http://git-wip-us.apache.org/repos/asf/hbase-site/blob/5299e667/devapidocs/src-html/org/apache/hadoop/hbase/Version.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/Version.html b/devapidocs/src-html/org/apache/hadoop/hbase/Version.html index c7cfd62..da83514 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/Version.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/Version.html @@ -18,9 +18,9 @@ <span class="sourceLineNo">010</span> public static final String version = "3.0.0-SNAPSHOT";<a name="line.10"></a> <span class="sourceLineNo">011</span> public static final String revision = "";<a name="line.11"></a> <span class="sourceLineNo">012</span> public static final String user = "jenkins";<a name="line.12"></a> -<span class="sourceLineNo">013</span> public static final String date = "Sat Nov 24 14:43:25 UTC 2018";<a name="line.13"></a> +<span class="sourceLineNo">013</span> public static final String date = "Mon Nov 26 14:44:10 UTC 2018";<a name="line.13"></a> <span class="sourceLineNo">014</span> public static final String url = "git://jenkins-websites1.apache.org/home/jenkins/jenkins-slave/workspace/hbase_generate_website/hbase";<a name="line.14"></a> -<span class="sourceLineNo">015</span> public static final String srcChecksum = "2ddf86e8061a880c4fd8d153857342a6";<a name="line.15"></a> +<span class="sourceLineNo">015</span> public static final String srcChecksum = "4d3ee036754273b7c20a302784193204";<a name="line.15"></a> <span class="sourceLineNo">016</span>}<a name="line.16"></a>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/5299e667/devapidocs/src-html/org/apache/hadoop/hbase/ZKNamespaceManager.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/ZKNamespaceManager.html b/devapidocs/src-html/org/apache/hadoop/hbase/ZKNamespaceManager.html deleted file mode 100644 index 1d548a3..0000000 --- a/devapidocs/src-html/org/apache/hadoop/hbase/ZKNamespaceManager.html +++ /dev/null @@ -1,287 +0,0 @@ -<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd";> -<html lang="en"> -<head> -<title>Source code</title> -<link rel="stylesheet" type="text/css" href="../../../../../stylesheet.css" title="Style"> -</head> -<body> -<div class="sourceContainer"> -<pre><span class="sourceLineNo">001</span>/**<a name="line.1"></a> -<span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a> -<span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a> -<span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a> -<span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a> -<span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a> -<span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a> -<span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a> -<span class="sourceLineNo">009</span> *<a name="line.9"></a> -<span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a> -<span class="sourceLineNo">011</span> *<a name="line.11"></a> -<span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a> -<span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a> -<span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a> -<span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a> -<span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a> -<span class="sourceLineNo">017</span> */<a name="line.17"></a> -<span class="sourceLineNo">018</span><a name="line.18"></a> -<span class="sourceLineNo">019</span>package org.apache.hadoop.hbase;<a name="line.19"></a> -<span class="sourceLineNo">020</span><a name="line.20"></a> -<span class="sourceLineNo">021</span>import java.io.IOException;<a name="line.21"></a> -<span class="sourceLineNo">022</span>import java.util.List;<a name="line.22"></a> -<span class="sourceLineNo">023</span>import java.util.NavigableMap;<a name="line.23"></a> -<span class="sourceLineNo">024</span>import java.util.NavigableSet;<a name="line.24"></a> -<span class="sourceLineNo">025</span>import java.util.concurrent.ConcurrentSkipListMap;<a name="line.25"></a> -<span class="sourceLineNo">026</span><a name="line.26"></a> -<span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.27"></a> -<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.zookeeper.ZKListener;<a