| /* |
| * 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.fnexecution; |
| |
| import java.io.IOException; |
| import java.util.List; |
| import java.util.concurrent.atomic.AtomicInteger; |
| import org.apache.beam.model.pipeline.v1.Endpoints.ApiServiceDescriptor; |
| import org.apache.beam.vendor.grpc.v1p21p0.io.grpc.BindableService; |
| import org.apache.beam.vendor.grpc.v1p21p0.io.grpc.Server; |
| import org.apache.beam.vendor.grpc.v1p21p0.io.grpc.ServerInterceptors; |
| import org.apache.beam.vendor.grpc.v1p21p0.io.grpc.inprocess.InProcessServerBuilder; |
| |
| /** |
| * A {@link ServerFactory} which creates {@link Server servers} with the {@link |
| * InProcessServerBuilder}. |
| */ |
| public class InProcessServerFactory extends ServerFactory { |
| private static final AtomicInteger serviceNameUniqifier = new AtomicInteger(); |
| |
| public static InProcessServerFactory create() { |
| return new InProcessServerFactory(); |
| } |
| |
| private InProcessServerFactory() {} |
| |
| @Override |
| public Server allocateAddressAndCreate( |
| List<BindableService> services, ApiServiceDescriptor.Builder builder) throws IOException { |
| String name = String.format("InProcessServer_%s", serviceNameUniqifier.getAndIncrement()); |
| builder.setUrl(name); |
| InProcessServerBuilder serverBuilder = InProcessServerBuilder.forName(name); |
| services.stream() |
| .forEach( |
| service -> |
| serverBuilder.addService( |
| ServerInterceptors.intercept( |
| service, GrpcContextHeaderAccessorProvider.interceptor()))); |
| return serverBuilder.build().start(); |
| } |
| |
| @Override |
| public Server create(List<BindableService> services, ApiServiceDescriptor serviceDescriptor) |
| throws IOException { |
| InProcessServerBuilder builder = InProcessServerBuilder.forName(serviceDescriptor.getUrl()); |
| services.stream() |
| .forEach( |
| service -> |
| builder.addService( |
| ServerInterceptors.intercept( |
| service, GrpcContextHeaderAccessorProvider.interceptor()))); |
| return builder.build().start(); |
| } |
| } |