1 /**
2  * Licensed to the Apache Software Foundation (ASF) under one
3  * or more contributor license agreements.  See the NOTICE file
4  * distributed with this work for additional information
5  * regarding copyright ownership.  The ASF licenses this file
6  * to you under the Apache License, Version 2.0 (the
7  * "License"); you may not use this file except in compliance
8  * with the License.  You may obtain a copy of the License at
9  *
10  *     http://www.apache.org/licenses/LICENSE-2.0
11  *
12  * Unless required by applicable law or agreed to in writing, software
13  * distributed under the License is distributed on an "AS IS" BASIS,
14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15  * See the License for the specific language governing permissions and
16  * limitations under the License.
17  */
18 package org.apache.hadoop.hbase.procedure;
19 
20 import org.apache.hadoop.hbase.classification.InterfaceAudience;
21 import org.apache.hadoop.hbase.classification.InterfaceStability;
22 
23 @InterfaceAudience.Private
24 @InterfaceStability.Evolving
25 public abstract class ProcedureManager {
26 
27   /**
28    * Return the unique signature of the procedure. This signature uniquely
29    * identifies the procedure. By default, this signature is the string used in
30    * the procedure controller (i.e., the root ZK node name for the procedure)
31    */
getProcedureSignature()32   public abstract String getProcedureSignature();
33 
34   @Override
equals(Object obj)35   public boolean equals(Object obj) {
36     if (!(obj instanceof ProcedureManager)) {
37       return false;
38     }
39     ProcedureManager other = (ProcedureManager)obj;
40     return this.getProcedureSignature().equals(other.getProcedureSignature());
41   }
42 
43   @Override
hashCode()44   public int hashCode() {
45     return this.getProcedureSignature().hashCode();
46   }
47 }
48