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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>package org.apache.hadoop.hbase.procedure2;<a name="line.18"></a> |
| <span class="sourceLineNo">019</span><a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import java.io.IOException;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import java.io.InputStream;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.lang.reflect.Constructor;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.lang.reflect.Modifier;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import java.util.concurrent.TimeUnit;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import org.apache.hadoop.conf.Configuration;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.HConstants;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.util.NonceKey;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.util.RetryCounter;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.util.RetryCounter.ExponentialBackoffPolicyWithLimit;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.util.RetryCounter.RetryConfig;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span><a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hbase.thirdparty.com.google.common.base.Preconditions;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hbase.thirdparty.com.google.protobuf.Any;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hbase.thirdparty.com.google.protobuf.Internal;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hbase.thirdparty.com.google.protobuf.InvalidProtocolBufferException;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hbase.thirdparty.com.google.protobuf.Message;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hbase.thirdparty.com.google.protobuf.Parser;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hbase.thirdparty.com.google.protobuf.UnsafeByteOperations;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span><a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.LockServiceProtos;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ProcedureProtos;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span><a name="line.43"></a> |
| <span class="sourceLineNo">044</span>/**<a name="line.44"></a> |
| <span class="sourceLineNo">045</span> * Helper to convert to/from ProcedureProtos<a name="line.45"></a> |
| <span class="sourceLineNo">046</span> */<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>@InterfaceAudience.Private<a name="line.47"></a> |
| <span class="sourceLineNo">048</span>public final class ProcedureUtil {<a name="line.48"></a> |
| <span class="sourceLineNo">049</span><a name="line.49"></a> |
| <span class="sourceLineNo">050</span> private ProcedureUtil() {<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> }<a name="line.51"></a> |
| <span class="sourceLineNo">052</span><a name="line.52"></a> |
| <span class="sourceLineNo">053</span> // ==========================================================================<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> // Reflection helpers to create/validate a Procedure object<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> // ==========================================================================<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> private static Procedure<?> newProcedure(String className) throws BadProcedureException {<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> try {<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> Class<?> clazz = Class.forName(className);<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> if (!Modifier.isPublic(clazz.getModifiers())) {<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> throw new Exception("the " + clazz + " class is not public");<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> }<a name="line.61"></a> |
| <span class="sourceLineNo">062</span><a name="line.62"></a> |
| <span class="sourceLineNo">063</span> @SuppressWarnings("rawtypes")<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> Constructor<? extends Procedure> ctor = clazz.asSubclass(Procedure.class).getConstructor();<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> assert ctor != null : "no constructor found";<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> if (!Modifier.isPublic(ctor.getModifiers())) {<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> throw new Exception("the " + clazz + " constructor is not public");<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> }<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> return ctor.newInstance();<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> } catch (Exception e) {<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> throw new BadProcedureException(<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> "The procedure class " + className + " must be accessible and have an empty constructor",<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> e);<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> }<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> }<a name="line.75"></a> |
| <span class="sourceLineNo">076</span><a name="line.76"></a> |
