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.state.alert;
  
  /**
   * Source type refers to how the alert is to be collected.
   */
  public enum SourceType {
    /**
     * Source is from ams metric data.
     */
    AMS,
  
    /**
     * Source is from metric data.
     */
    METRIC,
  
    /**
     * Source is generated using of a script
     */
    SCRIPT,
  
    /**
     * Source is a simple port check
     */
    PORT,
  
    /**
     * Source is an aggregate of a collection of other alert states
     */
    AGGREGATE,
  
    /**
     * Source is a ratio of two {@link #METRIC} values.
     */
    PERCENT,
  
    /**
     * Source is an http(s)-style request.
     */
    WEB,
  
    /**
     * Source is a component state recovery results
     */
    RECOVERY,
  
    /**
     * A server-side alert.
     */
    SERVER;
  }
  