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| <pre><span class="sourceLineNo">001</span>/**<a name="line.1"></a> |
| <span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> *<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> *<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> */<a name="line.17"></a> |
| <span class="sourceLineNo">018</span><a name="line.18"></a> |
| <span class="sourceLineNo">019</span>package org.apache.hadoop.hbase.master.procedure;<a name="line.19"></a> |
| <span class="sourceLineNo">020</span><a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import java.io.IOException;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.util.Arrays;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.util.Collections;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import java.util.HashSet;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import java.util.List;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import java.util.Set;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import java.util.function.Supplier;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.ConcurrentTableModificationException;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.DoNotRetryIOException;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.HBaseIOException;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.HConstants;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.MetaTableAccessor;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.TableName;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.TableNotDisabledException;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.TableNotFoundException;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.client.Connection;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.client.Result;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.client.ResultScanner;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.client.Scan;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.client.Table;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.client.TableDescriptor;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.client.TableState;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.master.MasterCoprocessorHost;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.procedure2.ProcedureStateSerializer;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.rsgroup.RSGroupInfo;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.util.ServerRegionReplicaUtil;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span>import org.slf4j.Logger;<a name="line.50"></a> |
| <span class="sourceLineNo">051</span>import org.slf4j.LoggerFactory;<a name="line.51"></a> |
| <span class="sourceLineNo">052</span><a name="line.52"></a> |
| <span class="sourceLineNo">053</span>import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;<a name="line.53"></a> |
| <span class="sourceLineNo">054</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos;<a name="line.54"></a> |
| <span class="sourceLineNo">055</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.ModifyTableState;<a name="line.55"></a> |
| <span class="sourceLineNo">056</span><a name="line.56"></a> |
| <span class="sourceLineNo">057</span>@InterfaceAudience.Private<a name="line.57"></a> |
| <span class="sourceLineNo">058</span>public class ModifyTableProcedure<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> extends AbstractStateMachineTableProcedure<ModifyTableState> {<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> private static final Logger LOG = LoggerFactory.getLogger(ModifyTableProcedure.class);<a name="line.60"></a> |
| <span class="sourceLineNo">061</span><a name="line.61"></a> |
| <span class="sourceLineNo">062</span> private TableDescriptor unmodifiedTableDescriptor = null;<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> private TableDescriptor modifiedTableDescriptor;<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> private boolean deleteColumnFamilyInModify;<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> private boolean shouldCheckDescriptor;<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> /**<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> * List of column families that cannot be deleted from the hbase:meta table.<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> * They are critical to cluster operation. This is a bit of an odd place to<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> * keep this list but then this is the tooling that does add/remove. Keeping<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> * it local!<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> */<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> private static final List<byte []> UNDELETABLE_META_COLUMNFAMILIES =<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> Collections.unmodifiableList(Arrays.asList(<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> HConstants.CATALOG_FAMILY, HConstants.TABLE_FAMILY, HConstants.REPLICATION_BARRIER_FAMILY));<a name="line.74"></a> |
| <span class="sourceLineNo">075</span><a name="line.75"></a> |
| <span class="sourceLineNo">076</span> public ModifyTableProcedure() {<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> super();<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> initialize(null, false);<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> }<a name="line.79"></a> |
| <span class="sourceLineNo">080</span><a name="line.80"></a> |
