HttpJsonRegionBackendServicesStub.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.cloud.compute.v1.stub;

import static com.google.cloud.compute.v1.RegionBackendServicesClient.ListPagedResponse;

import com.google.api.core.BetaApi;
import com.google.api.core.InternalApi;
import com.google.api.gax.core.BackgroundResource;
import com.google.api.gax.core.BackgroundResourceAggregation;
import com.google.api.gax.httpjson.ApiMethodDescriptor;
import com.google.api.gax.httpjson.HttpJsonCallSettings;
import com.google.api.gax.httpjson.HttpJsonOperationSnapshot;
import com.google.api.gax.httpjson.HttpJsonStubCallableFactory;
import com.google.api.gax.httpjson.ProtoMessageRequestFormatter;
import com.google.api.gax.httpjson.ProtoMessageResponseParser;
import com.google.api.gax.httpjson.ProtoRestSerializer;
import com.google.api.gax.rpc.ClientContext;
import com.google.api.gax.rpc.OperationCallable;
import com.google.api.gax.rpc.UnaryCallable;
import com.google.cloud.compute.v1.BackendService;
import com.google.cloud.compute.v1.BackendServiceGroupHealth;
import com.google.cloud.compute.v1.BackendServiceList;
import com.google.cloud.compute.v1.DeleteRegionBackendServiceRequest;
import com.google.cloud.compute.v1.GetHealthRegionBackendServiceRequest;
import com.google.cloud.compute.v1.GetIamPolicyRegionBackendServiceRequest;
import com.google.cloud.compute.v1.GetRegionBackendServiceRequest;
import com.google.cloud.compute.v1.InsertRegionBackendServiceRequest;
import com.google.cloud.compute.v1.ListRegionBackendServicesRequest;
import com.google.cloud.compute.v1.Operation;
import com.google.cloud.compute.v1.Operation.Status;
import com.google.cloud.compute.v1.PatchRegionBackendServiceRequest;
import com.google.cloud.compute.v1.Policy;
import com.google.cloud.compute.v1.SetIamPolicyRegionBackendServiceRequest;
import com.google.cloud.compute.v1.UpdateRegionBackendServiceRequest;
import com.google.protobuf.TypeRegistry;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.TimeUnit;
import javax.annotation.Generated;

// AUTO-GENERATED DOCUMENTATION AND CLASS.
/**
 * REST stub implementation for the RegionBackendServices service API.
 *
 * <p>This class is for advanced usage and reflects the underlying API directly.
 */
@Generated("by gapic-generator-java")
@BetaApi
public class HttpJsonRegionBackendServicesStub extends RegionBackendServicesStub {
  private static final TypeRegistry typeRegistry =
      TypeRegistry.newBuilder().add(Operation.getDescriptor()).build();

  private static final ApiMethodDescriptor<DeleteRegionBackendServiceRequest, Operation>
      deleteMethodDescriptor =
          ApiMethodDescriptor.<DeleteRegionBackendServiceRequest, Operation>newBuilder()
              .setFullMethodName("google.cloud.compute.v1.RegionBackendServices/Delete")
              .setHttpMethod("DELETE")
              .setType(ApiMethodDescriptor.MethodType.UNARY)
              .setRequestFormatter(
                  ProtoMessageRequestFormatter.<DeleteRegionBackendServiceRequest>newBuilder()
                      .setPath(
                          "/compute/v1/projects/{project}/regions/{region}/backendServices/{backendService}",
                          request -> {
                            Map<String, String> fields = new HashMap<>();
                            ProtoRestSerializer<DeleteRegionBackendServiceRequest> serializer =
                                ProtoRestSerializer.create();
                            serializer.putPathParam(
                                fields, "backendService", request.getBackendService());
                            serializer.putPathParam(fields, "project", request.getProject());
                            serializer.putPathParam(fields, "region", request.getRegion());
                            return fields;
                          })
                      .setQueryParamsExtractor(
                          request -> {
                            Map<String, List<String>> fields = new HashMap<>();
                            ProtoRestSerializer<DeleteRegionBackendServiceRequest> serializer =
                                ProtoRestSerializer.create();
                            if (request.hasRequestId()) {
                              serializer.putQueryParam(fields, "requestId", request.getRequestId());
                            }
                            return fields;
                          })
                      .setRequestBodyExtractor(request -> null)
                      .build())
              .setResponseParser(
                  ProtoMessageResponseParser.<Operation>newBuilder()
                      .setDefaultInstance(Operation.getDefaultInstance())
                      .setDefaultTypeRegistry(typeRegistry)
                      .build())
              .setOperationSnapshotFactory(
                  (DeleteRegionBackendServiceRequest request, Operation response) -> {
                    StringBuilder opName = new StringBuilder(response.getName());
                    opName.append(":").append(request.getProject());
                    opName.append(":").append(request.getRegion());
                    return HttpJsonOperationSnapshot.newBuilder()
                        .setName(opName.toString())
                        .setMetadata(response)
                        .setDone(Status.DONE.equals(response.getStatus()))
                        .setResponse(response)
                        .setError(response.getHttpErrorStatusCode(), response.getHttpErrorMessage())
                        .build();
                  })
              .build();

