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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.master;<a name="line.18"></a> |
| <span class="sourceLineNo">019</span><a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import java.util.Date;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import org.apache.hadoop.hbase.ServerName;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import org.apache.yetus.audience.InterfaceStability;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span><a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ClusterStatusProtos;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span><a name="line.29"></a> |
| <span class="sourceLineNo">030</span>/**<a name="line.30"></a> |
| <span class="sourceLineNo">031</span> * State of a Region while undergoing transitions.<a name="line.31"></a> |
| <span class="sourceLineNo">032</span> * This class is immutable.<a name="line.32"></a> |
| <span class="sourceLineNo">033</span> */<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>@InterfaceAudience.Private<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>public class RegionState {<a name="line.35"></a> |
| <span class="sourceLineNo">036</span><a name="line.36"></a> |
| <span class="sourceLineNo">037</span> @InterfaceAudience.Private<a name="line.37"></a> |
| <span class="sourceLineNo">038</span> @InterfaceStability.Evolving<a name="line.38"></a> |
| <span class="sourceLineNo">039</span> public enum State {<a name="line.39"></a> |
| <span class="sourceLineNo">040</span> OFFLINE, // region is in an offline state<a name="line.40"></a> |
| <span class="sourceLineNo">041</span> OPENING, // server has begun to open but not yet done<a name="line.41"></a> |
| <span class="sourceLineNo">042</span> OPEN, // server opened region and updated meta<a name="line.42"></a> |
| <span class="sourceLineNo">043</span> CLOSING, // server has begun to close but not yet done<a name="line.43"></a> |
| <span class="sourceLineNo">044</span> CLOSED, // server closed region and updated meta<a name="line.44"></a> |
| <span class="sourceLineNo">045</span> SPLITTING, // server started split of a region<a name="line.45"></a> |
| <span class="sourceLineNo">046</span> SPLIT, // server completed split of a region<a name="line.46"></a> |
| <span class="sourceLineNo">047</span> FAILED_OPEN, // failed to open, and won't retry any more<a name="line.47"></a> |
| <span class="sourceLineNo">048</span> FAILED_CLOSE, // failed to close, and won't retry any more<a name="line.48"></a> |
| <span class="sourceLineNo">049</span> MERGING, // server started merge a region<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> MERGED, // server completed merge a region<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> SPLITTING_NEW, // new region to be created when RS splits a parent<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> // region but hasn't be created yet, or master doesn't<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> // know it's already created<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> MERGING_NEW, // new region to be created when RS merges two<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> // daughter regions but hasn't be created yet, or<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> // master doesn't know it's already created<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> ABNORMALLY_CLOSED; // the region is CLOSED because of a RS crashes. Usually it is the same<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> // with CLOSED, but for some operations such as merge/split, we can not<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> // apply it to a region in this state, as it may lead to data loss as we<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> // may have some data in recovered edits.<a name="line.60"></a> |
| <span class="sourceLineNo">061</span><a name="line.61"></a> |
| <span class="sourceLineNo">062</span> public boolean matches(State... expected) {<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> for (State state : expected) {<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> if (this == state) {<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> return true;<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> }<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> }<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> return false;<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> }<a name="line.69"></a> |
| <span class="sourceLineNo">070</span><a name="line.70"></a> |
