GrpcInstancesStub.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.InstancesClient.ListInstancesPagedResponse;

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.DebugInstanceRequest;
import com.google.appengine.v1.DeleteInstanceRequest;
import com.google.appengine.v1.GetInstanceRequest;
import com.google.appengine.v1.Instance;
import com.google.appengine.v1.ListInstancesRequest;
import com.google.appengine.v1.ListInstancesResponse;
import com.google.appengine.v1.OperationMetadataV1;
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 Instances service API.
 *
 * <p>This class is for advanced usage and reflects the underlying API directly.
 */
@Generated("by gapic-generator-java")
public class GrpcInstancesStub extends InstancesStub {
  private static final MethodDescriptor<ListInstancesRequest, ListInstancesResponse>
      listInstancesMethodDescriptor =
          MethodDescriptor.<ListInstancesRequest, ListInstancesResponse>newBuilder()
              .setType(MethodDescriptor.MethodType.UNARY)
              .setFullMethodName("google.appengine.v1.Instances/ListInstances")
              .setRequestMarshaller(
                  ProtoUtils.marshaller(ListInstancesRequest.getDefaultInstance()))
              .setResponseMarshaller(
                  ProtoUtils.marshaller(ListInstancesResponse.getDefaultInstance()))
              .build();

  private static final MethodDescriptor<GetInstanceRequest, Instance> getInstanceMethodDescriptor =
      MethodDescriptor.<GetInstanceRequest, Instance>newBuilder()
          .setType(MethodDescriptor.MethodType.UNARY)
          .setFullMethodName("google.appengine.v1.Instances/GetInstance")
          .setRequestMarshaller(ProtoUtils.marshaller(GetInstanceRequest.getDefaultInstance()))
          .setResponseMarshaller(ProtoUtils.marshaller(Instance.getDefaultInstance()))
          .build();

  private static final MethodDescriptor<DeleteInstanceRequest, Operation>
      deleteInstanceMethodDescriptor =
          MethodDescriptor.<DeleteInstanceRequest, Operation>newBuilder()
              .setType(MethodDescriptor.MethodType.UNARY)
              .setFullMethodName("google.appengine.v1.Instances/DeleteInstance")
              .setRequestMarshaller(
                  ProtoUtils.marshaller(DeleteInstanceRequest.getDefaultInstance()))
              .setResponseMarshaller(ProtoUtils.marshaller(Operation.getDefaultInstance()))
              .build();

  private static final MethodDescriptor<DebugInstanceRequest, Operation>
      debugInstanceMethodDescriptor =
          MethodDescriptor.<DebugInstanceRequest, Operation>newBuilder()
              .setType(MethodDescriptor.MethodType.UNARY)
              .setFullMethodName("google.appengine.v1.Instances/DebugInstance")
              .setRequestMarshaller(
                  ProtoUtils.marshaller(DebugInstanceRequest.getDefaultInstance()))
              .setResponseMarshaller(ProtoUtils.marshaller(Operation.getDefaultInstance()))
              .build();

  private final UnaryCallable<ListInstancesRequest, ListInstancesResponse> listInstancesCallable;
  private final UnaryCallable<ListInstancesRequest, ListInstancesPagedResponse>
      listInstancesPagedCallable;
  private final UnaryCallable<GetInstanceRequest, Instance> getInstanceCallable;
  private final UnaryCallable<DeleteInstanceRequest, Operation> deleteInstanceCallable;
  private final OperationCallable<DeleteInstanceRequest, Empty, OperationMetadataV1>
      deleteInstanceOperationCallable;
  private final UnaryCallable<DebugInstanceRequest, Operation> debugInstanceCallable;
  private final OperationCallable<DebugInstanceRequest, Instance, OperationMetadataV1>
      debugInstanceOperationCallable;

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

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

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

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

  /**
   * Constructs an instance of GrpcInstancesStub, 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 GrpcInstancesStub(InstancesStubSettings settings, ClientContext clientContext)
      throws IOException {
    this(settings, clientContext, new GrpcInstancesCallableFactory());
  }

  /**
   * Constructs an instance of GrpcInstancesStub, 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 GrpcInstancesStub(
      InstancesStubSettings settings,
      ClientContext clientContext,
      GrpcStubCallableFactory callableFactory)
      throws IOException {
    this.callableFactory = callableFactory;
    this.operationsStub = GrpcOperationsStub.create(clientContext, callableFactory);

