// 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.dto;

/**
 * Fields of this object are string-encoded longs which represent freshness of different segments of
 * a code graph.
 *
 */
public interface CodeGraphFreshness {
  /**
   * @return libs subgraph freshness
   */
  String getLibsSubgraph();

  /**
   * @return context file tree freshness
   */
  String getFileTree();

  /**
   * @return context file hash for which we have file tree
   */
  String getFileTreeHash();

  /**
   * @return the whole editable workspace tree freshness
   */
  String getWorkspaceTree();

  /**
   * @return freshness of the editable workspace links
   */
  String getWorkspaceLinks();

  /**
   * @return freshness of the whole code graph
   */
  String getFullGraph();

  /**
   * @return freshness of the context file references
   */
  String getFileReferences();
}
