/* * Copyright 2011 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.ipc.invalidation.common; import com.google.protos.ipc.invalidation.ClientProtocol.InvalidationP; /** * Enumeration describing whether an invalidation restarts its trickle. * */ public enum TrickleState { /** The trickle is restarting; that is, past versions may have been dropped. */ RESTART, /** The trickle is not restarting. */ CONTINUE; /** Returns RESTART if {@code isTrickleRestart} is true, CONTINUE otherwise. */ public static TrickleState fromBoolean(boolean isTrickleRestart) { return isTrickleRestart ? RESTART : CONTINUE; } /** Returns a TrickleState based on the value of {@code invalidation.is_trickle_restart}. */ public static TrickleState fromInvalidation(InvalidationP invalidation) { return TrickleState.fromBoolean(invalidation.getIsTrickleRestart()); } }