| <span class="sourceLineNo">077</span> static void validateClass(Procedure<?> proc) throws BadProcedureException {<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> try {<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> Class<?> clazz = proc.getClass();<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> if (!Modifier.isPublic(clazz.getModifiers())) {<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> throw new Exception("the " + clazz + " class is not public");<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> }<a name="line.82"></a> |
| <span class="sourceLineNo">083</span><a name="line.83"></a> |
| <span class="sourceLineNo">084</span> Constructor<?> ctor = clazz.getConstructor();<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> assert ctor != null;<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> if (!Modifier.isPublic(ctor.getModifiers())) {<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> throw new Exception("the " + clazz + " constructor is not public");<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> }<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> } catch (Exception e) {<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> throw new BadProcedureException("The procedure class " + proc.getClass().getName()<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> + " must be accessible and have an empty constructor", e);<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> }<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> }<a name="line.93"></a> |
| <span class="sourceLineNo">094</span><a name="line.94"></a> |
| <span class="sourceLineNo">095</span> // ==========================================================================<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> // convert to and from Procedure object<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> // ==========================================================================<a name="line.97"></a> |
| <span class="sourceLineNo">098</span><a name="line.98"></a> |
| <span class="sourceLineNo">099</span> /**<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> * A serializer for our Procedures. Instead of the previous serializer, it uses the stateMessage<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> * list to store the internal state of the Procedures.<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> */<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> private static class StateSerializer implements ProcedureStateSerializer {<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> private final ProcedureProtos.Procedure.Builder builder;<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> private int deserializeIndex;<a name="line.105"></a> |
| <span class="sourceLineNo">106</span><a name="line.106"></a> |
| <span class="sourceLineNo">107</span> public StateSerializer(ProcedureProtos.Procedure.Builder builder) {<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> this.builder = builder;<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> }<a name="line.109"></a> |
| <span class="sourceLineNo">110</span><a name="line.110"></a> |
| <span class="sourceLineNo">111</span> @Override<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> public void serialize(Message message) throws IOException {<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> Any packedMessage = Any.pack(message);<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> builder.addStateMessage(packedMessage);<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> @Override<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> public <M extends Message> M deserialize(Class<M> clazz) throws IOException {<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> if (deserializeIndex >= builder.getStateMessageCount()) {<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> throw new IOException("Invalid state message index: " + deserializeIndex);<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> }<a name="line.121"></a> |
| <span class="sourceLineNo">122</span><a name="line.122"></a> |
| <span class="sourceLineNo">123</span> try {<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> Any packedMessage = builder.getStateMessage(deserializeIndex++);<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> return packedMessage.unpack(clazz);<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> } catch (InvalidProtocolBufferException e) {<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> throw e.unwrapIOException();<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> }<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> }<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> }<a name="line.130"></a> |
| <span class="sourceLineNo">131</span><a name="line.131"></a> |
| <span class="sourceLineNo">132</span> /**<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> * A serializer (deserializer) for those Procedures which were serialized before this patch. It<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> * deserializes the old, binary stateData field.<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> */<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> private static class CompatStateSerializer implements ProcedureStateSerializer {<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> private InputStream inputStream;<a name="line.137"></a> |
| <span class="sourceLineNo">138</span><a name="line.138"></a> |
