http://git-wip-us.apache.org/repos/asf/hbase-site/blob/e5c3dcd1/devapidocs/src-html/org/apache/hadoop/hbase/replication/ReplicationPeerZKImpl.PeerStateTracker.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/replication/ReplicationPeerZKImpl.PeerStateTracker.html b/devapidocs/src-html/org/apache/hadoop/hbase/replication/ReplicationPeerZKImpl.PeerStateTracker.html index e3fb4bf..de5b0bb 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/replication/ReplicationPeerZKImpl.PeerStateTracker.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/replication/ReplicationPeerZKImpl.PeerStateTracker.html @@ -63,8 +63,8 @@ <span class="sourceLineNo">055</span> private TableCFsTracker tableCFsTracker;<a name="line.55"></a> <span class="sourceLineNo">056</span><a name="line.56"></a> <span class="sourceLineNo">057</span> /**<a name="line.57"></a> -<span class="sourceLineNo">058</span> * Constructor that takes all the objects required to communicate with the<a name="line.58"></a> -<span class="sourceLineNo">059</span> * specified peer, except for the region server addresses.<a name="line.59"></a> +<span class="sourceLineNo">058</span> * Constructor that takes all the objects required to communicate with the specified peer, except<a name="line.58"></a> +<span class="sourceLineNo">059</span> * for the region server addresses.<a name="line.59"></a> <span class="sourceLineNo">060</span> * @param conf configuration object to this peer<a name="line.60"></a> <span class="sourceLineNo">061</span> * @param id string representation of this peer's identifier<a name="line.61"></a> <span class="sourceLineNo">062</span> * @param peerConfig configuration for the replication peer<a name="line.62"></a> @@ -75,214 +75,230 @@ <span class="sourceLineNo">067</span> this.peerConfig = peerConfig;<a name="line.67"></a> <span class="sourceLineNo">068</span> this.id = id;<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">070</span> <a name="line.70"></a> <span class="sourceLineNo">071</span> /**<a name="line.71"></a> -<span class="sourceLineNo">072</span> * start a state tracker to check whether this peer is enabled or not<a name="line.72"></a> -<span class="sourceLineNo">073</span> *<a name="line.73"></a> -<span class="sourceLineNo">074</span> * @param zookeeper zk watcher for the local cluster<a name="line.74"></a> -<span class="sourceLineNo">075</span> * @param peerStateNode path to zk node which stores peer state<a name="line.75"></a> -<span class="sourceLineNo">076</span> * @throws KeeperException<a name="line.76"></a> -<span class="sourceLineNo">077</span> */<a name="line.77"></a> -<span class="sourceLineNo">078</span> public void startStateTracker(ZooKeeperWatcher zookeeper, String peerStateNode)<a name="line.78"></a> -<span class="sourceLineNo">079</span> throws KeeperException {<a name="line.79"></a> -<span class="sourceLineNo">080</span> ensurePeerEnabled(zookeeper, peerStateNode);<a name="line.80"></a> -<span class="sourceLineNo">081</span> this.peerStateTracker = new PeerStateTracker(peerStateNode, zookeeper, this);<a name="line.81"></a> -<span class="sourceLineNo">082</span> this.peerStateTracker.start();<a name="line.82"></a> -<span class="sourceLineNo">083</span> try {<a name="line.83"></a> -<span class="sourceLineNo">084</span> this.readPeerStateZnode();<a name="line.84"></a> -<span class="sourceLineNo">085</span> } catch (DeserializationException e) {<a name="line.85"></a> -<span class="sourceLineNo">086</span> throw ZKUtil.convert(e);<a name="line.86"></a> -<span class="sourceLineNo">087</span> }<a name="line.87"></a> -<span class="sourceLineNo">088</span> }<a name="line.88"></a> -<span class="sourceLineNo">089</span><a name="line.89"></a> -<span class="sourceLineNo">090</span> private void readPeerStateZnode() throws DeserializationException {<a name="line.90"></a> -<span class="sourceLineNo">091</span> this.peerState =<a name="line.91"></a> -<span class="sourceLineNo">092</span> isStateEnabled(this.peerStateTracker.getData(false))<a name="line.92"></a> -<span class="sourceLineNo">093</span> ? PeerState.ENABLED<a name="line.93"></a> -<span class="sourceLineNo">094</span> : PeerState.DISABLED;<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> /**<a name="line.97"></a> -<span class="sourceLineNo">098</span> * start a table-cfs tracker to listen the (table, cf-list) map change<a name="line.98"></a> -<span class="sourceLineNo">099</span> *<a name="line.99"></a> -<span class="sourceLineNo">100</span> * @param zookeeper zk watcher for the local cluster<a name="line.100"></a> -<span class="sourceLineNo">101</span> * @param tableCFsNode path to zk node which stores table-cfs<a name="line.101"></a> -<span class="sourceLineNo">102</span> * @throws KeeperException<a name="line.102"></a> -<span class="sourceLineNo">103</span> */<a name="line.103"></a> -<span class="sourceLineNo">104</span> public void startTableCFsTracker(ZooKeeperWatcher zookeeper, String tableCFsNode)<a name="line.104"></a> -<span class="sourceLineNo">105</span> throws KeeperException {<a name="line.105"></a> -<span class="sourceLineNo">106</span> this.tableCFsTracker = new TableCFsTracker(tableCFsNode, zookeeper,<a name="line.106"></a> -<span class="sourceLineNo">107</span> this);<a name="line.107"></a> -<span class="sourceLineNo">108</span> this.tableCFsTracker.start();<a name="line.108"></a> -<span class="sourceLineNo">109</span> this.readTableCFsZnode();<a name="line.109"></a> -<span class="sourceLineNo">110</span> }<a name="line.110"></a> -<span class="sourceLineNo">111</span><a name="line.111"></a> -<span class="sourceLineNo">112</span> private void readTableCFsZnode() {<a name="line.112"></a> -<span class="sourceLineNo">113</span> String currentTableCFs = Bytes.toString(tableCFsTracker.getData(false));<a name="line.113"></a> -<span class="sourceLineNo">114</span> this.tableCFs = ReplicationAdmin.parseTableCFsFromConfig(currentTableCFs);<a 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name="line.127"></a> -<span class="sourceLineNo">128</span> return id;<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> * Get the peer config object<a name="line.132"></a> -<span class="sourceLineNo">133</span> * @return the ReplicationPeerConfig for this peer<a name="line.133"></a> -<span class="sourceLineNo">134</span> */<a name="line.134"></a> -<span