GrpcServicesStub.java

/*
 * Copyright 2022 Google LLC
 *
 * Licensed 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
 *
 *      https://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 com.google.appengine.v1.stub;

import static com.google.appengine.v1.ServicesClient.ListServicesPagedResponse;

import com.google.api.gax.core.BackgroundResource;
import com.google.api.gax.core.BackgroundResourceAggregation;
import com.google.api.gax.grpc.GrpcCallSettings;
import com.google.api.gax.grpc.GrpcStubCallableFactory;
import com.google.api.gax.rpc.ClientContext;
import com.google.api.gax.rpc.OperationCallable;
import com.google.api.gax.rpc.UnaryCallable;
import com.google.appengine.v1.DeleteServiceRequest;
import com.google.appengine.v1.GetServiceRequest;
import com.google.appengine.v1.ListServicesRequest;
import com.google.appengine.v1.ListServicesResponse;
import com.google.appengine.v1.OperationMetadataV1;
import com.google.appengine.v1.Service;
import com.google.appengine.v1.UpdateServiceRequest;
import com.google.common.collect.ImmutableMap;
import com.google.longrunning.Operation;
import com.google.longrunning.stub.GrpcOperationsStub;
import com.google.protobuf.Empty;
import io.grpc.MethodDescriptor;
import io.grpc.protobuf.ProtoUtils;
import java.io.IOException;
import java.util.concurrent.TimeUnit;
import javax.annotation.Generated;

// AUTO-GENERATED DOCUMENTATION AND CLASS.
/**
 * gRPC stub implementation for the Services service API.
 *
 * <p>This class is for advanced usage and reflects the underlying API directly.
 */
@Generated("by gapic-generator-java")
public class GrpcServicesStub extends ServicesStub {
  private static final MethodDescriptor<ListServicesRequest, ListServicesResponse>
      listServicesMethodDescriptor =
          MethodDescriptor.<ListServicesRequest, ListServicesResponse>newBuilder()
              .setType(MethodDescriptor.MethodType.UNARY)
              .setFullMethodName("google.appengine.v1.Services/ListServices")
              .setRequestMarshaller(ProtoUtils.marshaller(ListServicesRequest.getDefaultInstance()))
              .setResponseMarshaller(
                  ProtoUtils.marshaller(ListServicesResponse.getDefaultInstance()))
              .build();

  private static final MethodDescriptor<GetServiceRequest, Service> getServiceMethodDescriptor =
      MethodDescriptor.<GetServiceRequest, Service>newBuilder()
          .setType(MethodDescriptor.MethodType.UNARY)
          .setFullMethodName("google.appengine.v1.Services/GetService")
          .setRequestMarshaller(ProtoUtils.marshaller(GetServiceRequest.getDefaultInstance()))
          .setResponseMarshaller(ProtoUtils.marshaller(Service.getDefaultInstance()))
          .build();

  private static final MethodDescriptor<UpdateServiceRequest, Operation>
      updateServiceMethodDescriptor =
          MethodDescriptor.<UpdateServiceRequest, Operation>newBuilder()
              .setType(MethodDescriptor.MethodType.UNARY)
              .setFullMethodName("google.appengine.v1.Services/UpdateService")
              .setRequestMarshaller(
                  ProtoUtils.marshaller(UpdateServiceRequest.getDefaultInstance()))
              .setResponseMarshaller(ProtoUtils.marshaller(Operation.getDefaultInstance()))
              .build();

  private static final MethodDescriptor<DeleteServiceRequest, Operation>
      deleteServiceMethodDescriptor =
          MethodDescriptor.<DeleteServiceRequest, Operation>newBuilder()
              .setType(MethodDescriptor.MethodType.UNARY)
              .setFullMethodName("google.appengine.v1.Services/DeleteService")
              .setRequestMarshaller(
                  ProtoUtils.marshaller(DeleteServiceRequest.getDefaultInstance()))
              .setResponseMarshaller(ProtoUtils.marshaller(Operation.getDefaultInstance()))
              .build();

  private final UnaryCallable<ListServicesRequest, ListServicesResponse> listServicesCallable;
  private final UnaryCallable<ListServicesRequest, ListServicesPagedResponse>
      listServicesPagedCallable;
  private final UnaryCallable<GetServiceRequest, Service> getServiceCallable;
  private final UnaryCallable<UpdateServiceRequest, Operation> updateServiceCallable;
  private final OperationCallable<UpdateServiceRequest, Service, OperationMetadataV1>
      updateServiceOperationCallable;
  private final UnaryCallable<DeleteServiceRequest, Operation> deleteServiceCallable;
  private final OperationCallable<DeleteServiceRequest, Empty, OperationMetadataV1>
      deleteServiceOperationCallable;

  private final BackgroundResource backgroundResources;
  private final GrpcOperationsStub operationsStub;
  private final GrpcStubCallableFactory callableFactory;

  public static final GrpcServicesStub create(ServicesStubSettings settings) throws IOException {
    return new GrpcServicesStub(settings, ClientContext.create(settings));
  }

  public static final GrpcServicesStub create(ClientContext clientContext) throws IOException {
    return new GrpcServicesStub(ServicesStubSettings.newBuilder().build(), clientContext);
  }

  public static final GrpcServicesStub create(
      ClientContext clientContext, GrpcStubCallableFactory callableFactory) throws IOException {
    return new GrpcServicesStub(
        ServicesStubSettings.newBuilder().build(), clientContext, callableFactory);
  }

