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Posted to commits@hbase.apache.org by gi...@apache.org on 2018/02/05 15:14:15 UTC
[26/35] hbase-site git commit: Published site at .
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+<span class="sourceLineNo">081</span> @Override<a name="line.81"></a>
+<span class="sourceLineNo">082</span> protected boolean hasLock(MasterProcedureEnv env) {<a name="line.82"></a>
+<span class="sourceLineNo">083</span> return locked;<a name="line.83"></a>
+<span class="sourceLineNo">084</span> }<a name="line.84"></a>
+<span class="sourceLineNo">085</span><a name="line.85"></a>
+<span class="sourceLineNo">086</span> @Override<a name="line.86"></a>
+<span class="sourceLineNo">087</span> protected void serializeStateData(ProcedureStateSerializer serializer) throws IOException {<a name="line.87"></a>
+<span class="sourceLineNo">088</span> super.serializeStateData(serializer);<a name="line.88"></a>
+<span class="sourceLineNo">089</span> serializer.serialize(PeerProcedureStateData.newBuilder().setPeerId(peerId).build());<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> @Override<a name="line.92"></a>
+<span class="sourceLineNo">093</span> protected void deserializeStateData(ProcedureStateSerializer serializer) throws IOException {<a name="line.93"></a>
+<span class="sourceLineNo">094</span> super.deserializeStateData(serializer);<a name="line.94"></a>
+<span class="sourceLineNo">095</span> peerId = serializer.deserialize(PeerProcedureStateData.class).getPeerId();<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>
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+</div>
+</body>
+</html>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/04d647a7/devapidocs/src-html/org/apache/hadoop/hbase/master/replication/ModifyPeerProcedure.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/replication/ModifyPeerProcedure.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/replication/ModifyPeerProcedure.html
index 14b454d..647a50b 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/master/replication/ModifyPeerProcedure.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/replication/ModifyPeerProcedure.html
@@ -27,199 +27,140 @@
<span class="sourceLineNo">019</span><a name="line.19"></a>
<span class="sourceLineNo">020</span>import java.io.IOException;<a name="line.20"></a>
<span class="sourceLineNo">021</span>import org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv;<a name="line.21"></a>
-<span class="sourceLineNo">022</span>import org.apache.hadoop.hbase.master.procedure.PeerProcedureInterface;<a name="line.22"></a>
-<span class="sourceLineNo">023</span>import org.apache.hadoop.hbase.master.procedure.ProcedurePrepareLatch;<a name="line.23"></a>
-<span class="sourceLineNo">024</span>import org.apache.hadoop.hbase.procedure2.ProcedureStateSerializer;<a name="line.24"></a>
-<span class="sourceLineNo">025</span>import org.apache.hadoop.hbase.procedure2.ProcedureSuspendedException;<a name="line.25"></a>
-<span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.procedure2.ProcedureYieldException;<a name="line.26"></a>
-<span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.procedure2.StateMachineProcedure;<a name="line.27"></a>
-<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.replication.ReplicationException;<a name="line.28"></a>
-<span class="sourceLineNo">029</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.29"></a>
-<span class="sourceLineNo">030</span>import org.slf4j.Logger;<a name="line.30"></a>
-<span class="sourceLineNo">031</span>import org.slf4j.LoggerFactory;<a name="line.31"></a>
-<span class="sourceLineNo">032</span><a name="line.32"></a>
-<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.ModifyPeerStateData;<a name="line.33"></a>
-<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.PeerModificationState;<a name="line.34"></a>
-<span class="sourceLineNo">035</span><a name="line.35"></a>
-<span class="sourceLineNo">036</span>/**<a name="line.36"></a>
-<span class="sourceLineNo">037</span> * The base class for all replication peer related procedure.<a name="line.37"></a>
-<span class="sourceLineNo">038</span> */<a name="line.38"></a>
-<span class="sourceLineNo">039</span>@InterfaceAudience.Private<a name="line.39"></a>
-<span class="sourceLineNo">040</span>public abstract class ModifyPeerProcedure<a name="line.40"></a>
-<span class="sourceLineNo">041</span> extends StateMachineProcedure<MasterProcedureEnv, PeerModificationState><a name="line.41"></a>
-<span class="sourceLineNo">042</span> implements PeerProcedureInterface {<a name="line.42"></a>
+<span class="sourceLineNo">022</span>import org.apache.hadoop.hbase.master.procedure.ProcedurePrepareLatch;<a name="line.22"></a>
+<span class="sourceLineNo">023</span>import org.apache.hadoop.hbase.procedure2.ProcedureSuspendedException;<a name="line.23"></a>
+<span class="sourceLineNo">024</span>import org.apache.hadoop.hbase.procedure2.ProcedureYieldException;<a name="line.24"></a>
