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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.quotas;</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.HashMap;</span> |
| <span class="source-line-no">021</span><span id="line-21">import java.util.HashSet;</span> |
| <span class="source-line-no">022</span><span id="line-22">import java.util.Map;</span> |
| <span class="source-line-no">023</span><span id="line-23">import java.util.Set;</span> |
| <span class="source-line-no">024</span><span id="line-24">import org.apache.hadoop.hbase.TableName;</span> |
| <span class="source-line-no">025</span><span id="line-25">import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;</span> |
| <span class="source-line-no">026</span><span id="line-26">import org.apache.yetus.audience.InterfaceAudience;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.apache.yetus.audience.InterfaceStability;</span> |
| <span class="source-line-no">028</span><span id="line-28"></span> |
| <span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.hbase.shaded.protobuf.generated.QuotaProtos.Quotas;</span> |
| <span class="source-line-no">030</span><span id="line-30"></span> |
| <span class="source-line-no">031</span><span id="line-31">/**</span> |
| <span class="source-line-no">032</span><span id="line-32"> * In-Memory state of the user quotas</span> |
| <span class="source-line-no">033</span><span id="line-33"> */</span> |
| <span class="source-line-no">034</span><span id="line-34">@InterfaceAudience.Private</span> |
| <span class="source-line-no">035</span><span id="line-35">@InterfaceStability.Evolving</span> |
| <span class="source-line-no">036</span><span id="line-36">@edu.umd.cs.findbugs.annotations.SuppressWarnings(value = "IS2_INCONSISTENT_SYNC",</span> |
| <span class="source-line-no">037</span><span id="line-37"> justification = "FindBugs seems confused; says bypassGlobals, namepaceLimiters, and "</span> |
| <span class="source-line-no">038</span><span id="line-38"> + "tableLimiters are mostly synchronized..."</span> |
| <span class="source-line-no">039</span><span id="line-39"> + "but to me it looks like they are totally synchronized")</span> |
| <span class="source-line-no">040</span><span id="line-40">public class UserQuotaState extends QuotaState {</span> |
| <span class="source-line-no">041</span><span id="line-41"> private Map<String, QuotaLimiter> namespaceLimiters = null;</span> |
| <span class="source-line-no">042</span><span id="line-42"> private Map<TableName, QuotaLimiter> tableLimiters = null;</span> |
| <span class="source-line-no">043</span><span id="line-43"> private boolean bypassGlobals = false;</span> |
| <span class="source-line-no">044</span><span id="line-44"></span> |
| <span class="source-line-no">045</span><span id="line-45"> public UserQuotaState() {</span> |
| <span class="source-line-no">046</span><span id="line-46"> super();</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"> public UserQuotaState(final long updateTs) {</span> |
| <span class="source-line-no">050</span><span id="line-50"> super(updateTs);</span> |
| <span class="source-line-no">051</span><span id="line-51"> }</span> |
| <span class="source-line-no">052</span><span id="line-52"></span> |
| <span class="source-line-no">053</span><span id="line-53"> @Override</span> |
| <span class="source-line-no">054</span><span id="line-54"> public synchronized String toString() {</span> |
| <span class="source-line-no">055</span><span id="line-55"> StringBuilder builder = new StringBuilder();</span> |
| <span class="source-line-no">056</span><span id="line-56"> builder.append("UserQuotaState(ts=" + getLastUpdate());</span> |
| <span class="source-line-no">057</span><span id="line-57"> if (bypassGlobals) builder.append(" bypass-globals");</span> |
| <span class="source-line-no">058</span><span id="line-58"></span> |
| <span class="source-line-no">059</span><span id="line-59"> if (isBypass()) {</span> |
| <span class="source-line-no">060</span><span id="line-60"> builder.append(" bypass");</span> |
| <span class="source-line-no">061</span><span id="line-61"> } else {</span> |
| <span class="source-line-no">062</span><span id="line-62"> if (getGlobalLimiterWithoutUpdatingLastQuery() != NoopQuotaLimiter.get()) {</span> |
| <span class="source-line-no">063</span><span id="line-63"> builder.append(" global-limiter");</span> |
| <span class="source-line-no">064</span><span id="line-64"> }</span> |
