content: /*
   * 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.orm.entities.AlertCurrentEntity;
  import org.apache.ambari.server.orm.entities.AlertHistoryEntity;
  import org.apache.ambari.server.state.Alert;
  
  /**
   * The {@link InitialAlertEvent} is fired the first time that an alert is
   * received from an agent. This is different from a
   * {@link AlertStateChangeEvent} since there is no state change occurring for
   * the first alert being received.
   */
  public class InitialAlertEvent extends AlertEvent {
  
    /**
     * The current alert, including state and history.
     */
    private final AlertCurrentEntity m_currentAlert;
  
    /**
     * The historical record for the initial alert.
     */
    private final AlertHistoryEntity m_history;
  
    /**
     * Constructor.
     *
     * @param clusterId
     *          the ID of the cluster
     * @param alert
     *          the alert that was received.
     * @param currentAlert
     *          the current alert created or updated.
     */
    public InitialAlertEvent(long clusterId, Alert alert,
        AlertCurrentEntity currentAlert) {
      super(clusterId, alert);
  
      m_currentAlert = currentAlert;
      m_history = currentAlert.getAlertHistory();
    }
  
    /**
     * Gets the current alert.
     *
     * @return the current alert.
     */
    public AlertCurrentEntity getCurrentAlert() {
      return m_currentAlert;
    }
  
    /**
     * Gets the newly created item in alert history.
     *
     * @return the newly created historical item.
     */
    public AlertHistoryEntity getNewHistoricalEntry() {
      return m_history;
    }
  
    /**
     * {@inheritDoc}
     */
    @Override
    public String toString() {
      StringBuilder buffer = new StringBuilder("InitialAlertEvent{");
      buffer.append("cluserId=").append(m_clusterId);
      buffer.append(", alert=").append(m_alert);
  
      buffer.append("}");
      return buffer.toString();
    }
  }
  