| <span class="sourceLineNo">081</span> public ModifyTableProcedure(final MasterProcedureEnv env, final TableDescriptor htd)<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> throws HBaseIOException {<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> this(env, htd, null);<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> }<a name="line.84"></a> |
| <span class="sourceLineNo">085</span><a name="line.85"></a> |
| <span class="sourceLineNo">086</span> public ModifyTableProcedure(final MasterProcedureEnv env, final TableDescriptor htd,<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> final ProcedurePrepareLatch latch)<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> throws HBaseIOException {<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> this(env, htd, latch, null, false);<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> }<a name="line.90"></a> |
| <span class="sourceLineNo">091</span><a name="line.91"></a> |
| <span class="sourceLineNo">092</span> public ModifyTableProcedure(final MasterProcedureEnv env,<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> final TableDescriptor newTableDescriptor, final ProcedurePrepareLatch latch,<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> final TableDescriptor oldTableDescriptor, final boolean shouldCheckDescriptor)<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> throws HBaseIOException {<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> super(env, latch);<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> initialize(oldTableDescriptor, shouldCheckDescriptor);<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> this.modifiedTableDescriptor = newTableDescriptor;<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> preflightChecks(env, null/*No table checks; if changing peers, table can be online*/);<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> }<a name="line.100"></a> |
| <span class="sourceLineNo">101</span><a name="line.101"></a> |
| <span class="sourceLineNo">102</span> @Override<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> protected void preflightChecks(MasterProcedureEnv env, Boolean enabled) throws HBaseIOException {<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> super.preflightChecks(env, enabled);<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> if (this.modifiedTableDescriptor.isMetaTable()) {<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> // If we are modifying the hbase:meta table, make sure we are not deleting critical<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> // column families else we'll damage the cluster.<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> Set<byte []> cfs = this.modifiedTableDescriptor.getColumnFamilyNames();<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> for (byte[] family : UNDELETABLE_META_COLUMNFAMILIES) {<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> if (!cfs.contains(family)) {<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> throw new HBaseIOException("Delete of hbase:meta column family " +<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> Bytes.toString(family));<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> }<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> }<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> }<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> }<a name="line.116"></a> |
| <span class="sourceLineNo">117</span><a name="line.117"></a> |
| <span class="sourceLineNo">118</span> private void initialize(final TableDescriptor unmodifiedTableDescriptor,<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> final boolean shouldCheckDescriptor) {<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> this.unmodifiedTableDescriptor = unmodifiedTableDescriptor;<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> this.shouldCheckDescriptor = shouldCheckDescriptor;<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> this.deleteColumnFamilyInModify = false;<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> }<a name="line.123"></a> |
| <span class="sourceLineNo">124</span><a name="line.124"></a> |
| <span class="sourceLineNo">125</span> @Override<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> protected Flow executeFromState(final MasterProcedureEnv env, final ModifyTableState state)<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> throws InterruptedException {<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> LOG.trace("{} execute state={}", this, state);<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> try {<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> switch (state) {<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> case MODIFY_TABLE_PREPARE:<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> prepareModify(env);<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> setNextState(ModifyTableState.MODIFY_TABLE_PRE_OPERATION);<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> break;<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> case MODIFY_TABLE_PRE_OPERATION:<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> preModify(env, state);<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> setNextState(ModifyTableState.MODIFY_TABLE_UPDATE_TABLE_DESCRIPTOR);<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> break;<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> case