class="sourceLineNo">135</span> @Override<a name="line.135"></a> -<span class="sourceLineNo">136</span> public ReplicationPeerConfig getPeerConfig() {<a name="line.136"></a> -<span class="sourceLineNo">137</span> return peerConfig;<a name="line.137"></a> -<span class="sourceLineNo">138</span> }<a name="line.138"></a> -<span class="sourceLineNo">139</span><a name="line.139"></a> -<span class="sourceLineNo">140</span> /**<a name="line.140"></a> -<span class="sourceLineNo">141</span> * Get the configuration object required to communicate with this peer<a name="line.141"></a> -<span class="sourceLineNo">142</span> * @return configuration object<a name="line.142"></a> -<span class="sourceLineNo">143</span> */<a name="line.143"></a> -<span class="sourceLineNo">144</span> @Override<a name="line.144"></a> -<span class="sourceLineNo">145</span> public Configuration getConfiguration() {<a name="line.145"></a> -<span class="sourceLineNo">146</span> return conf;<a name="line.146"></a> -<span class="sourceLineNo">147</span> }<a name="line.147"></a> -<span class="sourceLineNo">148</span><a name="line.148"></a> -<span class="sourceLineNo">149</span> /**<a name="line.149"></a> -<span class="sourceLineNo">150</span> * Get replicable (table, cf-list) map of this peer<a name="line.150"></a> -<span class="sourceLineNo">151</span> * @return the replicable (table, cf-list) map<a name="line.151"></a> -<span class="sourceLineNo">152</span> */<a name="line.152"></a> -<span class="sourceLineNo">153</span> @Override<a name="line.153"></a> -<span class="sourceLineNo">154</span> public Map<TableName, List<String>> getTableCFs() {<a name="line.154"></a> -<span class="sourceLineNo">155</span> return this.tableCFs;<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> @Override<a name="line.158"></a> -<span class="sourceLineNo">159</span> public void abort(String why, Throwable e) {<a name="line.159"></a> -<span class="sourceLineNo">160</span> LOG.fatal("The ReplicationPeer coresponding to peer " + peerConfig<a name="line.160"></a> -<span class="sourceLineNo">161</span> + " was aborted for the following reason(s):" + why, e);<a name="line.161"></a> -<span class="sourceLineNo">162</span> }<a name="line.162"></a> -<span class="sourceLineNo">163</span><a name="line.163"></a> -<span class="sourceLineNo">164</span> @Override<a name="line.164"></a> -<span class="sourceLineNo">165</span> public boolean isAborted() {<a name="line.165"></a> -<span class="sourceLineNo">166</span> // Currently the replication peer is never "Aborted", we just log when the<a name="line.166"></a> -<span class="sourceLineNo">167</span> // abort method is called.<a name="line.167"></a> -<span class="sourceLineNo">168</span> return false;<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> @Override<a name="line.171"></a> -<span class="sourceLineNo">172</span> public void close() throws IOException {<a name="line.172"></a> -<span class="sourceLineNo">173</span> // TODO: stop zkw?<a name="line.173"></a> -<span class="sourceLineNo">174</span> }<a name="line.174"></a> -<span class="sourceLineNo">175</span><a name="line.175"></a> -<span class="sourceLineNo">176</span> /**<a name="line.176"></a> -<span class="sourceLineNo">177</span> * Parse the raw data from ZK to get a peer's state<a name="line.177"></a> -<span class="sourceLineNo">178</span> * @param bytes raw ZK data<a name="line.178"></a> -<span class="sourceLineNo">179</span> * @return True if the passed in <code>bytes</code> are those of a pb serialized ENABLED state.<a name="line.179"></a> -<span class="sourceLineNo">180</span> * @throws DeserializationException<a name="line.180"></a> -<span class="sourceLineNo">181</span> */<a name="line.181"></a> -<span class="sourceLineNo">182</span> public static boolean isStateEnabled(final byte[] bytes) throws DeserializationException {<a name="line.182"></a> -<span class="sourceLineNo">183</span> ZooKeeperProtos.ReplicationState.State state = parseStateFrom(bytes);<a name="line.183"></a> -<span class="sourceLineNo">184</span> return ZooKeeperProtos.ReplicationState.State.ENABLED == state;<a name="line.184"></a> +<span 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tableCFs) throws ReplicationException {<a name="line.80"></a> +<span class="sourceLineNo">081</span> this.conf = conf;<a name="line.81"></a> +<span class="sourceLineNo">082</span> this.peerConfig = peerConfig;<a name="line.82"></a> +<span class="sourceLineNo">083</span> this.id = id;<a name="line.83"></a> +<span class="sourceLineNo">084</span> this.tableCFs = tableCFs;<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> /**<a name="line.87"></a> +<span class="sourceLineNo">088</span> * start a state tracker to check whether this peer is enabled or not<a name="line.88"></a> +<span class="sourceLineNo">089</span> *<a name="line.89"></a> +<span class="sourceLineNo">090</span> * @param zookeeper zk watcher for the local cluster<a name="line.90"></a> +<span class="sourceLineNo">091</span> * @param peerStateNode path to zk node which stores peer state<a name="line.91"></a> +<span class="sourceLineNo">092</span> * @throws KeeperException<a name="line.92"></a> +<span class="sourceLineNo">093</span> */<a name="line.93"></a> +<span class="sourceLineNo">094</span> public void startStateTracker(ZooKeeperWatcher zookeeper, String peerStateNode)<a name="line.94"></a> +<span class="sourceLineNo">095</span> throws KeeperException {<a name="line.95"></a> +<span class="sourceLineNo">096</span> ensurePeerEnabled(zookeeper, peerStateNode);<a name="line.96"></a> +<span class="sourceLineNo">097</span> this.peerStateTracker = new PeerStateTracker(peerStateNode, zookeeper, this);<a name="line.97"></a> +<span class="sourceLineNo">098</span> this.peerStateTracker.start();<a name="line.98"></a> +<span class="sourceLineNo">099</span> try {<a name="line.99"></a> +<span class="sourceLineNo">100</span> this.readPeerStateZnode();<a name="line.100"></a> +<span class="sourceLineNo">101</span> } catch (DeserializationException e) {<a name="line.101"></a> +<span class="sourceLineNo">102</span> throw ZKUtil.convert(e);<a name="line.102"></a> +<span class="sourceLineNo">103</span> }<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> private void readPeerStateZnode() throws DeserializationException {<a name="line.106"></a> +<span