// Copyright (C) 2010 Google 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 com.google.enterprise.connector.persist; /** * Represents the version stamp for a persistent object. * * <p> * Implementation Note: store implementations should not share stamp * implementations unless the stamps of each store are semantically * comparable with each other, and not just syntactically comparable. */ public interface Stamp extends Comparable<Stamp> { }