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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;</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.io.IOException;</span> |
| <span class="source-line-no">021</span><span id="line-21">import java.util.List;</span> |
| <span class="source-line-no">022</span><span id="line-22">import java.util.Optional;</span> |
| <span class="source-line-no">023</span><span id="line-23">import java.util.concurrent.ConcurrentHashMap;</span> |
| <span class="source-line-no">024</span><span id="line-24">import java.util.concurrent.ConcurrentMap;</span> |
| <span class="source-line-no">025</span><span id="line-25">import java.util.stream.Collectors;</span> |
| <span class="source-line-no">026</span><span id="line-26">import org.apache.commons.lang3.StringUtils;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.hbase.Cell;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.hbase.DoNotRetryIOException;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.hbase.HBaseIOException;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.hbase.HConstants;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.NamespaceDescriptor;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.TableName;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.client.Connection;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.client.Delete;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.client.Put;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.client.Result;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.client.ResultScanner;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.hbase.client.Table;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.hbase.client.TableDescriptor;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.apache.hadoop.hbase.client.TableDescriptorBuilder;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.apache.hadoop.hbase.client.TableState;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.apache.hadoop.hbase.constraint.ConstraintException;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.apache.hadoop.hbase.master.procedure.DisableTableProcedure;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.apache.hadoop.hbase.master.procedure.MigrateNamespaceTableProcedure;</span> |
| <span class="source-line-no">045</span><span id="line-45">import org.apache.hadoop.hbase.util.Bytes;</span> |
| <span class="source-line-no">046</span><span id="line-46">import org.apache.yetus.audience.InterfaceAudience;</span> |
| <span class="source-line-no">047</span><span id="line-47"></span> |
| <span class="source-line-no">048</span><span id="line-48">import org.apache.hbase.thirdparty.com.google.protobuf.CodedInputStream;</span> |
| <span class="source-line-no">049</span><span id="line-49"></span> |
| <span class="source-line-no">050</span><span id="line-50">import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;</span> |
| <span class="source-line-no">051</span><span id="line-51">import org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos;</span> |
| <span class="source-line-no">052</span><span id="line-52"></span> |
| <span class="source-line-no">053</span><span id="line-53">/**</span> |
| <span class="source-line-no">054</span><span id="line-54"> * This is a helper class used internally to manage the namespace metadata that is stored in the ns</span> |
| <span class="source-line-no">055</span><span id="line-55"> * family in meta table.</span> |
| <span class="source-line-no">056</span><span id="line-56"> */</span> |
| <span class="source-line-no">057</span><span id="line-57">@InterfaceAudience.Private</span> |
| <span class="source-line-no">058</span><span id="line-58">public class TableNamespaceManager {</span> |
| <span class="source-line-no">059</span><span id="line-59"></span> |
| <span class="source-line-no">060</span><span id="line-60"> public static final String KEY_MAX_REGIONS = "hbase.namespace.quota.maxregions";</span> |
| <span class="source-line-no">061</span><span id="line-61"> public static final String KEY_MAX_TABLES = "hbase.namespace.quota.maxtables";</span> |
| <span class="source-line-no">062</span><span id="line-62"> static final String NS_INIT_TIMEOUT = "hbase.master.namespace.init.timeout";</span> |
