com.google.cloud.apigeeconnect.v1.stub.ConnectionServiceStubSettings Maven / Gradle / Ivy

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Apigee Connect allows the Apigee hybrid management plane to connect securely to the MART service in the runtime plane without requiring you to expose the MART endpoint on the internet.
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/*
 * Copyright 2024 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.apigeeconnect.v1.stub;

import static com.google.cloud.apigeeconnect.v1.ConnectionServiceClient.ListConnectionsPagedResponse;

import com.google.api.core.ApiFunction;
import com.google.api.core.ApiFuture;
import com.google.api.core.BetaApi;
import com.google.api.gax.core.GaxProperties;
import com.google.api.gax.core.GoogleCredentialsProvider;
import com.google.api.gax.core.InstantiatingExecutorProvider;
import com.google.api.gax.grpc.GaxGrpcProperties;
import com.google.api.gax.grpc.GrpcTransportChannel;
import com.google.api.gax.grpc.InstantiatingGrpcChannelProvider;
import com.google.api.gax.httpjson.GaxHttpJsonProperties;
import com.google.api.gax.httpjson.HttpJsonTransportChannel;
import com.google.api.gax.httpjson.InstantiatingHttpJsonChannelProvider;
import com.google.api.gax.retrying.RetrySettings;
import com.google.api.gax.rpc.ApiCallContext;
import com.google.api.gax.rpc.ApiClientHeaderProvider;
import com.google.api.gax.rpc.ClientContext;
import com.google.api.gax.rpc.PageContext;
import com.google.api.gax.rpc.PagedCallSettings;
import com.google.api.gax.rpc.PagedListDescriptor;
import com.google.api.gax.rpc.PagedListResponseFactory;
import com.google.api.gax.rpc.StatusCode;
import com.google.api.gax.rpc.StubSettings;
import com.google.api.gax.rpc.TransportChannelProvider;
import com.google.api.gax.rpc.UnaryCallSettings;
import com.google.api.gax.rpc.UnaryCallable;
import com.google.cloud.apigeeconnect.v1.Connection;
import com.google.cloud.apigeeconnect.v1.ListConnectionsRequest;
import com.google.cloud.apigeeconnect.v1.ListConnectionsResponse;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Lists;
import java.io.IOException;
import java.util.List;
import javax.annotation.Generated;
import org.threeten.bp.Duration;

// AUTO-GENERATED DOCUMENTATION AND CLASS.
/**
 * Settings class to configure an instance of {@link ConnectionServiceStub}.
 *
 * The default instance has everything set to sensible defaults:
 *
 * 

 *   The default service address (apigeeconnect.googleapis.com) and default port (443) are used.
 *   
Credentials are acquired automatically through Application Default Credentials.
 *   
Retries are configured for idempotent methods but not for non-idempotent methods.
 * 
 *
 * The builder of this class is recursive, so contained classes are themselves builders. When
 * build() is called, the tree of builders is called to create the complete settings object.
 *
 * 
For example, to set the total timeout of listConnections to 30 seconds:
 *
 * 
{@code
 * // This snippet has been automatically generated and should be regarded as a code template only.
 * // It will require modifications to work:
 * // - It may require correct/in-range values for request initialization.
 * // - It may require specifying regional endpoints when creating the service client as shown in
 * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 * ConnectionServiceStubSettings.Builder connectionServiceSettingsBuilder =
 *     ConnectionServiceStubSettings.newBuilder();
 * connectionServiceSettingsBuilder
 *     .listConnectionsSettings()
 *     .setRetrySettings(
 *         connectionServiceSettingsBuilder
 *             .listConnectionsSettings()
 *             .getRetrySettings()
 *             .toBuilder()
 *             .setTotalTimeout(Duration.ofSeconds(30))
 *             .build());
 * ConnectionServiceStubSettings connectionServiceSettings =
 *     connectionServiceSettingsBuilder.build();
 * }
 */
@Generated("by gapic-generator-java")
public class ConnectionServiceStubSettings extends StubSettings {
  /** The default scopes of the service. */
  private static final ImmutableList DEFAULT_SERVICE_SCOPES =
      ImmutableList.builder().add("https://www.googleapis.com/auth/cloud-platform").build();

