content: /*
   * Copyright (C) 2012 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.client;
  
  import io.airlift.drift.transport.MethodMetadata;
  
  import java.util.List;
  import java.util.Map;
  
  import static com.google.common.base.MoreObjects.toStringHelper;
  import static java.util.Objects.requireNonNull;
  
  public final class InvokeRequest
  {
      private final MethodMetadata method;
      private final Address address;
      private final Map<String, String> headers;
      private final List<Object> parameters;
  
      public InvokeRequest(
              MethodMetadata method,
              Address address,
              Map<String, String> headers,
              List<Object> parameters)
      {
          this.method = requireNonNull(method, "method is null");
          this.headers = requireNonNull(headers, "headers is null");
          this.parameters = requireNonNull(parameters, "parameters is null");
          this.address = requireNonNull(address, "address is null");
      }
  
      public MethodMetadata getMethod()
      {
          return method;
      }
  
      public Address getAddress()
      {
          return address;
      }
  
      public Map<String, String> getHeaders()
      {
          return headers;
      }
  
      public List<Object> getParameters()
      {
          return parameters;
      }
  
      @Override
      public String toString()
      {
          return toStringHelper(this)
                  .omitNullValues()
                  .add("method", method)
                  .add("address", address)
                  .add("headers", headers.isEmpty() ? null : headers)
                  .toString();
      }
  }
  