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

接口 BeamStateStore

所有已知实现类:

BeamKeyedStateStore, BeamOperatorStateStore

public interface BeamStateStore

Interface for getting the underlying state based on Beam state request (keyed state or operator state).

字段概要

字段

限定符和类型	字段和说明
static String	PYTHON_STATE_PREFIX

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.
static BeamStateStore	unsupported()

字段详细资料

PYTHON_STATE_PREFIX

static final String PYTHON_STATE_PREFIX

另请参阅:

常量字段值

方法详细资料

getListState

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

Parse BeamFnApi.StateRequest and return the corresponding ListState.

抛出:

Exception

getMapState

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

Parse BeamFnApi.StateRequest and return the corresponding MapState.

抛出:

Exception

unsupported

static BeamStateStore unsupported()