| <span class="source-line-no">065</span><span id="line-65"></span> |
| <span class="source-line-no">066</span><span id="line-66"> if (tableLimiters != null && !tableLimiters.isEmpty()) {</span> |
| <span class="source-line-no">067</span><span id="line-67"> builder.append(" [");</span> |
| <span class="source-line-no">068</span><span id="line-68"> for (TableName table : tableLimiters.keySet()) {</span> |
| <span class="source-line-no">069</span><span id="line-69"> builder.append(" " + table);</span> |
| <span class="source-line-no">070</span><span id="line-70"> }</span> |
| <span class="source-line-no">071</span><span id="line-71"> builder.append(" ]");</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"> if (namespaceLimiters != null && !namespaceLimiters.isEmpty()) {</span> |
| <span class="source-line-no">075</span><span id="line-75"> builder.append(" [");</span> |
| <span class="source-line-no">076</span><span id="line-76"> for (String ns : namespaceLimiters.keySet()) {</span> |
| <span class="source-line-no">077</span><span id="line-77"> builder.append(" " + ns);</span> |
| <span class="source-line-no">078</span><span id="line-78"> }</span> |
| <span class="source-line-no">079</span><span id="line-79"> builder.append(" ]");</span> |
| <span class="source-line-no">080</span><span id="line-80"> }</span> |
| <span class="source-line-no">081</span><span id="line-81"> }</span> |
| <span class="source-line-no">082</span><span id="line-82"> builder.append(')');</span> |
| <span class="source-line-no">083</span><span id="line-83"> return builder.toString();</span> |
| <span class="source-line-no">084</span><span id="line-84"> }</span> |
| <span class="source-line-no">085</span><span id="line-85"></span> |
| <span class="source-line-no">086</span><span id="line-86"> /** Returns true if there is no quota information associated to this object */</span> |
| <span class="source-line-no">087</span><span id="line-87"> @Override</span> |
| <span class="source-line-no">088</span><span id="line-88"> public synchronized boolean isBypass() {</span> |
| <span class="source-line-no">089</span><span id="line-89"> return !bypassGlobals && getGlobalLimiterWithoutUpdatingLastQuery() == NoopQuotaLimiter.get()</span> |
| <span class="source-line-no">090</span><span id="line-90"> && (tableLimiters == null || tableLimiters.isEmpty())</span> |
| <span class="source-line-no">091</span><span id="line-91"> && (namespaceLimiters == null || namespaceLimiters.isEmpty());</span> |
| <span class="source-line-no">092</span><span id="line-92"> }</span> |
| <span class="source-line-no">093</span><span id="line-93"></span> |
| <span class="source-line-no">094</span><span id="line-94"> public synchronized boolean hasBypassGlobals() {</span> |
| <span class="source-line-no">095</span><span id="line-95"> return bypassGlobals;</span> |
| <span class="source-line-no">096</span><span id="line-96"> }</span> |
| <span class="source-line-no">097</span><span id="line-97"></span> |
| <span class="source-line-no">098</span><span id="line-98"> @Override</span> |
| <span class="source-line-no">099</span><span id="line-99"> public synchronized void setQuotas(final Quotas quotas) {</span> |
| <span class="source-line-no">100</span><span id="line-100"> super.setQuotas(quotas);</span> |
| <span class="source-line-no">101</span><span id="line-101"> bypassGlobals = quotas.getBypassGlobals();</span> |
| <span class="source-line-no">102</span><span id="line-102"> }</span> |
| <span class="source-line-no">103</span><span id="line-103"></span> |
| <span class="source-line-no">104</span><span id="line-104"> /**</span> |
| <span class="source-line-no">105</span><span id="line-105"> * Add the quota information of the specified table. (This operation is part of the QuotaState</span> |
| <span class="source-line-no">106</span><span id="line-106"> * setup)</span> |
| <span class="source-line-no">107</span><span id="line-107"> */</span> |
| <span class="source-line-no">108</span><span id="line-108"> public synchronized void setQuotas(final TableName table, Quotas quotas) {</span> |
| <span class="source-line-no">109</span><span id="line-109"> tableLimiters = setLimiter(tableLimiters, table, quotas);</span> |
| <span class="source-line-no">110</span><span id="line-110"> }</span> |
| <span class="source-line-no">111</span><span id="line-111"></span> |