| <span class="sourceLineNo">139</span> public CompatStateSerializer(InputStream inputStream) {<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> this.inputStream = inputStream;<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> }<a name="line.141"></a> |
| <span class="sourceLineNo">142</span><a name="line.142"></a> |
| <span class="sourceLineNo">143</span> @Override<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> public void serialize(Message message) throws IOException {<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> throw new UnsupportedOperationException();<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> }<a name="line.146"></a> |
| <span class="sourceLineNo">147</span><a name="line.147"></a> |
| <span class="sourceLineNo">148</span> @SuppressWarnings("unchecked")<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> @Override<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> public <M extends Message> M deserialize(Class<M> clazz) throws IOException {<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> Parser<M> parser = (Parser<M>) Internal.getDefaultInstance(clazz).getParserForType();<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> try {<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> return parser.parseDelimitedFrom(inputStream);<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> } catch (InvalidProtocolBufferException e) {<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> throw e.unwrapIOException();<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> }<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> }<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> }<a name="line.158"></a> |
| <span class="sourceLineNo">159</span><a name="line.159"></a> |
| <span class="sourceLineNo">160</span> /**<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> * Helper to convert the procedure to protobuf.<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> * <p/><a name="line.162"></a> |
| <span class="sourceLineNo">163</span> * Used by ProcedureStore implementations.<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> */<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> public static ProcedureProtos.Procedure convertToProtoProcedure(Procedure<?> proc)<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> throws IOException {<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> Preconditions.checkArgument(proc != null);<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> validateClass(proc);<a name="line.168"></a> |
| <span class="sourceLineNo">169</span><a name="line.169"></a> |
| <span class="sourceLineNo">170</span> final ProcedureProtos.Procedure.Builder builder = ProcedureProtos.Procedure.newBuilder()<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> .setClassName(proc.getClass().getName()).setProcId(proc.getProcId()).setState(proc.getState())<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> .setSubmittedTime(proc.getSubmittedTime()).setLastUpdate(proc.getLastUpdate());<a name="line.172"></a> |
| <span class="sourceLineNo">173</span><a name="line.173"></a> |
| <span class="sourceLineNo">174</span> if (proc.hasParent()) {<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> builder.setParentId(proc.getParentProcId());<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> if (proc.hasTimeout()) {<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> builder.setTimeout(proc.getTimeout());<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> }<a name="line.180"></a> |
| <span class="sourceLineNo">181</span><a name="line.181"></a> |
| <span class="sourceLineNo">182</span> if (proc.hasOwner()) {<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> builder.setOwner(proc.getOwner());<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> }<a name="line.184"></a> |
| <span class="sourceLineNo">185</span><a name="line.185"></a> |
| <span class="sourceLineNo">186</span> final int[] stackIds = proc.getStackIndexes();<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> if (stackIds != null) {<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> for (int i = 0; i < stackIds.length; ++i) {<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> builder.addStackId(stackIds[i]);<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> builder.setExecuted(proc.wasExecuted());<a name="line.192"></a> |
| <span class="sourceLineNo">193</span><a name="line.193"></a> |
| <span class="sourceLineNo">194</span> if (proc.hasException()) {<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> RemoteProcedureException exception = proc.getException();<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> builder.setException(<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> RemoteProcedureException.toProto(exception.getSource(), exception.getCause()));<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> }<a name="line.198"></a> |
| <span class="sourceLineNo">199</span><a name="line.199"></a> |
| <span class="sourceLineNo">200</span> final byte[] result = proc.getResult();<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> if (result != null) {<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> builder.setResult(UnsafeByteOperations.unsafeWrap(result));<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> }<a name="line.203"></a> |
| <span class="sourceLineNo">204</span><a name="line.204"></a> |
