org.apache.flink.contrib.siddhi.operator

Class SiddhiStreamOperator<IN,OUT>

java.lang.Object

org.apache.flink.streaming.api.operators.AbstractStreamOperator<OUT>

org.apache.flink.contrib.siddhi.operator.AbstractSiddhiOperator<org.apache.flink.api.java.tuple.Tuple2<String,IN>,OUT>

org.apache.flink.contrib.siddhi.operator.SiddhiStreamOperator<IN,OUT>

All Implemented Interfaces:

Serializable, org.apache.flink.streaming.api.operators.OneInputStreamOperator<org.apache.flink.api.java.tuple.Tuple2<String,IN>,OUT>, org.apache.flink.streaming.api.operators.StreamCheckpointedOperator, org.apache.flink.streaming.api.operators.StreamOperator<OUT>

public class SiddhiStreamOperator<IN,OUT>
extends AbstractSiddhiOperator<org.apache.flink.api.java.tuple.Tuple2<String,IN>,OUT>

Wrap input event in generic type of IN as Tuple2

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.flink.streaming.api.operators.AbstractStreamOperator

org.apache.flink.streaming.api.operators.AbstractStreamOperator.CountingOutput, org.apache.flink.streaming.api.operators.AbstractStreamOperator.LatencyGauge

Field Summary

Fields inherited from class org.apache.flink.streaming.api.operators.AbstractStreamOperator

chainingStrategy, latencyGauge, LOG, metrics, output

Constructor Summary

Constructors

Constructor and Description
SiddhiStreamOperator(SiddhiOperatorContext siddhiPlan)

Method Summary

Modifier and Type	Method and Description
protected org.apache.flink.streaming.runtime.streamrecord.MultiplexingStreamRecordSerializer<org.apache.flink.api.java.tuple.Tuple2<String,IN>>	createStreamRecordSerializer(StreamSchema streamSchema, org.apache.flink.api.common.ExecutionConfig executionConfig)
String	getStreamId(org.apache.flink.api.java.tuple.Tuple2<String,IN> record)
protected void	processEvent(String streamId, StreamSchema<org.apache.flink.api.java.tuple.Tuple2<String,IN>> schema, org.apache.flink.api.java.tuple.Tuple2<String,IN> value, long timestamp)
protected PriorityQueue<org.apache.flink.streaming.runtime.streamrecord.StreamRecord<org.apache.flink.api.java.tuple.Tuple2<String,IN>>>	restoreQueuerState(org.apache.flink.core.memory.DataInputView dataInputView)
protected void	snapshotQueuerState(PriorityQueue<org.apache.flink.streaming.runtime.streamrecord.StreamRecord<org.apache.flink.api.java.tuple.Tuple2<String,IN>>> queue, org.apache.flink.core.memory.DataOutputView dataOutputView)

Methods inherited from class org.apache.flink.contrib.siddhi.operator.AbstractSiddhiOperator

dispose, getPriorityQueue, getSiddhiInputHandler, getSiddhiPlan, getSiddhiRuntime, getStreamRecordSerializer, open, processElement, processWatermark, restoreState, send, setup, snapshotState, snapshotState

Methods inherited from class org.apache.flink.streaming.api.operators.AbstractStreamOperator

close, getChainingStrategy, getContainingTask, getExecutionConfig, getKeyedStateBackend, getMetricGroup, getOperatorConfig, getOperatorStateBackend, getPartitionedState, getPartitionedState, getRuntimeContext, getTimerService, getUserCodeClassloader, notifyOfCompletedCheckpoint, processLatencyMarker, processLatencyMarker1, processLatencyMarker2, reportOrForwardLatencyMarker, restoreState, setChainingStrategy, setKeyContext, setKeyContextElement1, setKeyContextElement2

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.apache.flink.streaming.api.operators.OneInputStreamOperator

processLatencyMarker

Methods inherited from interface org.apache.flink.streaming.api.operators.StreamOperator

close, getChainingStrategy, getMetricGroup, notifyOfCompletedCheckpoint, restoreState, setChainingStrategy, setKeyContextElement1, setKeyContextElement2

Constructor Detail

SiddhiStreamOperator

public SiddhiStreamOperator(SiddhiOperatorContext siddhiPlan)

Method Detail

createStreamRecordSerializer

protected org.apache.flink.streaming.runtime.streamrecord.MultiplexingStreamRecordSerializer<org.apache.flink.api.java.tuple.Tuple2<String,IN>> createStreamRecordSerializer(StreamSchema streamSchema,
                                                                                                                                                                             org.apache.flink.api.common.ExecutionConfig executionConfig)

Specified by:

createStreamRecordSerializer in class AbstractSiddhiOperator<org.apache.flink.api.java.tuple.Tuple2<String,IN>,OUT>

processEvent

protected void processEvent(String streamId,
                            StreamSchema<org.apache.flink.api.java.tuple.Tuple2<String,IN>> schema,
                            org.apache.flink.api.java.tuple.Tuple2<String,IN> value,
                            long timestamp)
                     throws InterruptedException

Specified by:

processEvent in class AbstractSiddhiOperator<org.apache.flink.api.java.tuple.Tuple2<String,IN>,OUT>

Throws:

InterruptedException

getStreamId

public String getStreamId(org.apache.flink.api.java.tuple.Tuple2<String,IN> record)

Specified by:

getStreamId in class AbstractSiddhiOperator<org.apache.flink.api.java.tuple.Tuple2<String,IN>,OUT>

snapshotQueuerState

protected void snapshotQueuerState(PriorityQueue<org.apache.flink.streaming.runtime.streamrecord.StreamRecord<org.apache.flink.api.java.tuple.Tuple2<String,IN>>> queue,
                                   org.apache.flink.core.memory.DataOutputView dataOutputView)
                            throws IOException

Specified by:

snapshotQueuerState in class AbstractSiddhiOperator<org.apache.flink.api.java.tuple.Tuple2<String,IN>,OUT>

Throws:

IOException

restoreQueuerState

protected PriorityQueue<org.apache.flink.streaming.runtime.streamrecord.StreamRecord<org.apache.flink.api.java.tuple.Tuple2<String,IN>>> restoreQueuerState(org.apache.flink.core.memory.DataInputView dataInputView)
                                                                                                                                                     throws IOException

Specified by:

restoreQueuerState in class AbstractSiddhiOperator<org.apache.flink.api.java.tuple.Tuple2<String,IN>,OUT>

Throws:

IOException