  /**
   * Constructs an instance of GrpcServicesStub, using the given settings. This is protected so that
   * it is easy to make a subclass, but otherwise, the static factory methods should be preferred.
   */
  protected GrpcServicesStub(ServicesStubSettings settings, ClientContext clientContext)
      throws IOException {
    this(settings, clientContext, new GrpcServicesCallableFactory());
  }

  /**
   * Constructs an instance of GrpcServicesStub, using the given settings. This is protected so that
   * it is easy to make a subclass, but otherwise, the static factory methods should be preferred.
   */
  protected GrpcServicesStub(
      ServicesStubSettings settings,
      ClientContext clientContext,
      GrpcStubCallableFactory callableFactory)
      throws IOException {
    this.callableFactory = callableFactory;
    this.operationsStub = GrpcOperationsStub.create(clientContext, callableFactory);

    GrpcCallSettings<ListServicesRequest, ListServicesResponse> listServicesTransportSettings =
        GrpcCallSettings.<ListServicesRequest, ListServicesResponse>newBuilder()
            .setMethodDescriptor(listServicesMethodDescriptor)
            .setParamsExtractor(
                request -> {
                  ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
                  params.put("parent", String.valueOf(request.getParent()));
                  return params.build();
                })
            .build();
    GrpcCallSettings<GetServiceRequest, Service> getServiceTransportSettings =
        GrpcCallSettings.<GetServiceRequest, Service>newBuilder()
            .setMethodDescriptor(getServiceMethodDescriptor)
            .setParamsExtractor(
                request -> {
                  ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
                  params.put("name", String.valueOf(request.getName()));
                  return params.build();
                })
            .build();
    GrpcCallSettings<UpdateServiceRequest, Operation> updateServiceTransportSettings =
        GrpcCallSettings.<UpdateServiceRequest, Operation>newBuilder()
            .setMethodDescriptor(updateServiceMethodDescriptor)
            .setParamsExtractor(
                request -> {
                  ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
                  params.put("name", String.valueOf(request.getName()));
                  return params.build();
                })
            .build();
    GrpcCallSettings<DeleteServiceRequest, Operation> deleteServiceTransportSettings =
        GrpcCallSettings.<DeleteServiceRequest, Operation>newBuilder()
            .setMethodDescriptor(deleteServiceMethodDescriptor)
            .setParamsExtractor(
                request -> {
                  ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
                  params.put("name", String.valueOf(request.getName()));
                  return params.build();
                })
            .build();

    this.listServicesCallable =
        callableFactory.createUnaryCallable(
            listServicesTransportSettings, settings.listServicesSettings(), clientContext);
    this.listServicesPagedCallable =
        callableFactory.createPagedCallable(
            listServicesTransportSettings, settings.listServicesSettings(), clientContext);
    this.getServiceCallable =
        callableFactory.createUnaryCallable(
            getServiceTransportSettings, settings.getServiceSettings(), clientContext);
    this.updateServiceCallable =
        callableFactory.createUnaryCallable(
            updateServiceTransportSettings, settings.updateServiceSettings(), clientContext);
    this.updateServiceOperationCallable =
        callableFactory.createOperationCallable(
            updateServiceTransportSettings,
            settings.updateServiceOperationSettings(),
            clientContext,
            operationsStub);
    this.deleteServiceCallable =
        callableFactory.createUnaryCallable(
            deleteServiceTransportSettings, settings.deleteServiceSettings(), clientContext);
    this.deleteServiceOperationCallable =
        callableFactory.createOperationCallable(
            deleteServiceTransportSettings,
            settings.deleteServiceOperationSettings(),
            clientContext,
            operationsStub);

    this.backgroundResources =
        new BackgroundResourceAggregation(clientContext.getBackgroundResources());
  }

  public GrpcOperationsStub getOperationsStub() {
    return operationsStub;
  }

  @Override
  public UnaryCallable<ListServicesRequest, ListServicesResponse> listServicesCallable() {
    return listServicesCallable;
  }

  @Override
  public UnaryCallable<ListServicesRequest, ListServicesPagedResponse> listServicesPagedCallable() {
    return listServicesPagedCallable;
  }

  @Override
  public UnaryCallable<GetServiceRequest, Service> getServiceCallable() {
    return getServiceCallable;
  }

  @Override
  public UnaryCallable<UpdateServiceRequest, Operation> updateServiceCallable() {
    return updateServiceCallable;
  }

  @Override
  public OperationCallable<UpdateServiceRequest, Service, OperationMetadataV1>
      updateServiceOperationCallable() {
    return updateServiceOperationCallable;
  }

  @Override
  public UnaryCallable<DeleteServiceRequest, Operation> deleteServiceCallable() {
    return deleteServiceCallable;
  }

  @Override
  public OperationCallable<DeleteServiceRequest, Empty, OperationMetadataV1>
      deleteServiceOperationCallable() {
    return deleteServiceOperationCallable;
  }

  @Override
  public final void close() {
    try {
      backgroundResources.close();
    } catch (RuntimeException e) {
      throw e;
    } catch (Exception e) {
      throw new IllegalStateException("Failed to close resource", e);
    }
  }

  @Override
  public void shutdown() {
    backgroundResources.shutdown();
  }

  @Override
  public boolean isShutdown() {
    return backgroundResources.isShutdown();
  }

  @Override
  public boolean isTerminated() {
    return backgroundResources.isTerminated();
  }

  @Override
  public void shutdownNow() {
    backgroundResources.shutdownNow();
  }

  @Override
  public boolean awaitTermination(long duration, TimeUnit unit) throws InterruptedException {
    return backgroundResources.awaitTermination(duration, unit);
  }
}