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1   package org.apache.helix;
2   
3   /*
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *   http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  
22  public interface HelixConstants
23  {
24    // TODO: ChangeType and PropertyType are duplicated, consider unifying
25    enum ChangeType
26    {
27      // @formatter:off
28      IDEAL_STATE,
29      CONFIG,
30      INSTANCE_CONFIG,
31      LIVE_INSTANCE,
32      CURRENT_STATE,
33      MESSAGE,
34      EXTERNAL_VIEW,
35      CONTROLLER,
36      MESSAGES_CONTROLLER,
37      HEALTH
38      // @formatter:on
39    }
40  
41    enum StateModelToken
42    {
43      ANY_LIVEINSTANCE
44    }
45  
46    enum ClusterConfigType
47    {
48      HELIX_DISABLE_PIPELINE_TRIGGERS
49    }
50    
51    static final String DEFAULT_STATE_MODEL_FACTORY = "DEFAULT";
52  }