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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.replication;</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 java.util.List;</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"> * Perform read/write to the replication peer storage.</span> |
| <span class="source-line-no">025</span><span id="line-25"> */</span> |
| <span class="source-line-no">026</span><span id="line-26">@InterfaceAudience.Private</span> |
| <span class="source-line-no">027</span><span id="line-27">public interface ReplicationPeerStorage {</span> |
| <span class="source-line-no">028</span><span id="line-28"></span> |
| <span class="source-line-no">029</span><span id="line-29"> /**</span> |
| <span class="source-line-no">030</span><span id="line-30"> * Add a replication peer.</span> |
| <span class="source-line-no">031</span><span id="line-31"> * @throws ReplicationException if there are errors accessing the storage service.</span> |
| <span class="source-line-no">032</span><span id="line-32"> */</span> |
| <span class="source-line-no">033</span><span id="line-33"> void addPeer(String peerId, ReplicationPeerConfig peerConfig, boolean enabled,</span> |
| <span class="source-line-no">034</span><span id="line-34"> SyncReplicationState syncReplicationState) throws ReplicationException;</span> |
| <span class="source-line-no">035</span><span id="line-35"></span> |
| <span class="source-line-no">036</span><span id="line-36"> /**</span> |
| <span class="source-line-no">037</span><span id="line-37"> * Remove a replication peer.</span> |
| <span class="source-line-no">038</span><span id="line-38"> * @throws ReplicationException if there are errors accessing the storage service.</span> |
| <span class="source-line-no">039</span><span id="line-39"> */</span> |
| <span class="source-line-no">040</span><span id="line-40"> void removePeer(String peerId) throws ReplicationException;</span> |
| <span class="source-line-no">041</span><span id="line-41"></span> |
| <span class="source-line-no">042</span><span id="line-42"> /**</span> |
| <span class="source-line-no">043</span><span id="line-43"> * Set the state of peer, {@code true} to {@code ENABLED}, otherwise to {@code DISABLED}.</span> |
| <span class="source-line-no">044</span><span id="line-44"> * @throws ReplicationException if there are errors accessing the storage service.</span> |
| <span class="source-line-no">045</span><span id="line-45"> */</span> |
| <span class="source-line-no">046</span><span id="line-46"> void setPeerState(String peerId, boolean enabled) throws ReplicationException;</span> |
| <span class="source-line-no">047</span><span id="line-47"></span> |
| <span class="source-line-no">048</span><span id="line-48"> /**</span> |
| <span class="source-line-no">049</span><span id="line-49"> * Update the config a replication peer.</span> |
| <span class="source-line-no">050</span><span id="line-50"> * @throws ReplicationException if there are errors accessing the storage service.</span> |
| <span class="source-line-no">051</span><span id="line-51"> */</span> |
| <span class="source-line-no">052</span><span id="line-52"> void updatePeerConfig(String peerId, ReplicationPeerConfig peerConfig)</span> |
| <span class="source-line-no">053</span><span id="line-53"> throws ReplicationException;</span> |
| <span class="source-line-no">054</span><span id="line-54"></span> |
| <span class="source-line-no">055</span><span id="line-55"> /**</span> |
| <span class="source-line-no">056</span><span id="line-56"> * Return the peer ids of all replication peers.</span> |
| <span class="source-line-no">057</span><span id="line-57"> * @throws ReplicationException if there are errors accessing the storage service.</span> |
| <span class="source-line-no">058</span><span id="line-58"> */</span> |
| <span class="source-line-no">059</span><span id="line-59"> List<String> listPeerIds() throws ReplicationException;</span> |
| <span class="source-line-no">060</span><span id="line-60"></span> |
| <span class="source-line-no">061</span><span id="line-61"> /**</span> |
| <span class="source-line-no">062</span><span id="line-62"> * Test whether a replication peer is enabled.</span> |