| <span class="source-line-no">063</span><span id="line-63"> static final int DEFAULT_NS_INIT_TIMEOUT = 300000;</span> |
| <span class="source-line-no">064</span><span id="line-64"></span> |
| <span class="source-line-no">065</span><span id="line-65"> private final ConcurrentMap<String, NamespaceDescriptor> cache = new ConcurrentHashMap<>();</span> |
| <span class="source-line-no">066</span><span id="line-66"></span> |
| <span class="source-line-no">067</span><span id="line-67"> private final MasterServices masterServices;</span> |
| <span class="source-line-no">068</span><span id="line-68"></span> |
| <span class="source-line-no">069</span><span id="line-69"> private volatile boolean migrationDone;</span> |
| <span class="source-line-no">070</span><span id="line-70"></span> |
| <span class="source-line-no">071</span><span id="line-71"> TableNamespaceManager(MasterServices masterServices) {</span> |
| <span class="source-line-no">072</span><span id="line-72"> this.masterServices = masterServices;</span> |
| <span class="source-line-no">073</span><span id="line-73"> }</span> |
| <span class="source-line-no">074</span><span id="line-74"></span> |
| <span class="source-line-no">075</span><span id="line-75"> private void tryMigrateNamespaceTable() throws IOException, InterruptedException {</span> |
| <span class="source-line-no">076</span><span id="line-76"> Optional<MigrateNamespaceTableProcedure> opt = masterServices.getProcedures().stream()</span> |
| <span class="source-line-no">077</span><span id="line-77"> .filter(p -> p instanceof MigrateNamespaceTableProcedure)</span> |
| <span class="source-line-no">078</span><span id="line-78"> .map(p -> (MigrateNamespaceTableProcedure) p).findAny();</span> |
| <span class="source-line-no">079</span><span id="line-79"> if (!opt.isPresent()) {</span> |
| <span class="source-line-no">080</span><span id="line-80"> // the procedure is not present, check whether have the ns family in meta table</span> |
| <span class="source-line-no">081</span><span id="line-81"> TableDescriptor metaTableDesc =</span> |
| <span class="source-line-no">082</span><span id="line-82"> masterServices.getTableDescriptors().get(TableName.META_TABLE_NAME);</span> |
| <span class="source-line-no">083</span><span id="line-83"> if (metaTableDesc.hasColumnFamily(HConstants.NAMESPACE_FAMILY)) {</span> |
| <span class="source-line-no">084</span><span id="line-84"> // normal case, upgrading is done or the cluster is created with 3.x code</span> |
| <span class="source-line-no">085</span><span id="line-85"> migrationDone = true;</span> |
| <span class="source-line-no">086</span><span id="line-86"> } else {</span> |
| <span class="source-line-no">087</span><span id="line-87"> // submit the migration procedure</span> |
| <span class="source-line-no">088</span><span id="line-88"> MigrateNamespaceTableProcedure proc = new MigrateNamespaceTableProcedure();</span> |
| <span class="source-line-no">089</span><span id="line-89"> masterServices.getMasterProcedureExecutor().submitProcedure(proc);</span> |
| <span class="source-line-no">090</span><span id="line-90"> }</span> |
| <span class="source-line-no">091</span><span id="line-91"> } else {</span> |
| <span class="source-line-no">092</span><span id="line-92"> if (opt.get().isFinished()) {</span> |
| <span class="source-line-no">093</span><span id="line-93"> // the procedure is already done</span> |
| <span class="source-line-no">094</span><span id="line-94"> migrationDone = true;</span> |
| <span class="source-line-no">095</span><span id="line-95"> }</span> |
| <span class="source-line-no">096</span><span id="line-96"> // we have already submitted the procedure, continue</span> |
| <span class="source-line-no">097</span><span id="line-97"> }</span> |
| <span class="source-line-no">098</span><span id="line-98"> }</span> |
| <span class="source-line-no">099</span><span id="line-99"></span> |
| <span class="source-line-no">100</span><span id="line-100"> private void addToCache(Result result, byte[] family, byte[] qualifier) throws IOException {</span> |
| <span class="source-line-no">101</span><span id="line-101"> Cell cell = result.getColumnLatestCell(family, qualifier);</span> |
| <span class="source-line-no">102</span><span id="line-102"> NamespaceDescriptor ns =</span> |