name="line.28"></a> -<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.zookeeper.ZKUtil;<a name="line.29"></a> -<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.zookeeper.ZKWatcher;<a name="line.30"></a> -<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.zookeeper.ZNodePaths;<a name="line.31"></a> -<span class="sourceLineNo">032</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.32"></a> -<span class="sourceLineNo">033</span>import org.apache.zookeeper.KeeperException;<a name="line.33"></a> -<span class="sourceLineNo">034</span>import org.slf4j.Logger;<a name="line.34"></a> -<span class="sourceLineNo">035</span>import org.slf4j.LoggerFactory;<a name="line.35"></a> -<span class="sourceLineNo">036</span><a name="line.36"></a> -<span class="sourceLineNo">037</span>import org.apache.hbase.thirdparty.com.google.common.collect.Sets;<a name="line.37"></a> -<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;<a name="line.38"></a> -<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos;<a name="line.39"></a> -<span class="sourceLineNo">040</span><a name="line.40"></a> -<span class="sourceLineNo">041</span>/**<a name="line.41"></a> -<span class="sourceLineNo">042</span> * Class servers two purposes:<a name="line.42"></a> -<span class="sourceLineNo">043</span> *<a name="line.43"></a> -<span class="sourceLineNo">044</span> * 1. Broadcast NamespaceDescriptor information via ZK<a name="line.44"></a> -<span class="sourceLineNo">045</span> * (Done by the Master)<a name="line.45"></a> -<span class="sourceLineNo">046</span> * 2. Consume broadcasted NamespaceDescriptor changes<a name="line.46"></a> -<span class="sourceLineNo">047</span> * (Done by the RegionServers)<a name="line.47"></a> -<span class="sourceLineNo">048</span> *<a name="line.48"></a> -<span class="sourceLineNo">049</span> */<a name="line.49"></a> -<span class="sourceLineNo">050</span>@InterfaceAudience.Private<a name="line.50"></a> -<span class="sourceLineNo">051</span>public class ZKNamespaceManager extends ZKListener {<a name="line.51"></a> -<span class="sourceLineNo">052</span> private static final Logger LOG = LoggerFactory.getLogger(ZKNamespaceManager.class);<a name="line.52"></a> -<span class="sourceLineNo">053</span> private final String nsZNode;<a name="line.53"></a> -<span class="sourceLineNo">054</span> private final NavigableMap<String,NamespaceDescriptor> cache;<a name="line.54"></a> -<span class="sourceLineNo">055</span><a name="line.55"></a> -<span class="sourceLineNo">056</span> public ZKNamespaceManager(ZKWatcher zkw) throws IOException {<a name="line.56"></a> -<span class="sourceLineNo">057</span> super(zkw);<a name="line.57"></a> -<span class="sourceLineNo">058</span> nsZNode = zkw.getZNodePaths().namespaceZNode;<a name="line.58"></a> -<span class="sourceLineNo">059</span> cache = new ConcurrentSkipListMap<>();<a name="line.59"></a> -<span class="sourceLineNo">060</span> }<a name="line.60"></a> -<span class="sourceLineNo">061</span><a name="line.61"></a> -<span class="sourceLineNo">062</span> public void start() throws IOException {<a name="line.62"></a> -<span class="sourceLineNo">063</span> watcher.registerListener(this);<a name="line.63"></a> -<span class="sourceLineNo">064</span> try {<a name="line.64"></a> -<span class="sourceLineNo">065</span> if (ZKUtil.watchAndCheckExists(watcher, nsZNode)) {<a name="line.65"></a> -<span class="sourceLineNo">066</span> List<ZKUtil.NodeAndData> existing =<a name="line.66"></a> -<span class="sourceLineNo">067</span> ZKUtil.getChildDataAndWatchForNewChildren(watcher, nsZNode);<a name="line.67"></a> -<span class="sourceLineNo">068</span> if (existing != null) {<a name="line.68"></a> -<span class="sourceLineNo">069</span> refreshNodes(existing);<a name="line.69"></a> -<span class="sourceLineNo">070</span> }<a name="line.70"></a> -<span class="sourceLineNo">071</span> } else {<a name="line.71"></a> -<span class="sourceLineNo">072</span> ZKUtil.createWithParents(watcher, nsZNode);<a name="line.72"></a> -<span class="sourceLineNo">073</span> }<a name="line.73"></a> -<span class="sourceLineNo">074</span> } catch (KeeperException e) {<a name="line.74"></a> -<span class="sourceLineNo">075</span> throw new IOException("Failed to initialize ZKNamespaceManager", e);<a name="line.75"></a> -<span class="sourceLineNo">076</span> }<a name="line.76"></a> -<span class="sourceLineNo">077</span> }<a name="line.77"></a> -<span class="sourceLineNo">078</span><a name="line.78"></a> -<span class="sourceLineNo">079</span> public void stop() throws IOException {<a name="line.79"></a> -<span class="sourceLineNo">080</span> this.watcher.unregisterListener(this);<a name="line.80"></a> -<span class="sourceLineNo">081</span> }<a name="line.81"></a> -<span class="sourceLineNo">082</span><a name="line.82"></a> -<span class="sourceLineNo">083</span> public NamespaceDescriptor get(String name) {<a name="line.83"></a> -<span class="sourceLineNo">084</span> return cache.get(name);<a name="line.84"></a> -<span class="sourceLineNo">085</span> }<a name="line.85"></a> -<span class="sourceLineNo">086</span><a name="line.86"></a> -<span class="sourceLineNo">087</span> public void update(NamespaceDescriptor ns) throws IOException {<a name="line.87"></a> -<span class="sourceLineNo">088</span> writeNamespace(ns);<a name="line.88"></a> -<span class="sourceLineNo">089</span> cache.put(ns.getName(), ns);<a name="line.89"></a> -<span class="sourceLineNo">090</span> }<a name="line.90"></a> -<span class="sourceLineNo">091</span><a name="line.91"></a> -<span class="sourceLineNo">092</span> public void remove(String name) throws IOException {<a name="line.92"></a> -<span class="sourceLineNo">093</span> deleteNamespace(name);<a name="line.93"></a> -<span class="sourceLineNo">094</span> cache.remove(name);<a name="line.94"></a> -<span class="sourceLineNo">095</span> }<a name="line.95"></a> -<span class="sourceLineNo">096</span><a name="line.96"></a> -<span class="sourceLineNo">097</span> public NavigableSet<NamespaceDescriptor> list() throws IOException {<a name="line.97"></a> -<span class="sourceLineNo">098</span> NavigableSet<NamespaceDescriptor> ret =<a name="line.98"></a> -<span class="sourceLineNo">099</span> Sets.newTreeSet(NamespaceDescriptor.NAMESPACE_DESCRIPTOR_COMPARATOR);<a name="line.99"></a> -<span class="sourceLineNo">100</span> for(NamespaceDescriptor ns: cache.values()) {<a name="line.100"></a> -<span class="sourceLineNo">101</span> ret.add(ns);<a name="line.101"></a> -<span class="sourceLineNo">102</span> }<a name="line.102"></a> -<span class="sourceLineNo">103</span> return ret;<a name="line.103"></a> -<span class="sourceLineNo">104</span> }<a name="line.104"></a> -<span class="sourceLineNo">105</span><a name="line.105"></a> -<span class="sourceLineNo">106</span> @Override<a name="line.106"></a> -<span class="sourceLineNo">107</span> public void nodeCreated(String path) {<a name="line.107"></a> -<span class="sourceLineNo">108</span> if (nsZNode.equals(path)) {<a name="line.108"></a> -<span class="sourceLineNo">109</span> try {<a name="line.109"></a> -<span class="sourceLineNo">110</span> List<ZKUtil.NodeAndData> nodes =<a name="line.110"></a> -<span class="sourceLineNo">111</span> ZKUtil.getChildDataAndWatchForNewChildren(watcher, nsZNode);<a name="line.111"></a> -<span class="sourceLineNo">112</span> refreshNodes(nodes);<a name="line.112"></a> -<span class="sourceLineNo">113</span> } catch (KeeperException ke) {<a name="line.113"></a> -<span class="sourceLineNo">114</span> String msg = "Error reading data from zookeeper";<a name="line.114"></a> -<span class="sourceLineNo">115</span> LOG.error(msg, ke);<a name="line.115"></a> -<span class="sourceLineNo">116</span> watcher.abort(msg, ke);<a name="line.116"></a> -<span class="sourceLineNo">117</span> } catch (IOException e) {<a name="line.117"></a> -<span class="sourceLineNo">118</span> String msg = "Error parsing data from zookeeper";<a name="line.118"></a> -<span class="sourceLineNo">119</span> LOG.error(msg, e);<a name="line.119"></a> -<span class="sourceLineNo">120</span> watcher.abort(msg, e);<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> }<a name="line.123"></a> -<span class="sourceLineNo">124</span><a name="line.124"></a> -<span