MODIFY_TABLE_UPDATE_TABLE_DESCRIPTOR:<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> updateTableDescriptor(env);<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> setNextState(ModifyTableState.MODIFY_TABLE_REMOVE_REPLICA_COLUMN);<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> break;<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> case MODIFY_TABLE_REMOVE_REPLICA_COLUMN:<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> updateReplicaColumnsIfNeeded(env, unmodifiedTableDescriptor, modifiedTableDescriptor);<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> setNextState(ModifyTableState.MODIFY_TABLE_POST_OPERATION);<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> break;<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> case MODIFY_TABLE_POST_OPERATION:<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> postModify(env, state);<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> setNextState(ModifyTableState.MODIFY_TABLE_REOPEN_ALL_REGIONS);<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> break;<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> case MODIFY_TABLE_REOPEN_ALL_REGIONS:<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> if (env.getAssignmentManager().isTableEnabled(getTableName())) {<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> addChildProcedure(new ReopenTableRegionsProcedure(getTableName()));<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> }<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> if (deleteColumnFamilyInModify) {<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> setNextState(ModifyTableState.MODIFY_TABLE_DELETE_FS_LAYOUT);<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> } else {<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> return Flow.NO_MORE_STATE;<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> }<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> break;<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> case MODIFY_TABLE_DELETE_FS_LAYOUT:<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> deleteFromFs(env, unmodifiedTableDescriptor, modifiedTableDescriptor);<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> return Flow.NO_MORE_STATE;<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> default:<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> throw new UnsupportedOperationException("unhandled state=" + state);<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> }<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> } catch (IOException e) {<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> if (isRollbackSupported(state)) {<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> setFailure("master-modify-table", e);<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> } else {<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> LOG.warn("Retriable error trying to modify table={} (in state={})", getTableName(), state,<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> e);<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> }<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> }<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> return Flow.HAS_MORE_STATE;<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> }<a name="line.176"></a> |
| <span class="sourceLineNo">177</span><a name="line.177"></a> |
| <span class="sourceLineNo">178</span> @Override<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> protected void rollbackState(final MasterProcedureEnv env, final ModifyTableState state)<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> throws IOException {<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> if (state == ModifyTableState.MODIFY_TABLE_PREPARE ||<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> state == ModifyTableState.MODIFY_TABLE_PRE_OPERATION) {<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> // nothing to rollback, pre-modify is just checks.<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> // TODO: coprocessor rollback semantic is still undefined.<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> return;<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> }<a name="line.186"></a> |
| <span class="sourceLineNo">187</span><a name="line.187"></a> |
| <span class="sourceLineNo">188</span> // The delete doesn't have a rollback. The execution will succeed, at some point.<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> throw new UnsupportedOperationException("unhandled state=" + state);<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> }<a name="line.190"></a> |
| <span class="sourceLineNo">191</span><a name="line.191"></a> |
| <span class="sourceLineNo">192</span> @Override<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> protected boolean isRollbackSupported(final ModifyTableState state) {<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> switch (state) {<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> case MODIFY_TABLE_PRE_OPERATION:<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> case MODIFY_TABLE_PREPARE:<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> return true;<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> default:<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> return false;<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> }<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> }<a name="line.201"></a> |
| <span class="sourceLineNo">202</span><a name="line.202"></a> |
