/** * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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 org.apache.ambari.server.state; /** * The {@link NotificationState} class represents the various states that an * outbound notification can exist in. It allows tracking and history for * notifications that are pending, have succeeded, or were processed but failed * to be sent successfully. */ public enum NotificationState { /** * The notification has not yet been processed by the notification system. */ PENDING, /** * The notification was processed, but failed to be sent. It will not be * processed again. */ FAILED, /** * The notification was processed successfully. */ DELIVERED, /** * The notification was picked up and processed by the dispatcher, but there * is no information on whether the delivery was successful. */ DISPATCHED; }