class="sourceLineNo">125</span> @Override<a name="line.125"></a> -<span class="sourceLineNo">126</span> public void nodeDeleted(String path) {<a name="line.126"></a> -<span class="sourceLineNo">127</span> if (nsZNode.equals(ZKUtil.getParent(path))) {<a name="line.127"></a> -<span class="sourceLineNo">128</span> String nsName = ZKUtil.getNodeName(path);<a name="line.128"></a> -<span class="sourceLineNo">129</span> cache.remove(nsName);<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> @Override<a name="line.133"></a> -<span class="sourceLineNo">134</span> public void nodeDataChanged(String path) {<a name="line.134"></a> -<span class="sourceLineNo">135</span> if (nsZNode.equals(ZKUtil.getParent(path))) {<a name="line.135"></a> -<span class="sourceLineNo">136</span> try {<a name="line.136"></a> -<span class="sourceLineNo">137</span> byte[] data = ZKUtil.getDataAndWatch(watcher, path);<a name="line.137"></a> -<span class="sourceLineNo">138</span> NamespaceDescriptor ns =<a name="line.138"></a> -<span class="sourceLineNo">139</span> ProtobufUtil.toNamespaceDescriptor(<a name="line.139"></a> -<span class="sourceLineNo">140</span> HBaseProtos.NamespaceDescriptor.parseFrom(data));<a name="line.140"></a> -<span class="sourceLineNo">141</span> cache.put(ns.getName(), ns);<a name="line.141"></a> -<span class="sourceLineNo">142</span> } catch (KeeperException ke) {<a name="line.142"></a> -<span class="sourceLineNo">143</span> String msg = "Error reading data from zookeeper for node "+path;<a name="line.143"></a> -<span class="sourceLineNo">144</span> LOG.error(msg, ke);<a name="line.144"></a> -<span class="sourceLineNo">145</span> // only option is to abort<a name="line.145"></a> -<span class="sourceLineNo">146</span> watcher.abort(msg, ke);<a name="line.146"></a> -<span class="sourceLineNo">147</span> } catch (IOException ioe) {<a name="line.147"></a> -<span class="sourceLineNo">148</span> String msg = "Error deserializing namespace: "+path;<a name="line.148"></a> -<span class="sourceLineNo">149</span> LOG.error(msg, ioe);<a name="line.149"></a> -<span class="sourceLineNo">150</span> watcher.abort(msg, ioe);<a name="line.150"></a> -<span class="sourceLineNo">151</span> }<a name="line.151"></a> -<span class="sourceLineNo">152</span> }<a name="line.152"></a> -<span class="sourceLineNo">153</span> }<a name="line.153"></a> -<span class="sourceLineNo">154</span><a name="line.154"></a> -<span class="sourceLineNo">155</span> @Override<a name="line.155"></a> -<span class="sourceLineNo">156</span> public void nodeChildrenChanged(String path) {<a name="line.156"></a> -<span class="sourceLineNo">157</span> if (nsZNode.equals(path)) {<a name="line.157"></a> -<span class="sourceLineNo">158</span> try {<a name="line.158"></a> -<span class="sourceLineNo">159</span> List<ZKUtil.NodeAndData> nodes =<a name="line.159"></a> -<span class="sourceLineNo">160</span> ZKUtil.getChildDataAndWatchForNewChildren(watcher, nsZNode);<a name="line.160"></a> -<span class="sourceLineNo">161</span> refreshNodes(nodes);<a name="line.161"></a> -<span class="sourceLineNo">162</span> } catch (KeeperException ke) {<a name="line.162"></a> -<span class="sourceLineNo">163</span> LOG.error("Error reading data from zookeeper for path "+path, ke);<a name="line.163"></a> -<span class="sourceLineNo">164</span> watcher.abort("ZooKeeper error get node children for path "+path, ke);<a name="line.164"></a> -<span class="sourceLineNo">165</span> } catch (IOException e) {<a name="line.165"></a> -<span class="sourceLineNo">166</span> LOG.error("Error deserializing namespace child from: "+path, e);<a name="line.166"></a> -<span class="sourceLineNo">167</span> watcher.abort("Error deserializing namespace child from: " + path, e);<a name="line.167"></a> -<span class="sourceLineNo">168</span> }<a name="line.168"></a> -<span class="sourceLineNo">169</span> }<a name="line.169"></a> -<span class="sourceLineNo">170</span> }<a name="line.170"></a> -<span class="sourceLineNo">171</span><a name="line.171"></a> -<span class="sourceLineNo">172</span> private void deleteNamespace(String name) throws IOException {<a name="line.172"></a> -<span class="sourceLineNo">173</span> String zNode = ZNodePaths.joinZNode(nsZNode, name);<a name="line.173"></a> -<span class="sourceLineNo">174</span> try {<a name="line.174"></a> -<span class="sourceLineNo">175</span> ZKUtil.deleteNode(watcher, zNode);<a name="line.175"></a> -<span class="sourceLineNo">176</span> } catch (KeeperException e) {<a name="line.176"></a> -<span class="sourceLineNo">177</span> if (e instanceof KeeperException.NoNodeException) {<a name="line.177"></a> -<span class="sourceLineNo">178</span> // If the node does not exist, it could be already deleted. Continue without fail.