| <span class="sourceLineNo">203</span> @Override<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> protected void completionCleanup(final MasterProcedureEnv env) {<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> releaseSyncLatch();<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> }<a name="line.206"></a> |
| <span class="sourceLineNo">207</span><a name="line.207"></a> |
| <span class="sourceLineNo">208</span> @Override<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> protected ModifyTableState getState(final int stateId) {<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> return ModifyTableState.forNumber(stateId);<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> }<a name="line.211"></a> |
| <span class="sourceLineNo">212</span><a name="line.212"></a> |
| <span class="sourceLineNo">213</span> @Override<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> protected int getStateId(final ModifyTableState state) {<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> return state.getNumber();<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> }<a name="line.216"></a> |
| <span class="sourceLineNo">217</span><a name="line.217"></a> |
| <span class="sourceLineNo">218</span> @Override<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> protected ModifyTableState getInitialState() {<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> return ModifyTableState.MODIFY_TABLE_PREPARE;<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> }<a name="line.221"></a> |
| <span class="sourceLineNo">222</span><a name="line.222"></a> |
| <span class="sourceLineNo">223</span> @Override<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> protected void serializeStateData(ProcedureStateSerializer serializer)<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> throws IOException {<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> super.serializeStateData(serializer);<a name="line.226"></a> |
| <span class="sourceLineNo">227</span><a name="line.227"></a> |
| <span class="sourceLineNo">228</span> MasterProcedureProtos.ModifyTableStateData.Builder modifyTableMsg =<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> MasterProcedureProtos.ModifyTableStateData.newBuilder()<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> .setUserInfo(MasterProcedureUtil.toProtoUserInfo(getUser()))<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> .setModifiedTableSchema(ProtobufUtil.toTableSchema(modifiedTableDescriptor))<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> .setDeleteColumnFamilyInModify(deleteColumnFamilyInModify)<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> .setShouldCheckDescriptor(shouldCheckDescriptor);<a name="line.233"></a> |
| <span class="sourceLineNo">234</span><a name="line.234"></a> |
| <span class="sourceLineNo">235</span> if (unmodifiedTableDescriptor != null) {<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> modifyTableMsg<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> .setUnmodifiedTableSchema(ProtobufUtil.toTableSchema(unmodifiedTableDescriptor));<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> }<a name="line.238"></a> |
| <span class="sourceLineNo">239</span><a name="line.239"></a> |
| <span class="sourceLineNo">240</span> serializer.serialize(modifyTableMsg.build());<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> }<a name="line.241"></a> |
| <span class="sourceLineNo">242</span><a name="line.242"></a> |
| <span class="sourceLineNo">243</span> @Override<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> protected void deserializeStateData(ProcedureStateSerializer serializer)<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> throws IOException {<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> super.deserializeStateData(serializer);<a name="line.246"></a> |
| <span class="sourceLineNo">247</span><a name="line.247"></a> |
| <span class="sourceLineNo">248</span> MasterProcedureProtos.ModifyTableStateData modifyTableMsg =<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> serializer.deserialize(MasterProcedureProtos.ModifyTableStateData.class);<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> setUser(MasterProcedureUtil.toUserInfo(modifyTableMsg.getUserInfo()));<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> modifiedTableDescriptor = ProtobufUtil.toTableDescriptor(modifyTableMsg.getModifiedTableSchema());<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> deleteColumnFamilyInModify = modifyTableMsg.getDeleteColumnFamilyInModify();<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> shouldCheckDescriptor = modifyTableMsg.hasShouldCheckDescriptor()<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> ? modifyTableMsg.getShouldCheckDescriptor() : false;<a name="line.254"></a> |
| <span class="sourceLineNo">255</span><a name="line.255"></a> |
| <span class="sourceLineNo">256</span> if (modifyTableMsg.hasUnmodifiedTableSchema()) {<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> unmodifiedTableDescriptor =<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> ProtobufUtil.toTableDescriptor(modifyTableMsg.getUnmodifiedTableSchema());<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> }<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> }<a name="line.260"></a> |
| <span class="sourceLineNo">261</span><a name="line.261"></a> |
| <span class="sourceLineNo">262</span> @Override<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> public TableName getTableName() {<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> return modifiedTableDescriptor.getTableName();<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> }<a name="line.265"></a> |