class="sourceLineNo">107</span> this.peerState =<a name="line.107"></a> +<span class="sourceLineNo">108</span> isStateEnabled(this.peerStateTracker.getData(false))<a name="line.108"></a> +<span class="sourceLineNo">109</span> ? PeerState.ENABLED<a name="line.109"></a> +<span class="sourceLineNo">110</span> : PeerState.DISABLED;<a name="line.110"></a> +<span class="sourceLineNo">111</span> }<a name="line.111"></a> +<span class="sourceLineNo">112</span><a name="line.112"></a> +<span class="sourceLineNo">113</span> /**<a name="line.113"></a> +<span class="sourceLineNo">114</span> * start a table-cfs tracker to listen the (table, cf-list) map change<a name="line.114"></a> +<span class="sourceLineNo">115</span> *<a name="line.115"></a> +<span class="sourceLineNo">116</span> * @param zookeeper zk watcher for the local cluster<a name="line.116"></a> +<span class="sourceLineNo">117</span> * @param tableCFsNode path to zk node which stores table-cfs<a name="line.117"></a> +<span class="sourceLineNo">118</span> * @throws KeeperException<a name="line.118"></a> +<span class="sourceLineNo">119</span> */<a name="line.119"></a> +<span class="sourceLineNo">120</span> public void startTableCFsTracker(ZooKeeperWatcher zookeeper, String tableCFsNode)<a name="line.120"></a> +<span class="sourceLineNo">121</span> throws KeeperException {<a name="line.121"></a> +<span class="sourceLineNo">122</span> this.tableCFsTracker = new TableCFsTracker(tableCFsNode, zookeeper,<a name="line.122"></a> +<span class="sourceLineNo">123</span> this);<a name="line.123"></a> +<span class="sourceLineNo">124</span> this.tableCFsTracker.start();<a name="line.124"></a> +<span class="sourceLineNo">125</span> this.readTableCFsZnode();<a name="line.125"></a> +<span class="sourceLineNo">126</span> }<a name="line.126"></a> +<span class="sourceLineNo">127</span><a name="line.127"></a> +<span class="sourceLineNo">128</span> private void readTableCFsZnode() {<a name="line.128"></a> +<span class="sourceLineNo">129</span> String currentTableCFs = Bytes.toString(tableCFsTracker.getData(false));<a name="line.129"></a> +<span class="sourceLineNo">130</span> this.tableCFs = ReplicationAdmin.parseTableCFsFromConfig(currentTableCFs);<a 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name="line.143"></a> +<span class="sourceLineNo">144</span> return id;<a name="line.144"></a> +<span class="sourceLineNo">145</span> }<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> * Get the peer config object<a name="line.148"></a> +<span class="sourceLineNo">149</span> * @return the ReplicationPeerConfig for this peer<a name="line.149"></a> +<span class="sourceLineNo">150</span> */<a name="line.150"></a> +<span class="sourceLineNo">151</span> @Override<a name="line.151"></a> +<span class="sourceLineNo">152</span> public ReplicationPeerConfig getPeerConfig() {<a name="line.152"></a> +<span class="sourceLineNo">153</span> return peerConfig;<a name="line.153"></a> +<span class="sourceLineNo">154</span> }<a name="line.154"></a> +<span class="sourceLineNo">155</span><a name="line.155"></a> +<span class="sourceLineNo">156</span> /**<a name="line.156"></a> +<span class="sourceLineNo">157</span> * Get the configuration object required to communicate with this peer<a name="line.157"></a> +<span class="sourceLineNo">158</span> * @return configuration object<a name="line.158"></a> +<span class="sourceLineNo">159</span> */<a name="line.159"></a> +<span class="sourceLineNo">160</span> @Override<a name="line.160"></a> +<span class="sourceLineNo">161</span> public Configuration getConfiguration() {<a name="line.161"></a> +<span class="sourceLineNo">162</span> return conf;<a name="line.162"></a> +<span class="sourceLineNo">163</span> }<a name="line.163"></a> +<span class="sourceLineNo">164</span><a name="line.164"></a> +<span class="sourceLineNo">165</span> /**<a name="line.165"></a> +<span class="sourceLineNo">166</span> * Get replicable (table, cf-list) map of this peer<a name="line.166"></a> +<span class="sourceLineNo">167</span> * @return the replicable (table, cf-list) map<a name="line.167"></a> +<span class="sourceLineNo">168</span> */<a name="line.168"></a> +<span class="sourceLineNo">169</span> @Override<a name="line.169"></a> +<span class="sourceLineNo">170</span> public Map<TableName, List<String>> getTableCFs() {<a name="line.170"></a> +<span class="sourceLineNo">171</span> return this.tableCFs;<a name="line.171"></a> +<span class="sourceLineNo">172</span> }<a name="line.172"></a> +<span class="sourceLineNo">173</span><a name="line.173"></a> +<span class="sourceLineNo">174</span> @Override<a name="line.174"></a> +<span class="sourceLineNo">175</span> public void abort(String why, Throwable e) {<a name="line.175"></a> +<span class="sourceLineNo">176</span> LOG.fatal("The ReplicationPeer coresponding to peer " + peerConfig<a name="line.176"></a> +<span class="sourceLineNo">177</span> + " was aborted for the following reason(s):" + why, e);<a name="line.177"></a> +<span class="sourceLineNo">178</span> }<a name="line.178"></a> +<span class="sourceLineNo">179</span><a name="line.179"></a> +<span class="sourceLineNo">180</span> @Override<a name="line.180"></a> +<span class="sourceLineNo">181</span> public boolean isAborted() {<a name="line.181"></a> +<span class="sourceLineNo">182</span> // Currently the replication peer is never "Aborted", we just log when the<a name="line.182"></a> +<span class="sourceLineNo">183</span> // abort method is called.<a name="line.183"></a> +<span class="sourceLineNo">184</span> return false;<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> /**<a name="line.187"></a> -<span class="sourceLineNo">188</span> * @param bytes Content of a state znode.<a name="line.188"></a> -<span class="sourceLineNo">189</span> * @return State parsed from the passed bytes.<a name="line.189"></a> -<span class="sourceLineNo">190</span> * @throws DeserializationException<a name="line.190"></a> -<span 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if not present, we create it.<a name="line.225"></a> +<span class="sourceLineNo">226</span> * @param zookeeper<a name="line.226"></a> +<span class="sourceLineNo">227</span> * @param path Path to znode to check<a name="line.227"></a> +<span class="sourceLineNo">228</span> * @return True if we created the znode.