| <span class="source-line-no">103</span><span id="line-103"> ProtobufUtil.toNamespaceDescriptor(HBaseProtos.NamespaceDescriptor.parseFrom(CodedInputStream</span> |
| <span class="source-line-no">104</span><span id="line-104"> .newInstance(cell.getValueArray(), cell.getValueOffset(), cell.getValueLength())));</span> |
| <span class="source-line-no">105</span><span id="line-105"> cache.put(ns.getName(), ns);</span> |
| <span class="source-line-no">106</span><span id="line-106"> }</span> |
| <span class="source-line-no">107</span><span id="line-107"></span> |
| <span class="source-line-no">108</span><span id="line-108"> private void loadFromMeta() throws IOException {</span> |
| <span class="source-line-no">109</span><span id="line-109"> try (Table table = masterServices.getConnection().getTable(TableName.META_TABLE_NAME);</span> |
| <span class="source-line-no">110</span><span id="line-110"> ResultScanner scanner = table.getScanner(HConstants.NAMESPACE_FAMILY)) {</span> |
| <span class="source-line-no">111</span><span id="line-111"> for (Result result;;) {</span> |
| <span class="source-line-no">112</span><span id="line-112"> result = scanner.next();</span> |
| <span class="source-line-no">113</span><span id="line-113"> if (result == null) {</span> |
| <span class="source-line-no">114</span><span id="line-114"> break;</span> |
| <span class="source-line-no">115</span><span id="line-115"> }</span> |
| <span class="source-line-no">116</span><span id="line-116"> addToCache(result, HConstants.NAMESPACE_FAMILY, HConstants.NAMESPACE_COL_DESC_QUALIFIER);</span> |
| <span class="source-line-no">117</span><span id="line-117"> }</span> |
| <span class="source-line-no">118</span><span id="line-118"> }</span> |
| <span class="source-line-no">119</span><span id="line-119"> }</span> |
| <span class="source-line-no">120</span><span id="line-120"></span> |
| <span class="source-line-no">121</span><span id="line-121"> private void loadFromNamespace() throws IOException {</span> |
| <span class="source-line-no">122</span><span id="line-122"> try (Table table = masterServices.getConnection().getTable(TableName.NAMESPACE_TABLE_NAME);</span> |
| <span class="source-line-no">123</span><span id="line-123"> ResultScanner scanner =</span> |
| <span class="source-line-no">124</span><span id="line-124"> table.getScanner(TableDescriptorBuilder.NAMESPACE_FAMILY_INFO_BYTES)) {</span> |
| <span class="source-line-no">125</span><span id="line-125"> for (Result result;;) {</span> |
| <span class="source-line-no">126</span><span id="line-126"> result = scanner.next();</span> |
| <span class="source-line-no">127</span><span id="line-127"> if (result == null) {</span> |
| <span class="source-line-no">128</span><span id="line-128"> break;</span> |
| <span class="source-line-no">129</span><span id="line-129"> }</span> |
| <span class="source-line-no">130</span><span id="line-130"> addToCache(result, TableDescriptorBuilder.NAMESPACE_FAMILY_INFO_BYTES,</span> |
| <span class="source-line-no">131</span><span id="line-131"> TableDescriptorBuilder.NAMESPACE_COL_DESC_BYTES);</span> |
| <span class="source-line-no">132</span><span id="line-132"> }</span> |
| <span class="source-line-no">133</span><span id="line-133"> }</span> |
| <span class="source-line-no">134</span><span id="line-134"> }</span> |
| <span class="source-line-no">135</span><span id="line-135"></span> |
| <span class="source-line-no">136</span><span id="line-136"> private boolean shouldLoadFromMeta() throws IOException {</span> |
| <span class="source-line-no">137</span><span id="line-137"> if (migrationDone) {</span> |
| <span class="source-line-no">138</span><span id="line-138"> return true;</span> |
| <span class="source-line-no">139</span><span id="line-139"> }</span> |
| <span class="source-line-no">140</span><span id="line-140"> // the implementation is bit tricky</span> |
| <span class="source-line-no">141</span><span id="line-141"> // if there is already a disable namespace table procedure or the namespace table is already</span> |
| <span class="source-line-no">142</span><span id="line-142"> // disabled, we are safe to read from meta table as the migration is already done. If not, since</span> |
| <span class="source-line-no">143</span><span id="line-143"> // we are part of the master initialization work, so we can make sure that when reaching here,</span> |