  private static final ApiMethodDescriptor<GetRegionBackendServiceRequest, BackendService>
      getMethodDescriptor =
          ApiMethodDescriptor.<GetRegionBackendServiceRequest, BackendService>newBuilder()
              .setFullMethodName("google.cloud.compute.v1.RegionBackendServices/Get")
              .setHttpMethod("GET")
              .setType(ApiMethodDescriptor.MethodType.UNARY)
              .setRequestFormatter(
                  ProtoMessageRequestFormatter.<GetRegionBackendServiceRequest>newBuilder()
                      .setPath(
                          "/compute/v1/projects/{project}/regions/{region}/backendServices/{backendService}",
                          request -> {
                            Map<String, String> fields = new HashMap<>();
                            ProtoRestSerializer<GetRegionBackendServiceRequest> serializer =
                                ProtoRestSerializer.create();
                            serializer.putPathParam(
                                fields, "backendService", request.getBackendService());
                            serializer.putPathParam(fields, "project", request.getProject());
                            serializer.putPathParam(fields, "region", request.getRegion());
                            return fields;
                          })
                      .setQueryParamsExtractor(
                          request -> {
                            Map<String, List<String>> fields = new HashMap<>();
                            ProtoRestSerializer<GetRegionBackendServiceRequest> serializer =
                                ProtoRestSerializer.create();
                            return fields;
                          })
                      .setRequestBodyExtractor(request -> null)
                      .build())
              .setResponseParser(
                  ProtoMessageResponseParser.<BackendService>newBuilder()
                      .setDefaultInstance(BackendService.getDefaultInstance())
                      .setDefaultTypeRegistry(typeRegistry)
                      .build())
              .build();

  private static final ApiMethodDescriptor<
          GetHealthRegionBackendServiceRequest, BackendServiceGroupHealth>
      getHealthMethodDescriptor =
          ApiMethodDescriptor
              .<GetHealthRegionBackendServiceRequest, BackendServiceGroupHealth>newBuilder()
              .setFullMethodName("google.cloud.compute.v1.RegionBackendServices/GetHealth")
              .setHttpMethod("POST")
              .setType(ApiMethodDescriptor.MethodType.UNARY)
              .setRequestFormatter(
                  ProtoMessageRequestFormatter.<GetHealthRegionBackendServiceRequest>newBuilder()
                      .setPath(
                          "/compute/v1/projects/{project}/regions/{region}/backendServices/{backendService}/getHealth",
                          request -> {
                            Map<String, String> fields = new HashMap<>();
                            ProtoRestSerializer<GetHealthRegionBackendServiceRequest> serializer =
                                ProtoRestSerializer.create();
                            serializer.putPathParam(
                                fields, "backendService", request.getBackendService());
                            serializer.putPathParam(fields, "project", request.getProject());
                            serializer.putPathParam(fields, "region", request.getRegion());
                            return fields;
                          })
                      .setQueryParamsExtractor(
                          request -> {
                            Map<String, List<String>> fields = new HashMap<>();
                            ProtoRestSerializer<GetHealthRegionBackendServiceRequest> serializer =
                                ProtoRestSerializer.create();
                            return fields;
                          })
                      .setRequestBodyExtractor(
                          request ->
                              ProtoRestSerializer.create()
                                  .toBody(
                                      "resourceGroupReferenceResource",
                                      request.getResourceGroupReferenceResource(),
                                      false))
                      .build())
              .setResponseParser(
                  ProtoMessageResponseParser.<BackendServiceGroupHealth>newBuilder()
                      .setDefaultInstance(BackendServiceGroupHealth.getDefaultInstance())
                      .setDefaultTypeRegistry(typeRegistry)
                      .build())
              .build();

