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| <pre><span class="source-line-no">001</span><span id="line-1">/*</span> |
| <span class="source-line-no">002</span><span id="line-2"> * Licensed to the Apache Software Foundation (ASF) under one</span> |
| <span class="source-line-no">003</span><span id="line-3"> * or more contributor license agreements. See the NOTICE file</span> |
| <span class="source-line-no">004</span><span id="line-4"> * distributed with this work for additional information</span> |
| <span class="source-line-no">005</span><span id="line-5"> * regarding copyright ownership. The ASF licenses this file</span> |
| <span class="source-line-no">006</span><span id="line-6"> * to you under the Apache License, Version 2.0 (the</span> |
| <span class="source-line-no">007</span><span id="line-7"> * "License"); you may not use this file except in compliance</span> |
| <span class="source-line-no">008</span><span id="line-8"> * with the License. You may obtain a copy of the License at</span> |
| <span class="source-line-no">009</span><span id="line-9"> *</span> |
| <span class="source-line-no">010</span><span id="line-10"> * http://www.apache.org/licenses/LICENSE-2.0</span> |
| <span class="source-line-no">011</span><span id="line-11"> *</span> |
| <span class="source-line-no">012</span><span id="line-12"> * Unless required by applicable law or agreed to in writing, software</span> |
| <span class="source-line-no">013</span><span id="line-13"> * distributed under the License is distributed on an "AS IS" BASIS,</span> |
| <span class="source-line-no">014</span><span id="line-14"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span> |
| <span class="source-line-no">015</span><span id="line-15"> * See the License for the specific language governing permissions and</span> |
| <span class="source-line-no">016</span><span id="line-16"> * limitations under the License.</span> |
| <span class="source-line-no">017</span><span id="line-17"> */</span> |
| <span class="source-line-no">018</span><span id="line-18">package org.apache.hadoop.hbase.master.procedure;</span> |
| <span class="source-line-no">019</span><span id="line-19"></span> |
| <span class="source-line-no">020</span><span id="line-20">import org.apache.hadoop.hbase.TableName;</span> |
| <span class="source-line-no">021</span><span id="line-21">import org.apache.yetus.audience.InterfaceAudience;</span> |
| <span class="source-line-no">022</span><span id="line-22"></span> |
| <span class="source-line-no">023</span><span id="line-23">/**</span> |
| <span class="source-line-no">024</span><span id="line-24"> * Procedures that operates on a specific Table (e.g. create, delete, snapshot, ...) must implement</span> |
| <span class="source-line-no">025</span><span id="line-25"> * this interface to allow the system handle the lock/concurrency problems.</span> |
| <span class="source-line-no">026</span><span id="line-26"> */</span> |
| <span class="source-line-no">027</span><span id="line-27">@InterfaceAudience.Private</span> |
| <span class="source-line-no">028</span><span id="line-28">public interface TableProcedureInterface {</span> |
| <span class="source-line-no">029</span><span id="line-29"></span> |
| <span class="source-line-no">030</span><span id="line-30"> /**</span> |
| <span class="source-line-no">031</span><span id="line-31"> * Used for acquire/release lock for namespace related operations, just a place holder as we do</span> |
| <span class="source-line-no">032</span><span id="line-32"> * not have namespace table any more.</span> |
| <span class="source-line-no">033</span><span id="line-33"> */</span> |
| <span class="source-line-no">034</span><span id="line-34"> public static final TableName DUMMY_NAMESPACE_TABLE_NAME = TableName.NAMESPACE_TABLE_NAME;</span> |
| <span class="source-line-no">035</span><span id="line-35"></span> |
| <span class="source-line-no">036</span><span id="line-36"> public enum TableOperationType {</span> |
| <span class="source-line-no">037</span><span id="line-37"> CREATE,</span> |
| <span class="source-line-no">038</span><span id="line-38"> DELETE,</span> |
| <span class="source-line-no">039</span><span id="line-39"> DISABLE,</span> |
| <span class="source-line-no">040</span><span id="line-40"> EDIT,</span> |
| <span class="source-line-no">041</span><span id="line-41"> ENABLE,</span> |
| <span class="source-line-no">042</span><span id="line-42"> READ,</span> |
| <span class="source-line-no">043</span><span id="line-43"> SNAPSHOT,</span> |
| <span class="source-line-no">044</span><span id="line-44"> REGION_SNAPSHOT,</span> |
| <span class="source-line-no">045</span><span id="line-45"> FLUSH,</span> |
| <span class="source-line-no">046</span><span id="line-46"> REGION_EDIT,</span> |
| <span class="source-line-no">047</span><span id="line-47"> REGION_SPLIT,</span> |
| <span class="source-line-no">048</span><span id="line-48"> REGION_MERGE,</span> |
| <span class="source-line-no">049</span><span id="line-49"> REGION_ASSIGN,</span> |
| <span class="source-line-no">050</span><span id="line-50"> REGION_UNASSIGN,</span> |
| <span class="source-line-no">051</span><span id="line-51"> REGION_GC,</span> |
| <span class="source-line-no">052</span><span id="line-52"> MERGED_REGIONS_GC/* region operations */,</span> |
| <span class="source-line-no">053</span><span id="line-53"> REGION_TRUNCATE,</span> |
| <span class="source-line-no">054</span><span id="line-54"> RESTORE_BACKUP_SYSTEM_TABLE</span> |
| <span class="source-line-no">055</span><span id="line-55"> }</span> |
| <span class="source-line-no">056</span><span id="line-56"></span> |
| <span class="source-line-no">057</span><span id="line-57"> /** Returns the name of the table the procedure is operating on */</span> |
| <span class="source-line-no">058</span><span id="line-58"> TableName getTableName();</span> |
| <span class="source-line-no">059</span><span id="line-59"></span> |
| <span class="source-line-no">060</span><span id="line-60"> /**</span> |
| <span class="source-line-no">061</span><span id="line-61"> * Given an operation type we can take decisions about what to do with pending operations. e.g. if</span> |
| <span class="source-line-no">062</span><span id="line-62"> * we get a delete and we have some table operation pending (e.g. add column) we can abort those</span> |
| <span class="source-line-no">063</span><span id="line-63"> * operations.</span> |
| <span class="source-line-no">064</span><span id="line-64"> * @return the operation type that the procedure is executing.</span> |
| <span class="source-line-no">065</span><span id="line-65"> */</span> |
| <span class="source-line-no">066</span><span id="line-66"> TableOperationType getTableOperationType();</span> |
| <span class="source-line-no">067</span><span id="line-67">}</span> |
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