| <span class="source-line-no">063</span><span id="line-63"> * @throws ReplicationException if there are errors accessing the storage service.</span> |
| <span class="source-line-no">064</span><span id="line-64"> */</span> |
| <span class="source-line-no">065</span><span id="line-65"> boolean isPeerEnabled(String peerId) throws ReplicationException;</span> |
| <span class="source-line-no">066</span><span id="line-66"></span> |
| <span class="source-line-no">067</span><span id="line-67"> /**</span> |
| <span class="source-line-no">068</span><span id="line-68"> * Get the peer config of a replication peer.</span> |
| <span class="source-line-no">069</span><span id="line-69"> * @throws ReplicationException if there are errors accessing the storage service.</span> |
| <span class="source-line-no">070</span><span id="line-70"> */</span> |
| <span class="source-line-no">071</span><span id="line-71"> ReplicationPeerConfig getPeerConfig(String peerId) throws ReplicationException;</span> |
| <span class="source-line-no">072</span><span id="line-72"></span> |
| <span class="source-line-no">073</span><span id="line-73"> /**</span> |
| <span class="source-line-no">074</span><span id="line-74"> * Set the new sync replication state that we are going to transit to.</span> |
| <span class="source-line-no">075</span><span id="line-75"> * @throws ReplicationException if there are errors accessing the storage service.</span> |
| <span class="source-line-no">076</span><span id="line-76"> */</span> |
| <span class="source-line-no">077</span><span id="line-77"> void setPeerNewSyncReplicationState(String peerId, SyncReplicationState state)</span> |
| <span class="source-line-no">078</span><span id="line-78"> throws ReplicationException;</span> |
| <span class="source-line-no">079</span><span id="line-79"></span> |
| <span class="source-line-no">080</span><span id="line-80"> /**</span> |
| <span class="source-line-no">081</span><span id="line-81"> * Overwrite the sync replication state with the new sync replication state which is set with the</span> |
| <span class="source-line-no">082</span><span id="line-82"> * {@link #setPeerNewSyncReplicationState(String, SyncReplicationState)} method above, and clear</span> |
| <span class="source-line-no">083</span><span id="line-83"> * the new sync replication state.</span> |
| <span class="source-line-no">084</span><span id="line-84"> * @throws ReplicationException if there are errors accessing the storage service.</span> |
| <span class="source-line-no">085</span><span id="line-85"> */</span> |
| <span class="source-line-no">086</span><span id="line-86"> void transitPeerSyncReplicationState(String peerId) throws ReplicationException;</span> |
| <span class="source-line-no">087</span><span id="line-87"></span> |
| <span class="source-line-no">088</span><span id="line-88"> /**</span> |
| <span class="source-line-no">089</span><span id="line-89"> * Get the sync replication state.</span> |
| <span class="source-line-no">090</span><span id="line-90"> * @throws ReplicationException if there are errors accessing the storage service.</span> |
| <span class="source-line-no">091</span><span id="line-91"> */</span> |
| <span class="source-line-no">092</span><span id="line-92"> SyncReplicationState getPeerSyncReplicationState(String peerId) throws ReplicationException;</span> |
| <span class="source-line-no">093</span><span id="line-93"></span> |
| <span class="source-line-no">094</span><span id="line-94"> /**</span> |
| <span class="source-line-no">095</span><span id="line-95"> * Get the new sync replication state. Will return {@link SyncReplicationState#NONE} if we are not</span> |
| <span class="source-line-no">096</span><span id="line-96"> * in a transition.</span> |
| <span class="source-line-no">097</span><span id="line-97"> * @throws ReplicationException if there are errors accessing the storage service.</span> |
| <span class="source-line-no">098</span><span id="line-98"> */</span> |
| <span class="source-line-no">099</span><span id="line-99"> SyncReplicationState getPeerNewSyncReplicationState(String peerId) throws ReplicationException;</span> |
| <span class="source-line-no">100</span><span id="line-100">}</span> |
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| </pre> |
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