// Copyright 2012 Google Inc. All Rights Reserved.
//
// 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.collide.dtogen.shared;
/**
 * Base interface for all DTOs that adds a type tag for routing messages.
 *
 */
public interface RoutableDto {
  int NON_ROUTABLE_TYPE = -2;
  String TYPE_FIELD = "_type";

  /**
   * Every DTO needs to report a type for the purposes of routing messages on
   * the client.
   */
  int getType();
}