  private final PagedCallSettings<
          ListConnectionsRequest, ListConnectionsResponse, ListConnectionsPagedResponse>
      listConnectionsSettings;

  private static final PagedListDescriptor<
          ListConnectionsRequest, ListConnectionsResponse, Connection>
      LIST_CONNECTIONS_PAGE_STR_DESC =
          new PagedListDescriptor() {
            @Override
            public String emptyToken() {
              return "";
            }

            @Override
            public ListConnectionsRequest injectToken(
                ListConnectionsRequest payload, String token) {
              return ListConnectionsRequest.newBuilder(payload).setPageToken(token).build();
            }

            @Override
            public ListConnectionsRequest injectPageSize(
                ListConnectionsRequest payload, int pageSize) {
              return ListConnectionsRequest.newBuilder(payload).setPageSize(pageSize).build();
            }

            @Override
            public Integer extractPageSize(ListConnectionsRequest payload) {
              return payload.getPageSize();
            }

            @Override
            public String extractNextToken(ListConnectionsResponse payload) {
              return payload.getNextPageToken();
            }

            @Override
            public Iterable extractResources(ListConnectionsResponse payload) {
              return payload.getConnectionsList() == null
                  ? ImmutableList.of()
                  : payload.getConnectionsList();
            }
          };

  private static final PagedListResponseFactory<
          ListConnectionsRequest, ListConnectionsResponse, ListConnectionsPagedResponse>
      LIST_CONNECTIONS_PAGE_STR_FACT =
          new PagedListResponseFactory<
              ListConnectionsRequest, ListConnectionsResponse, ListConnectionsPagedResponse>() {
            @Override
            public ApiFuture getFuturePagedResponse(
                UnaryCallable callable,
                ListConnectionsRequest request,
                ApiCallContext context,
                ApiFuture futureResponse) {
              PageContext pageContext =
                  PageContext.create(callable, LIST_CONNECTIONS_PAGE_STR_DESC, request, context);
              return ListConnectionsPagedResponse.createAsync(pageContext, futureResponse);
            }
          };

  /** Returns the object with the settings used for calls to listConnections. */
  public PagedCallSettings<
          ListConnectionsRequest, ListConnectionsResponse, ListConnectionsPagedResponse>
      listConnectionsSettings() {
    return listConnectionsSettings;
  }

  public ConnectionServiceStub createStub() throws IOException {
    if (getTransportChannelProvider()
        .getTransportName()
        .equals(GrpcTransportChannel.getGrpcTransportName())) {
      return GrpcConnectionServiceStub.create(this);
    }
    if (getTransportChannelProvider()
        .getTransportName()
        .equals(HttpJsonTransportChannel.getHttpJsonTransportName())) {
      return HttpJsonConnectionServiceStub.create(this);
    }
    throw new UnsupportedOperationException(
        String.format(
            "Transport not supported: %s", getTransportChannelProvider().getTransportName()));
  }

  /** Returns the endpoint set by the user or the the service's default endpoint. */
  @Override
  public String getEndpoint() {
    if (super.getEndpoint() != null) {
      return super.getEndpoint();
    }
    return getDefaultEndpoint();
  }

  /** Returns the default service name. */
  @Override
  public String getServiceName() {
    return "apigeeconnect";
  }

  /** Returns a builder for the default ExecutorProvider for this service. */
  public static InstantiatingExecutorProvider.Builder defaultExecutorProviderBuilder() {
    return InstantiatingExecutorProvider.newBuilder();
  }

  /** Returns the default service endpoint. */
  public static String getDefaultEndpoint() {
    return "apigeeconnect.googleapis.com:443";
  }

  /** Returns the default mTLS service endpoint. */
  public static String getDefaultMtlsEndpoint() {
    return "apigeeconnect.mtls.googleapis.com:443";
  }