+<span class="sourceLineNo">025</span>import org.apache.hadoop.hbase.replication.ReplicationException;<a name="line.25"></a>
+<span class="sourceLineNo">026</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.26"></a>
+<span class="sourceLineNo">027</span>import org.slf4j.Logger;<a name="line.27"></a>
+<span class="sourceLineNo">028</span>import org.slf4j.LoggerFactory;<a name="line.28"></a>
+<span class="sourceLineNo">029</span><a name="line.29"></a>
+<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.PeerModificationState;<a name="line.30"></a>
+<span class="sourceLineNo">031</span><a name="line.31"></a>
+<span class="sourceLineNo">032</span>/**<a name="line.32"></a>
+<span class="sourceLineNo">033</span> * The base class for all replication peer related procedure except sync replication state<a name="line.33"></a>
+<span class="sourceLineNo">034</span> * transition.<a name="line.34"></a>
+<span class="sourceLineNo">035</span> */<a name="line.35"></a>
+<span class="sourceLineNo">036</span>@InterfaceAudience.Private<a name="line.36"></a>
+<span class="sourceLineNo">037</span>public abstract class ModifyPeerProcedure extends AbstractPeerProcedure<PeerModificationState> {<a name="line.37"></a>
+<span class="sourceLineNo">038</span><a name="line.38"></a>
+<span class="sourceLineNo">039</span> private static final Logger LOG = LoggerFactory.getLogger(ModifyPeerProcedure.class);<a name="line.39"></a>
+<span class="sourceLineNo">040</span><a name="line.40"></a>
+<span class="sourceLineNo">041</span> protected ModifyPeerProcedure() {<a name="line.41"></a>
+<span class="sourceLineNo">042</span> }<a name="line.42"></a>
<span class="sourceLineNo">043</span><a name="line.43"></a>
-<span class="sourceLineNo">044</span> private static final Logger LOG = LoggerFactory.getLogger(ModifyPeerProcedure.class);<a name="line.44"></a>
-<span class="sourceLineNo">045</span><a name="line.45"></a>
-<span class="sourceLineNo">046</span> protected String peerId;<a name="line.46"></a>
+<span class="sourceLineNo">044</span> protected ModifyPeerProcedure(String peerId) {<a name="line.44"></a>
+<span class="sourceLineNo">045</span> super(peerId);<a name="line.45"></a>
+<span class="sourceLineNo">046</span> }<a name="line.46"></a>
<span class="sourceLineNo">047</span><a name="line.47"></a>
-<span class="sourceLineNo">048</span> private volatile boolean locked;<a name="line.48"></a>
-<span class="sourceLineNo">049</span><a name="line.49"></a>
-<span class="sourceLineNo">050</span> // used to keep compatible with old client where we can only returns after updateStorage.<a name="line.50"></a>
-<span class="sourceLineNo">051</span> protected ProcedurePrepareLatch latch;<a name="line.51"></a>
-<span class="sourceLineNo">052</span><a name="line.52"></a>
-<span class="sourceLineNo">053</span> protected ModifyPeerProcedure() {<a name="line.53"></a>
-<span class="sourceLineNo">054</span> }<a name="line.54"></a>
-<span class="sourceLineNo">055</span><a name="line.55"></a>
-<span class="sourceLineNo">056</span> protected ModifyPeerProcedure(String peerId) {<a name="line.56"></a>
-<span class="sourceLineNo">057</span> this.peerId = peerId;<a name="line.57"></a>
-<span class="sourceLineNo">058</span> this.latch = ProcedurePrepareLatch.createLatch(2, 0);<a name="line.58"></a>
-<span class="sourceLineNo">059</span> }<a name="line.59"></a>
-<span class="sourceLineNo">060</span><a name="line.60"></a>
-<span class="sourceLineNo">061</span> public ProcedurePrepareLatch getLatch() {<a name="line.61"></a>
-<span class="sourceLineNo">062</span> return latch;<a name="line.62"></a>
-<span class="sourceLineNo">063</span> }<a name="line.63"></a>
-<span class="sourceLineNo">064</span><a name="line.64"></a>
-<span class="sourceLineNo">065</span> @Override<a name="line.65"></a>
-<span class="sourceLineNo">066</span> public String getPeerId() {<a name="line.66"></a>
-<span class="sourceLineNo">067</span> return peerId;<a name="line.67"></a>
-<span class="sourceLineNo">068</span> }<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> * Called before we start the actual processing. The implementation should call the pre CP hook,<a name="line.71"></a>
-<span class="sourceLineNo">072</span> * and also the pre-check for the peer modification.<a name="line.72"></a>
-<span class="sourceLineNo">073</span> * <p><a name="line.73"></a>
-<span class="sourceLineNo">074</span> * If an IOException is thrown then we will give up and mark the procedure as failed directly. If<a name="line.74"></a>
-<span class="sourceLineNo">075</span> * all checks passes then the procedure can not be rolled back any more.<a name="line.75"></a>
-<span class="sourceLineNo">076</span> */<a name="line.76"></a>
-<span class="sourceLineNo">077</span> protected abstract void prePeerModification(MasterProcedureEnv env)<a name="line.77"></a>
-<span class="sourceLineNo">078</span> throws IOException, ReplicationException;<a name="line.78"></a>