| <span class="source-line-no">112</span><span id="line-112"> /**</span> |
| <span class="source-line-no">113</span><span id="line-113"> * Add the quota information of the specified namespace. (This operation is part of the QuotaState</span> |
| <span class="source-line-no">114</span><span id="line-114"> * setup)</span> |
| <span class="source-line-no">115</span><span id="line-115"> */</span> |
| <span class="source-line-no">116</span><span id="line-116"> public void setQuotas(final String namespace, Quotas quotas) {</span> |
| <span class="source-line-no">117</span><span id="line-117"> namespaceLimiters = setLimiter(namespaceLimiters, namespace, quotas);</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"> private <K> Map<K, QuotaLimiter> setLimiter(Map<K, QuotaLimiter> limiters, final K key,</span> |
| <span class="source-line-no">121</span><span id="line-121"> final Quotas quotas) {</span> |
| <span class="source-line-no">122</span><span id="line-122"> if (limiters == null) {</span> |
| <span class="source-line-no">123</span><span id="line-123"> limiters = new HashMap<>();</span> |
| <span class="source-line-no">124</span><span id="line-124"> }</span> |
| <span class="source-line-no">125</span><span id="line-125"></span> |
| <span class="source-line-no">126</span><span id="line-126"> QuotaLimiter limiter =</span> |
| <span class="source-line-no">127</span><span id="line-127"> quotas.hasThrottle() ? QuotaLimiterFactory.fromThrottle(quotas.getThrottle()) : null;</span> |
| <span class="source-line-no">128</span><span id="line-128"> if (limiter != null && !limiter.isBypass()) {</span> |
| <span class="source-line-no">129</span><span id="line-129"> limiters.put(key, limiter);</span> |
| <span class="source-line-no">130</span><span id="line-130"> } else {</span> |
| <span class="source-line-no">131</span><span id="line-131"> limiters.remove(key);</span> |
| <span class="source-line-no">132</span><span id="line-132"> }</span> |
| <span class="source-line-no">133</span><span id="line-133"> return limiters;</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"> /**</span> |
| <span class="source-line-no">137</span><span id="line-137"> * Perform an update of the quota state based on the other quota state object. (This operation is</span> |
| <span class="source-line-no">138</span><span id="line-138"> * executed by the QuotaCache)</span> |
| <span class="source-line-no">139</span><span id="line-139"> */</span> |
| <span class="source-line-no">140</span><span id="line-140"> @Override</span> |
| <span class="source-line-no">141</span><span id="line-141"> public synchronized void update(final QuotaState other) {</span> |
| <span class="source-line-no">142</span><span id="line-142"> super.update(other);</span> |
| <span class="source-line-no">143</span><span id="line-143"></span> |
| <span class="source-line-no">144</span><span id="line-144"> if (other instanceof UserQuotaState) {</span> |
| <span class="source-line-no">145</span><span id="line-145"> UserQuotaState uOther = (UserQuotaState) other;</span> |
| <span class="source-line-no">146</span><span id="line-146"> tableLimiters = updateLimiters(tableLimiters, uOther.tableLimiters);</span> |
| <span class="source-line-no">147</span><span id="line-147"> namespaceLimiters = updateLimiters(namespaceLimiters, uOther.namespaceLimiters);</span> |
| <span class="source-line-no">148</span><span id="line-148"> bypassGlobals = uOther.bypassGlobals;</span> |
| <span class="source-line-no">149</span><span id="line-149"> } else {</span> |
| <span class="source-line-no">150</span><span id="line-150"> tableLimiters = null;</span> |
| <span class="source-line-no">151</span><span id="line-151"> namespaceLimiters = null;</span> |
| <span class="source-line-no">152</span><span id="line-152"> bypassGlobals = false;</span> |
| <span class="source-line-no">153</span><span id="line-153"> }</span> |
| <span class="source-line-no">154</span><span id="line-154"> }</span> |
| <span class="source-line-no">155</span><span id="line-155"></span> |
| <span class="source-line-no">156</span><span id="line-156"> private static <K> Map<K, QuotaLimiter> updateLimiters(final Map<K, QuotaLimiter> map,</span> |
| <span class="source-line-no">157</span><span id="line-157"> final Map<K, QuotaLimiter> otherMap) {</span> |
| <span class="source-line-no">158</span><span id="line-158"> if (map == null) {</span> |
| <span class="source-line-no">159</span><span id="line-159"> return otherMap;</span> |