| <span class="sourceLineNo">266</span><a name="line.266"></a> |
| <span class="sourceLineNo">267</span> @Override<a name="line.267"></a> |
| <span class="sourceLineNo">268</span> public TableOperationType getTableOperationType() {<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> return TableOperationType.EDIT;<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> }<a name="line.270"></a> |
| <span class="sourceLineNo">271</span><a name="line.271"></a> |
| <span class="sourceLineNo">272</span> /**<a name="line.272"></a> |
| <span class="sourceLineNo">273</span> * Check conditions before any real action of modifying a table.<a name="line.273"></a> |
| <span class="sourceLineNo">274</span> */<a name="line.274"></a> |
| <span class="sourceLineNo">275</span> private void prepareModify(final MasterProcedureEnv env) throws IOException {<a name="line.275"></a> |
| <span class="sourceLineNo">276</span> // Checks whether the table exists<a name="line.276"></a> |
| <span class="sourceLineNo">277</span> if (!env.getMasterServices().getTableDescriptors().exists(getTableName())) {<a name="line.277"></a> |
| <span class="sourceLineNo">278</span> throw new TableNotFoundException(getTableName());<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> }<a name="line.279"></a> |
| <span class="sourceLineNo">280</span><a name="line.280"></a> |
| <span class="sourceLineNo">281</span> // check that we have at least 1 CF<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> if (modifiedTableDescriptor.getColumnFamilyCount() == 0) {<a name="line.282"></a> |
| <span class="sourceLineNo">283</span> throw new DoNotRetryIOException("Table " + getTableName().toString() +<a name="line.283"></a> |
| <span class="sourceLineNo">284</span> " should have at least one column family.");<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> }<a name="line.285"></a> |
| <span class="sourceLineNo">286</span><a name="line.286"></a> |
| <span class="sourceLineNo">287</span> // If descriptor check is enabled, check whether the table descriptor when procedure was<a name="line.287"></a> |
| <span class="sourceLineNo">288</span> // submitted matches with the current<a name="line.288"></a> |
| <span class="sourceLineNo">289</span> // table descriptor of the table, else retrieve the old descriptor<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> // for comparison in order to update the descriptor.<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> if (shouldCheckDescriptor) {<a name="line.291"></a> |
| <span class="sourceLineNo">292</span> if (TableDescriptor.COMPARATOR.compare(unmodifiedTableDescriptor,<a name="line.292"></a> |
| <span class="sourceLineNo">293</span> env.getMasterServices().getTableDescriptors().get(getTableName())) != 0) {<a name="line.293"></a> |
| <span class="sourceLineNo">294</span> LOG.error("Error while modifying table '" + getTableName().toString()<a name="line.294"></a> |
| <span class="sourceLineNo">295</span> + "' Skipping procedure : " + this);<a name="line.295"></a> |
| <span class="sourceLineNo">296</span> throw new ConcurrentTableModificationException(<a name="line.296"></a> |
| <span class="sourceLineNo">297</span> "Skipping modify table operation on table '" + getTableName().toString()<a name="line.297"></a> |
| <span class="sourceLineNo">298</span> + "' as it has already been modified by some other concurrent operation, "<a name="line.298"></a> |
| <span class="sourceLineNo">299</span> + "Please retry.");<a name="line.299"></a> |
| <span class="sourceLineNo">300</span> }<a name="line.300"></a> |
| <span class="sourceLineNo">301</span> } else {<a name="line.301"></a> |
| <span class="sourceLineNo">302</span> this.unmodifiedTableDescriptor =<a name="line.302"></a> |
| <span class="sourceLineNo">303</span> env.getMasterServices().getTableDescriptors().get(getTableName());<a name="line.303"></a> |
| <span class="sourceLineNo">304</span> }<a name="line.304"></a> |
| <span class="sourceLineNo">305</span><a name="line.305"></a> |
| <span class="sourceLineNo">306</span> if (env.getMasterServices().getTableStateManager()<a name="line.306"></a> |
| <span class="sourceLineNo">307</span> .isTableState(getTableName(), TableState.State.ENABLED)) {<a name="line.307"></a> |
| <span class="sourceLineNo">308</span> if (modifiedTableDescriptor.getRegionReplication() != unmodifiedTableDescriptor<a name="line.308"></a> |
| <span class="sourceLineNo">309</span> .getRegionReplication()) {<a name="line.309"></a> |
| <span class="sourceLineNo">310</span> throw new TableNotDisabledException(<a name="line.310"></a> |
| <span class="sourceLineNo">311</span> "REGION_REPLICATION change is not supported for enabled tables");<a name="line.311"></a> |
| <span class="sourceLineNo">312</span> }<a name="line.312"></a> |
| <span class="sourceLineNo">313</span> }<a name="line.313"></a> |
| <span class="sourceLineNo">314</span> this.deleteColumnFamilyInModify = isDeleteColumnFamily(unmodifiedTableDescriptor,<a name="line.314"></a> |
| <span class="sourceLineNo">315</span> modifiedTableDescriptor);<a name="line.315"></a> |
| <span class="sourceLineNo">316</span> if (!unmodifiedTableDescriptor.getRegionServerGroup()<a name="line.316"></a> |
| <span class="sourceLineNo">317</span> .equals(modifiedTableDescriptor.getRegionServerGroup())) {<a name="line.317"></a> |
