org.apache.beam.fn.harness

Class FnHarness

java.lang.Object

org.apache.beam.fn.harness.FnHarness

public class FnHarness
extends java.lang.Object

Main entry point into the Beam SDK Fn Harness for Java.

This entry point expects the following environment variables:

• HARNESS_ID: A String representing the ID of this FnHarness. This will be added to the headers of calls to the Beam Control Service
• LOGGING_API_SERVICE_DESCRIPTOR: A Endpoints.ApiServiceDescriptor encoded as text representing the endpoint that is to be connected to for the Beam Fn Logging service.
• CONTROL_API_SERVICE_DESCRIPTOR: A Endpoints.ApiServiceDescriptor encoded as text representing the endpoint that is to be connected to for the Beam Fn Control service.
• PIPELINE_OPTIONS: A serialized form of PipelineOptions. See PipelineOptions for further details.

Constructor Summary

Constructors

Constructor and Description
FnHarness()

Method Summary

Modifier and Type	Method and Description
static void	main(java.lang.String[] args)
static void	main(java.lang.String id, org.apache.beam.sdk.options.PipelineOptions options, org.apache.beam.model.pipeline.v1.Endpoints.ApiServiceDescriptor loggingApiServiceDescriptor, org.apache.beam.model.pipeline.v1.Endpoints.ApiServiceDescriptor controlApiServiceDescriptor)
static void	main(java.lang.String id, org.apache.beam.sdk.options.PipelineOptions options, org.apache.beam.model.pipeline.v1.Endpoints.ApiServiceDescriptor loggingApiServiceDescriptor, org.apache.beam.model.pipeline.v1.Endpoints.ApiServiceDescriptor controlApiServiceDescriptor, org.apache.beam.sdk.fn.channel.ManagedChannelFactory channelFactory, org.apache.beam.sdk.fn.stream.OutboundObserverFactory outboundObserverFactory)

Methods inherited from class java.lang.Object

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

Constructor Detail

FnHarness

public FnHarness()

Method Detail

main

public static void main(java.lang.String[] args)
                 throws java.lang.Exception

Throws:

java.lang.Exception

main

public static void main(java.lang.String id,
                        org.apache.beam.sdk.options.PipelineOptions options,
                        org.apache.beam.model.pipeline.v1.Endpoints.ApiServiceDescriptor loggingApiServiceDescriptor,
                        org.apache.beam.model.pipeline.v1.Endpoints.ApiServiceDescriptor controlApiServiceDescriptor)
                 throws java.lang.Exception

Throws:

java.lang.Exception

main

public static void main(java.lang.String id,
                        org.apache.beam.sdk.options.PipelineOptions options,
                        org.apache.beam.model.pipeline.v1.Endpoints.ApiServiceDescriptor loggingApiServiceDescriptor,
                        org.apache.beam.model.pipeline.v1.Endpoints.ApiServiceDescriptor controlApiServiceDescriptor,
                        org.apache.beam.sdk.fn.channel.ManagedChannelFactory channelFactory,
                        org.apache.beam.sdk.fn.stream.OutboundObserverFactory outboundObserverFactory)
                 throws java.lang.Exception

Throws:

java.lang.Exception