    env.execute();
}
 

import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment; //導入方法依賴的package包/類
public static void main(String[] args) throws Exception {
	StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();

	Properties properties = new Properties();
	properties.setProperty("bootstrap.servers", "localhost:9092");
	properties.setProperty("group.id", "test");

	DataStream<TemperatureEvent> inputEventStream = env.addSource(
			new FlinkKafkaConsumer09<TemperatureEvent>("test", new EventDeserializationSchema(), properties));

	Pattern<TemperatureEvent, ?> warningPattern = Pattern.<TemperatureEvent> begin("first")
			.subtype(TemperatureEvent.class).where(new FilterFunction<TemperatureEvent>() {
				private static final long serialVersionUID = 1L;

				public boolean filter(TemperatureEvent value) {
					if (value.getTemperature() >= 26.0) {
						return true;
					}
					return false;
				}
			}).within(Time.seconds(10));

	DataStream<Alert> patternStream = CEP.pattern(inputEventStream, warningPattern)
			.select(new PatternSelectFunction<TemperatureEvent, Alert>() {
				private static final long serialVersionUID = 1L;

				public Alert select(Map<String, TemperatureEvent> event) throws Exception {

					return new Alert("Temperature Rise Detected:" + event.get("first").getTemperature()
							+ " on machine name:" + event.get("first").getMachineName());
				}

			});

	patternStream.print();
	env.execute("CEP on Temperature Sensor");
}
 

import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment; //導入方法依賴的package包/類
public static void main(String[] args) throws Exception {

        final StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();
        env.setParallelism(4);

        final Hashtable<String, String> jmsEnv = new Hashtable<>();
        jmsEnv.put(InitialContext.INITIAL_CONTEXT_FACTORY, "com.solacesystems.jndi.SolJNDIInitialContextFactory");
        jmsEnv.put(InitialContext.PROVIDER_URL, "smf://192.168.56.101");
        jmsEnv.put(Context.SECURITY_PRINCIPAL, "[email protected]_vpn");
        jmsEnv.put(Context.SECURITY_CREDENTIALS, "password");

        env.addSource(new JMSTopicSource<String>(jmsEnv,
                "flink_cf",
                "flink/topic",
                new JMSTextTranslator()))
                .print();

        env.execute();
    }
 

import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment; //導入方法依賴的package包/類
public static void main(String... args) throws Exception {

        final StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();
        DataStream<WikipediaEditEvent> edits = env.addSource(new WikipediaEditsSource());

        edits
            .timeWindowAll(Time.minutes(1))
            .apply(new AllWindowFunction<WikipediaEditEvent, Tuple3<Date, Long, Long>, TimeWindow>() {
                @Override
                public void apply(TimeWindow timeWindow, Iterable<WikipediaEditEvent> iterable, Collector<Tuple3<Date, Long, Long>> collector) throws Exception {
                    long count = 0;
                    long bytesChanged = 0;

                    for (WikipediaEditEvent event : iterable) {
                        count++;
                        bytesChanged += event.getByteDiff();
                    }

                    collector.collect(new Tuple3<>(new Date(timeWindow.getEnd()), count, bytesChanged));
                }
            })
            .print();


        env.execute();
    }
 

import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment; //導入方法依賴的package包/類
@SuppressWarnings("Convert2Lambda")
public static void main(String[] args) throws Exception {
    StreamExecutionEnvironment streamExecutionEnvironment = StreamExecutionEnvironment.getExecutionEnvironment();
    DataStream<String> dataStream = streamExecutionEnvironment.readTextFile("file:///tmp/flink-esper-input");
    
    EsperStream<String> esperStream = Esper.pattern(dataStream, "select bytes from String");

    DataStream<String> result = esperStream.select(new EsperSelectFunction<String>() {
        private static final long serialVersionUID = 7093943872082195786L;

        @Override
        public String select(EventBean eventBean) throws Exception {
            return new String((byte[]) eventBean.get("bytes"));
        }
    });

    result.writeAsText("file:///tmp/flink-esper-output");

    streamExecutionEnvironment.execute("Simple Flink Esper Example");
}
 

import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment; //導入方法依賴的package包/類
public static void main(String[] args) throws Exception {
  // set up the execution environment
  final StreamExecutionEnvironment env = new StreamExecutionEnvBuilder().build();

  // Get the json config for parsing the raw input stream
  String parsingConfig = AppUtils.getParsingJsonConfig();

  KeyedStream<Tuple3<String, Long, String>, Tuple> kaydRawMessagesStream =
      setupKayedRawMessagesStream(env, parsingConfig);

  String outputStreamTopicName = configs.getStringProp("inputStreamTopicName");
  double streamDelayScale = configs.getDoubleProp("streamDelayScale");
  Properties producerProps = AppUtils.getKafkaProducerProperties();

  // replay the stream
  kaydRawMessagesStream.map(new StreamPlayer(streamDelayScale, outputStreamTopicName,
      producerProps)).setParallelism(1);