<a name="line.228"></a> +<span class="sourceLineNo">229</span> * @throws NodeExistsException<a name="line.229"></a> +<span class="sourceLineNo">230</span> * @throws KeeperException<a name="line.230"></a> <span class="sourceLineNo">231</span> */<a name="line.231"></a> -<span class="sourceLineNo">232</span> public class PeerStateTracker extends ZooKeeperNodeTracker {<a name="line.232"></a> -<span class="sourceLineNo">233</span><a name="line.233"></a> -<span class="sourceLineNo">234</span> public PeerStateTracker(String peerStateZNode, ZooKeeperWatcher watcher,<a name="line.234"></a> -<span class="sourceLineNo">235</span> Abortable abortable) {<a name="line.235"></a> -<span class="sourceLineNo">236</span> super(watcher, peerStateZNode, abortable);<a name="line.236"></a> -<span class="sourceLineNo">237</span> }<a name="line.237"></a> -<span class="sourceLineNo">238</span><a name="line.238"></a> -<span class="sourceLineNo">239</span> @Override<a name="line.239"></a> -<span class="sourceLineNo">240</span> public synchronized void nodeDataChanged(String path) {<a name="line.240"></a> -<span class="sourceLineNo">241</span> if (path.equals(node)) {<a name="line.241"></a> -<span class="sourceLineNo">242</span> super.nodeDataChanged(path);<a name="line.242"></a> -<span class="sourceLineNo">243</span> try {<a name="line.243"></a> -<span class="sourceLineNo">244</span> readPeerStateZnode();<a name="line.244"></a> -<span class="sourceLineNo">245</span> } catch (DeserializationException e) {<a name="line.245"></a> -<span class="sourceLineNo">246</span> LOG.warn("Failed deserializing the content of " + path, e);<a name="line.246"></a> -<span class="sourceLineNo">247</span> }<a name="line.247"></a> -<span class="sourceLineNo">248</span> }<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><a name="line.251"></a> -<span class="sourceLineNo">252</span> /**<a name="line.252"></a> -<span class="sourceLineNo">253</span> * Tracker for (table, cf-list) map of this peer<a name="line.253"></a> -<span class="sourceLineNo">254</span> */<a name="line.254"></a> -<span class="sourceLineNo">255</span> public class TableCFsTracker extends ZooKeeperNodeTracker {<a name="line.255"></a> -<span class="sourceLineNo">256</span><a name="line.256"></a> -<span class="sourceLineNo">257</span> public TableCFsTracker(String tableCFsZNode, ZooKeeperWatcher watcher,<a name="line.257"></a> -<span class="sourceLineNo">258</span> Abortable abortable) {<a name="line.258"></a> -<span class="sourceLineNo">259</span> super(watcher, tableCFsZNode, abortable);<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> @Override<a name="line.262"></a> -<span class="sourceLineNo">263</span> public synchronized void nodeCreated(String path) {<a name="line.263"></a> -<span class="sourceLineNo">264</span> if (path.equals(node)) {<a name="line.264"></a> -<span class="sourceLineNo">265</span> super.nodeCreated(path);<a name="line.265"></a> -<span class="sourceLineNo">266</span> readTableCFsZnode();<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><a name="line.269"></a> -<span class="sourceLineNo">270</span> @Override<a name="line.270"></a> -<span class="sourceLineNo">271</span> public synchronized void nodeDataChanged(String path) {<a name="line.271"></a> -<span class="sourceLineNo">272</span> if (path.equals(node)) {<a name="line.272"></a> -<span class="sourceLineNo">273</span> super.nodeDataChanged(path);<a name="line.273"></a> -<span class="sourceLineNo">274</span> }<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>}<a name="line.277"></a> +<span class="sourceLineNo">232</span> private static boolean ensurePeerEnabled(final ZooKeeperWatcher zookeeper, final String path)<a name="line.232"></a> +<span class="sourceLineNo">233</span> throws NodeExistsException, KeeperException {<a name="line.233"></a> +<span class="sourceLineNo">234</span> if (ZKUtil.checkExists(zookeeper, path) == -1) {<a name="line.234"></a> +<span class="sourceLineNo">235</span> // There is a race b/w PeerWatcher and ReplicationZookeeper#add method to create the<a name="line.235"></a> +<span class="sourceLineNo">236</span> // peer-state znode. This happens while adding a peer.<a name="line.236"></a> +<span class="sourceLineNo">237</span> // The peer state data is set as "ENABLED" by default.<a name="line.237"></a> +<span class="sourceLineNo">238</span> ZKUtil.createNodeIfNotExistsAndWatch(zookeeper, path,<a name="line.238"></a> +<span class="sourceLineNo">239</span> ReplicationStateZKBase.ENABLED_ZNODE_BYTES);<a name="line.239"></a> +<span class="sourceLineNo">240</span> return true;<a name="line.240"></a> +<span class="sourceLineNo">241</span> }<a name="line.241"></a> +<span class="sourceLineNo">242</span> return false;<a name="line.242"></a> +<span class="sourceLineNo">243</span> }<a name="line.243"></a> +<span class="sourceLineNo">244</span><a name="line.244"></a> +<span class="sourceLineNo">245</span> /**<a name="line.245"></a> +<span class="sourceLineNo">246</span> * Tracker for state of this peer<a name="line.246"></a> +<span class="sourceLineNo">247</span> */<a name="line.247"></a> +<span class="sourceLineNo">248</span> public class PeerStateTracker extends ZooKeeperNodeTracker {<a name="line.248"></a> +<span class="sourceLineNo">249</span><a name="line.249"></a> +<span class="sourceLineNo">250</span> public PeerStateTracker(String peerStateZNode, ZooKeeperWatcher watcher,<a name="line.250"></a> +<span class="sourceLineNo">251</span> Abortable abortable) {<a name="line.251"></a> +<span class="sourceLineNo">252</span> super(watcher, peerStateZNode, abortable);<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> @Override<a name="line.255"></a> +<span class="sourceLineNo">256</span> public synchronized void nodeDataChanged(String path) {<a name="line.256"></a> +<span class="sourceLineNo">257</span> if (path.equals(node)) {<a name="line.257"></a> +<span class="sourceLineNo">258</span> super.nodeDataChanged(path);<a name="line.258"></a> +<span class="sourceLineNo">259</span> try {<a name="line.259"></a> +<span class="sourceLineNo">260</span> readPeerStateZnode();<a name="line.260"></a> +<span class="sourceLineNo">261</span> } catch (DeserializationException e) {<a name="line.261"></a> +<span class="sourceLineNo">262</span> LOG.warn("Failed deserializing the content