  /** Returns the default service scopes. */
  public static List getDefaultServiceScopes() {
    return DEFAULT_SERVICE_SCOPES;
  }

  /** Returns a builder for the default credentials for this service. */
  public static GoogleCredentialsProvider.Builder defaultCredentialsProviderBuilder() {
    return GoogleCredentialsProvider.newBuilder()
        .setScopesToApply(DEFAULT_SERVICE_SCOPES)
        .setUseJwtAccessWithScope(true);
  }

  /** Returns a builder for the default gRPC ChannelProvider for this service. */
  public static InstantiatingGrpcChannelProvider.Builder defaultGrpcTransportProviderBuilder() {
    return InstantiatingGrpcChannelProvider.newBuilder()
        .setMaxInboundMessageSize(Integer.MAX_VALUE);
  }

  /** Returns a builder for the default REST ChannelProvider for this service. */
  @BetaApi
  public static InstantiatingHttpJsonChannelProvider.Builder
      defaultHttpJsonTransportProviderBuilder() {
    return InstantiatingHttpJsonChannelProvider.newBuilder();
  }

  public static TransportChannelProvider defaultTransportChannelProvider() {
    return defaultGrpcTransportProviderBuilder().build();
  }

  public static ApiClientHeaderProvider.Builder defaultGrpcApiClientHeaderProviderBuilder() {
    return ApiClientHeaderProvider.newBuilder()
        .setGeneratedLibToken(
            "gapic", GaxProperties.getLibraryVersion(ConnectionServiceStubSettings.class))
        .setTransportToken(
            GaxGrpcProperties.getGrpcTokenName(), GaxGrpcProperties.getGrpcVersion());
  }

  public static ApiClientHeaderProvider.Builder defaultHttpJsonApiClientHeaderProviderBuilder() {
    return ApiClientHeaderProvider.newBuilder()
        .setGeneratedLibToken(
            "gapic", GaxProperties.getLibraryVersion(ConnectionServiceStubSettings.class))
        .setTransportToken(
            GaxHttpJsonProperties.getHttpJsonTokenName(),
            GaxHttpJsonProperties.getHttpJsonVersion());
  }

  public static ApiClientHeaderProvider.Builder defaultApiClientHeaderProviderBuilder() {
    return ConnectionServiceStubSettings.defaultGrpcApiClientHeaderProviderBuilder();
  }

  /** Returns a new gRPC builder for this class. */
  public static Builder newBuilder() {
    return Builder.createDefault();
  }

  /** Returns a new REST builder for this class. */
  public static Builder newHttpJsonBuilder() {
    return Builder.createHttpJsonDefault();
  }

  /** Returns a new builder for this class. */
  public static Builder newBuilder(ClientContext clientContext) {
    return new Builder(clientContext);
  }

  /** Returns a builder containing all the values of this settings class. */
  public Builder toBuilder() {
    return new Builder(this);
  }

  protected ConnectionServiceStubSettings(Builder settingsBuilder) throws IOException {
    super(settingsBuilder);

    listConnectionsSettings = settingsBuilder.listConnectionsSettings().build();
  }

  /** Builder for ConnectionServiceStubSettings. */
  public static class Builder extends StubSettings.Builder {
    private final ImmutableList> unaryMethodSettingsBuilders;
    private final PagedCallSettings.Builder<
            ListConnectionsRequest, ListConnectionsResponse, ListConnectionsPagedResponse>
        listConnectionsSettings;
    private static final ImmutableMap>
        RETRYABLE_CODE_DEFINITIONS;

    static {
      ImmutableMap.Builder> definitions =
          ImmutableMap.builder();
      definitions.put(
          "retry_policy_0_codes",
          ImmutableSet.copyOf(
              Lists.newArrayList(
                  StatusCode.Code.UNAVAILABLE, StatusCode.Code.UNKNOWN)));
      RETRYABLE_CODE_DEFINITIONS = definitions.build();
    }

    private static final ImmutableMap RETRY_PARAM_DEFINITIONS;