  // execute program
  env.execute("datAcron In-Situ Processing AIS Message Stream Simulator"
      + AppUtils.getAppVersion());
}
 

import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment; //導入方法依賴的package包/類
public static JobExecutionResult tryExecute(StreamExecutionEnvironment see, String name) throws Exception {
	try {
		return see.execute(name);
	}
	catch (ProgramInvocationException | JobExecutionException root) {
		Throwable cause = root.getCause();

		// search for nested SuccessExceptions
		int depth = 0;
		while (!(cause instanceof SuccessException)) {
			if (cause == null || depth++ == 20) {
				root.printStackTrace();
				fail("Test failed: " + root.getMessage());
			}
			else {
				cause = cause.getCause();
			}
		}
	}

	return null;
}
 

import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment; //導入方法依賴的package包/類
/**
 * These check whether timestamps are properly assigned at the sources and handled in
 * network transmission and between chained operators when timestamps are enabled.
 */
@Test
public void testTimestampHandling() throws Exception {
	final int numElements = 10;

	StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();

	env.setStreamTimeCharacteristic(TimeCharacteristic.EventTime);
	env.setParallelism(PARALLELISM);
	env.getConfig().disableSysoutLogging();

	DataStream<Integer> source1 = env.addSource(new MyTimestampSource(0L, numElements));
	DataStream<Integer> source2 = env.addSource(new MyTimestampSource(0L, numElements));

	source1
			.map(new IdentityMap())
			.connect(source2).map(new IdentityCoMap())
			.transform("Custom Operator", BasicTypeInfo.INT_TYPE_INFO, new TimestampCheckingOperator())
			.addSink(new DiscardingSink<Integer>());

	env.execute();
}
 

import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment; //導入方法依賴的package包/類
public static void main(String[] args) throws Exception {
	StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();

	SiteToSiteClientConfig clientConfig = new SiteToSiteClient.Builder()
			.url("http://localhost:8080/nifi")
			.portName("Data for Flink")
			.requestBatchCount(5)
			.buildConfig();

	SourceFunction<NiFiDataPacket> nifiSource = new NiFiSource(clientConfig);
	DataStream<NiFiDataPacket> streamSource = env.addSource(nifiSource).setParallelism(2);

	DataStream<String> dataStream = streamSource.map(new MapFunction<NiFiDataPacket, String>() {
		@Override
		public String map(NiFiDataPacket value) throws Exception {
			return new String(value.getContent(), Charset.defaultCharset());
		}
	});

	dataStream.print();
	env.execute();
}
 

import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment; //導入方法依賴的package包/類
private void publishUsingFlinkConnector(AppConfiguration appConfiguration) throws Exception {

		StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();

		StreamId streamId = getStreamId();
		FlinkPravegaWriter<Event> writer = pravega.newWriter(streamId, Event.class, new EventRouter());

		int parallelism = appConfiguration.getPipeline().getParallelism();

		if(appConfiguration.getProducer().isControlledEnv()) {
			if(!(env instanceof LocalStreamEnvironment)) {
				throw new Exception("Use a local Flink environment or set controlledEnv to false in app.json.");
			}
			//setting this to single instance since the controlled run allows user inout to trigger error events
			env.setParallelism(1);
			long latency = appConfiguration.getProducer().getLatencyInMilliSec();
			int capacity = appConfiguration.getProducer().getCapacity();
			ControlledSourceContextProducer controlledSourceContextProducer = new ControlledSourceContextProducer(capacity, latency);
			env.addSource(controlledSourceContextProducer).name("EventSource").addSink(writer).name("Pravega-" + streamId.getName());
		} else {
			env.setParallelism(parallelism);
			SourceContextProducer sourceContextProducer = new SourceContextProducer(appConfiguration);
			env.addSource(sourceContextProducer).name("EventSource").addSink(writer).name("Pravega-" + streamId.getName());
		}

		env.execute(appConfiguration.getName()+"-producer");

	}
 

import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment; //導入方法依賴的package包/類
public static void main(String[] args) throws Exception {

        final ParameterTool params = ParameterTool.fromArgs(args);
        final StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();
        env.getConfig().setGlobalJobParameters(params);
        env.setParallelism(2);
        env.enableCheckpointing(5000);
        env.getCheckpointConfig().setCheckpointingMode(CheckpointingMode.EXACTLY_ONCE);
        env.getCheckpointConfig().enableExternalizedCheckpoints(CheckpointConfig.ExternalizedCheckpointCleanup.RETAIN_ON_CANCELLATION);

        env.setStateBackend(new FsStateBackend("file:///Users/zhouzhou/Binary/flink-1.3.2/testcheckpoints/"));
        RawLogGroupListDeserializer deserializer = new RawLogGroupListDeserializer();
        Properties configProps = new Properties();
        configProps.put(ConfigConstants.LOG_ENDPOINT, sEndpoint);
        configProps.put(ConfigConstants.LOG_ACCESSSKEYID, sAccessKeyId);
        configProps.put(ConfigConstants.LOG_ACCESSKEY, sAccessKey);
        configProps.put(ConfigConstants.LOG_PROJECT, sProject);
        configProps.put(ConfigConstants.LOG_LOGSTORE, sLogstore);
        configProps.put(ConfigConstants.LOG_MAX_NUMBER_PER_FETCH, "10");
        configProps.put(ConfigConstants.LOG_CONSUMER_BEGIN_POSITION, Consts.LOG_FROM_CHECKPOINT);
        configProps.put(ConfigConstants.LOG_CONSUMERGROUP, "23_ots_sla_etl_product");
        DataStream<RawLogGroupList> logTestStream = env.addSource(
                new FlinkLogConsumer<RawLogGroupList>(deserializer, configProps)
        );