of " + path, e);<a name="line.262"></a> +<span class="sourceLineNo">263</span> }<a name="line.263"></a> +<span class="sourceLineNo">264</span> }<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><a name="line.267"></a> +<span class="sourceLineNo">268</span> /**<a name="line.268"></a> +<span class="sourceLineNo">269</span> * Tracker for (table, cf-list) map of this peer<a name="line.269"></a> +<span class="sourceLineNo">270</span> */<a name="line.270"></a> +<span class="sourceLineNo">271</span> public class TableCFsTracker extends ZooKeeperNodeTracker {<a name="line.271"></a> +<span class="sourceLineNo">272</span><a name="line.272"></a> +<span class="sourceLineNo">273</span> public TableCFsTracker(String tableCFsZNode, ZooKeeperWatcher watcher,<a name="line.273"></a> +<span class="sourceLineNo">274</span> Abortable abortable) {<a name="line.274"></a> +<span class="sourceLineNo">275</span> super(watcher, tableCFsZNode, abortable);<a name="line.275"></a> +<span class="sourceLineNo">276</span> }<a name="line.276"></a> +<span class="sourceLineNo">277</span> <a name="line.277"></a> +<span class="sourceLineNo">278</span> @Override<a name="line.278"></a> +<span class="sourceLineNo">279</span> public synchronized void nodeCreated(String path) {<a name="line.279"></a> +<span class="sourceLineNo">280</span> if (path.equals(node)) {<a name="line.280"></a> +<span class="sourceLineNo">281</span> super.nodeCreated(path);<a name="line.281"></a> +<span class="sourceLineNo">282</span> readTableCFsZnode();<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><a name="line.285"></a> +<span class="sourceLineNo">286</span> @Override<a name="line.286"></a> +<span class="sourceLineNo">287</span> public synchronized void nodeDataChanged(String path) {<a name="line.287"></a> +<span class="sourceLineNo">288</span> if (path.equals(node)) {<a name="line.288"></a> +<span class="sourceLineNo">289</span> super.nodeDataChanged(path);<a name="line.289"></a> +<span class="sourceLineNo">290</span> }<a name="line.290"></a> +<span class="sourceLineNo">291</span> }<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>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/e5c3dcd1/devapidocs/src-html/org/apache/hadoop/hbase/replication/ReplicationPeerZKImpl.TableCFsTracker.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/replication/ReplicationPeerZKImpl.TableCFsTracker.html b/devapidocs/src-html/org/apache/hadoop/hbase/replication/ReplicationPeerZKImpl.TableCFsTracker.html index e3fb4bf..de5b0bb 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/replication/ReplicationPeerZKImpl.TableCFsTracker.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/replication/ReplicationPeerZKImpl.TableCFsTracker.html @@ -63,8 +63,8 @@ <span class="sourceLineNo">055</span> private TableCFsTracker tableCFsTracker;<a name="line.55"></a> <span class="sourceLineNo">056</span><a name="line.56"></a> <span class="sourceLineNo">057</span> /**<a name="line.57"></a> -<span class="sourceLineNo">058</span> * Constructor that takes all the objects required to communicate with the<a name="line.58"></a> -<span class="sourceLineNo">059</span> * specified peer, except for the region server addresses.<a name="line.59"></a> +<span class="sourceLineNo">058</span> * Constructor that takes all the objects required to communicate with the specified peer, except<a name="line.58"></a> +<span class="sourceLineNo">059</span> * for the region server addresses.<a name="line.59"></a> <span class="sourceLineNo">060</span> * @param conf configuration object to this peer<a name="line.60"></a> <span class="sourceLineNo">061</span> * @param id string representation of this peer's identifier<a name="line.61"></a> <span class="sourceLineNo">062</span> * @param peerConfig configuration for the replication peer<a name="line.62"></a> @@ -75,214 +75,230 @@ <span class="sourceLineNo">067</span> this.peerConfig = peerConfig;<a name="line.67"></a> <span class="sourceLineNo">068</span> this.id = id;<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">070</span> <a name="line.70"></a> <span class="sourceLineNo">071</span> /**<a name="line.71"></a> -<span class="sourceLineNo">072</span> * start a state tracker to check whether this peer is enabled or not<a name="line.72"></a> -<span class="sourceLineNo">073</span> *<a name="line.73"></a> -<span class="sourceLineNo">074</span> * @param zookeeper zk watcher for the local cluster<a name="line.74"></a> -<span class="sourceLineNo">075</span> * @param peerStateNode path to zk node which stores peer state<a name="line.75"></a> -<span class="sourceLineNo">076</span> * @throws KeeperException<a name="line.76"></a> -<span class="sourceLineNo">077</span> */<a name="line.77"></a> -<span class="sourceLineNo">078</span> public void startStateTracker(ZooKeeperWatcher zookeeper, String peerStateNode)<a name="line.78"></a> -<span class="sourceLineNo">079</span> throws KeeperException {<a name="line.79"></a> -<span class="sourceLineNo">080</span> ensurePeerEnabled(zookeeper, peerStateNode);<a name="line.80"></a> -<span class="sourceLineNo">081</span> this.peerStateTracker = new PeerStateTracker(peerStateNode, zookeeper, this);<a name="line.81"></a> -<span class="sourceLineNo">082</span> this.peerStateTracker.start();<a name="line.82"></a> -<span class="sourceLineNo">083</span> try {<a name="line.83"></a> -<span class="sourceLineNo">084</span> this.readPeerStateZnode();<a name="line.84"></a> -<span class="sourceLineNo">085</span> } catch (DeserializationException e) {<a name="line.85"></a> -<span class="sourceLineNo">086</span> throw ZKUtil.convert(e);<a name="line.86"></a> -<span class="sourceLineNo">087</span> }<a name="line.87"></a> -<span class="sourceLineNo">088</span> }<a name="line.88"></a> -<span class="sourceLineNo">089</span><a name="line.89"></a> -<span class="sourceLineNo">090</span> private void readPeerStateZnode() throws DeserializationException {<a name="line.90"></a> -<span class="sourceLineNo">091</span> this.peerState =<a name="line.91"></a> -<span class="sourceLineNo">092</span> isStateEnabled(this.peerStateTracker.getData(false))<a name="line.92"></a> -<span class="sourceLineNo">093</span> ? PeerState.ENABLED<a name="line.93"></a> -<span class="sourceLineNo">094</span> : PeerState.DISABLED;<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> /**<a