org.apache.flink.streaming.api.operators

类 StreamingRuntimeContext

java.lang.Object

org.apache.flink.api.common.functions.util.AbstractRuntimeUDFContext

org.apache.flink.streaming.api.operators.StreamingRuntimeContext

所有已实现的接口:

org.apache.flink.api.common.functions.RuntimeContext

@Internal
public class StreamingRuntimeContext
extends org.apache.flink.api.common.functions.util.AbstractRuntimeUDFContext

Implementation of the RuntimeContext, for streaming operators.

构造器概要

构造器

构造器和说明
StreamingRuntimeContext(AbstractStreamOperator<?> operator, org.apache.flink.runtime.execution.Environment env, Map<String,org.apache.flink.api.common.accumulators.Accumulator<?,?>> accumulators)
StreamingRuntimeContext(org.apache.flink.runtime.execution.Environment env, Map<String,org.apache.flink.api.common.accumulators.Accumulator<?,?>> accumulators, org.apache.flink.metrics.MetricGroup operatorMetricGroup, org.apache.flink.runtime.jobgraph.OperatorID operatorID, ProcessingTimeService processingTimeService, org.apache.flink.api.common.state.KeyedStateStore keyedStateStore, org.apache.flink.runtime.externalresource.ExternalResourceInfoProvider externalResourceInfoProvider)

方法概要

限定符和类型	方法和说明
<IN,ACC,OUT> org.apache.flink.api.common.state.AggregatingState<IN,OUT>	getAggregatingState(org.apache.flink.api.common.state.AggregatingStateDescriptor<IN,ACC,OUT> stateProperties)
<RT> List<RT>	getBroadcastVariable(String name)
<T,C> C	getBroadcastVariableWithInitializer(String name, org.apache.flink.api.common.functions.BroadcastVariableInitializer<T,C> initializer)
CheckpointingMode	getCheckpointMode() Returns the checkpointing mode.
Set<org.apache.flink.api.common.externalresource.ExternalResourceInfo>	getExternalResourceInfos(String resourceName)
org.apache.flink.runtime.taskexecutor.GlobalAggregateManager	getGlobalAggregateManager() Returns the global aggregate manager for the current job.
org.apache.flink.runtime.jobgraph.tasks.InputSplitProvider	getInputSplitProvider() Returns the input split provider associated with the operator.
<T> org.apache.flink.api.common.state.ListState<T>	getListState(org.apache.flink.api.common.state.ListStateDescriptor<T> stateProperties)
<UK,UV> org.apache.flink.api.common.state.MapState<UK,UV>	getMapState(org.apache.flink.api.common.state.MapStateDescriptor<UK,UV> stateProperties)
String	getOperatorUniqueID() Returned value is guaranteed to be unique between operators within the same job and to be stable and the same across job submissions.
ProcessingTimeService	getProcessingTimeService()
<T> org.apache.flink.api.common.state.ReducingState<T>	getReducingState(org.apache.flink.api.common.state.ReducingStateDescriptor<T> stateProperties)
<T> org.apache.flink.api.common.state.ValueState<T>	getState(org.apache.flink.api.common.state.ValueStateDescriptor<T> stateProperties)
org.apache.flink.runtime.taskmanager.TaskManagerRuntimeInfo	getTaskManagerRuntimeInfo() Returns the task manager runtime info of the task manager running this stream task.
boolean	hasBroadcastVariable(String name)
boolean	isCheckpointingEnabled() Returns true if checkpointing is enabled for the running job.
void	setKeyedStateStore(org.apache.flink.api.common.state.KeyedStateStore keyedStateStore)

从类继承的方法 org.apache.flink.api.common.functions.util.AbstractRuntimeUDFContext

addAccumulator, getAccumulator, getAllAccumulators, getAllocationIDAsString, getAttemptNumber, getDistributedCache, getDoubleCounter, getExecutionConfig, getHistogram, getIndexOfThisSubtask, getIntCounter, getLongCounter, getMaxNumberOfParallelSubtasks, getMetricGroup, getNumberOfParallelSubtasks, getTaskName, getTaskNameWithSubtasks, getUserCodeClassLoader

从类继承的方法 java.lang.Object

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

构造器详细资料

StreamingRuntimeContext

@VisibleForTesting
public StreamingRuntimeContext(AbstractStreamOperator<?> operator,
                                                  org.apache.flink.runtime.execution.Environment env,
                                                  Map<String,org.apache.flink.api.common.accumulators.Accumulator<?,?>> accumulators)

