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

类 BeamKeyedStateStore

java.lang.Object

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

所有已实现的接口:

BeamStateStore

public class BeamKeyedStateStore
extends Object
implements BeamStateStore

A BeamStateStore that returns keyed states based on BeamFnApi.StateRequest.

字段概要

从接口继承的字段 org.apache.flink.streaming.api.runners.python.beam.state.BeamStateStore

PYTHON_STATE_PREFIX

构造器概要

构造器

构造器和说明
BeamKeyedStateStore(org.apache.flink.runtime.state.KeyedStateBackend<?> keyedStateBackend, org.apache.flink.api.common.typeutils.TypeSerializer<?> keySerializer, org.apache.flink.api.common.typeutils.TypeSerializer<?> namespaceSerializer)

方法概要

限定符和类型	方法和说明
org.apache.flink.api.common.state.ListState<byte[]>	getListState(org.apache.beam.model.fnexecution.v1.BeamFnApi.StateRequest request) Parse BeamFnApi.StateRequest and return the corresponding ListState.
org.apache.flink.api.common.state.MapState<ByteArrayWrapper,byte[]>	getMapState(org.apache.beam.model.fnexecution.v1.BeamFnApi.StateRequest request) Parse BeamFnApi.StateRequest and return the corresponding MapState.

从类继承的方法 java.lang.Object

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

从接口继承的方法 org.apache.flink.streaming.api.runners.python.beam.state.BeamStateStore

unsupported

构造器详细资料

BeamKeyedStateStore

public BeamKeyedStateStore(org.apache.flink.runtime.state.KeyedStateBackend<?> keyedStateBackend,
                           org.apache.flink.api.common.typeutils.TypeSerializer<?> keySerializer,
                           @Nullable
                           org.apache.flink.api.common.typeutils.TypeSerializer<?> namespaceSerializer)

方法详细资料

getListState

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

从接口复制的说明: BeamStateStore

Parse BeamFnApi.StateRequest and return the corresponding ListState.

指定者:

getListState 在接口中 BeamStateStore

抛出:

Exception

getMapState

public org.apache.flink.api.common.state.MapState<ByteArrayWrapper,byte[]> getMapState(org.apache.beam.model.fnexecution.v1.BeamFnApi.StateRequest request)
                                                                                throws Exception

从接口复制的说明: BeamStateStore

Parse BeamFnApi.StateRequest and return the corresponding MapState.

指定者:

getMapState 在接口中 BeamStateStore

抛出:

Exception