org.apache.beam.runners.flink

Class DefaultParallelismFactory

java.lang.Object

org.apache.beam.runners.flink.DefaultParallelismFactory

All Implemented Interfaces:

DefaultValueFactory<java.lang.Integer>

public class DefaultParallelismFactory
extends java.lang.Object
implements DefaultValueFactory<java.lang.Integer>

DefaultValueFactory for getting a default value for the parallelism option on FlinkPipelineOptions.

This will return either the default value from GlobalConfiguration or 1. A valid GlobalConfiguration is only available if the program is executed by the Flink run scripts.

Constructor Summary

Constructors

Constructor and Description
DefaultParallelismFactory()

Method Summary

Modifier and Type	Method and Description
java.lang.Integer	create(PipelineOptions options) Creates a default value for a getter marked with Default.InstanceFactory.

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultParallelismFactory

public DefaultParallelismFactory()

Method Detail

create

public java.lang.Integer create(PipelineOptions options)

Description copied from interface: DefaultValueFactory

Creates a default value for a getter marked with Default.InstanceFactory.

Specified by:

create in interface DefaultValueFactory<java.lang.Integer>

Parameters:

options - The current pipeline options.

Returns:

The default value to be used for the annotated getter.