name="line.97"></a> -<span class="sourceLineNo">098</span> * start a table-cfs tracker to listen the (table, cf-list) map change<a name="line.98"></a> -<span class="sourceLineNo">099</span> *<a name="line.99"></a> -<span class="sourceLineNo">100</span> * @param zookeeper zk watcher for the local cluster<a name="line.100"></a> -<span class="sourceLineNo">101</span> * @param tableCFsNode path to zk node which stores table-cfs<a name="line.101"></a> -<span class="sourceLineNo">102</span> * @throws KeeperException<a name="line.102"></a> -<span class="sourceLineNo">103</span> */<a name="line.103"></a> -<span class="sourceLineNo">104</span> public void startTableCFsTracker(ZooKeeperWatcher zookeeper, String tableCFsNode)<a name="line.104"></a> -<span class="sourceLineNo">105</span> throws KeeperException {<a name="line.105"></a> -<span class="sourceLineNo">106</span> this.tableCFsTracker = new TableCFsTracker(tableCFsNode, zookeeper,<a name="line.106"></a> -<span class="sourceLineNo">107</span> this);<a name="line.107"></a> -<span class="sourceLineNo">108</span> this.tableCFsTracker.start();<a name="line.108"></a> -<span class="sourceLineNo">109</span> this.readTableCFsZnode();<a name="line.109"></a> -<span class="sourceLineNo">110</span> }<a name="line.110"></a> -<span class="sourceLineNo">111</span><a name="line.111"></a> -<span class="sourceLineNo">112</span> private void readTableCFsZnode() {<a name="line.112"></a> -<span class="sourceLineNo">113</span> String currentTableCFs = Bytes.toString(tableCFsTracker.getData(false));<a name="line.113"></a> -<span class="sourceLineNo">114</span> this.tableCFs = ReplicationAdmin.parseTableCFsFromConfig(currentTableCFs);<a 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name="line.127"></a> -<span class="sourceLineNo">128</span> return id;<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> * Get the peer config object<a name="line.132"></a> -<span class="sourceLineNo">133</span> * @return the ReplicationPeerConfig for this peer<a name="line.133"></a> -<span class="sourceLineNo">134</span> */<a name="line.134"></a> -<span class="sourceLineNo">135</span> @Override<a name="line.135"></a> -<span class="sourceLineNo">136</span> public ReplicationPeerConfig getPeerConfig() {<a name="line.136"></a> -<span class="sourceLineNo">137</span> return peerConfig;<a name="line.137"></a> -<span class="sourceLineNo">138</span> }<a name="line.138"></a> -<span class="sourceLineNo">139</span><a name="line.139"></a> -<span class="sourceLineNo">140</span> /**<a name="line.140"></a> -<span class="sourceLineNo">141</span> * Get the configuration object required to communicate with this peer<a name="line.141"></a> -<span class="sourceLineNo">142</span> * @return configuration object<a name="line.142"></a> -<span class="sourceLineNo">143</span> */<a name="line.143"></a> -<span class="sourceLineNo">144</span> @Override<a name="line.144"></a> -<span class="sourceLineNo">145</span> public Configuration getConfiguration() {<a name="line.145"></a> -<span class="sourceLineNo">146</span> return conf;<a name="line.146"></a> -<span class="sourceLineNo">147</span> }<a name="line.147"></a> -<span class="sourceLineNo">148</span><a name="line.148"></a> -<span class="sourceLineNo">149</span> /**<a name="line.149"></a> -<span class="sourceLineNo">150</span> * Get replicable (table, cf-list) map of this peer<a name="line.150"></a> -<span class="sourceLineNo">151</span> * @return the replicable (table, cf-list) map<a name="line.151"></a> -<span class="sourceLineNo">152</span> */<a name="line.152"></a> -<span class="sourceLineNo">153</span> @Override<a name="line.153"></a> -<span class="sourceLineNo">154</span> public Map<TableName, List<String>> getTableCFs() {<a name="line.154"></a> -<span class="sourceLineNo">155</span> return this.tableCFs;<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> @Override<a name="line.158"></a> -<span class="sourceLineNo">159</span> public void abort(String why, Throwable e) {<a name="line.159"></a> -<span class="sourceLineNo">160</span> LOG.fatal("The ReplicationPeer coresponding to peer " + peerConfig<a name="line.160"></a> -<span class="sourceLineNo">161</span> + " was aborted for the following reason(s):" + why, e);<a name="line.161"></a> -<span class="sourceLineNo">162</span> }<a name="line.162"></a> -<span class="sourceLineNo">163</span><a name="line.163"></a> -<span class="sourceLineNo">164</span> @Override<a name="line.164"></a> -<span class="sourceLineNo">165</span> public boolean isAborted() {<a name="line.165"></a> -<span class="sourceLineNo">166</span> // Currently the replication peer is never "Aborted", we just log when the<a name="line.166"></a> -<span class="sourceLineNo">167</span> // abort method is called.<a name="line.167"></a> -<span class="sourceLineNo">168</span> return false;<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> @Override<a name="line.171"></a> -<span class="sourceLineNo">172</span> public void close() throws IOException {<a name="line.172"></a> -<span class="sourceLineNo">173</span> // TODO: stop zkw?<a name="line.173"></a> -<span class="sourceLineNo">174</span> }<a name="line.174"></a> -<span class="sourceLineNo">175</span><a name="line.175"></a> -<span class="sourceLineNo">176</span> /**<a name="line.176"></a> -<span class="sourceLineNo">177</span> * Parse the raw data from ZK to get a peer's state<a name="line.177"></a> -<span class="sourceLineNo">178</span> * @param bytes raw ZK data<a name="line.178"></a> -<span class="sourceLineNo">179</span> * @return True if the passed in <code>bytes</code> are those of a pb serialized ENABLED state.