| /** |
| * 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.events; |
| |
| import org.apache.ambari.server.state.Alert; |
| |
| import java.util.Collections; |
| import java.util.List; |
| |
| /** |
| * The {@link AlertEvent} class is the base for all events related to alerts. |
| */ |
| public abstract class AlertEvent { |
| |
| protected long m_clusterId; |
| protected Alert m_alert; |
| protected List<Alert> m_alerts; |
| |
| /** |
| * Constructor. |
| * |
| * @param clusterId |
| * @param alert |
| */ |
| public AlertEvent(long clusterId, Alert alert) { |
| m_clusterId = clusterId; |
| m_alert = alert; |
| } |
| |
| public AlertEvent(List<Alert> m_alerts) { |
| this.m_alerts = m_alerts; |
| } |
| |
| /** |
| * Gets the cluster ID that the alert belongs to. |
| * |
| * @return the ID of the cluster. |
| */ |
| public long getClusterId() { |
| return m_clusterId; |
| } |
| |
| /** |
| * Gets the alert that this event is created for. |
| * |
| * @return the alert (never {@code null}). |
| */ |
| public Alert getAlert(){ |
| return m_alert; |
| } |
| |
| /** |
| * Gets list of alerts this event was created for |
| * @return |
| */ |
| public List<Alert> getAlerts() { |
| if (m_alerts != null) { |
| return m_alerts; |
| } else { |
| return Collections.singletonList(m_alert); |
| } |
| } |
| } |