/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.beam.runners.dataflow;
import com.google.api.services.dataflow.model.Environment;
import org.apache.beam.sdk.annotations.Experimental;
/**
* An instance of this class can be passed to the
* {@link DataflowRunner} to add user defined hooks to be
* invoked at various times during pipeline execution.
*/
@Experimental
public class DataflowRunnerHooks {
/**
* Allows the user to modify the environment of their job before their job is submitted
* to the service for execution.
*
* @param 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.
*/
public void modifyEnvironmentBeforeSubmission(Environment environment) {}
}