<a name="line.179"></a> -<span class="sourceLineNo">180</span> * @throws DeserializationException<a name="line.180"></a> -<span class="sourceLineNo">181</span> */<a name="line.181"></a> -<span class="sourceLineNo">182</span> public static boolean isStateEnabled(final byte[] bytes) throws DeserializationException {<a name="line.182"></a> -<span class="sourceLineNo">183</span> ZooKeeperProtos.ReplicationState.State state = parseStateFrom(bytes);<a name="line.183"></a> -<span class="sourceLineNo">184</span> return ZooKeeperProtos.ReplicationState.State.ENABLED == state;<a name="line.184"></a> +<span 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tableCFs) throws ReplicationException {<a name="line.80"></a> +<span class="sourceLineNo">081</span> this.conf = conf;<a name="line.81"></a> +<span class="sourceLineNo">082</span> this.peerConfig = peerConfig;<a name="line.82"></a> +<span class="sourceLineNo">083</span> this.id = id;<a name="line.83"></a> +<span class="sourceLineNo">084</span> this.tableCFs = tableCFs;<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> /**<a name="line.87"></a> +<span class="sourceLineNo">088</span> * start a state tracker to check whether this peer is enabled or not<a name="line.88"></a> +<span class="sourceLineNo">089</span> *<a name="line.89"></a> +<span class="sourceLineNo">090</span> * @param zookeeper zk watcher for the local cluster<a name="line.90"></a> +<span class="sourceLineNo">091</span> * @param peerStateNode path to zk node which stores peer state<a name="line.91"></a> +<span class="sourceLineNo">092</span> * @throws KeeperException<a name="line.92"></a> +<span class="sourceLineNo">093</span> */<a name="line.93"></a> +<span class="sourceLineNo">094</span> public void startStateTracker(ZooKeeperWatcher zookeeper, String peerStateNode)<a name="line.94"></a> +<span class="sourceLineNo">095</span> throws KeeperException {<a name="line.95"></a> +<span class="sourceLineNo">096</span> ensurePeerEnabled(zookeeper, peerStateNode);<a name="line.96"></a> +<span class="sourceLineNo">097</span> this.peerStateTracker = new PeerStateTracker(peerStateNode, zookeeper, this);<a name="line.97"></a> +<span class="sourceLineNo">098</span> this.peerStateTracker.start();<a name="line.98"></a> +<span class="sourceLineNo">099</span> try {<a name="line.99"></a> +<span class="sourceLineNo">100</span> this.readPeerStateZnode();<a name="line.100"></a> +<span class="sourceLineNo">101</span> } catch (DeserializationException e) {<a name="line.101"></a> +<span class="sourceLineNo">102</span> throw ZKUtil.convert(e);<a name="line.102"></a> +<span class="sourceLineNo">103</span> }<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> private void readPeerStateZnode() throws DeserializationException {<a name="line.106"></a> +<span class="sourceLineNo">107</span> this.peerState =<a name="line.107"></a> +<span class="sourceLineNo">108</span> isStateEnabled(this.peerStateTracker.getData(false))<a name="line.108"></a> +<span class="sourceLineNo">109</span> ? PeerState.ENABLED<a name="line.109"></a> +<span class="sourceLineNo">110</span> : PeerState.DISABLED;<a name="line.110"></a> +<span class="sourceLineNo">111</span> }<a name="line.111"></a> +<span class="sourceLineNo">112</span><a name="line.112"></a> +<span class="sourceLineNo">113</span> /**<a name="line.113"></a> +<span class="sourceLineNo">114</span> * start a table-cfs tracker to listen the (table, cf-list) map change<a name="line.114"></a> +<span class="sourceLineNo">115</span> *<a name="line.115"></a> +<span class="sourceLineNo">116</span> * @param zookeeper zk watcher for the local cluster<a name="line.116"></a> +<span class="sourceLineNo">117</span> * @param tableCFsNode path to zk node which stores table-cfs<a name="line.117"></a> +<span class="sourceLineNo">118</span> * @throws KeeperException<a name="line.118"></a> +<span class="sourceLineNo">119</span> */<a name="line.119"></a> +<span class="sourceLineNo">120</span> public void startTableCFsTracker(ZooKeeperWatcher zookeeper, String tableCFsNode)<a name="line.120"></a> +<span class="sourceLineNo">121</span> throws KeeperException {<a name="line.121"></a> +<span class="sourceLineNo">122</span> this.tableCFsTracker = new TableCFsTracker(tableCFsNode, zookeeper,<a name="line.122"></a> +<span class="sourceLineNo">123</span> this);<a name="line.123"></a> +<span class="sourceLineNo">124</span> this.tableCFsTracker.start();<a name="line.124"></a> +<span class="sourceLineNo">125</span> this.readTableCFsZnode();<a name="line.125"></a> +<span class="sourceLineNo">126</span> }<a name="line.126"></a> +<span class="sourceLineNo">127</span><a name="line.127"></a> +<span class="sourceLineNo">128</span> private void readTableCFsZnode() {<a name="line.128"></a> +<span class="sourceLineNo">129</span> String currentTableCFs = Bytes.toString(tableCFsTracker.getData(false));<a name="line.129"></a> +<span class="sourceLineNo">130</span> this.tableCFs = ReplicationAdmin.parseTableCFsFromConfig(currentTableCFs);<a 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name="line.143"></a> +<span class="sourceLineNo">144</span> return id;<a name="line.144"></a> +<span class="sourceLineNo">145</span> }<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> * Get the peer config object<a name="line.148"></a> +<span class="sourceLineNo">149</span> * @return the ReplicationPeerConfig for this peer<a name="line.149"></a> +<span class="sourceLineNo">150</span> */<a name="line.150"></a> +<span class="sourceLineNo">151</span> @Override<a name="line.151"></a> +<span class="sourceLineNo">152</span> public ReplicationPeerConfig getPeerConfig() {<a name="line.152"></a> +<span class="sourceLineNo">153</span> return peerConfig;<a name="line.153"></a> +<span class="sourceLineNo">154</span> }<a name="line.154"></a> +<span class="sourceLineNo">155</span><a name="line.155"></a> +<span class="sourceLineNo">156</span> /**<a name="line.156"></a> +<span class="sourceLineNo">157</span> * Get the configuration object required to communicate with this peer<a name="line.157"></a> +<span class="sourceLineNo">158</span> * @return configuration object<a name="line.158"></a> +<span class="sourceLineNo">159</span> */<a name="line.159"></a> +<span class="sourceLineNo">160</span> @Override<a name="line.160"></a> +<span class="sourceLineNo">161</span> public Configuration getConfiguration() {<a name="line.161"></a> +<span class="sourceLineNo">162</span> return conf;<a name="line.162"></a> +<span class="sourceLineNo">163</span> }<a name="line.163"></a> +<span class="sourceLineNo">164</span><a name="line.164"></a> +<span class="sourceLineNo">165</span> /**<a name="line.165"></a> +<span class="sourceLineNo">166</span> * Get replicable (table, cf-list) map of this peer<a name="line.166"></a> +<span class="sourceLineNo">167</span> * @return the replicable (table, cf-list) map<a name="line.167"></a> +<span class="sourceLineNo">168</span> */<a name="line.168"></a> +<span