com.google.cloud.dataflow.sdk.util

Class DirectModeExecutionContext

java.lang.Object

com.google.cloud.dataflow.sdk.util.BaseExecutionContext

com.google.cloud.dataflow.sdk.util.BatchModeExecutionContext

com.google.cloud.dataflow.sdk.util.DirectModeExecutionContext

All Implemented Interfaces:

ExecutionContext

public class DirectModeExecutionContext
extends BatchModeExecutionContext

ExecutionContext for use in direct mode.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	DirectModeExecutionContext()

Method Summary

Modifier and Type	Method and Description
static DirectModeExecutionContext	create()
ExecutionContext.StepContext	createStepContext(String stepName, String transformName) Create a new ExecutionContext.StepContext.
<T> List<DirectPipelineRunner.ValueWithMetadata<T>>	getOutput(TupleTag<T> tag)
<T> List<DirectPipelineRunner.ValueWithMetadata<T>>	getSideOutput(TupleTag<T> tag)
void	noteOutput(WindowedValue<?> outputElem) Hook for subclasses to implement that will be called whenever DoFn.Context.output(OutputT) is called.
void	noteSideOutput(TupleTag<?> tag, WindowedValue<?> outputElem) Hook for subclasses to implement that will be called whenever DoFn.Context.sideOutput(com.google.cloud.dataflow.sdk.values.TupleTag<T>, T) is called.
protected void	switchStateKey(Object newKey)

Methods inherited from class com.google.cloud.dataflow.sdk.util.BatchModeExecutionContext

getKey, setKey

Methods inherited from class com.google.cloud.dataflow.sdk.util.BaseExecutionContext

getAllStepContexts, getStepContext

Methods inherited from class java.lang.Object

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

Constructor Detail

DirectModeExecutionContext

protected DirectModeExecutionContext()

Method Detail

create

public static DirectModeExecutionContext create()

createStepContext

public ExecutionContext.StepContext createStepContext(String stepName,
                                                      String transformName)

Description copied from class: BatchModeExecutionContext

Create a new ExecutionContext.StepContext.

Overrides:

createStepContext in class BatchModeExecutionContext

switchStateKey

protected void switchStateKey(Object newKey)

Overrides:

switchStateKey in class BatchModeExecutionContext

Parameters:

newKey - the key being switched to

noteOutput

public void noteOutput(WindowedValue<?> outputElem)

Description copied from class: BaseExecutionContext

Hook for subclasses to implement that will be called whenever DoFn.Context.output(OutputT) is called.

Specified by:

noteOutput in interface ExecutionContext

Overrides:

noteOutput in class BaseExecutionContext

noteSideOutput

public void noteSideOutput(TupleTag<?> tag,
                           WindowedValue<?> outputElem)

Description copied from class: BaseExecutionContext

Hook for subclasses to implement that will be called whenever DoFn.Context.sideOutput(com.google.cloud.dataflow.sdk.values.TupleTag<T>, T) is called.

Specified by:

noteSideOutput in interface ExecutionContext

Overrides:

noteSideOutput in class BaseExecutionContext

getOutput

public <T> List<DirectPipelineRunner.ValueWithMetadata<T>> getOutput(TupleTag<T> tag)

getSideOutput

public <T> List<DirectPipelineRunner.ValueWithMetadata<T>> getSideOutput(TupleTag<T> tag)