    GrpcCallSettings<ListInstancesRequest, ListInstancesResponse> listInstancesTransportSettings =
        GrpcCallSettings.<ListInstancesRequest, ListInstancesResponse>newBuilder()
            .setMethodDescriptor(listInstancesMethodDescriptor)
            .setParamsExtractor(
                request -> {
                  ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
                  params.put("parent", String.valueOf(request.getParent()));
                  return params.build();
                })
            .build();
    GrpcCallSettings<GetInstanceRequest, Instance> getInstanceTransportSettings =
        GrpcCallSettings.<GetInstanceRequest, Instance>newBuilder()
            .setMethodDescriptor(getInstanceMethodDescriptor)
            .setParamsExtractor(
                request -> {
                  ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
                  params.put("name", String.valueOf(request.getName()));
                  return params.build();
                })
            .build();
    GrpcCallSettings<DeleteInstanceRequest, Operation> deleteInstanceTransportSettings =
        GrpcCallSettings.<DeleteInstanceRequest, Operation>newBuilder()
            .setMethodDescriptor(deleteInstanceMethodDescriptor)
            .setParamsExtractor(
                request -> {
                  ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
                  params.put("name", String.valueOf(request.getName()));
                  return params.build();
                })
            .build();
    GrpcCallSettings<DebugInstanceRequest, Operation> debugInstanceTransportSettings =
        GrpcCallSettings.<DebugInstanceRequest, Operation>newBuilder()
            .setMethodDescriptor(debugInstanceMethodDescriptor)
            .setParamsExtractor(
                request -> {
                  ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
                  params.put("name", String.valueOf(request.getName()));
                  return params.build();
                })
            .build();

    this.listInstancesCallable =
        callableFactory.createUnaryCallable(
            listInstancesTransportSettings, settings.listInstancesSettings(), clientContext);
    this.listInstancesPagedCallable =
        callableFactory.createPagedCallable(
            listInstancesTransportSettings, settings.listInstancesSettings(), clientContext);
    this.getInstanceCallable =
        callableFactory.createUnaryCallable(
            getInstanceTransportSettings, settings.getInstanceSettings(), clientContext);
    this.deleteInstanceCallable =
        callableFactory.createUnaryCallable(
            deleteInstanceTransportSettings, settings.deleteInstanceSettings(), clientContext);
    this.deleteInstanceOperationCallable =
        callableFactory.createOperationCallable(
            deleteInstanceTransportSettings,
            settings.deleteInstanceOperationSettings(),
            clientContext,
            operationsStub);
    this.debugInstanceCallable =
        callableFactory.createUnaryCallable(
            debugInstanceTransportSettings, settings.debugInstanceSettings(), clientContext);
    this.debugInstanceOperationCallable =
        callableFactory.createOperationCallable(
            debugInstanceTransportSettings,
            settings.debugInstanceOperationSettings(),
            clientContext,
            operationsStub);

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

  public GrpcOperationsStub getOperationsStub() {
    return operationsStub;
  }

  @Override
  public UnaryCallable<ListInstancesRequest, ListInstancesResponse> listInstancesCallable() {
    return listInstancesCallable;
  }

  @Override
  public UnaryCallable<ListInstancesRequest, ListInstancesPagedResponse>
      listInstancesPagedCallable() {
    return listInstancesPagedCallable;
  }

  @Override
  public UnaryCallable<GetInstanceRequest, Instance> getInstanceCallable() {
    return getInstanceCallable;
  }

  @Override
  public UnaryCallable<DeleteInstanceRequest, Operation> deleteInstanceCallable() {
    return deleteInstanceCallable;
  }

  @Override
  public OperationCallable<DeleteInstanceRequest, Empty, OperationMetadataV1>
      deleteInstanceOperationCallable() {
    return deleteInstanceOperationCallable;
  }

  @Override
  public UnaryCallable<DebugInstanceRequest, Operation> debugInstanceCallable() {
    return debugInstanceCallable;
  }

  @Override
  public OperationCallable<DebugInstanceRequest, Instance, OperationMetadataV1>
      debugInstanceOperationCallable() {
    return debugInstanceOperationCallable;
  }

  @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);
  }
}