com.google.cloud.dataflow.sdk.util

Class BatchModeExecutionContext

java.lang.Object

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

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

All Implemented Interfaces:

ExecutionContext

Direct Known Subclasses:

DataflowExecutionContext, DirectModeExecutionContext

public class BatchModeExecutionContext
extends BaseExecutionContext

ExecutionContext for use in batch mode.

Constructor Summary

Constructors

Constructor and Description
BatchModeExecutionContext() Creates a BatchModeExecutionContext.

Method Summary

Modifier and Type	Method and Description
ExecutionContext.StepContext	createStepContext(String stepName, String transformName) Create a new ExecutionContext.StepContext.
Object	getKey() Returns the key of the work currently being processed.
void	setKey(Object key) Sets the key of the work currently being processed.
protected void	switchStateKey(Object newKey)

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

getAllStepContexts, getStepContext, noteOutput, noteSideOutput

Methods inherited from class java.lang.Object

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

Constructor Detail

BatchModeExecutionContext

public BatchModeExecutionContext()

Creates a BatchModeExecutionContext.

Method Detail

createStepContext

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

Create a new ExecutionContext.StepContext.

Specified by:

createStepContext in class BaseExecutionContext

setKey

public void setKey(Object key)

Sets the key of the work currently being processed.

switchStateKey

protected void switchStateKey(Object newKey)

Parameters:

newKey - the key being switched to

getKey

public Object getKey()

Returns the key of the work currently being processed.

If there is not a currently defined key, returns null.