org.apache.flink.table.planner.plan.nodes.exec.stream

Class StreamExecExchange

java.lang.Object

org.apache.flink.table.planner.plan.nodes.exec.ExecNodeBase<RowData>

org.apache.flink.table.planner.plan.nodes.exec.common.CommonExecExchange

org.apache.flink.table.planner.plan.nodes.exec.stream.StreamExecExchange

All Implemented Interfaces:

ExecNode<RowData>, ExecNodeTranslator<RowData>, FusionCodegenExecNode, SingleTransformationTranslator<RowData>, StreamExecNode<RowData>

@ExecNodeMetadata(name="stream-exec-exchange",
                  version=1,
                  producedTransformations="exchange",
                  minPlanVersion=v1_15,
                  minStateVersion=v1_15)
public class StreamExecExchange
extends CommonExecExchange
implements StreamExecNode<RowData>

This ExecNode represents a change of partitioning of the input elements for stream.

TODO Remove this class once FLINK-21224 is finished.

Field Summary

Fields inherited from class org.apache.flink.table.planner.plan.nodes.exec.common.CommonExecExchange

EXCHANGE_TRANSFORMATION

Fields inherited from interface org.apache.flink.table.planner.plan.nodes.exec.ExecNode

FIELD_NAME_CONFIGURATION, FIELD_NAME_DESCRIPTION, FIELD_NAME_ID, FIELD_NAME_INPUT_PROPERTIES, FIELD_NAME_OUTPUT_TYPE, FIELD_NAME_STATE, FIELD_NAME_TYPE

Constructor Summary

Constructors

Constructor and Description
StreamExecExchange(int id, ExecNodeContext context, ReadableConfig persistedConfig, List<InputProperty> inputProperties, RowType outputType, String description)
StreamExecExchange(ReadableConfig tableConfig, InputProperty inputProperty, RowType outputType, String description)

Method Summary

Modifier and Type	Method and Description
protected Transformation<RowData>	translateToPlanInternal(org.apache.flink.table.planner.delegation.PlannerBase planner, ExecNodeConfig config) Internal method, translates this node into a Flink operator.

Methods inherited from class org.apache.flink.table.planner.plan.nodes.exec.ExecNodeBase

accept, createFormattedTransformationDescription, createFormattedTransformationName, createTransformationDescription, createTransformationMeta, createTransformationMeta, createTransformationName, createTransformationUid, getContextFromAnnotation, getDescription, getId, getInputEdges, getInputProperties, getOutputType, getPersistedConfig, getSimplifiedName, getTransformation, inputsContainSingleton, replaceInputEdge, setCompiled, setInputEdges, supportFusionCodegen, translateToFusionCodegenSpec, translateToFusionCodegenSpecInternal, translateToPlan

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.table.planner.plan.nodes.exec.ExecNode

accept, getDescription, getId, getInputEdges, getInputProperties, getOutputType, replaceInputEdge, setCompiled, setInputEdges

Methods inherited from interface org.apache.flink.table.planner.plan.nodes.exec.ExecNodeTranslator

translateToPlan

Methods inherited from interface org.apache.flink.table.planner.plan.nodes.exec.FusionCodegenExecNode

supportFusionCodegen, translateToFusionCodegenSpec

Constructor Detail

StreamExecExchange

public StreamExecExchange(ReadableConfig tableConfig,
                          InputProperty inputProperty,
                          RowType outputType,
                          String description)

StreamExecExchange

public StreamExecExchange(int id,
                          ExecNodeContext context,
                          ReadableConfig persistedConfig,
                          List<InputProperty> inputProperties,
                          RowType outputType,
                          String description)

Method Detail

translateToPlanInternal

protected Transformation<RowData> translateToPlanInternal(org.apache.flink.table.planner.delegation.PlannerBase planner,
                                                          ExecNodeConfig config)

Description copied from class: ExecNodeBase

Internal method, translates this node into a Flink operator.

Specified by:

translateToPlanInternal in class ExecNodeBase<RowData>

Parameters:

planner - The planner.

config - per-ExecNode configuration that contains the merged configuration from various layers which all the nodes implementing this method should use, instead of retrieving configuration from the planner. For more details check ExecNodeConfig.