| <span class="sourceLineNo">318</span> Supplier<String> forWhom = () -> "table " + getTableName();<a name="line.318"></a> |
| <span class="sourceLineNo">319</span> RSGroupInfo rsGroupInfo = MasterProcedureUtil.checkGroupExists(<a name="line.319"></a> |
| <span class="sourceLineNo">320</span> env.getMasterServices().getRSGroupInfoManager()::getRSGroup,<a name="line.320"></a> |
| <span class="sourceLineNo">321</span> modifiedTableDescriptor.getRegionServerGroup(), forWhom);<a name="line.321"></a> |
| <span class="sourceLineNo">322</span> MasterProcedureUtil.checkGroupNotEmpty(rsGroupInfo, forWhom);<a name="line.322"></a> |
| <span class="sourceLineNo">323</span> }<a name="line.323"></a> |
| <span class="sourceLineNo">324</span> }<a name="line.324"></a> |
| <span class="sourceLineNo">325</span><a name="line.325"></a> |
| <span class="sourceLineNo">326</span> /**<a name="line.326"></a> |
| <span class="sourceLineNo">327</span> * Find out whether all column families in unmodifiedTableDescriptor also exists in<a name="line.327"></a> |
| <span class="sourceLineNo">328</span> * the modifiedTableDescriptor.<a name="line.328"></a> |
| <span class="sourceLineNo">329</span> * @return True if we are deleting a column family.<a name="line.329"></a> |
| <span class="sourceLineNo">330</span> */<a name="line.330"></a> |
| <span class="sourceLineNo">331</span> private static boolean isDeleteColumnFamily(TableDescriptor originalDescriptor,<a name="line.331"></a> |
| <span class="sourceLineNo">332</span> TableDescriptor newDescriptor) {<a name="line.332"></a> |
| <span class="sourceLineNo">333</span> boolean result = false;<a name="line.333"></a> |
| <span class="sourceLineNo">334</span> final Set<byte[]> originalFamilies = originalDescriptor.getColumnFamilyNames();<a name="line.334"></a> |
| <span class="sourceLineNo">335</span> final Set<byte[]> newFamilies = newDescriptor.getColumnFamilyNames();<a name="line.335"></a> |
| <span class="sourceLineNo">336</span> for (byte[] familyName : originalFamilies) {<a name="line.336"></a> |
| <span class="sourceLineNo">337</span> if (!newFamilies.contains(familyName)) {<a name="line.337"></a> |
| <span class="sourceLineNo">338</span> result = true;<a name="line.338"></a> |
| <span class="sourceLineNo">339</span> break;<a name="line.339"></a> |
| <span class="sourceLineNo">340</span> }<a name="line.340"></a> |
| <span class="sourceLineNo">341</span> }<a name="line.341"></a> |
| <span class="sourceLineNo">342</span> return result;<a name="line.342"></a> |
| <span class="sourceLineNo">343</span> }<a name="line.343"></a> |
| <span class="sourceLineNo">344</span><a name="line.344"></a> |
| <span class="sourceLineNo">345</span> /**<a name="line.345"></a> |
| <span class="sourceLineNo">346</span> * Action before modifying table.<a name="line.346"></a> |
| <span class="sourceLineNo">347</span> * @param env MasterProcedureEnv<a name="line.347"></a> |
| <span class="sourceLineNo">348</span> * @param state the procedure state<a name="line.348"></a> |
| <span class="sourceLineNo">349</span> * @throws IOException<a name="line.349"></a> |
| <span class="sourceLineNo">350</span> * @throws InterruptedException<a name="line.350"></a> |
| <span class="sourceLineNo">351</span> */<a name="line.351"></a> |
| <span class="sourceLineNo">352</span> private void preModify(final MasterProcedureEnv env, final ModifyTableState state)<a name="line.352"></a> |
| <span class="sourceLineNo">353</span> throws IOException, InterruptedException {<a name="line.353"></a> |
| <span class="sourceLineNo">354</span> runCoprocessorAction(env, state);<a name="line.354"></a> |
| <span class="sourceLineNo">355</span> }<a name="line.355"></a> |
| <span class="sourceLineNo">356</span><a name="line.356"></a> |
| <span class="sourceLineNo">357</span> /**<a name="line.357"></a> |
| <span class="sourceLineNo">358</span> * Update descriptor<a name="line.358"></a> |
| <span class="sourceLineNo">359</span> * @param env MasterProcedureEnv<a name="line.359"></a> |
| <span class="sourceLineNo">360</span> * @throws IOException<a name="line.360"></a> |
| <span class="sourceLineNo">361</span> **/<a name="line.361"></a> |
| <span class="sourceLineNo">362</span> private void updateTableDescriptor(final MasterProcedureEnv env) throws IOException {<a name="line.362"></a> |
| <span class="sourceLineNo">363</span> env.getMasterServices().getTableDescriptors().update(modifiedTableDescriptor);<a name="line.363"></a> |
| <span class="sourceLineNo">364</span> }<a name="line.364"></a> |
| <span class="sourceLineNo">365</span><a name="line.365"></a> |
| <span class="sourceLineNo">366</span> /**<a name="line.366"></a> |
| <span class="sourceLineNo">367</span> * Removes from hdfs the families that are not longer present in the new table descriptor.<a name="line.367"></a> |
| <span class="sourceLineNo">368</span> * @param env MasterProcedureEnv<a name="line.368"></a> |
| <span class="sourceLineNo">369</span> * @throws IOException<a name="line.369"></a> |
| <span class="sourceLineNo">370</span> */<a name="line.370"></a> |
| <span class="sourceLineNo">371</span> private void deleteFromFs(final MasterProcedureEnv env,<a name="line.371"></a> |
| <span class="sourceLineNo">372</span> final TableDescriptor oldTableDescriptor, final TableDescriptor newTableDescriptor)<a name="line.372"></a> |
| <span class="sourceLineNo">373</span> throws IOException {<a name="line.373"></a> |
| <span class="sourceLineNo">374</span> final Set<byte[]> oldFamilies = oldTableDescriptor.getColumnFamilyNames();<a name="line.374"></a> |