  private static final ApiMethodDescriptor<GetIamPolicyRegionBackendServiceRequest, Policy>
      getIamPolicyMethodDescriptor =
          ApiMethodDescriptor.<GetIamPolicyRegionBackendServiceRequest, Policy>newBuilder()
              .setFullMethodName("google.cloud.compute.v1.RegionBackendServices/GetIamPolicy")
              .setHttpMethod("GET")
              .setType(ApiMethodDescriptor.MethodType.UNARY)
              .setRequestFormatter(
                  ProtoMessageRequestFormatter.<GetIamPolicyRegionBackendServiceRequest>newBuilder()
                      .setPath(
                          "/compute/v1/projects/{project}/regions/{region}/backendServices/{resource}/getIamPolicy",
                          request -> {
                            Map<String, String> fields = new HashMap<>();
                            ProtoRestSerializer<GetIamPolicyRegionBackendServiceRequest>
                                serializer = ProtoRestSerializer.create();
                            serializer.putPathParam(fields, "project", request.getProject());
                            serializer.putPathParam(fields, "region", request.getRegion());
                            serializer.putPathParam(fields, "resource", request.getResource());
                            return fields;
                          })
                      .setQueryParamsExtractor(
                          request -> {
                            Map<String, List<String>> fields = new HashMap<>();
                            ProtoRestSerializer<GetIamPolicyRegionBackendServiceRequest>
                                serializer = ProtoRestSerializer.create();
                            if (request.hasOptionsRequestedPolicyVersion()) {
                              serializer.putQueryParam(
                                  fields,
                                  "optionsRequestedPolicyVersion",
                                  request.getOptionsRequestedPolicyVersion());
                            }
                            return fields;
                          })
                      .setRequestBodyExtractor(request -> null)
                      .build())
              .setResponseParser(
                  ProtoMessageResponseParser.<Policy>newBuilder()
                      .setDefaultInstance(Policy.getDefaultInstance())
                      .setDefaultTypeRegistry(typeRegistry)
                      .build())
              .build();

  private static final ApiMethodDescriptor<InsertRegionBackendServiceRequest, Operation>
      insertMethodDescriptor =
          ApiMethodDescriptor.<InsertRegionBackendServiceRequest, Operation>newBuilder()
              .setFullMethodName("google.cloud.compute.v1.RegionBackendServices/Insert")
              .setHttpMethod("POST")
              .setType(ApiMethodDescriptor.MethodType.UNARY)
              .setRequestFormatter(
                  ProtoMessageRequestFormatter.<InsertRegionBackendServiceRequest>newBuilder()
                      .setPath(
                          "/compute/v1/projects/{project}/regions/{region}/backendServices",
                          request -> {
                            Map<String, String> fields = new HashMap<>();
                            ProtoRestSerializer<InsertRegionBackendServiceRequest> serializer =
                                ProtoRestSerializer.create();
                            serializer.putPathParam(fields, "project", request.getProject());
                            serializer.putPathParam(fields, "region", request.getRegion());
                            return fields;
                          })
                      .setQueryParamsExtractor(
                          request -> {
                            Map<String, List<String>> fields = new HashMap<>();
                            ProtoRestSerializer<InsertRegionBackendServiceRequest> serializer =
                                ProtoRestSerializer.create();
                            if (request.hasRequestId()) {
                              serializer.putQueryParam(fields, "requestId", request.getRequestId());
                            }
                            return fields;
                          })
                      .setRequestBodyExtractor(
                          request ->
                              ProtoRestSerializer.create()
                                  .toBody(
                                      "backendServiceResource",
                                      request.getBackendServiceResource(),
                                      false))
                      .build())
              .setResponseParser(
                  ProtoMessageResponseParser.<Operation>newBuilder()
                      .setDefaultInstance(Operation.getDefaultInstance())
                      .setDefaultTypeRegistry(typeRegistry)
                      .build())
              .setOperationSnapshotFactory(
                  (InsertRegionBackendServiceRequest request, Operation response) -> {
                    StringBuilder opName = new StringBuilder(response.getName());
                    opName.append(":").append(request.getProject());
                    opName.append(":").append(request.getRegion());
                    return HttpJsonOperationSnapshot.newBuilder()
                        .setName(opName.toString())
                        .setMetadata(response)
                        .setDone(Status.DONE.equals(response.getStatus()))
                        .setResponse(response)
                        .setError(response.getHttpErrorStatusCode(), response.getHttpErrorMessage())
                        .build();
                  })
              .build();

