content: /*
   * Copyright (C) 2018 Facebook, Inc.
   *
   * 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 io.airlift.drift.transport.netty.server;
  
  import com.google.common.annotations.VisibleForTesting;
  import com.google.inject.Binder;
  import com.google.inject.Module;
  import com.google.inject.Scopes;
  import io.airlift.drift.transport.server.ServerTransportFactory;
  import io.netty.buffer.ByteBufAllocator;
  import io.netty.buffer.PooledByteBufAllocator;
  
  import static io.airlift.configuration.ConfigBinder.configBinder;
  import static java.util.Objects.requireNonNull;
  
  public class DriftNettyServerModule
          implements Module
  {
      private final ByteBufAllocator allocator;
  
      public DriftNettyServerModule()
      {
          this(PooledByteBufAllocator.DEFAULT);
      }
  
      @VisibleForTesting
      public DriftNettyServerModule(ByteBufAllocator allocator)
      {
          this.allocator = requireNonNull(allocator, "allocator is null");
      }
  
      @Override
      public void configure(Binder binder)
      {
          configBinder(binder).bindConfig(DriftNettyServerConfig.class);
          binder.bind(ByteBufAllocator.class).toInstance(allocator);
          binder.bind(ServerTransportFactory.class).to(DriftNettyServerTransportFactory.class).in(Scopes.SINGLETON);
      }
  }
  