| <span class="source-line-no">160</span><span id="line-160"> }</span> |
| <span class="source-line-no">161</span><span id="line-161"></span> |
| <span class="source-line-no">162</span><span id="line-162"> if (otherMap != null) {</span> |
| <span class="source-line-no">163</span><span id="line-163"> // To Remove</span> |
| <span class="source-line-no">164</span><span id="line-164"> Set<K> toRemove = new HashSet<>(map.keySet());</span> |
| <span class="source-line-no">165</span><span id="line-165"> toRemove.removeAll(otherMap.keySet());</span> |
| <span class="source-line-no">166</span><span id="line-166"> map.keySet().removeAll(toRemove);</span> |
| <span class="source-line-no">167</span><span id="line-167"></span> |
| <span class="source-line-no">168</span><span id="line-168"> // To Update/Add</span> |
| <span class="source-line-no">169</span><span id="line-169"> for (final Map.Entry<K, QuotaLimiter> entry : otherMap.entrySet()) {</span> |
| <span class="source-line-no">170</span><span id="line-170"> QuotaLimiter limiter = map.get(entry.getKey());</span> |
| <span class="source-line-no">171</span><span id="line-171"> if (limiter == null) {</span> |
| <span class="source-line-no">172</span><span id="line-172"> limiter = entry.getValue();</span> |
| <span class="source-line-no">173</span><span id="line-173"> } else {</span> |
| <span class="source-line-no">174</span><span id="line-174"> limiter = QuotaLimiterFactory.update(limiter, entry.getValue());</span> |
| <span class="source-line-no">175</span><span id="line-175"> }</span> |
| <span class="source-line-no">176</span><span id="line-176"> map.put(entry.getKey(), limiter);</span> |
| <span class="source-line-no">177</span><span id="line-177"> }</span> |
| <span class="source-line-no">178</span><span id="line-178"> return map;</span> |
| <span class="source-line-no">179</span><span id="line-179"> }</span> |
| <span class="source-line-no">180</span><span id="line-180"> return null;</span> |
| <span class="source-line-no">181</span><span id="line-181"> }</span> |
| <span class="source-line-no">182</span><span id="line-182"></span> |
| <span class="source-line-no">183</span><span id="line-183"> /**</span> |
| <span class="source-line-no">184</span><span id="line-184"> * Return the limiter for the specified table associated with this quota. If the table does not</span> |
| <span class="source-line-no">185</span><span id="line-185"> * have its own quota limiter the global one will be returned. In case there is no quota limiter</span> |
| <span class="source-line-no">186</span><span id="line-186"> * associated with this object a noop limiter will be returned.</span> |
| <span class="source-line-no">187</span><span id="line-187"> * @return the quota limiter for the specified table</span> |
| <span class="source-line-no">188</span><span id="line-188"> */</span> |
| <span class="source-line-no">189</span><span id="line-189"> public synchronized QuotaLimiter getTableLimiter(final TableName table) {</span> |
| <span class="source-line-no">190</span><span id="line-190"> lastQuery = EnvironmentEdgeManager.currentTime();</span> |
| <span class="source-line-no">191</span><span id="line-191"> if (tableLimiters != null) {</span> |
| <span class="source-line-no">192</span><span id="line-192"> QuotaLimiter limiter = tableLimiters.get(table);</span> |
| <span class="source-line-no">193</span><span id="line-193"> if (limiter != null) return limiter;</span> |
| <span class="source-line-no">194</span><span id="line-194"> }</span> |
| <span class="source-line-no">195</span><span id="line-195"> if (namespaceLimiters != null) {</span> |
| <span class="source-line-no">196</span><span id="line-196"> QuotaLimiter limiter = namespaceLimiters.get(table.getNamespaceAsString());</span> |
| <span class="source-line-no">197</span><span id="line-197"> if (limiter != null) return limiter;</span> |
| <span class="source-line-no">198</span><span id="line-198"> }</span> |
| <span class="source-line-no">199</span><span id="line-199"> return getGlobalLimiterWithoutUpdatingLastQuery();</span> |
| <span class="source-line-no">200</span><span id="line-200"> }</span> |
| <span class="source-line-no">201</span><span id="line-201">}</span> |
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| </pre> |
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| </body> |
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