    static {
      ImmutableMap.Builder definitions = ImmutableMap.builder();
      RetrySettings settings = null;
      settings =
          RetrySettings.newBuilder()
              .setInitialRetryDelay(Duration.ofMillis(1000L))
              .setRetryDelayMultiplier(1.3)
              .setMaxRetryDelay(Duration.ofMillis(60000L))
              .setInitialRpcTimeout(Duration.ofMillis(60000L))
              .setRpcTimeoutMultiplier(1.0)
              .setMaxRpcTimeout(Duration.ofMillis(60000L))
              .setTotalTimeout(Duration.ofMillis(60000L))
              .build();
      definitions.put("retry_policy_0_params", settings);
      RETRY_PARAM_DEFINITIONS = definitions.build();
    }

    protected Builder() {
      this(((ClientContext) null));
    }

    protected Builder(ClientContext clientContext) {
      super(clientContext);

      listConnectionsSettings = PagedCallSettings.newBuilder(LIST_CONNECTIONS_PAGE_STR_FACT);

      unaryMethodSettingsBuilders =
          ImmutableList.>of(listConnectionsSettings);
      initDefaults(this);
    }

    protected Builder(ConnectionServiceStubSettings settings) {
      super(settings);

      listConnectionsSettings = settings.listConnectionsSettings.toBuilder();

      unaryMethodSettingsBuilders =
          ImmutableList.>of(listConnectionsSettings);
    }

    private static Builder createDefault() {
      Builder builder = new Builder(((ClientContext) null));

      builder.setTransportChannelProvider(defaultTransportChannelProvider());
      builder.setCredentialsProvider(defaultCredentialsProviderBuilder().build());
      builder.setInternalHeaderProvider(defaultApiClientHeaderProviderBuilder().build());
      builder.setMtlsEndpoint(getDefaultMtlsEndpoint());
      builder.setSwitchToMtlsEndpointAllowed(true);

      return initDefaults(builder);
    }

    private static Builder createHttpJsonDefault() {
      Builder builder = new Builder(((ClientContext) null));

      builder.setTransportChannelProvider(defaultHttpJsonTransportProviderBuilder().build());
      builder.setCredentialsProvider(defaultCredentialsProviderBuilder().build());
      builder.setInternalHeaderProvider(defaultHttpJsonApiClientHeaderProviderBuilder().build());
      builder.setMtlsEndpoint(getDefaultMtlsEndpoint());
      builder.setSwitchToMtlsEndpointAllowed(true);

      return initDefaults(builder);
    }

    private static Builder initDefaults(Builder builder) {
      builder
          .listConnectionsSettings()
          .setRetryableCodes(RETRYABLE_CODE_DEFINITIONS.get("retry_policy_0_codes"))
          .setRetrySettings(RETRY_PARAM_DEFINITIONS.get("retry_policy_0_params"));

      return builder;
    }

    /**
     * Applies the given settings updater function to all of the unary API methods in this service.
     *
     * Note: This method does not support applying settings to streaming methods.
     */
    public Builder applyToAllUnaryMethods(
        ApiFunction, Void> settingsUpdater) {
      super.applyToAllUnaryMethods(unaryMethodSettingsBuilders, settingsUpdater);
      return this;
    }

    public ImmutableList> unaryMethodSettingsBuilders() {
      return unaryMethodSettingsBuilders;
    }

    /** Returns the builder for the settings used for calls to listConnections. */
    public PagedCallSettings.Builder<
            ListConnectionsRequest, ListConnectionsResponse, ListConnectionsPagedResponse>
        listConnectionsSettings() {
      return listConnectionsSettings;
    }

    /** Returns the endpoint set by the user or the the service's default endpoint. */
    @Override
    public String getEndpoint() {
      if (super.getEndpoint() != null) {
        return super.getEndpoint();
      }
      return getDefaultEndpoint();
    }

    @Override
    public ConnectionServiceStubSettings build() throws IOException {
      return new ConnectionServiceStubSettings(this);
    }
  }
}