/*
* 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.examples.common;
import org.apache.beam.sdk.extensions.gcp.options.GcpOptions;
import org.apache.beam.sdk.options.Default;
import org.apache.beam.sdk.options.DefaultValueFactory;
import org.apache.beam.sdk.options.Description;
import org.apache.beam.sdk.options.PipelineOptions;
/**
* Options that can be used to configure Pub/Sub topic/subscription in Beam examples.
*/
public interface ExamplePubsubTopicAndSubscriptionOptions extends ExamplePubsubTopicOptions {
@Description("Pub/Sub subscription")
@Default.InstanceFactory(PubsubSubscriptionFactory.class)
String getPubsubSubscription();
void setPubsubSubscription(String subscription);
/**
* Returns a default Pub/Sub subscription based on the project and the job names.
*/
class PubsubSubscriptionFactory implements DefaultValueFactory<String> {
@Override
public String create(PipelineOptions options) {
return "projects/" + options.as(GcpOptions.class).getProject()
+ "/subscriptions/" + options.getJobName();
}
}
}