| <span class="sourceLineNo">071</span> /**<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> * Convert to protobuf ClusterStatusProtos.RegionState.State<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> */<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> public ClusterStatusProtos.RegionState.State convert() {<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> ClusterStatusProtos.RegionState.State rs;<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> switch (this) {<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> case OFFLINE:<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> rs = ClusterStatusProtos.RegionState.State.OFFLINE;<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> break;<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> case OPENING:<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> rs = ClusterStatusProtos.RegionState.State.OPENING;<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> break;<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> case OPEN:<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> rs = ClusterStatusProtos.RegionState.State.OPEN;<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> break;<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> case CLOSING:<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> rs = ClusterStatusProtos.RegionState.State.CLOSING;<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> break;<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> case CLOSED:<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> rs = ClusterStatusProtos.RegionState.State.CLOSED;<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> break;<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> case SPLITTING:<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> rs = ClusterStatusProtos.RegionState.State.SPLITTING;<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> break;<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> case SPLIT:<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> rs = ClusterStatusProtos.RegionState.State.SPLIT;<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> break;<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> case FAILED_OPEN:<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> rs = ClusterStatusProtos.RegionState.State.FAILED_OPEN;<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> break;<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> case FAILED_CLOSE:<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> rs = ClusterStatusProtos.RegionState.State.FAILED_CLOSE;<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> break;<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> case MERGING:<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> rs = ClusterStatusProtos.RegionState.State.MERGING;<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> break;<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> case MERGED:<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> rs = ClusterStatusProtos.RegionState.State.MERGED;<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> break;<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> case SPLITTING_NEW:<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> rs = ClusterStatusProtos.RegionState.State.SPLITTING_NEW;<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> break;<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> case MERGING_NEW:<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> rs = ClusterStatusProtos.RegionState.State.MERGING_NEW;<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> break;<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> case ABNORMALLY_CLOSED:<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> rs = ClusterStatusProtos.RegionState.State.ABNORMALLY_CLOSED;<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> break;<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> default:<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> throw new IllegalStateException("");<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> }<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> return rs;<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> /**<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> * Convert a protobuf HBaseProtos.RegionState.State to a RegionState.State<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> *<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> * @return the RegionState.State<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> */<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> public static State convert(ClusterStatusProtos.RegionState.State protoState) {<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> State state;<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> switch (protoState) {<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> case OFFLINE:<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> state = OFFLINE;<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> break;<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> case PENDING_OPEN:<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> case OPENING:<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> state = OPENING;<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> break;<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> case OPEN:<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> state = OPEN;<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> break;<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> case PENDING_CLOSE:<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> case CLOSING:<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> state = CLOSING;<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> break;<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> case CLOSED:<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> state = CLOSED;<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> break;<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> case SPLITTING:<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> state = SPLITTING;<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> break;<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> case SPLIT:<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> state = SPLIT;<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> break;<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> case FAILED_OPEN:<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> state = FAILED_OPEN;<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> break;<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> case FAILED_CLOSE:<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> state = FAILED_CLOSE;<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> break;<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> case MERGING:<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> state = MERGING;<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> break;<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> case MERGED:<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> state = MERGED;<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> break;<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> case SPLITTING_NEW:<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> state = SPLITTING_NEW;<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> break;<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> case MERGING_NEW:<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> state = MERGING_NEW;<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> break;<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> case ABNORMALLY_CLOSED:<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> state = ABNORMALLY_CLOSED;<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> break;<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> default:<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> throw new IllegalStateException("Unhandled state " + protoState);<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> }<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> return state;<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> }<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> }<a name="line.182"></a> |
| <span class="sourceLineNo">183</span><a name="line.183"></a> |
| <span class="sourceLineNo">184</span> private final long stamp;<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> private final RegionInfo hri;<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> private final ServerName serverName;<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> private final State state;<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> // The duration of region in transition<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> private long ritDuration;<a name="line.189"></a> |
| <span class="sourceLineNo">190</span><a name="line.190"></a> |
| <span class="sourceLineNo">191</span> @VisibleForTesting<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> public static RegionState createForTesting(RegionInfo region, State state) {<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> return new RegionState(region, state, System.currentTimeMillis(), null);<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> }<a name="line.194"></a> |
| <span class="sourceLineNo">195</span><a name="line.195"></a> |
| <span class="sourceLineNo">196</span> public RegionState(RegionInfo region, State state, ServerName serverName) {<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> this(region, state, System.currentTimeMillis(), serverName);<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> public RegionState(RegionInfo region,<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> State state, long stamp, ServerName serverName) {<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> this(region, state, stamp, serverName, 0);<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> public RegionState(RegionInfo region, State state, long stamp, ServerName serverName,<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> long ritDuration) {<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> this.hri = region;<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> this.state = state;<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> this.stamp = stamp;<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> this.serverName = serverName;<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> this.ritDuration = ritDuration;<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> }<a name="line.212"></a> |