  private static final ApiMethodDescriptor<ListRegionBackendServicesRequest, BackendServiceList>
      listMethodDescriptor =
          ApiMethodDescriptor.<ListRegionBackendServicesRequest, BackendServiceList>newBuilder()
              .setFullMethodName("google.cloud.compute.v1.RegionBackendServices/List")
              .setHttpMethod("GET")
              .setType(ApiMethodDescriptor.MethodType.UNARY)
              .setRequestFormatter(
                  ProtoMessageRequestFormatter.<ListRegionBackendServicesRequest>newBuilder()
                      .setPath(
                          "/compute/v1/projects/{project}/regions/{region}/backendServices",
                          request -> {
                            Map<String, String> fields = new HashMap<>();
                            ProtoRestSerializer<ListRegionBackendServicesRequest> serializer =
                                ProtoRestSerializer.create();
                            serializer.putPathParam(fields, "project", request.getProject());
                            serializer.putPathParam(fields, "region", request.getRegion());
                            return fields;
                          })
                      .setQueryParamsExtractor(
                          request -> {
                            Map<String, List<String>> fields = new HashMap<>();
                            ProtoRestSerializer<ListRegionBackendServicesRequest> serializer =
                                ProtoRestSerializer.create();
                            if (request.hasFilter()) {
                              serializer.putQueryParam(fields, "filter", request.getFilter());
                            }
                            if (request.hasMaxResults()) {
                              serializer.putQueryParam(
                                  fields, "maxResults", request.getMaxResults());
                            }
                            if (request.hasOrderBy()) {
                              serializer.putQueryParam(fields, "orderBy", request.getOrderBy());
                            }
                            if (request.hasPageToken()) {
                              serializer.putQueryParam(fields, "pageToken", request.getPageToken());
                            }
                            if (request.hasReturnPartialSuccess()) {
                              serializer.putQueryParam(
                                  fields,
                                  "returnPartialSuccess",
                                  request.getReturnPartialSuccess());
                            }
                            return fields;
                          })
                      .setRequestBodyExtractor(request -> null)
                      .build())
              .setResponseParser(
                  ProtoMessageResponseParser.<BackendServiceList>newBuilder()
                      .setDefaultInstance(BackendServiceList.getDefaultInstance())
                      .setDefaultTypeRegistry(typeRegistry)
                      .build())
              .build();

  private static final ApiMethodDescriptor<PatchRegionBackendServiceRequest, Operation>
      patchMethodDescriptor =
          ApiMethodDescriptor.<PatchRegionBackendServiceRequest, Operation>newBuilder()
              .setFullMethodName("google.cloud.compute.v1.RegionBackendServices/Patch")
              .setHttpMethod("PATCH")
              .setType(ApiMethodDescriptor.MethodType.UNARY)
              .setRequestFormatter(
                  ProtoMessageRequestFormatter.<PatchRegionBackendServiceRequest>newBuilder()
                      .setPath(
                          "/compute/v1/projects/{project}/regions/{region}/backendServices/{backendService}",
                          request -> {
                            Map<String, String> fields = new HashMap<>();
                            ProtoRestSerializer<PatchRegionBackendServiceRequest> serializer =
                                ProtoRestSerializer.create();
                            serializer.putPathParam(
                                fields, "backendService", request.getBackendService());
                            serializer.putPathParam(fields, "project", request.getProject());
                            serializer.putPathParam(fields, "region", request.getRegion());
                            return fields;
                          })
                      .setQueryParamsExtractor(
                          request -> {
                            Map<String, List<String>> fields = new HashMap<>();
                            ProtoRestSerializer<PatchRegionBackendServiceRequest> serializer =
                                ProtoRestSerializer.create();
                            if (request.hasRequestId()) {
                              serializer.putQueryParam(fields, "requestId", request.getRequestId());
                            }
                            return fields;
                          })
                      .setRequestBodyExtractor(
                          request ->
                              ProtoRestSerializer.create()
                                  .toBody(
                                      "backendServiceResource",
                                      request.getBackendServiceResource(),
                                      false))
                      .build())
              .setResponseParser(
                  ProtoMessageResponseParser.<Operation>newBuilder()
                      .setDefaultInstance(Operation.getDefaultInstance())
                      .setDefaultTypeRegistry(typeRegistry)
                      .build())
              .setOperationSnapshotFactory(
                  (PatchRegionBackendServiceRequest request, Operation response) -> {
                    StringBuilder opName = new StringBuilder(response.getName());
                    opName.append(":").append(request.getProject());
                    opName.append(":").append(request.getRegion());
                    return HttpJsonOperationSnapshot.newBuilder()
                        .setName(opName.toString())
                        .setMetadata(response)
                        .setDone(Status.DONE.equals(response.getStatus()))
                        .setResponse(response)
                        .setError(response.getHttpErrorStatusCode(), response.getHttpErrorMessage())
                        .build();
                  })
              .build();

