DataflowPipelineRunnerHooks (Google Cloud Dataflow SDK 1.9.1 API)

Google Cloud Dataflow SDK for Java, version 1.9.1

Warning: Dataflow SDK 1.x for Java is unsupported as of October 16, 2018. After August 12, 2020, Dataflow will not run jobs using Dataflow 1.x and below. See Migrating from Dataflow SDK 1.x for Java for migration guidance.

Note: If you are using Cloud Dataflow SDK version 2.x, see the Apache Beam API reference documentation.

com.google.cloud.dataflow.sdk.runners

Class DataflowPipelineRunnerHooks

• java.lang.Object
• • com.google.cloud.dataflow.sdk.runners.DataflowPipelineRunnerHooks

• ---

  
  

  @Experimental
  public class DataflowPipelineRunnerHooks
  extends Object

  An instance of this class can be passed to the DataflowPipelineRunner to add user defined hooks to be invoked at various times during pipeline execution.

• • Constructor Summary

    Constructors 

    Constructor and Description
    DataflowPipelineRunnerHooks()

  • Method Summary

    All Methods Instance Methods Concrete Methods 

    Modifier and Type	Method and Description
    boolean	failOnJobFileWriteFailure() Specifies whether the runner should fail if it fails to write to a job file.
    void	modifyEnvironmentBeforeSubmission(com.google.api.services.dataflow.model.Environment environment) Allows the user to modify the environment of their job before their job is submitted to the service for execution.
    boolean	shouldActuallyRunJob() Allows the user to specify whether the job should actually be executed.

    • Methods inherited from class java.lang.Object

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

• • Constructor Detail

    • DataflowPipelineRunnerHooks

      public DataflowPipelineRunnerHooks()

  • Method Detail

    • modifyEnvironmentBeforeSubmission

      public void modifyEnvironmentBeforeSubmission(com.google.api.services.dataflow.model.Environment environment)

      Allows the user to modify the environment of their job before their job is submitted to the service for execution.

      Parameters:

      environment - The environment of the job. Users can make change to this instance in order to change the environment with which their job executes on the service.

    • shouldActuallyRunJob

      public boolean shouldActuallyRunJob()

      Allows the user to specify whether the job should actually be executed.

    • failOnJobFileWriteFailure

      public boolean failOnJobFileWriteFailure()

      Specifies whether the runner should fail if it fails to write to a job file.