| <span class="sourceLineNo">213</span><a name="line.213"></a> |
| <span class="sourceLineNo">214</span> public State getState() {<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> return state;<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> public long getStamp() {<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> return stamp;<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> }<a name="line.220"></a> |
| <span class="sourceLineNo">221</span><a name="line.221"></a> |
| <span class="sourceLineNo">222</span> public RegionInfo getRegion() {<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> return hri;<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> }<a name="line.224"></a> |
| <span class="sourceLineNo">225</span><a name="line.225"></a> |
| <span class="sourceLineNo">226</span> public ServerName getServerName() {<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> return serverName;<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> }<a name="line.228"></a> |
| <span class="sourceLineNo">229</span><a name="line.229"></a> |
| <span class="sourceLineNo">230</span> public long getRitDuration() {<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> return ritDuration;<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> }<a name="line.232"></a> |
| <span class="sourceLineNo">233</span><a name="line.233"></a> |
| <span class="sourceLineNo">234</span> /**<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> * Update the duration of region in transition<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> * @param previousStamp previous RegionState's timestamp<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> */<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> @InterfaceAudience.Private<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> void updateRitDuration(long previousStamp) {<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> this.ritDuration += (this.stamp - previousStamp);<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> public boolean isClosing() {<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> return state == State.CLOSING;<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> public boolean isClosed() {<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> return state == State.CLOSED;<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> public boolean isClosedOrAbnormallyClosed() {<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> return isClosed() || this.state == State.ABNORMALLY_CLOSED;<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> public boolean isOpening() {<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> return state == State.OPENING;<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> }<a name="line.257"></a> |
| <span class="sourceLineNo">258</span><a name="line.258"></a> |
| <span class="sourceLineNo">259</span> public boolean isOpened() {<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> return state == State.OPEN;<a name="line.260"></a> |
| <span class="sourceLineNo">261</span> }<a name="line.261"></a> |
| <span class="sourceLineNo">262</span><a name="line.262"></a> |
| <span class="sourceLineNo">263</span> public boolean isOffline() {<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> return state == State.OFFLINE;<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> public boolean isSplitting() {<a name="line.267"></a> |
| <span class="sourceLineNo">268</span> return state == State.SPLITTING;<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> }<a name="line.269"></a> |
| <span class="sourceLineNo">270</span><a name="line.270"></a> |
| <span class="sourceLineNo">271</span> public boolean isSplit() {<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> return state == State.SPLIT;<a name="line.272"></a> |
| <span class="sourceLineNo">273</span> }<a name="line.273"></a> |
| <span class="sourceLineNo">274</span><a name="line.274"></a> |
| <span class="sourceLineNo">275</span> public boolean isSplittingNew() {<a name="line.275"></a> |
| <span class="sourceLineNo">276</span> return state == State.SPLITTING_NEW;<a name="line.276"></a> |
| <span class="sourceLineNo">277</span> }<a name="line.277"></a> |
| <span class="sourceLineNo">278</span><a name="line.278"></a> |
