Package org.apache.flink.streaming.api.runners.python.beam.state

Class BeamBagStateHandler

java.lang.Object

org.apache.flink.streaming.api.runners.python.beam.state.AbstractBeamStateHandler<org.apache.flink.api.common.state.ListState<byte[]>>

org.apache.flink.streaming.api.runners.python.beam.state.BeamBagStateHandler

All Implemented Interfaces:

BeamStateHandler<org.apache.flink.api.common.state.ListState<byte[]>>

public class BeamBagStateHandler
extends AbstractBeamStateHandler<org.apache.flink.api.common.state.ListState<byte[]>>

BeamBagStateHandler handles operations on ListState, which backs Beam bag states.

Constructor Summary

Constructors

Constructor	Description
BeamBagStateHandler(org.apache.flink.api.common.typeutils.TypeSerializer<?> namespaceSerializer)

Method Summary

Modifier and Type	Method	Description
org.apache.beam.model.fnexecution.v1.BeamFnApi.StateResponse.Builder	handleAppend(org.apache.beam.model.fnexecution.v1.BeamFnApi.StateRequest request, org.apache.flink.api.common.state.ListState<byte[]> listState)	Handles APPEND requests.
org.apache.beam.model.fnexecution.v1.BeamFnApi.StateResponse.Builder	handleClear(org.apache.beam.model.fnexecution.v1.BeamFnApi.StateRequest request, org.apache.flink.api.common.state.ListState<byte[]> listState)	Handles CLEAR requests.
org.apache.beam.model.fnexecution.v1.BeamFnApi.StateResponse.Builder	handleGet(org.apache.beam.model.fnexecution.v1.BeamFnApi.StateRequest request, org.apache.flink.api.common.state.ListState<byte[]> listState)	Handles GET requests.

Methods inherited from class org.apache.flink.streaming.api.runners.python.beam.state.AbstractBeamStateHandler

handle

Methods inherited from class java.lang.Object

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

Constructor Detail

BeamBagStateHandler

public BeamBagStateHandler(@Nullable
                           org.apache.flink.api.common.typeutils.TypeSerializer<?> namespaceSerializer)

Method Detail

handleGet

public org.apache.beam.model.fnexecution.v1.BeamFnApi.StateResponse.Builder handleGet(org.apache.beam.model.fnexecution.v1.BeamFnApi.StateRequest request,
                                                                                      org.apache.flink.api.common.state.ListState<byte[]> listState)
                                                                               throws Exception

Description copied from interface: BeamStateHandler

Handles GET requests.

Throws:

Exception

handleAppend

public org.apache.beam.model.fnexecution.v1.BeamFnApi.StateResponse.Builder handleAppend(org.apache.beam.model.fnexecution.v1.BeamFnApi.StateRequest request,
                                                                                         org.apache.flink.api.common.state.ListState<byte[]> listState)
                                                                                  throws Exception

Description copied from interface: BeamStateHandler

Handles APPEND requests.

Throws:

Exception

handleClear

public org.apache.beam.model.fnexecution.v1.BeamFnApi.StateResponse.Builder handleClear(org.apache.beam.model.fnexecution.v1.BeamFnApi.StateRequest request,
                                                                                        org.apache.flink.api.common.state.ListState<byte[]> listState)
                                                                                 throws Exception

Description copied from interface: BeamStateHandler

Handles CLEAR requests.

Throws:

Exception