content: /*
   * Copyright (C) 2013 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.server;
  
  import com.google.common.util.concurrent.ListenableFuture;
  import io.airlift.drift.TApplicationException;
  import io.airlift.drift.transport.MethodMetadata;
  
  import java.util.Optional;
  
  public interface ServerMethodInvoker
  {
      /**
       * @return metadata for the specified method or null if method is not supported
       */
      Optional<MethodMetadata> getMethodMetadata(String name);
  
      /**
       * Invoke the specified method asynchronously.
       * <p>
       * If the invocation fails, the future should contain a known application exception or a raw
       * {@link TApplicationException}.
       */
      ListenableFuture<Object> invoke(ServerInvokeRequest request);
  
      /**
       * Record results timing for a method invocation.
       */
      void recordResult(String methodName, long startTime, ListenableFuture<Object> result);
  }
  