| <span class="sourceLineNo">279</span> public boolean isFailedOpen() {<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> return state == State.FAILED_OPEN;<a name="line.280"></a> |
| <span class="sourceLineNo">281</span> }<a name="line.281"></a> |
| <span class="sourceLineNo">282</span><a name="line.282"></a> |
| <span class="sourceLineNo">283</span> public boolean isFailedClose() {<a name="line.283"></a> |
| <span class="sourceLineNo">284</span> return state == State.FAILED_CLOSE;<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> public boolean isMerging() {<a name="line.287"></a> |
| <span class="sourceLineNo">288</span> return state == State.MERGING;<a name="line.288"></a> |
| <span class="sourceLineNo">289</span> }<a name="line.289"></a> |
| <span class="sourceLineNo">290</span><a name="line.290"></a> |
| <span class="sourceLineNo">291</span> public boolean isMerged() {<a name="line.291"></a> |
| <span class="sourceLineNo">292</span> return state == State.MERGED;<a name="line.292"></a> |
| <span class="sourceLineNo">293</span> }<a name="line.293"></a> |
| <span class="sourceLineNo">294</span><a name="line.294"></a> |
| <span class="sourceLineNo">295</span> public boolean isMergingNew() {<a name="line.295"></a> |
| <span class="sourceLineNo">296</span> return state == State.MERGING_NEW;<a name="line.296"></a> |
| <span class="sourceLineNo">297</span> }<a name="line.297"></a> |
| <span class="sourceLineNo">298</span><a name="line.298"></a> |
| <span class="sourceLineNo">299</span> public boolean isOnServer(final ServerName sn) {<a name="line.299"></a> |
| <span class="sourceLineNo">300</span> return serverName != null && serverName.equals(sn);<a name="line.300"></a> |
| <span class="sourceLineNo">301</span> }<a name="line.301"></a> |
| <span class="sourceLineNo">302</span><a name="line.302"></a> |
| <span class="sourceLineNo">303</span> public boolean isMergingOnServer(final ServerName sn) {<a name="line.303"></a> |
| <span class="sourceLineNo">304</span> return isOnServer(sn) && isMerging();<a name="line.304"></a> |
| <span class="sourceLineNo">305</span> }<a name="line.305"></a> |
| <span class="sourceLineNo">306</span><a name="line.306"></a> |
| <span class="sourceLineNo">307</span> public boolean isMergingNewOnServer(final ServerName sn) {<a name="line.307"></a> |
| <span class="sourceLineNo">308</span> return isOnServer(sn) && isMergingNew();<a name="line.308"></a> |
| <span class="sourceLineNo">309</span> }<a name="line.309"></a> |
| <span class="sourceLineNo">310</span><a name="line.310"></a> |
| <span class="sourceLineNo">311</span> public boolean isMergingNewOrOpenedOnServer(final ServerName sn) {<a name="line.311"></a> |
| <span class="sourceLineNo">312</span> return isOnServer(sn) && (isMergingNew() || isOpened());<a name="line.312"></a> |
| <span class="sourceLineNo">313</span> }<a name="line.313"></a> |
| <span class="sourceLineNo">314</span><a name="line.314"></a> |
| <span class="sourceLineNo">315</span> public boolean isMergingNewOrOfflineOnServer(final ServerName sn) {<a name="line.315"></a> |
| <span class="sourceLineNo">316</span> return isOnServer(sn) && (isMergingNew() || isOffline());<a name="line.316"></a> |
| <span class="sourceLineNo">317</span> }<a name="line.317"></a> |
| <span class="sourceLineNo">318</span><a name="line.318"></a> |
| <span class="sourceLineNo">319</span> public boolean isSplittingOnServer(final ServerName sn) {<a name="line.319"></a> |
| <span class="sourceLineNo">320</span> return isOnServer(sn) && isSplitting();<a name="line.320"></a> |
| <span class="sourceLineNo">321</span> }<a name="line.321"></a> |
| <span class="sourceLineNo">322</span><a name="line.322"></a> |
| <span class="sourceLineNo">323</span> public boolean isSplittingNewOnServer(final ServerName sn) {<a name="line.323"></a> |
| <span class="sourceLineNo">324</span> return isOnServer(sn) && isSplittingNew();<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> public boolean isSplittingOrOpenedOnServer(final ServerName sn) {<a name="line.327"></a> |
| <span class="sourceLineNo">328</span> return isOnServer(sn) && (isSplitting() || isOpened());<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> public boolean isSplittingOrSplitOnServer(final ServerName sn) {<a name="line.331"></a> |
| <span class="sourceLineNo">332</span> return isOnServer(sn) && (isSplitting() || isSplit());<a name="line.332"></a> |
| <span class="sourceLineNo">333</span> }<a name="line.333"></a> |
| <span class="sourceLineNo">334</span><a name="line.334"></a> |
| <span class="sourceLineNo">335</span> public boolean isClosingOrClosedOnServer(final ServerName sn) {<a name="line.335"></a> |
| <span class="sourceLineNo">336</span> return isOnServer(sn) && (isClosing() || isClosed());<a name="line.336"></a> |
| <span class="sourceLineNo">337</span> }<a name="line.337"></a> |
| <span class="sourceLineNo">338</span><a name="line.338"></a> |