StreamingRuntimeContext

public StreamingRuntimeContext(org.apache.flink.runtime.execution.Environment env,
                               Map<String,org.apache.flink.api.common.accumulators.Accumulator<?,?>> accumulators,
                               org.apache.flink.metrics.MetricGroup operatorMetricGroup,
                               org.apache.flink.runtime.jobgraph.OperatorID operatorID,
                               ProcessingTimeService processingTimeService,
                               @Nullable
                               org.apache.flink.api.common.state.KeyedStateStore keyedStateStore,
                               org.apache.flink.runtime.externalresource.ExternalResourceInfoProvider externalResourceInfoProvider)

方法详细资料

setKeyedStateStore

public void setKeyedStateStore(@Nullable
                               org.apache.flink.api.common.state.KeyedStateStore keyedStateStore)

getInputSplitProvider

public org.apache.flink.runtime.jobgraph.tasks.InputSplitProvider getInputSplitProvider()

Returns the input split provider associated with the operator.

返回:

The input split provider.

getProcessingTimeService

public ProcessingTimeService getProcessingTimeService()

getGlobalAggregateManager

public org.apache.flink.runtime.taskexecutor.GlobalAggregateManager getGlobalAggregateManager()

Returns the global aggregate manager for the current job.

返回:

The global aggregate manager.

getOperatorUniqueID

public String getOperatorUniqueID()

Returned value is guaranteed to be unique between operators within the same job and to be stable and the same across job submissions.

This operation is currently only supported in Streaming (DataStream) contexts.

返回:

String representation of the operator's unique id.

getTaskManagerRuntimeInfo

public org.apache.flink.runtime.taskmanager.TaskManagerRuntimeInfo getTaskManagerRuntimeInfo()

Returns the task manager runtime info of the task manager running this stream task.

返回:

The task manager runtime info.

getExternalResourceInfos

public Set<org.apache.flink.api.common.externalresource.ExternalResourceInfo> getExternalResourceInfos(String resourceName)

hasBroadcastVariable

public boolean hasBroadcastVariable(String name)

getBroadcastVariable

public <RT> List<RT> getBroadcastVariable(String name)

getBroadcastVariableWithInitializer

public <T,C> C getBroadcastVariableWithInitializer(String name,
                                                   org.apache.flink.api.common.functions.BroadcastVariableInitializer<T,C> initializer)

getState

public <T> org.apache.flink.api.common.state.ValueState<T> getState(org.apache.flink.api.common.state.ValueStateDescriptor<T> stateProperties)

指定者:

getState 在接口中 org.apache.flink.api.common.functions.RuntimeContext

覆盖:

getState 在类中 org.apache.flink.api.common.functions.util.AbstractRuntimeUDFContext

getListState

public <T> org.apache.flink.api.common.state.ListState<T> getListState(org.apache.flink.api.common.state.ListStateDescriptor<T> stateProperties)

指定者:

getListState 在接口中 org.apache.flink.api.common.functions.RuntimeContext

覆盖:

getListState 在类中 org.apache.flink.api.common.functions.util.AbstractRuntimeUDFContext

getReducingState

public <T> org.apache.flink.api.common.state.ReducingState<T> getReducingState(org.apache.flink.api.common.state.ReducingStateDescriptor<T> stateProperties)

指定者:

getReducingState 在接口中 org.apache.flink.api.common.functions.RuntimeContext

覆盖:

getReducingState 在类中 org.apache.flink.api.common.functions.util.AbstractRuntimeUDFContext

getAggregatingState

public <IN,ACC,OUT> org.apache.flink.api.common.state.AggregatingState<IN,OUT> getAggregatingState(org.apache.flink.api.common.state.AggregatingStateDescriptor<IN,ACC,OUT> stateProperties)

指定者:

getAggregatingState 在接口中 org.apache.flink.api.common.functions.RuntimeContext

覆盖:

getAggregatingState 在类中 org.apache.flink.api.common.functions.util.AbstractRuntimeUDFContext

getMapState

public <UK,UV> org.apache.flink.api.common.state.MapState<UK,UV> getMapState(org.apache.flink.api.common.state.MapStateDescriptor<UK,UV> stateProperties)

指定者:

getMapState 在接口中 org.apache.flink.api.common.functions.RuntimeContext

覆盖:

getMapState 在类中 org.apache.flink.api.common.functions.util.AbstractRuntimeUDFContext

isCheckpointingEnabled

public boolean isCheckpointingEnabled()

Returns true if checkpointing is enabled for the running job.

返回:

true if checkpointing is enabled.

getCheckpointMode

public CheckpointingMode getCheckpointMode()

Returns the checkpointing mode.

返回:

checkpointing mode