| <span class="sourceLineNo">205</span> ProcedureStateSerializer serializer = new StateSerializer(builder);<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> proc.serializeStateData(serializer);<a name="line.206"></a> |
| <span class="sourceLineNo">207</span><a name="line.207"></a> |
| <span class="sourceLineNo">208</span> if (proc.getNonceKey() != null) {<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> builder.setNonceGroup(proc.getNonceKey().getNonceGroup());<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> builder.setNonce(proc.getNonceKey().getNonce());<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> if (proc.hasLock()) {<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> builder.setLocked(true);<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> }<a name="line.215"></a> |
| <span class="sourceLineNo">216</span><a name="line.216"></a> |
| <span class="sourceLineNo">217</span> if (proc.isBypass()) {<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> builder.setBypass(true);<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> }<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> return builder.build();<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> /**<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> * Helper to convert the protobuf procedure.<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> * <p/><a name="line.225"></a> |
| <span class="sourceLineNo">226</span> * Used by ProcedureStore implementations.<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> * <p/><a name="line.227"></a> |
| <span class="sourceLineNo">228</span> * TODO: OPTIMIZATION: some of the field never change during the execution (e.g. className,<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> * procId, parentId, ...). We can split in 'data' and 'state', and the store may take advantage of<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> * it by storing the data only on insert().<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> */<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> public static Procedure<?> convertToProcedure(ProcedureProtos.Procedure proto)<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> throws IOException {<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> // Procedure from class name<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> Procedure<?> proc = newProcedure(proto.getClassName());<a name="line.235"></a> |
| <span class="sourceLineNo">236</span><a name="line.236"></a> |
| <span class="sourceLineNo">237</span> // set fields<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> proc.setProcId(proto.getProcId());<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> proc.setState(proto.getState());<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> proc.setSubmittedTime(proto.getSubmittedTime());<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> proc.setLastUpdate(proto.getLastUpdate());<a name="line.241"></a> |
| <span class="sourceLineNo">242</span><a name="line.242"></a> |
| <span class="sourceLineNo">243</span> if (proto.hasParentId()) {<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> proc.setParentProcId(proto.getParentId());<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> }<a name="line.245"></a> |
| <span class="sourceLineNo">246</span><a name="line.246"></a> |
| <span class="sourceLineNo">247</span> if (proto.hasOwner()) {<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> proc.setOwner(proto.getOwner());<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> }<a name="line.249"></a> |
| <span class="sourceLineNo">250</span><a name="line.250"></a> |
| <span class="sourceLineNo">251</span> if (proto.hasTimeout()) {<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> proc.setTimeout(proto.getTimeout());<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> }<a name="line.253"></a> |
| <span class="sourceLineNo">254</span><a name="line.254"></a> |
| <span class="sourceLineNo">255</span> if (proto.getStackIdCount() > 0) {<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> proc.setStackIndexes(proto.getStackIdList());<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> }<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> if (proto.getExecuted()) {<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> proc.setExecuted();<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> if (proto.hasException()) {<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> assert proc.getState() == ProcedureProtos.ProcedureState.FAILED<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> || proc.getState() == ProcedureProtos.ProcedureState.ROLLEDBACK<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> : "The procedure must be failed (waiting to rollback) or rolledback";<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> proc.setFailure(RemoteProcedureException.fromProto(proto.getException()));<a name="line.266"></a> |
| <span class="sourceLineNo">267</span> }<a name="line.267"></a> |
| <span class="sourceLineNo">268</span><a name="line.268"></a> |
| <span class="sourceLineNo">269</span> if (proto.hasResult()) {<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> proc.setResult(proto.getResult().toByteArray());<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> if (proto.getNonce() != HConstants.NO_NONCE) {<a name="line.273"></a> |