        logTestStream.writeAsText("/Users/zhouzhou/Binary/flink-1.3.2/data/newb.txt." + System.nanoTime());
        env.execute("flink log connector");
    }
 

import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment; //導入方法依賴的package包/類
public void exactlyOnceWriteSimulator(final StreamId outStreamId, final StreamUtils streamUtils, int numElements) throws Exception {

		final int checkpointInterval = 100;

		final int restartAttempts = 1;
		final long delayBetweenAttempts = 0L;

		//30 sec timeout for all
		final long txTimeout = 30 * 1000;
		final long txTimeoutMax = 30 * 1000;
		final long txTimeoutGracePeriod = 30 * 1000;

		final String jobName = "ExactlyOnceSimulator";

		final StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();
		env.setParallelism(parallelism);

		env.enableCheckpointing(checkpointInterval);
		env.setRestartStrategy(RestartStrategies.fixedDelayRestart(restartAttempts, delayBetweenAttempts));

		// Pravega Writer
		FlinkPravegaWriter<Integer> pravegaExactlyOnceWriter = streamUtils.newExactlyOnceWriter(outStreamId,
				Integer.class, new IdentityRouter<>());

		env
				.addSource(new IntegerCounterSourceGenerator(numElements))
				.map(new FailingIdentityMapper<>(numElements / parallelism / 2))
				.rebalance()
				.addSink(pravegaExactlyOnceWriter);

		env.execute(jobName);
	}
 

import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment; //導入方法依賴的package包/類
public void standardReadWriteSimulator(final StreamId inStreamId, final StreamId outStreamId, final StreamUtils streamUtils, int numElements) throws Exception {

		final int checkpointInterval = 100;
		final int taskFailureRestartAttempts = 1;
		final long delayBetweenRestartAttempts = 0L;
		final long startTime = 0L;
		final String jobName = "standardReadWriteSimulator";

		final StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();
		env.setParallelism(parallelism);
		env.enableCheckpointing(checkpointInterval);
		env.setRestartStrategy(RestartStrategies.fixedDelayRestart(taskFailureRestartAttempts, delayBetweenRestartAttempts));

		// the Pravega reader
		final FlinkPravegaReader<Integer> pravegaSource = streamUtils.getFlinkPravegaParams().newReader(inStreamId, startTime, Integer.class);

		// Pravega Writer
		FlinkPravegaWriter<Integer> pravegaWriter = streamUtils.getFlinkPravegaParams().newWriter(outStreamId, Integer.class, new IdentityRouter<>());
		pravegaWriter.setPravegaWriterMode(PravegaWriterMode.ATLEAST_ONCE);

		DataStream<Integer> stream = env.addSource(pravegaSource).map(new IdentityMapper<>());

		stream.addSink(pravegaWriter);

		stream.addSink(new IntSequenceExactlyOnceValidator(numElements));

		env.execute(jobName);

	}
 

import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment; //導入方法依賴的package包/類
public static void main(String... args) throws Exception {
    final StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();
    DataStream<WikipediaEditEvent> edits = env.addSource(new WikipediaEditsSource());

    edits.filter((FilterFunction<WikipediaEditEvent>) edit -> {
        return !edit.isBotEdit() && edit.getByteDiff() > 1000;
    })
    .print();

    env.execute();
}
 

import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment; //導入方法依賴的package包/類
@Test
@SuppressWarnings("Convert2Lambda")
public void shouldSelectFromStreamUsingLambdaSelect() throws Exception {

    StreamExecutionEnvironment executionEnvironment = StreamExecutionEnvironment.getExecutionEnvironment();
    executionEnvironment.setParallelism(1);

    DataStream<TestEvent> dataStream = executionEnvironment.fromElements(new TestEvent("peter1", 10), new TestEvent("alex1", 25), new TestEvent("maria1", 30));

    EsperStream<TestEvent> esperStream = Esper.query(dataStream, "select name, age from TestEvent");

    DataStream<TestEvent> resultStream = esperStream.select((EsperSelectFunction<TestEvent>) collector -> {
        String name = (String) collector.get("name");
        int age = (int) collector.get("age");
        return new TestEvent(name, age);
    });

    resultStream.addSink(new SinkFunction<TestEvent>() {

        private static final long serialVersionUID = 5588530728493738002L;

        @Override
        public void invoke(TestEvent testEvent) throws Exception {
            result.add(testEvent);
        }
    });

    executionEnvironment.execute("test-1");

    assertThat(result, is(notNullValue()));
    assertThat(result.size(), is(3));
}