| <span class="source-line-no">144</span><span id="line-144"> // the master has not been marked as initialize yet. And DisableTableProcedure can only be</span> |
| <span class="source-line-no">145</span><span id="line-145"> // executed after master is initialized, so here we are safe to read from namespace table,</span> |
| <span class="source-line-no">146</span><span id="line-146"> // without worrying about that the namespace table is disabled while we are reading and crash</span> |
| <span class="source-line-no">147</span><span id="line-147"> // the master startup.</span> |
| <span class="source-line-no">148</span><span id="line-148"> if (</span> |
| <span class="source-line-no">149</span><span id="line-149"> masterServices.getTableStateManager().isTableState(TableName.NAMESPACE_TABLE_NAME,</span> |
| <span class="source-line-no">150</span><span id="line-150"> TableState.State.DISABLED)</span> |
| <span class="source-line-no">151</span><span id="line-151"> ) {</span> |
| <span class="source-line-no">152</span><span id="line-152"> return true;</span> |
| <span class="source-line-no">153</span><span id="line-153"> }</span> |
| <span class="source-line-no">154</span><span id="line-154"> if (</span> |
| <span class="source-line-no">155</span><span id="line-155"> masterServices.getProcedures().stream().filter(p -> p instanceof DisableTableProcedure)</span> |
| <span class="source-line-no">156</span><span id="line-156"> .anyMatch(</span> |
| <span class="source-line-no">157</span><span id="line-157"> p -> ((DisableTableProcedure) p).getTableName().equals(TableName.NAMESPACE_TABLE_NAME))</span> |
| <span class="source-line-no">158</span><span id="line-158"> ) {</span> |
| <span class="source-line-no">159</span><span id="line-159"> return true;</span> |
| <span class="source-line-no">160</span><span id="line-160"> }</span> |
| <span class="source-line-no">161</span><span id="line-161"> return false;</span> |
| <span class="source-line-no">162</span><span id="line-162"> }</span> |
| <span class="source-line-no">163</span><span id="line-163"></span> |
| <span class="source-line-no">164</span><span id="line-164"> private void loadNamespaceIntoCache() throws IOException {</span> |
| <span class="source-line-no">165</span><span id="line-165"> if (shouldLoadFromMeta()) {</span> |
| <span class="source-line-no">166</span><span id="line-166"> loadFromMeta();</span> |
| <span class="source-line-no">167</span><span id="line-167"> } else {</span> |
| <span class="source-line-no">168</span><span id="line-168"> loadFromNamespace();</span> |
| <span class="source-line-no">169</span><span id="line-169"> }</span> |
| <span class="source-line-no">170</span><span id="line-170"></span> |
| <span class="source-line-no">171</span><span id="line-171"> }</span> |
| <span class="source-line-no">172</span><span id="line-172"></span> |
| <span class="source-line-no">173</span><span id="line-173"> public void start() throws IOException, InterruptedException {</span> |
| <span class="source-line-no">174</span><span id="line-174"> tryMigrateNamespaceTable();</span> |
| <span class="source-line-no">175</span><span id="line-175"> loadNamespaceIntoCache();</span> |
| <span class="source-line-no">176</span><span id="line-176"> }</span> |
| <span class="source-line-no">177</span><span id="line-177"></span> |
| <span class="source-line-no">178</span><span id="line-178"> /**</span> |
| <span class="source-line-no">179</span><span id="line-179"> * check whether a namespace has already existed.</span> |
| <span class="source-line-no">180</span><span id="line-180"> */</span> |
| <span class="source-line-no">181</span><span id="line-181"> public boolean doesNamespaceExist(String namespaceName) throws IOException {</span> |
| <span class="source-line-no">182</span><span id="line-182"> return cache.containsKey(namespaceName);</span> |
| <span class="source-line-no">183</span><span id="line-183"> }</span> |
| <span class="source-line-no">184</span><span id="line-184"></span> |
| <span class="source-line-no">185</span><span id="line-185"> public NamespaceDescriptor get(String name) throws IOException {</span> |
| <span class="source-line-no">186</span><span id="line-186"> return cache.get(name);</span> |
| <span class="source-line-no">187</span><span id="line-187"> }</span> |