class="sourceLineNo">169</span> @Override<a name="line.169"></a> +<span class="sourceLineNo">170</span> public Map<TableName, List<String>> getTableCFs() {<a name="line.170"></a> +<span class="sourceLineNo">171</span> return this.tableCFs;<a name="line.171"></a> +<span class="sourceLineNo">172</span> }<a name="line.172"></a> +<span class="sourceLineNo">173</span><a name="line.173"></a> +<span class="sourceLineNo">174</span> @Override<a name="line.174"></a> +<span class="sourceLineNo">175</span> public void abort(String why, Throwable e) {<a name="line.175"></a> +<span class="sourceLineNo">176</span> LOG.fatal("The ReplicationPeer coresponding to peer " + peerConfig<a name="line.176"></a> +<span class="sourceLineNo">177</span> + " was aborted for the following reason(s):" + why, e);<a name="line.177"></a> +<span class="sourceLineNo">178</span> }<a name="line.178"></a> +<span class="sourceLineNo">179</span><a name="line.179"></a> +<span class="sourceLineNo">180</span> @Override<a name="line.180"></a> +<span class="sourceLineNo">181</span> public boolean isAborted() {<a name="line.181"></a> +<span class="sourceLineNo">182</span> // Currently the replication peer is never "Aborted", we just log when the<a name="line.182"></a> +<span class="sourceLineNo">183</span> // abort method is called.<a name="line.183"></a> +<span class="sourceLineNo">184</span> return false;<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> /**<a name="line.187"></a> -<span class="sourceLineNo">188</span> * @param bytes Content of a state znode.<a name="line.188"></a> -<span class="sourceLineNo">189</span> * @return State parsed from the passed bytes.<a name="line.189"></a> -<span class="sourceLineNo">190</span> * @throws DeserializationException<a name="line.190"></a> -<span 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if not present, we create it.<a name="line.225"></a> +<span class="sourceLineNo">226</span> * @param zookeeper<a name="line.226"></a> +<span class="sourceLineNo">227</span> * @param path Path to znode to check<a name="line.227"></a> +<span class="sourceLineNo">228</span> * @return True if we created the znode.<a name="line.228"></a> +<span class="sourceLineNo">229</span> * @throws NodeExistsException<a name="line.229"></a> +<span class="sourceLineNo">230</span> * @throws KeeperException<a name="line.230"></a> <span class="sourceLineNo">231</span> */<a name="line.231"></a> -<span class="sourceLineNo">232</span> public class PeerStateTracker extends ZooKeeperNodeTracker {<a name="line.232"></a> -<span class="sourceLineNo">233</span><a name="line.233"></a> -<span class="sourceLineNo">234</span> public PeerStateTracker(String peerStateZNode, ZooKeeperWatcher watcher,<a name="line.234"></a> -<span class="sourceLineNo">235</span> Abortable abortable) {<a name="line.235"></a> -<span class="sourceLineNo">236</span> super(watcher, peerStateZNode, abortable);<a name="line.236"></a> -<span class="sourceLineNo">237</span> }<a name="line.237"></a> -<span class="sourceLineNo">238</span><a name="line.238"></a> -<span class="sourceLineNo">239</span> @Override<a name="line.239"></a> -<span class="sourceLineNo">240</span> public synchronized void nodeDataChanged(String path) {<a name="line.240"></a> -<span class="sourceLineNo">241</span> if (path.equals(node)) {<a name="line.241"></a> -<span class="sourceLineNo">242</span> super.nodeDataChanged(path);<a name="line.242"></a> -<span class="sourceLineNo">243</span> try {<a name="line.243"></a> -<span class="sourceLineNo">244</span> readPeerStateZnode();<a name="line.244"></a> -<span class="sourceLineNo">245</span> } catch (DeserializationException e) {<a name="line.245"></a> -<span class="sourceLineNo">246</span> LOG.warn("Failed deserializing the content of " + path, e);<a name="line.246"></a> -<span class="sourceLineNo">247</span> }<a name="line.247"></a> -<span class="sourceLineNo">248</span> }<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><a name="line.251"></a> -<span class="sourceLineNo">252</span> /**<a name="line.252"></a> -<span class="sourceLineNo">253</span> * Tracker for (table, cf-list) map of this peer<a name="line.253"></a> -<span class="sourceLineNo">254</span> */<a name="line.254"></a> -<span class="sourceLineNo">255</span> public class TableCFsTracker extends ZooKeeperNodeTracker {<a name="line.255"></a> -<span class="sourceLineNo">256</span><a name="line.256"></a> -<span class="sourceLineNo">257</span> public TableCFsTracker(String tableCFsZNode, ZooKeeperWatcher watcher,<a name="line.257"></a> -<span class="sourceLineNo">258</span> Abortable abortable) {<a name="line.258"></a> -<span class="sourceLineNo">259</span> super(watcher, tableCFsZNode, abortable);<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> @Override<a name="line.262"></a> -<span class="sourceLineNo">263</span> public synchronized void nodeCreated(String path) {<a name="line.263"></a> -<span class="sourceLineNo">264</span> if (path.equals(node)) {<a name="line.264"></a> -<span class="sourceLineNo">265</span> super.nodeCreated(path);<a name="line.265"></a> -<span class="sourceLineNo">266</span> readTableCFsZnode();<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><a name="line.269"></a> -<span class="sourceLineNo">270</span> @Override<a name="line.270"></a> -<span class="sourceLineNo">271</span> public synchronized void nodeDataChanged(String path) {<a name="line.271"></a> -<span class="sourceLineNo">272</span> if (path.equals(node)) {<a name="line.272"></a> -<span class="sourceLineNo">273</span> super.nodeDataChanged(path);<a name="line.273"></a> -<span class="sourceLineNo">274</span> }<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>}<a name="line.277"></a> +<span class="sourceLineNo">232</span> private static boolean ensurePeerEnabled(final ZooKeeperWatcher zookeeper, final String path)<a name="line.232"></a> +<span class="sourceLineNo">233</span> throws NodeExistsException, KeeperException {<a name="line.233"></a> +<span class="sourceLineNo">234</span> if (ZKUtil.checkExists(zookeeper, path) == -1) {<a name="line.234"></a> +<span class="sourceLineNo">235</span> // There is a race b/w PeerWatcher and ReplicationZookeeper#add method to create the<a name="line.235"></a> +<span class="sourceLineNo">236</span> // peer-state znode. 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