<a name="line.178"></a> -<span class="sourceLineNo">179</span> LOG.warn("The ZNode " + zNode + " for namespace " + name + " does not exist.");<a name="line.179"></a> -<span class="sourceLineNo">180</span> } else {<a name="line.180"></a> -<span class="sourceLineNo">181</span> LOG.error("Failed updating permissions for namespace " + name, e);<a name="line.181"></a> -<span class="sourceLineNo">182</span> throw new IOException("Failed updating permissions for namespace " + name, e);<a name="line.182"></a> -<span class="sourceLineNo">183</span> }<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><a name="line.186"></a> -<span class="sourceLineNo">187</span> private void writeNamespace(NamespaceDescriptor ns) throws IOException {<a name="line.187"></a> -<span class="sourceLineNo">188</span> String zNode = ZNodePaths.joinZNode(nsZNode, ns.getName());<a name="line.188"></a> -<span class="sourceLineNo">189</span> try {<a name="line.189"></a> -<span class="sourceLineNo">190</span> ZKUtil.createWithParents(watcher, zNode);<a name="line.190"></a> -<span class="sourceLineNo">191</span> ZKUtil.updateExistingNodeData(watcher, zNode,<a name="line.191"></a> -<span class="sourceLineNo">192</span> ProtobufUtil.toProtoNamespaceDescriptor(ns).toByteArray(), -1);<a name="line.192"></a> -<span class="sourceLineNo">193</span> } catch (KeeperException e) {<a name="line.193"></a> -<span class="sourceLineNo">194</span> LOG.error("Failed updating permissions for namespace "+ns.getName(), e);<a name="line.194"></a> -<span class="sourceLineNo">195</span> throw new IOException("Failed updating permissions for namespace "+ns.getName(), e);<a name="line.195"></a> -<span class="sourceLineNo">196</span> }<a name="line.196"></a> -<span class="sourceLineNo">197</span> }<a name="line.197"></a> -<span class="sourceLineNo">198</span><a name="line.198"></a> -<span class="sourceLineNo">199</span> private void refreshNodes(List<ZKUtil.NodeAndData> nodes) throws IOException {<a name="line.199"></a> -<span class="sourceLineNo">200</span> for (ZKUtil.NodeAndData n : nodes) {<a name="line.200"></a> -<span class="sourceLineNo">201</span> if (n.isEmpty()) continue;<a name="line.201"></a> -<span class="sourceLineNo">202</span> String path = n.getNode();<a name="line.202"></a> -<span class="sourceLineNo">203</span> String namespace = ZKUtil.getNodeName(path);<a name="line.203"></a> -<span class="sourceLineNo">204</span> byte[] nodeData = n.getData();<a name="line.204"></a> -<span class="sourceLineNo">205</span> if (LOG.isTraceEnabled()) {<a name="line.205"></a> -<span class="sourceLineNo">206</span> LOG.trace("Updating namespace cache from node " + namespace + " with data: " +<a name="line.206"></a> -<span class="sourceLineNo">207</span> Bytes.toStringBinary(nodeData));<a name="line.207"></a> -<span class="sourceLineNo">208</span> }<a name="line.208"></a> -<span class="sourceLineNo">209</span> NamespaceDescriptor ns =<a name="line.209"></a> -<span class="sourceLineNo">210</span> ProtobufUtil.toNamespaceDescriptor(<a name="line.210"></a> -<span class="sourceLineNo">211</span> HBaseProtos.NamespaceDescriptor.parseFrom(nodeData));<a name="line.211"></a> -<span class="sourceLineNo">212</span> cache.put(ns.getName(), ns);<a name="line.212"></a> -<span class="sourceLineNo">213</span> }<a name="line.213"></a> -<span class="sourceLineNo">214</span> }<a name="line.214"></a> -<span class="sourceLineNo">215</span>}<a name="line.215"></a> - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -</pre> -</div> -</body> -</html>
