DoFn.RequiresWindowAccess (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, you can use unsupported SDKs temporarily while you upgrade your pipelines. For more information, see Using an unsupported SDK.

For information on migrating from the 1.x SDK, see Migrating from Dataflow SDK 1.x for Java.

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

com.google.cloud.dataflow.sdk.transforms

Interface DoFn.RequiresWindowAccess

• Enclosing class:

  DoFn<InputT,OutputT>

  ---

  
  

  @Experimental
  public static interface DoFn.RequiresWindowAccess

  Interface for signaling that a DoFn needs to access the window the element is being processed in, via DoFn.ProcessContext.window().