ConnectionOptionsHelper.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
//
//      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 com.google.cloud.spanner.connection;

import com.google.api.core.InternalApi;
import com.google.api.gax.grpc.GrpcInterceptorProvider;
import com.google.auth.Credentials;
import com.google.cloud.spanner.Spanner;
import com.google.cloud.spanner.connection.ConnectionOptions.Builder;

/** Simple helper class to get access to a package-private method in the ConnectionOptions. */
@InternalApi
public class ConnectionOptionsHelper {
  /** Private constructor to prevent instantiation. */
  private ConnectionOptionsHelper() {}

  // TODO: Remove when Builder.setCredentials(..) has been made public.
  public static Builder setCredentials(Builder connectionOptionsBuilder, Credentials credentials) {
    return connectionOptionsBuilder.setCredentials(credentials);
  }

  public static Spanner getSpanner(Connection connection) {
    return ((ConnectionImpl) connection).getSpanner();
  }

  public static Builder setInterceptorProvider(
      Builder connectionOptionsBuilder, GrpcInterceptorProvider provider) {
    connectionOptionsBuilder.setConfigurator(options -> options.setInterceptorProvider(provider));
    return connectionOptionsBuilder;
  }
}