| <span class="sourceLineNo">274</span> proc.setNonceKey(new NonceKey(proto.getNonceGroup(), proto.getNonce()));<a name="line.274"></a> |
| <span class="sourceLineNo">275</span> }<a name="line.275"></a> |
| <span class="sourceLineNo">276</span><a name="line.276"></a> |
| <span class="sourceLineNo">277</span> if (proto.getLocked()) {<a name="line.277"></a> |
| <span class="sourceLineNo">278</span> proc.lockedWhenLoading();<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> if (proto.getBypass()) {<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> proc.bypass(null);<a name="line.282"></a> |
| <span class="sourceLineNo">283</span> }<a name="line.283"></a> |
| <span class="sourceLineNo">284</span><a name="line.284"></a> |
| <span class="sourceLineNo">285</span> ProcedureStateSerializer serializer = null;<a name="line.285"></a> |
| <span class="sourceLineNo">286</span><a name="line.286"></a> |
| <span class="sourceLineNo">287</span> if (proto.getStateMessageCount() > 0) {<a name="line.287"></a> |
| <span class="sourceLineNo">288</span> serializer = new StateSerializer(proto.toBuilder());<a name="line.288"></a> |
| <span class="sourceLineNo">289</span> } else if (proto.hasStateData()) {<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> InputStream inputStream = proto.getStateData().newInput();<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> serializer = new CompatStateSerializer(inputStream);<a name="line.291"></a> |
| <span class="sourceLineNo">292</span> }<a name="line.292"></a> |
| <span class="sourceLineNo">293</span><a name="line.293"></a> |
| <span class="sourceLineNo">294</span> if (serializer != null) {<a name="line.294"></a> |
| <span class="sourceLineNo">295</span> proc.deserializeStateData(serializer);<a name="line.295"></a> |
| <span class="sourceLineNo">296</span> }<a name="line.296"></a> |
| <span class="sourceLineNo">297</span><a name="line.297"></a> |
| <span class="sourceLineNo">298</span> return proc;<a name="line.298"></a> |
| <span class="sourceLineNo">299</span> }<a name="line.299"></a> |
| <span class="sourceLineNo">300</span><a name="line.300"></a> |
| <span class="sourceLineNo">301</span> // ==========================================================================<a name="line.301"></a> |
| <span class="sourceLineNo">302</span> // convert from LockedResource object<a name="line.302"></a> |
| <span class="sourceLineNo">303</span> // ==========================================================================<a name="line.303"></a> |
| <span class="sourceLineNo">304</span><a name="line.304"></a> |
| <span class="sourceLineNo">305</span> public static LockServiceProtos.LockedResourceType<a name="line.305"></a> |
| <span class="sourceLineNo">306</span> convertToProtoResourceType(LockedResourceType resourceType) {<a name="line.306"></a> |
| <span class="sourceLineNo">307</span> return LockServiceProtos.LockedResourceType.valueOf(resourceType.name());<a name="line.307"></a> |
| <span class="sourceLineNo">308</span> }<a name="line.308"></a> |
| <span class="sourceLineNo">309</span><a name="line.309"></a> |
| <span class="sourceLineNo">310</span> public static LockServiceProtos.LockType convertToProtoLockType(LockType lockType) {<a name="line.310"></a> |
| <span class="sourceLineNo">311</span> return LockServiceProtos.LockType.valueOf(lockType.name());<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> public static LockServiceProtos.LockedResource<a name="line.314"></a> |
| <span class="sourceLineNo">315</span> convertToProtoLockedResource(LockedResource lockedResource) throws IOException {<a name="line.315"></a> |
| <span class="sourceLineNo">316</span> LockServiceProtos.LockedResource.Builder builder =<a name="line.316"></a> |
| <span class="sourceLineNo">317</span> LockServiceProtos.LockedResource.newBuilder();<a name="line.317"></a> |
| <span class="sourceLineNo">318</span><a name="line.318"></a> |
| <span class="sourceLineNo">319</span> builder.setResourceType(convertToProtoResourceType(lockedResource.getResourceType()))<a name="line.319"></a> |
| <span class="sourceLineNo">320</span> .setResourceName(lockedResource.getResourceName())<a name="line.320"></a> |
| <span class="sourceLineNo">321</span> .setLockType(convertToProtoLockType(lockedResource.getLockType()));<a name="line.321"></a> |
| <span class="sourceLineNo">322</span><a name="line.322"></a> |
| <span class="sourceLineNo">323</span> Procedure<?> exclusiveLockOwnerProcedure = lockedResource.getExclusiveLockOwnerProcedure();<a name="line.323"></a> |
| <span class="sourceLineNo">324</span><a name="line.324"></a> |
| <span class="sourceLineNo">325</span> if (exclusiveLockOwnerProcedure != null) {<a name="line.325"></a> |
| <span class="sourceLineNo">326</span> ProcedureProtos.Procedure exclusiveLockOwnerProcedureProto =<a name="line.326"></a> |
| <span class="sourceLineNo">327</span> convertToProtoProcedure(exclusiveLockOwnerProcedure);<a name="line.327"></a> |
| <span class="sourceLineNo">328</span> builder.setExclusiveLockOwnerProcedure(exclusiveLockOwnerProcedureProto);<a name="line.328"></a> |
| <span class="sourceLineNo">329</span> }<a name="line.329"></a> |
| <span class="sourceLineNo">330</span><a name="line.330"></a> |
| <span class="sourceLineNo">331</span> builder.setSharedLockCount(lockedResource.getSharedLockCount());<a name="line.331"></a> |