| <span class="source-line-no">188</span><span id="line-188"></span> |
| <span class="source-line-no">189</span><span id="line-189"> private void checkMigrationDone() throws IOException {</span> |
| <span class="source-line-no">190</span><span id="line-190"> if (!migrationDone) {</span> |
| <span class="source-line-no">191</span><span id="line-191"> throw new HBaseIOException("namespace migration is ongoing, modification is disallowed");</span> |
| <span class="source-line-no">192</span><span id="line-192"> }</span> |
| <span class="source-line-no">193</span><span id="line-193"> }</span> |
| <span class="source-line-no">194</span><span id="line-194"></span> |
| <span class="source-line-no">195</span><span id="line-195"> public void addOrUpdateNamespace(NamespaceDescriptor ns) throws IOException {</span> |
| <span class="source-line-no">196</span><span id="line-196"> checkMigrationDone();</span> |
| <span class="source-line-no">197</span><span id="line-197"> insertNamespaceToMeta(masterServices.getConnection(), ns);</span> |
| <span class="source-line-no">198</span><span id="line-198"> cache.put(ns.getName(), ns);</span> |
| <span class="source-line-no">199</span><span id="line-199"> }</span> |
| <span class="source-line-no">200</span><span id="line-200"></span> |
| <span class="source-line-no">201</span><span id="line-201"> public static void insertNamespaceToMeta(Connection conn, NamespaceDescriptor ns)</span> |
| <span class="source-line-no">202</span><span id="line-202"> throws IOException {</span> |
| <span class="source-line-no">203</span><span id="line-203"> byte[] row = Bytes.toBytes(ns.getName());</span> |
| <span class="source-line-no">204</span><span id="line-204"> Put put = new Put(row, true).addColumn(HConstants.NAMESPACE_FAMILY,</span> |
| <span class="source-line-no">205</span><span id="line-205"> HConstants.NAMESPACE_COL_DESC_QUALIFIER,</span> |
| <span class="source-line-no">206</span><span id="line-206"> ProtobufUtil.toProtoNamespaceDescriptor(ns).toByteArray());</span> |
| <span class="source-line-no">207</span><span id="line-207"> try (Table table = conn.getTable(TableName.META_TABLE_NAME)) {</span> |
| <span class="source-line-no">208</span><span id="line-208"> table.put(put);</span> |
| <span class="source-line-no">209</span><span id="line-209"> }</span> |
| <span class="source-line-no">210</span><span id="line-210"> }</span> |
| <span class="source-line-no">211</span><span id="line-211"></span> |
| <span class="source-line-no">212</span><span id="line-212"> public void deleteNamespace(String namespaceName) throws IOException {</span> |
| <span class="source-line-no">213</span><span id="line-213"> checkMigrationDone();</span> |
| <span class="source-line-no">214</span><span id="line-214"> Delete d = new Delete(Bytes.toBytes(namespaceName));</span> |
| <span class="source-line-no">215</span><span id="line-215"> try (Table table = masterServices.getConnection().getTable(TableName.META_TABLE_NAME)) {</span> |
| <span class="source-line-no">216</span><span id="line-216"> table.delete(d);</span> |
| <span class="source-line-no">217</span><span id="line-217"> }</span> |
| <span class="source-line-no">218</span><span id="line-218"> cache.remove(namespaceName);</span> |
| <span class="source-line-no">219</span><span id="line-219"> }</span> |
| <span class="source-line-no">220</span><span id="line-220"></span> |
| <span class="source-line-no">221</span><span id="line-221"> public List<NamespaceDescriptor> list() throws IOException {</span> |
| <span class="source-line-no">222</span><span id="line-222"> return cache.values().stream().collect(Collectors.toList());</span> |
| <span class="source-line-no">223</span><span id="line-223"> }</span> |
| <span class="source-line-no">224</span><span id="line-224"></span> |
| <span class="source-line-no">225</span><span id="line-225"> public void validateTableAndRegionCount(NamespaceDescriptor desc) throws IOException {</span> |
| <span class="source-line-no">226</span><span id="line-226"> if (getMaxRegions(desc) <= 0) {</span> |
| <span class="source-line-no">227</span><span id="line-227"> throw new ConstraintException(</span> |
| <span class="source-line-no">228</span><span id="line-228"> "The max region quota for " + desc.getName() + " is less than or equal to zero.");</span> |