  private static final ApiMethodDescriptor<SetIamPolicyRegionBackendServiceRequest, Policy>
      setIamPolicyMethodDescriptor =
          ApiMethodDescriptor.<SetIamPolicyRegionBackendServiceRequest, Policy>newBuilder()
              .setFullMethodName("google.cloud.compute.v1.RegionBackendServices/SetIamPolicy")
              .setHttpMethod("POST")
              .setType(ApiMethodDescriptor.MethodType.UNARY)
              .setRequestFormatter(
                  ProtoMessageRequestFormatter.<SetIamPolicyRegionBackendServiceRequest>newBuilder()
                      .setPath(
                          "/compute/v1/projects/{project}/regions/{region}/backendServices/{resource}/setIamPolicy",
                          request -> {
                            Map<String, String> fields = new HashMap<>();
                            ProtoRestSerializer<SetIamPolicyRegionBackendServiceRequest>
                                serializer = ProtoRestSerializer.create();
                            serializer.putPathParam(fields, "project", request.getProject());
                            serializer.putPathParam(fields, "region", request.getRegion());
                            serializer.putPathParam(fields, "resource", request.getResource());
                            return fields;
                          })
                      .setQueryParamsExtractor(
                          request -> {
                            Map<String, List<String>> fields = new HashMap<>();
                            ProtoRestSerializer<SetIamPolicyRegionBackendServiceRequest>
                                serializer = ProtoRestSerializer.create();
                            return fields;
                          })
                      .setRequestBodyExtractor(
                          request ->
                              ProtoRestSerializer.create()
                                  .toBody(
                                      "regionSetPolicyRequestResource",
                                      request.getRegionSetPolicyRequestResource(),
                                      false))
                      .build())
              .setResponseParser(
                  ProtoMessageResponseParser.<Policy>newBuilder()
                      .setDefaultInstance(Policy.getDefaultInstance())
                      .setDefaultTypeRegistry(typeRegistry)
                      .build())
              .build();