| <span class="sourceLineNo">339</span> public boolean isOpeningOrFailedOpenOnServer(final ServerName sn) {<a name="line.339"></a> |
| <span class="sourceLineNo">340</span> return isOnServer(sn) && (isOpening() || isFailedOpen());<a name="line.340"></a> |
| <span class="sourceLineNo">341</span> }<a name="line.341"></a> |
| <span class="sourceLineNo">342</span><a name="line.342"></a> |
| <span class="sourceLineNo">343</span> public boolean isOpeningOrOpenedOnServer(final ServerName sn) {<a name="line.343"></a> |
| <span class="sourceLineNo">344</span> return isOnServer(sn) && (isOpening() || isOpened());<a name="line.344"></a> |
| <span class="sourceLineNo">345</span> }<a name="line.345"></a> |
| <span class="sourceLineNo">346</span><a name="line.346"></a> |
| <span class="sourceLineNo">347</span> public boolean isOpenedOnServer(final ServerName sn) {<a name="line.347"></a> |
| <span class="sourceLineNo">348</span> return isOnServer(sn) && isOpened();<a name="line.348"></a> |
| <span class="sourceLineNo">349</span> }<a name="line.349"></a> |
| <span class="sourceLineNo">350</span><a name="line.350"></a> |
| <span class="sourceLineNo">351</span> /**<a name="line.351"></a> |
| <span class="sourceLineNo">352</span> * Check if a region state can transition to offline<a name="line.352"></a> |
| <span class="sourceLineNo">353</span> */<a name="line.353"></a> |
| <span class="sourceLineNo">354</span> public boolean isReadyToOffline() {<a name="line.354"></a> |
| <span class="sourceLineNo">355</span> return isMerged() || isSplit() || isOffline()<a name="line.355"></a> |
| <span class="sourceLineNo">356</span> || isSplittingNew() || isMergingNew();<a name="line.356"></a> |
| <span class="sourceLineNo">357</span> }<a name="line.357"></a> |
| <span class="sourceLineNo">358</span><a name="line.358"></a> |
| <span class="sourceLineNo">359</span> /**<a name="line.359"></a> |
| <span class="sourceLineNo">360</span> * Check if a region state can transition to online<a name="line.360"></a> |
| <span class="sourceLineNo">361</span> */<a name="line.361"></a> |
| <span class="sourceLineNo">362</span> public boolean isReadyToOnline() {<a name="line.362"></a> |
| <span class="sourceLineNo">363</span> return isOpened() || isSplittingNew() || isMergingNew();<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> * Check if a region state is one of offline states that<a name="line.367"></a> |
| <span class="sourceLineNo">368</span> * can't transition to pending_close/closing (unassign/offline)<a name="line.368"></a> |
| <span class="sourceLineNo">369</span> */<a name="line.369"></a> |
| <span class="sourceLineNo">370</span> public boolean isUnassignable() {<a name="line.370"></a> |
| <span class="sourceLineNo">371</span> return isUnassignable(state);<a name="line.371"></a> |
| <span class="sourceLineNo">372</span> }<a name="line.372"></a> |
| <span class="sourceLineNo">373</span><a name="line.373"></a> |
| <span class="sourceLineNo">374</span> /**<a name="line.374"></a> |
| <span class="sourceLineNo">375</span> * Check if a region state is one of offline states that<a name="line.375"></a> |
| <span class="sourceLineNo">376</span> * can't transition to pending_close/closing (unassign/offline)<a name="line.376"></a> |
| <span class="sourceLineNo">377</span> */<a name="line.377"></a> |
| <span class="sourceLineNo">378</span> public static boolean isUnassignable(State state) {<a name="line.378"></a> |
| <span class="sourceLineNo">379</span> return state == State.MERGED || state == State.SPLIT || state == State.OFFLINE<a name="line.379"></a> |
| <span class="sourceLineNo">380</span> || state == State.SPLITTING_NEW || state == State.MERGING_NEW;<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> @Override<a name="line.383"></a> |
| <span class="sourceLineNo">384</span> public String toString() {<a name="line.384"></a> |
| <span class="sourceLineNo">385</span> return "{" + hri.getShortNameToLog()<a name="line.385"></a> |
| <span class="sourceLineNo">386</span> + " state=" + state<a name="line.386"></a> |
| <span class="sourceLineNo">387</span> + ", ts=" + stamp<a name="line.387"></a> |
| <span class="sourceLineNo">388</span> + ", server=" + serverName + "}";<a name="line.388"></a> |
| <span class="sourceLineNo">389</span> }<a name="line.389"></a> |
| <span class="sourceLineNo">390</span><a name="line.390"></a> |
| <span class="sourceLineNo">391</span> /**<a name="line.391"></a> |
| <span class="sourceLineNo">392</span> * A slower (but more easy-to-read) stringification<a name="line.392"></a> |
| <span class="sourceLineNo">393</span> */<a name="line.393"></a> |
| <span class="sourceLineNo">394</span> public String toDescriptiveString() {<a name="line.394"></a> |
| <span class="sourceLineNo">395</span> long relTime = System.currentTimeMillis() - stamp;<a name="line.395"></a> |
| <span class="sourceLineNo">396</span> return hri.getRegionNameAsString()<a name="line.396"></a> |