| <span class="source-line-no">229</span><span id="line-229"> }</span> |
| <span class="source-line-no">230</span><span id="line-230"> if (getMaxTables(desc) <= 0) {</span> |
| <span class="source-line-no">231</span><span id="line-231"> throw new ConstraintException(</span> |
| <span class="source-line-no">232</span><span id="line-232"> "The max tables quota for " + desc.getName() + " is less than or equal to zero.");</span> |
| <span class="source-line-no">233</span><span id="line-233"> }</span> |
| <span class="source-line-no">234</span><span id="line-234"> }</span> |
| <span class="source-line-no">235</span><span id="line-235"></span> |
| <span class="source-line-no">236</span><span id="line-236"> public void setMigrationDone() {</span> |
| <span class="source-line-no">237</span><span id="line-237"> migrationDone = true;</span> |
| <span class="source-line-no">238</span><span id="line-238"> }</span> |
| <span class="source-line-no">239</span><span id="line-239"></span> |
| <span class="source-line-no">240</span><span id="line-240"> public static long getMaxTables(NamespaceDescriptor ns) throws IOException {</span> |
| <span class="source-line-no">241</span><span id="line-241"> String value = ns.getConfigurationValue(KEY_MAX_TABLES);</span> |
| <span class="source-line-no">242</span><span id="line-242"> long maxTables = 0;</span> |
| <span class="source-line-no">243</span><span id="line-243"> if (StringUtils.isNotEmpty(value)) {</span> |
| <span class="source-line-no">244</span><span id="line-244"> try {</span> |
| <span class="source-line-no">245</span><span id="line-245"> maxTables = Long.parseLong(value);</span> |
| <span class="source-line-no">246</span><span id="line-246"> } catch (NumberFormatException exp) {</span> |
| <span class="source-line-no">247</span><span id="line-247"> throw new DoNotRetryIOException("NumberFormatException while getting max tables.", exp);</span> |
| <span class="source-line-no">248</span><span id="line-248"> }</span> |
| <span class="source-line-no">249</span><span id="line-249"> } else {</span> |
| <span class="source-line-no">250</span><span id="line-250"> // The property is not set, so assume its the max long value.</span> |
| <span class="source-line-no">251</span><span id="line-251"> maxTables = Long.MAX_VALUE;</span> |
| <span class="source-line-no">252</span><span id="line-252"> }</span> |
| <span class="source-line-no">253</span><span id="line-253"> return maxTables;</span> |
| <span class="source-line-no">254</span><span id="line-254"> }</span> |
| <span class="source-line-no">255</span><span id="line-255"></span> |
| <span class="source-line-no">256</span><span id="line-256"> public static long getMaxRegions(NamespaceDescriptor ns) throws IOException {</span> |
| <span class="source-line-no">257</span><span id="line-257"> String value = ns.getConfigurationValue(KEY_MAX_REGIONS);</span> |
| <span class="source-line-no">258</span><span id="line-258"> long maxRegions = 0;</span> |
| <span class="source-line-no">259</span><span id="line-259"> if (StringUtils.isNotEmpty(value)) {</span> |
| <span class="source-line-no">260</span><span id="line-260"> try {</span> |
| <span class="source-line-no">261</span><span id="line-261"> maxRegions = Long.parseLong(value);</span> |
| <span class="source-line-no">262</span><span id="line-262"> } catch (NumberFormatException exp) {</span> |
| <span class="source-line-no">263</span><span id="line-263"> throw new DoNotRetryIOException("NumberFormatException while getting max regions.", exp);</span> |
| <span class="source-line-no">264</span><span id="line-264"> }</span> |
| <span class="source-line-no">265</span><span id="line-265"> } else {</span> |
| <span class="source-line-no">266</span><span id="line-266"> // The property is not set, so assume its the max long value.</span> |
| <span class="source-line-no">267</span><span id="line-267"> maxRegions = Long.MAX_VALUE;</span> |
| <span class="source-line-no">268</span><span id="line-268"> }</span> |
| <span class="source-line-no">269</span><span id="line-269"> return maxRegions;</span> |
| <span class="source-line-no">270</span><span id="line-270"> }</span> |
| <span class="source-line-no">271</span><span id="line-271">}</span> |
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| </pre> |
| </div> |
| </main> |
| </body> |
| </html> |