| <span class="sourceLineNo">375</span> final Set<byte[]> newFamilies = newTableDescriptor.getColumnFamilyNames();<a name="line.375"></a> |
| <span class="sourceLineNo">376</span> for (byte[] familyName : oldFamilies) {<a name="line.376"></a> |
| <span class="sourceLineNo">377</span> if (!newFamilies.contains(familyName)) {<a name="line.377"></a> |
| <span class="sourceLineNo">378</span> MasterDDLOperationHelper.deleteColumnFamilyFromFileSystem(<a name="line.378"></a> |
| <span class="sourceLineNo">379</span> env,<a name="line.379"></a> |
| <span class="sourceLineNo">380</span> getTableName(),<a name="line.380"></a> |
| <span class="sourceLineNo">381</span> getRegionInfoList(env),<a name="line.381"></a> |
| <span class="sourceLineNo">382</span> familyName, oldTableDescriptor.getColumnFamily(familyName).isMobEnabled());<a name="line.382"></a> |
| <span class="sourceLineNo">383</span> }<a name="line.383"></a> |
| <span class="sourceLineNo">384</span> }<a name="line.384"></a> |
| <span class="sourceLineNo">385</span> }<a name="line.385"></a> |
| <span class="sourceLineNo">386</span><a name="line.386"></a> |
| <span class="sourceLineNo">387</span> /**<a name="line.387"></a> |
| <span class="sourceLineNo">388</span> * update replica column families if necessary.<a name="line.388"></a> |
| <span class="sourceLineNo">389</span> * @param env MasterProcedureEnv<a name="line.389"></a> |
| <span class="sourceLineNo">390</span> * @throws IOException<a name="line.390"></a> |
| <span class="sourceLineNo">391</span> */<a name="line.391"></a> |
| <span class="sourceLineNo">392</span> private void updateReplicaColumnsIfNeeded(<a name="line.392"></a> |
| <span class="sourceLineNo">393</span> final MasterProcedureEnv env,<a name="line.393"></a> |
| <span class="sourceLineNo">394</span> final TableDescriptor oldTableDescriptor,<a name="line.394"></a> |
| <span class="sourceLineNo">395</span> final TableDescriptor newTableDescriptor) throws IOException {<a name="line.395"></a> |
| <span class="sourceLineNo">396</span> final int oldReplicaCount = oldTableDescriptor.getRegionReplication();<a name="line.396"></a> |
| <span class="sourceLineNo">397</span> final int newReplicaCount = newTableDescriptor.getRegionReplication();<a name="line.397"></a> |
| <span class="sourceLineNo">398</span><a name="line.398"></a> |
| <span class="sourceLineNo">399</span> if (newReplicaCount < oldReplicaCount) {<a name="line.399"></a> |
| <span class="sourceLineNo">400</span> Set<byte[]> tableRows = new HashSet<>();<a name="line.400"></a> |
| <span class="sourceLineNo">401</span> Connection connection = env.getMasterServices().getConnection();<a name="line.401"></a> |
| <span class="sourceLineNo">402</span> Scan scan = MetaTableAccessor.getScanForTableName(connection, getTableName());<a name="line.402"></a> |
| <span class="sourceLineNo">403</span> scan.addColumn(HConstants.CATALOG_FAMILY, HConstants.REGIONINFO_QUALIFIER);<a name="line.403"></a> |
| <span class="sourceLineNo">404</span><a name="line.404"></a> |
| <span class="sourceLineNo">405</span> try (Table metaTable = connection.getTable(TableName.META_TABLE_NAME)) {<a name="line.405"></a> |
| <span class="sourceLineNo">406</span> ResultScanner resScanner = metaTable.getScanner(scan);<a name="line.406"></a> |
| <span class="sourceLineNo">407</span> for (Result result : resScanner) {<a name="line.407"></a> |
| <span class="sourceLineNo">408</span> tableRows.add(result.getRow());<a name="line.408"></a> |
| <span class="sourceLineNo">409</span> }<a name="line.409"></a> |
| <span class="sourceLineNo">410</span> MetaTableAccessor.removeRegionReplicasFromMeta(<a name="line.410"></a> |
| <span class="sourceLineNo">411</span> tableRows,<a name="line.411"></a> |
| <span class="sourceLineNo">412</span> newReplicaCount,<a name="line.412"></a> |
| <span class="sourceLineNo">413</span> oldReplicaCount - newReplicaCount,<a name="line.413"></a> |
| <span class="sourceLineNo">414</span> connection);<a name="line.414"></a> |
| <span class="sourceLineNo">415</span> }<a name="line.415"></a> |
| <span class="sourceLineNo">416</span> }<a name="line.416"></a> |
| <span class="sourceLineNo">417</span> if (newReplicaCount > oldReplicaCount) {<a name="line.417"></a> |
| <span class="sourceLineNo">418</span> Connection connection = env.getMasterServices().getConnection();<a name="line.418"></a> |
| <span class="sourceLineNo">419</span> // Get the existing table regions<a name="line.419"></a> |
| <span class="sourceLineNo">420</span> List<RegionInfo> existingTableRegions =<a name="line.420"></a> |
| <span class="sourceLineNo">421</span> MetaTableAccessor.getTableRegions(connection, getTableName());<a name="line.421"></a> |
| <span class="sourceLineNo">422</span> // add all the new entries to the meta table<a name="line.422"></a> |
| <span class="sourceLineNo">423</span> addRegionsToMeta(env, newTableDescriptor, existingTableRegions);<a name="line.423"></a> |
| <span class="sourceLineNo">424</span> if (oldReplicaCount <= 1) {<a name="line.424"></a> |
| <span class="sourceLineNo">425</span> // The table has been newly enabled for replica. So check if we need to setup<a name="line.425"></a> |
| <span class="sourceLineNo">426</span> // region replication<a name="line.426"></a> |
| <span class="sourceLineNo">427</span> ServerRegionReplicaUtil.setupRegionReplicaReplication(env.getMasterConfiguration());<a name="line.427"></a> |