| <span class="sourceLineNo">397</span> + " state=" + state<a name="line.397"></a> |
| <span class="sourceLineNo">398</span> + ", ts=" + new Date(stamp) + " (" + (relTime/1000) + "s ago)"<a name="line.398"></a> |
| <span class="sourceLineNo">399</span> + ", server=" + serverName;<a name="line.399"></a> |
| <span class="sourceLineNo">400</span> }<a name="line.400"></a> |
| <span class="sourceLineNo">401</span><a name="line.401"></a> |
| <span class="sourceLineNo">402</span> /**<a name="line.402"></a> |
| <span class="sourceLineNo">403</span> * Convert a RegionState to an HBaseProtos.RegionState<a name="line.403"></a> |
| <span class="sourceLineNo">404</span> *<a name="line.404"></a> |
| <span class="sourceLineNo">405</span> * @return the converted HBaseProtos.RegionState<a name="line.405"></a> |
| <span class="sourceLineNo">406</span> */<a name="line.406"></a> |
| <span class="sourceLineNo">407</span> public ClusterStatusProtos.RegionState convert() {<a name="line.407"></a> |
| <span class="sourceLineNo">408</span> ClusterStatusProtos.RegionState.Builder regionState = ClusterStatusProtos.RegionState.newBuilder();<a name="line.408"></a> |
| <span class="sourceLineNo">409</span> regionState.setRegionInfo(ProtobufUtil.toRegionInfo(hri));<a name="line.409"></a> |
| <span class="sourceLineNo">410</span> regionState.setState(state.convert());<a name="line.410"></a> |
| <span class="sourceLineNo">411</span> regionState.setStamp(getStamp());<a name="line.411"></a> |
| <span class="sourceLineNo">412</span> return regionState.build();<a name="line.412"></a> |
| <span class="sourceLineNo">413</span> }<a name="line.413"></a> |
| <span class="sourceLineNo">414</span><a name="line.414"></a> |
| <span class="sourceLineNo">415</span> /**<a name="line.415"></a> |
| <span class="sourceLineNo">416</span> * Convert a protobuf HBaseProtos.RegionState to a RegionState<a name="line.416"></a> |
| <span class="sourceLineNo">417</span> *<a name="line.417"></a> |
| <span class="sourceLineNo">418</span> * @return the RegionState<a name="line.418"></a> |
| <span class="sourceLineNo">419</span> */<a name="line.419"></a> |
| <span class="sourceLineNo">420</span> public static RegionState convert(ClusterStatusProtos.RegionState proto) {<a name="line.420"></a> |
| <span class="sourceLineNo">421</span> return new RegionState(ProtobufUtil.toRegionInfo(proto.getRegionInfo()),<a name="line.421"></a> |
| <span class="sourceLineNo">422</span> State.convert(proto.getState()), proto.getStamp(), null);<a name="line.422"></a> |
| <span class="sourceLineNo">423</span> }<a name="line.423"></a> |
| <span class="sourceLineNo">424</span><a name="line.424"></a> |
| <span class="sourceLineNo">425</span> /**<a name="line.425"></a> |
| <span class="sourceLineNo">426</span> * Check if two states are the same, except timestamp<a name="line.426"></a> |
| <span class="sourceLineNo">427</span> */<a name="line.427"></a> |
| <span class="sourceLineNo">428</span> @Override<a name="line.428"></a> |
| <span class="sourceLineNo">429</span> public boolean equals(Object obj) {<a name="line.429"></a> |
| <span class="sourceLineNo">430</span> if (this == obj) return true;<a name="line.430"></a> |
| <span class="sourceLineNo">431</span> if (obj == null || getClass() != obj.getClass()) {<a name="line.431"></a> |
| <span class="sourceLineNo">432</span> return false;<a name="line.432"></a> |
| <span class="sourceLineNo">433</span> }<a name="line.433"></a> |
| <span class="sourceLineNo">434</span> RegionState tmp = (RegionState)obj;<a name="line.434"></a> |
| <span class="sourceLineNo">435</span><a name="line.435"></a> |
| <span class="sourceLineNo">436</span> return RegionInfo.COMPARATOR.compare(tmp.hri, hri) == 0 && tmp.state == state<a name="line.436"></a> |
| <span class="sourceLineNo">437</span> && ((serverName != null && serverName.equals(tmp.serverName))<a name="line.437"></a> |
| <span class="sourceLineNo">438</span> || (tmp.serverName == null && serverName == null));<a name="line.438"></a> |
| <span class="sourceLineNo">439</span> }<a name="line.439"></a> |
| <span class="sourceLineNo">440</span><a name="line.440"></a> |
| <span class="sourceLineNo">441</span> /**<a name="line.441"></a> |
| <span class="sourceLineNo">442</span> * Don't count timestamp in hash code calculation<a name="line.442"></a> |
| <span class="sourceLineNo">443</span> */<a name="line.443"></a> |
| <span class="sourceLineNo">444</span> @Override<a name="line.444"></a> |
| <span class="sourceLineNo">445</span> public int hashCode() {<a name="line.445"></a> |
| <span class="sourceLineNo">446</span> return (serverName != null ? serverName.hashCode() * 11 : 0)<a name="line.446"></a> |
| <span class="sourceLineNo">447</span> + hri.hashCode() + 5 * state.ordinal();<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> |
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| </div> |
| </body> |
| </html> |