  private static final ApiMethodDescriptor<UpdateRegionBackendServiceRequest, Operation>
      updateMethodDescriptor =
          ApiMethodDescriptor.<UpdateRegionBackendServiceRequest, Operation>newBuilder()
              .setFullMethodName("google.cloud.compute.v1.RegionBackendServices/Update")
              .setHttpMethod("PUT")
              .setType(ApiMethodDescriptor.MethodType.UNARY)
              .setRequestFormatter(
                  ProtoMessageRequestFormatter.<UpdateRegionBackendServiceRequest>newBuilder()
                      .setPath(
                          "/compute/v1/projects/{project}/regions/{region}/backendServices/{backendService}",
                          request -> {
                            Map<String, String> fields = new HashMap<>();
                            ProtoRestSerializer<UpdateRegionBackendServiceRequest> serializer =
                                ProtoRestSerializer.create();
                            serializer.putPathParam(
                                fields, "backendService", request.getBackendService());
                            serializer.putPathParam(fields, "project", request.getProject());
                            serializer.putPathParam(fields, "region", request.getRegion());
                            return fields;
                          })
                      .setQueryParamsExtractor(
                          request -> {
                            Map<String, List<String>> fields = new HashMap<>();
                            ProtoRestSerializer<UpdateRegionBackendServiceRequest> serializer =
                                ProtoRestSerializer.create();
                            if (request.hasRequestId()) {
                              serializer.putQueryParam(fields, "requestId", request.getRequestId());
                            }
                            return fields;
                          })
                      .setRequestBodyExtractor(
                          request ->
                              ProtoRestSerializer.create()
                                  .toBody(
                                      "backendServiceResource",
                                      request.getBackendServiceResource(),
                                      false))
                      .build())
              .setResponseParser(
                  ProtoMessageResponseParser.<Operation>newBuilder()
                      .setDefaultInstance(Operation.getDefaultInstance())
                      .setDefaultTypeRegistry(typeRegistry)
                      .build())
              .setOperationSnapshotFactory(
                  (UpdateRegionBackendServiceRequest request, Operation response) -> {
                    StringBuilder opName = new StringBuilder(response.getName());
                    opName.append(":").append(request.getProject());
                    opName.append(":").append(request.getRegion());
                    return HttpJsonOperationSnapshot.newBuilder()
                        .setName(opName.toString())
                        .setMetadata(response)
                        .setDone(Status.DONE.equals(response.getStatus()))
                        .setResponse(response)
                        .setError(response.getHttpErrorStatusCode(), response.getHttpErrorMessage())
                        .build();
                  })
              .build();

  private final UnaryCallable<DeleteRegionBackendServiceRequest, Operation> deleteCallable;
  private final OperationCallable<DeleteRegionBackendServiceRequest, Operation, Operation>
      deleteOperationCallable;
  private final UnaryCallable<GetRegionBackendServiceRequest, BackendService> getCallable;
  private final UnaryCallable<GetHealthRegionBackendServiceRequest, BackendServiceGroupHealth>
      getHealthCallable;
  private final UnaryCallable<GetIamPolicyRegionBackendServiceRequest, Policy> getIamPolicyCallable;
  private final UnaryCallable<InsertRegionBackendServiceRequest, Operation> insertCallable;
  private final OperationCallable<InsertRegionBackendServiceRequest, Operation, Operation>
      insertOperationCallable;
  private final UnaryCallable<ListRegionBackendServicesRequest, BackendServiceList> listCallable;
  private final UnaryCallable<ListRegionBackendServicesRequest, ListPagedResponse>
      listPagedCallable;
  private final UnaryCallable<PatchRegionBackendServiceRequest, Operation> patchCallable;
  private final OperationCallable<PatchRegionBackendServiceRequest, Operation, Operation>
      patchOperationCallable;
  private final UnaryCallable<SetIamPolicyRegionBackendServiceRequest, Policy> setIamPolicyCallable;
  private final UnaryCallable<UpdateRegionBackendServiceRequest, Operation> updateCallable;
  private final OperationCallable<UpdateRegionBackendServiceRequest, Operation, Operation>
      updateOperationCallable;

  private final BackgroundResource backgroundResources;
  private final HttpJsonRegionOperationsStub httpJsonOperationsStub;
  private final HttpJsonStubCallableFactory callableFactory;

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

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

  public static final HttpJsonRegionBackendServicesStub create(
      ClientContext clientContext, HttpJsonStubCallableFactory callableFactory) throws IOException {
    return new HttpJsonRegionBackendServicesStub(
        RegionBackendServicesStubSettings.newBuilder().build(), clientContext, callableFactory);
  }

  /**
   * Constructs an instance of HttpJsonRegionBackendServicesStub, 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 HttpJsonRegionBackendServicesStub(
      RegionBackendServicesStubSettings settings, ClientContext clientContext) throws IOException {
    this(settings, clientContext, new HttpJsonRegionBackendServicesCallableFactory());
  }

  /**
   * Constructs an instance of HttpJsonRegionBackendServicesStub, 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 HttpJsonRegionBackendServicesStub(
      RegionBackendServicesStubSettings settings,
      ClientContext clientContext,
      HttpJsonStubCallableFactory callableFactory)
      throws IOException {
    this.callableFactory = callableFactory;
    this.httpJsonOperationsStub =
        HttpJsonRegionOperationsStub.create(clientContext, callableFactory);