| <span class="sourceLineNo">428</span> }<a name="line.428"></a> |
| <span class="sourceLineNo">429</span> }<a name="line.429"></a> |
| <span class="sourceLineNo">430</span> }<a name="line.430"></a> |
| <span class="sourceLineNo">431</span><a name="line.431"></a> |
| <span class="sourceLineNo">432</span> private static void addRegionsToMeta(final MasterProcedureEnv env,<a name="line.432"></a> |
| <span class="sourceLineNo">433</span> final TableDescriptor tableDescriptor, final List<RegionInfo> regionInfos)<a name="line.433"></a> |
| <span class="sourceLineNo">434</span> throws IOException {<a name="line.434"></a> |
| <span class="sourceLineNo">435</span> MetaTableAccessor.addRegionsToMeta(env.getMasterServices().getConnection(), regionInfos,<a name="line.435"></a> |
| <span class="sourceLineNo">436</span> tableDescriptor.getRegionReplication());<a name="line.436"></a> |
| <span class="sourceLineNo">437</span> }<a name="line.437"></a> |
| <span class="sourceLineNo">438</span> /**<a name="line.438"></a> |
| <span class="sourceLineNo">439</span> * Action after modifying table.<a name="line.439"></a> |
| <span class="sourceLineNo">440</span> * @param env MasterProcedureEnv<a name="line.440"></a> |
| <span class="sourceLineNo">441</span> * @param state the procedure state<a name="line.441"></a> |
| <span class="sourceLineNo">442</span> * @throws IOException<a name="line.442"></a> |
| <span class="sourceLineNo">443</span> * @throws InterruptedException<a name="line.443"></a> |
| <span class="sourceLineNo">444</span> */<a name="line.444"></a> |
| <span class="sourceLineNo">445</span> private void postModify(final MasterProcedureEnv env, final ModifyTableState state)<a name="line.445"></a> |
| <span class="sourceLineNo">446</span> throws IOException, InterruptedException {<a name="line.446"></a> |
| <span class="sourceLineNo">447</span> runCoprocessorAction(env, state);<a name="line.447"></a> |
| <span class="sourceLineNo">448</span> }<a name="line.448"></a> |
| <span class="sourceLineNo">449</span><a name="line.449"></a> |
| <span class="sourceLineNo">450</span> /**<a name="line.450"></a> |
| <span class="sourceLineNo">451</span> * Coprocessor Action.<a name="line.451"></a> |
| <span class="sourceLineNo">452</span> * @param env MasterProcedureEnv<a name="line.452"></a> |
| <span class="sourceLineNo">453</span> * @param state the procedure state<a name="line.453"></a> |
| <span class="sourceLineNo">454</span> * @throws IOException<a name="line.454"></a> |
| <span class="sourceLineNo">455</span> * @throws InterruptedException<a name="line.455"></a> |
| <span class="sourceLineNo">456</span> */<a name="line.456"></a> |
| <span class="sourceLineNo">457</span> private void runCoprocessorAction(final MasterProcedureEnv env, final ModifyTableState state)<a name="line.457"></a> |
| <span class="sourceLineNo">458</span> throws IOException, InterruptedException {<a name="line.458"></a> |
| <span class="sourceLineNo">459</span> final MasterCoprocessorHost cpHost = env.getMasterCoprocessorHost();<a name="line.459"></a> |
| <span class="sourceLineNo">460</span> if (cpHost != null) {<a name="line.460"></a> |
| <span class="sourceLineNo">461</span> switch (state) {<a name="line.461"></a> |
| <span class="sourceLineNo">462</span> case MODIFY_TABLE_PRE_OPERATION:<a name="line.462"></a> |
| <span class="sourceLineNo">463</span> cpHost.preModifyTableAction(getTableName(), unmodifiedTableDescriptor,<a name="line.463"></a> |
| <span class="sourceLineNo">464</span> modifiedTableDescriptor, getUser());<a name="line.464"></a> |
| <span class="sourceLineNo">465</span> break;<a name="line.465"></a> |
| <span class="sourceLineNo">466</span> case MODIFY_TABLE_POST_OPERATION:<a name="line.466"></a> |
| <span class="sourceLineNo">467</span> cpHost.postCompletedModifyTableAction(getTableName(), unmodifiedTableDescriptor,<a name="line.467"></a> |
| <span class="sourceLineNo">468</span> modifiedTableDescriptor,getUser());<a name="line.468"></a> |
| <span class="sourceLineNo">469</span> break;<a name="line.469"></a> |
| <span class="sourceLineNo">470</span> default:<a name="line.470"></a> |
| <span class="sourceLineNo">471</span> throw new UnsupportedOperationException(this + " unhandled state=" + state);<a name="line.471"></a> |
| <span class="sourceLineNo">472</span> }<a name="line.472"></a> |
| <span class="sourceLineNo">473</span> }<a name="line.473"></a> |
| <span class="sourceLineNo">474</span> }<a name="line.474"></a> |
| <span class="sourceLineNo">475</span><a name="line.475"></a> |
| <span class="sourceLineNo">476</span> /**<a name="line.476"></a> |
| <span class="sourceLineNo">477</span> * Fetches all Regions for a table. Cache the result of this method if you need to use it multiple<a name="line.477"></a> |
| <span class="sourceLineNo">478</span> * times. Be aware that it may change over in between calls to this procedure.<a name="line.478"></a> |
| <span class="sourceLineNo">479</span> */<a name="line.479"></a> |
| <span class="sourceLineNo">480</span> private List<RegionInfo> getRegionInfoList(final MasterProcedureEnv env) throws IOException {<a name="line.480"></a> |
| <span class="sourceLineNo">481</span> return env.getAssignmentManager().getRegionStates().getRegionsOfTable(getTableName());<a name="line.481"></a> |
| <span class="sourceLineNo">482</span> }<a name="line.482"></a> |
| <span class="sourceLineNo">483</span>}<a name="line.483"></a> |
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| </pre> |
| </div> |
| </body> |
| </html> |