| <span class="sourceLineNo">332</span><a name="line.332"></a> |
| <span class="sourceLineNo">333</span> for (Procedure<?> waitingProcedure : lockedResource.getWaitingProcedures()) {<a name="line.333"></a> |
| <span class="sourceLineNo">334</span> ProcedureProtos.Procedure waitingProcedureProto = convertToProtoProcedure(waitingProcedure);<a name="line.334"></a> |
| <span class="sourceLineNo">335</span> builder.addWaitingProcedures(waitingProcedureProto);<a name="line.335"></a> |
| <span class="sourceLineNo">336</span> }<a name="line.336"></a> |
| <span class="sourceLineNo">337</span><a name="line.337"></a> |
| <span class="sourceLineNo">338</span> return builder.build();<a name="line.338"></a> |
| <span class="sourceLineNo">339</span> }<a name="line.339"></a> |
| <span class="sourceLineNo">340</span><a name="line.340"></a> |
| <span class="sourceLineNo">341</span> public static final String PROCEDURE_RETRY_SLEEP_INTERVAL_MS =<a name="line.341"></a> |
| <span class="sourceLineNo">342</span> "hbase.procedure.retry.sleep.interval.ms";<a name="line.342"></a> |
| <span class="sourceLineNo">343</span><a name="line.343"></a> |
| <span class="sourceLineNo">344</span> // default to 1 second<a name="line.344"></a> |
| <span class="sourceLineNo">345</span> public static final long DEFAULT_PROCEDURE_RETRY_SLEEP_INTERVAL_MS = 1000;<a name="line.345"></a> |
| <span class="sourceLineNo">346</span><a name="line.346"></a> |
| <span class="sourceLineNo">347</span> public static final String PROCEDURE_RETRY_MAX_SLEEP_TIME_MS =<a name="line.347"></a> |
| <span class="sourceLineNo">348</span> "hbase.procedure.retry.max.sleep.time.ms";<a name="line.348"></a> |
| <span class="sourceLineNo">349</span><a name="line.349"></a> |
| <span class="sourceLineNo">350</span> // default to 10 minutes<a name="line.350"></a> |
| <span class="sourceLineNo">351</span> public static final long DEFAULT_PROCEDURE_RETRY_MAX_SLEEP_TIME_MS =<a name="line.351"></a> |
| <span class="sourceLineNo">352</span> TimeUnit.MINUTES.toMillis(10);<a name="line.352"></a> |
| <span class="sourceLineNo">353</span><a name="line.353"></a> |
| <span class="sourceLineNo">354</span> /**<a name="line.354"></a> |
| <span class="sourceLineNo">355</span> * Get a retry counter for getting the backoff time. We will use the<a name="line.355"></a> |
| <span class="sourceLineNo">356</span> * {@link ExponentialBackoffPolicyWithLimit} policy, and the base unit is 1 second, max sleep time<a name="line.356"></a> |
| <span class="sourceLineNo">357</span> * is 10 minutes by default.<a name="line.357"></a> |
| <span class="sourceLineNo">358</span> * <p/><a name="line.358"></a> |
| <span class="sourceLineNo">359</span> * For UTs, you can set the {@link #PROCEDURE_RETRY_SLEEP_INTERVAL_MS} and<a name="line.359"></a> |
| <span class="sourceLineNo">360</span> * {@link #PROCEDURE_RETRY_MAX_SLEEP_TIME_MS} to make more frequent retry so your UT will not<a name="line.360"></a> |
| <span class="sourceLineNo">361</span> * timeout.<a name="line.361"></a> |
| <span class="sourceLineNo">362</span> */<a name="line.362"></a> |
| <span class="sourceLineNo">363</span> public static RetryCounter createRetryCounter(Configuration conf) {<a name="line.363"></a> |
| <span class="sourceLineNo">364</span> long sleepIntervalMs =<a name="line.364"></a> |
| <span class="sourceLineNo">365</span> conf.getLong(PROCEDURE_RETRY_SLEEP_INTERVAL_MS, DEFAULT_PROCEDURE_RETRY_SLEEP_INTERVAL_MS);<a name="line.365"></a> |
| <span class="sourceLineNo">366</span> long maxSleepTimeMs =<a name="line.366"></a> |
| <span class="sourceLineNo">367</span> conf.getLong(PROCEDURE_RETRY_MAX_SLEEP_TIME_MS, DEFAULT_PROCEDURE_RETRY_MAX_SLEEP_TIME_MS);<a name="line.367"></a> |
| <span class="sourceLineNo">368</span> RetryConfig retryConfig = new RetryConfig().setSleepInterval(sleepIntervalMs)<a name="line.368"></a> |
| <span class="sourceLineNo">369</span> .setMaxSleepTime(maxSleepTimeMs).setBackoffPolicy(new ExponentialBackoffPolicyWithLimit());<a name="line.369"></a> |
| <span class="sourceLineNo">370</span> return new RetryCounter(retryConfig);<a name="line.370"></a> |
| <span class="sourceLineNo">371</span> }<a name="line.371"></a> |
| <span class="sourceLineNo">372</span><a name="line.372"></a> |
| <span class="sourceLineNo">373</span> public static boolean isFinished(ProcedureProtos.Procedure proc) {<a name="line.373"></a> |
| <span class="sourceLineNo">374</span> if (!proc.hasParentId()) {<a name="line.374"></a> |
| <span class="sourceLineNo">375</span> switch (proc.getState()) {<a name="line.375"></a> |
| <span class="sourceLineNo">376</span> case ROLLEDBACK:<a name="line.376"></a> |
| <span class="sourceLineNo">377</span> case SUCCESS:<a name="line.377"></a> |
| <span class="sourceLineNo">378</span> return true;<a name="line.378"></a> |
| <span class="sourceLineNo">379</span> default:<a name="line.379"></a> |
| <span class="sourceLineNo">380</span> break;<a name="line.380"></a> |
| <span class="sourceLineNo">381</span> }<a name="line.381"></a> |
| <span class="sourceLineNo">382</span> }<a name="line.382"></a> |
| <span class="sourceLineNo">383</span> return false;<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> |
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| </pre> |
| </div> |
| </body> |
| </html> |