    HttpJsonCallSettings<DeleteRegionBackendServiceRequest, Operation> deleteTransportSettings =
        HttpJsonCallSettings.<DeleteRegionBackendServiceRequest, Operation>newBuilder()
            .setMethodDescriptor(deleteMethodDescriptor)
            .setTypeRegistry(typeRegistry)
            .build();
    HttpJsonCallSettings<GetRegionBackendServiceRequest, BackendService> getTransportSettings =
        HttpJsonCallSettings.<GetRegionBackendServiceRequest, BackendService>newBuilder()
            .setMethodDescriptor(getMethodDescriptor)
            .setTypeRegistry(typeRegistry)
            .build();
    HttpJsonCallSettings<GetHealthRegionBackendServiceRequest, BackendServiceGroupHealth>
        getHealthTransportSettings =
            HttpJsonCallSettings
                .<GetHealthRegionBackendServiceRequest, BackendServiceGroupHealth>newBuilder()
                .setMethodDescriptor(getHealthMethodDescriptor)
                .setTypeRegistry(typeRegistry)
                .build();
    HttpJsonCallSettings<GetIamPolicyRegionBackendServiceRequest, Policy>
        getIamPolicyTransportSettings =
            HttpJsonCallSettings.<GetIamPolicyRegionBackendServiceRequest, Policy>newBuilder()
                .setMethodDescriptor(getIamPolicyMethodDescriptor)
                .setTypeRegistry(typeRegistry)
                .build();
    HttpJsonCallSettings<InsertRegionBackendServiceRequest, Operation> insertTransportSettings =
        HttpJsonCallSettings.<InsertRegionBackendServiceRequest, Operation>newBuilder()
            .setMethodDescriptor(insertMethodDescriptor)
            .setTypeRegistry(typeRegistry)
            .build();
    HttpJsonCallSettings<ListRegionBackendServicesRequest, BackendServiceList>
        listTransportSettings =
            HttpJsonCallSettings.<ListRegionBackendServicesRequest, BackendServiceList>newBuilder()
                .setMethodDescriptor(listMethodDescriptor)
                .setTypeRegistry(typeRegistry)
                .build();
    HttpJsonCallSettings<PatchRegionBackendServiceRequest, Operation> patchTransportSettings =
        HttpJsonCallSettings.<PatchRegionBackendServiceRequest, Operation>newBuilder()
            .setMethodDescriptor(patchMethodDescriptor)
            .setTypeRegistry(typeRegistry)
            .build();
    HttpJsonCallSettings<SetIamPolicyRegionBackendServiceRequest, Policy>
        setIamPolicyTransportSettings =
            HttpJsonCallSettings.<SetIamPolicyRegionBackendServiceRequest, Policy>newBuilder()
                .setMethodDescriptor(setIamPolicyMethodDescriptor)
                .setTypeRegistry(typeRegistry)
                .build();
    HttpJsonCallSettings<UpdateRegionBackendServiceRequest, Operation> updateTransportSettings =
        HttpJsonCallSettings.<UpdateRegionBackendServiceRequest, Operation>newBuilder()
            .setMethodDescriptor(updateMethodDescriptor)
            .setTypeRegistry(typeRegistry)
            .build();

    this.deleteCallable =
        callableFactory.createUnaryCallable(
            deleteTransportSettings, settings.deleteSettings(), clientContext);
    this.deleteOperationCallable =
        callableFactory.createOperationCallable(
            deleteTransportSettings,
            settings.deleteOperationSettings(),
            clientContext,
            httpJsonOperationsStub);
    this.getCallable =
        callableFactory.createUnaryCallable(
            getTransportSettings, settings.getSettings(), clientContext);
    this.getHealthCallable =
        callableFactory.createUnaryCallable(
            getHealthTransportSettings, settings.getHealthSettings(), clientContext);
    this.getIamPolicyCallable =
        callableFactory.createUnaryCallable(
            getIamPolicyTransportSettings, settings.getIamPolicySettings(), clientContext);
    this.insertCallable =
        callableFactory.createUnaryCallable(
            insertTransportSettings, settings.insertSettings(), clientContext);
    this.insertOperationCallable =
        callableFactory.createOperationCallable(
            insertTransportSettings,
            settings.insertOperationSettings(),
            clientContext,
            httpJsonOperationsStub);
    this.listCallable =
        callableFactory.createUnaryCallable(
            listTransportSettings, settings.listSettings(), clientContext);
    this.listPagedCallable =
        callableFactory.createPagedCallable(
            listTransportSettings, settings.listSettings(), clientContext);
    this.patchCallable =
        callableFactory.createUnaryCallable(
            patchTransportSettings, settings.patchSettings(), clientContext);
    this.patchOperationCallable =
        callableFactory.createOperationCallable(
            patchTransportSettings,
            settings.patchOperationSettings(),
            clientContext,
            httpJsonOperationsStub);
    this.setIamPolicyCallable =
        callableFactory.createUnaryCallable(
            setIamPolicyTransportSettings, settings.setIamPolicySettings(), clientContext);
    this.updateCallable =
        callableFactory.createUnaryCallable(
            updateTransportSettings, settings.updateSettings(), clientContext);
    this.updateOperationCallable =
        callableFactory.createOperationCallable(
            updateTransportSettings,
            settings.updateOperationSettings(),
            clientContext,
            httpJsonOperationsStub);

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

  @InternalApi
  public static List<ApiMethodDescriptor> getMethodDescriptors() {
    List<ApiMethodDescriptor> methodDescriptors = new ArrayList<>();
    methodDescriptors.add(deleteMethodDescriptor);
    methodDescriptors.add(getMethodDescriptor);
    methodDescriptors.add(getHealthMethodDescriptor);
    methodDescriptors.add(getIamPolicyMethodDescriptor);
    methodDescriptors.add(insertMethodDescriptor);
    methodDescriptors.add(listMethodDescriptor);
    methodDescriptors.add(patchMethodDescriptor);
    methodDescriptors.add(setIamPolicyMethodDescriptor);
    methodDescriptors.add(updateMethodDescriptor);
    return methodDescriptors;
  }

  @Override
  public UnaryCallable<DeleteRegionBackendServiceRequest, Operation> deleteCallable() {
    return deleteCallable;
  }

  @Override
  public OperationCallable<DeleteRegionBackendServiceRequest, Operation, Operation>
      deleteOperationCallable() {
    return deleteOperationCallable;
  }

  @Override
  public UnaryCallable<GetRegionBackendServiceRequest, BackendService> getCallable() {
    return getCallable;
  }

  @Override
  public UnaryCallable<GetHealthRegionBackendServiceRequest, BackendServiceGroupHealth>
      getHealthCallable() {
    return getHealthCallable;
  }

  @Override
  public UnaryCallable<GetIamPolicyRegionBackendServiceRequest, Policy> getIamPolicyCallable() {
    return getIamPolicyCallable;
  }

  @Override
  public UnaryCallable<InsertRegionBackendServiceRequest, Operation> insertCallable() {
    return insertCallable;
  }

  @Override
  public OperationCallable<InsertRegionBackendServiceRequest, Operation, Operation>
      insertOperationCallable() {
    return insertOperationCallable;
  }

  @Override
  public UnaryCallable<ListRegionBackendServicesRequest, BackendServiceList> listCallable() {
    return listCallable;
  }

  @Override
  public UnaryCallable<ListRegionBackendServicesRequest, ListPagedResponse> listPagedCallable() {
    return listPagedCallable;
  }

  @Override
  public UnaryCallable<PatchRegionBackendServiceRequest, Operation> patchCallable() {
    return patchCallable;
  }

  @Override
  public OperationCallable<PatchRegionBackendServiceRequest, Operation, Operation>
      patchOperationCallable() {
    return patchOperationCallable;
  }

  @Override
  public UnaryCallable<SetIamPolicyRegionBackendServiceRequest, Policy> setIamPolicyCallable() {
    return setIamPolicyCallable;
  }

  @Override
  public UnaryCallable<UpdateRegionBackendServiceRequest, Operation> updateCallable() {
    return updateCallable;
  }

  @Override
  public OperationCallable<UpdateRegionBackendServiceRequest, Operation, Operation>
      updateOperationCallable() {
    return updateOperationCallable;
  }

  @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);
  }
}