-<span class="sourceLineNo">079</span><a name="line.79"></a>
-<span class="sourceLineNo">080</span> protected abstract void updatePeerStorage(MasterProcedureEnv env) throws ReplicationException;<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> * Called before we finish the procedure. The implementation can do some logging work, and also<a name="line.83"></a>
-<span class="sourceLineNo">084</span> * call the coprocessor hook if any.<a name="line.84"></a>
-<span class="sourceLineNo">085</span> * <p><a name="line.85"></a>
-<span class="sourceLineNo">086</span> * Notice that, since we have already done the actual work, throwing {@code IOException} here will<a name="line.86"></a>
-<span class="sourceLineNo">087</span> * not fail this procedure, we will just ignore it and finish the procedure as suceeded. If<a name="line.87"></a>
-<span class="sourceLineNo">088</span> * {@code ReplicationException} is thrown we will retry since this usually means we fails to<a name="line.88"></a>
-<span class="sourceLineNo">089</span> * update the peer storage.<a name="line.89"></a>
-<span class="sourceLineNo">090</span> */<a name="line.90"></a>
-<span class="sourceLineNo">091</span> protected abstract void postPeerModification(MasterProcedureEnv env)<a name="line.91"></a>
-<span class="sourceLineNo">092</span> throws IOException, ReplicationException;<a name="line.92"></a>
-<span class="sourceLineNo">093</span><a name="line.93"></a>
-<span class="sourceLineNo">094</span> private void releaseLatch() {<a name="line.94"></a>
-<span class="sourceLineNo">095</span> ProcedurePrepareLatch.releaseLatch(latch, this);<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> @Override<a name="line.98"></a>
-<span class="sourceLineNo">099</span> protected Flow executeFromState(MasterProcedureEnv env, PeerModificationState state)<a name="line.99"></a>
-<span class="sourceLineNo">100</span> throws ProcedureSuspendedException, ProcedureYieldException, InterruptedException {<a name="line.100"></a>
-<span class="sourceLineNo">101</span> switch (state) {<a name="line.101"></a>
-<span class="sourceLineNo">102</span> case PRE_PEER_MODIFICATION:<a name="line.102"></a>
-<span class="sourceLineNo">103</span> try {<a name="line.103"></a>
-<span class="sourceLineNo">104</span> prePeerModification(env);<a name="line.104"></a>
-<span class="sourceLineNo">105</span> } catch (IOException e) {<a name="line.105"></a>
-<span class="sourceLineNo">106</span> LOG.warn("{} failed to call pre CP hook or the pre check is failed for peer {}, " +<a name="line.106"></a>
-<span class="sourceLineNo">107</span> "mark the procedure as failure and give up", getClass().getName(), peerId, e);<a name="line.107"></a>
-<span class="sourceLineNo">108</span> setFailure("master-" + getPeerOperationType().name().toLowerCase() + "-peer", e);<a name="line.108"></a>
-<span class="sourceLineNo">109</span> releaseLatch();<a name="line.109"></a>
-<span class="sourceLineNo">110</span> return Flow.NO_MORE_STATE;<a name="line.110"></a>
-<span class="sourceLineNo">111</span> } catch (ReplicationException e) {<a name="line.111"></a>
-<span class="sourceLineNo">112</span> LOG.warn("{} failed to call prePeerModification for peer {}, retry", getClass().getName(),<a name="line.112"></a>
-<span class="sourceLineNo">113</span> peerId, e);<a name="line.113"></a>
-<span class="sourceLineNo">114</span> throw new ProcedureYieldException();<a name="line.114"></a>
-<span class="sourceLineNo">115</span> }<a name="line.115"></a>
-<span class="sourceLineNo">116</span> setNextState(PeerModificationState.UPDATE_PEER_STORAGE);<a name="line.116"></a>
-<span class="sourceLineNo">117</span> return Flow.HAS_MORE_STATE;<a name="line.117"></a>
-<span class="sourceLineNo">118</span> case UPDATE_PEER_STORAGE:<a name="line.118"></a>
-<span class="sourceLineNo">119</span> try {<a name="line.119"></a>
-<span class="sourceLineNo">120</span> updatePeerStorage(env);<a name="line.120"></a>
-<span class="sourceLineNo">121</span> } catch (ReplicationException e) {<a name="line.121"></a>
-<span class="sourceLineNo">122</span> LOG.warn("{} update peer storage for peer {} failed, retry", getClass().getName(), peerId,<a name="line.122"></a>
-<span class="sourceLineNo">123</span> e);<a name="line.123"></a>
-<span class="sourceLineNo">124</span> throw new ProcedureYieldException();<a name="line.124"></a>
-<span class="sourceLineNo">125</span> }<a name="line.125"></a>
-<span class="sourceLineNo">126</span> setNextState(PeerModificationState.REFRESH_PEER_ON_RS);<a name="line.126"></a>
-<span class="sourceLineNo">127</span> return Flow.HAS_MORE_STATE;<a name="line.127"></a>
-<span class="sourceLineNo">128</span> case REFRESH_PEER_ON_RS:<a name="line.128"></a>
-<span class="sourceLineNo">129</span> addChildProcedure(env.getMasterServices().getServerManager().getOnlineServersList().stream()<a name="line.129"></a>
-<span class="sourceLineNo">130</span> .map(sn -> new RefreshPeerProcedure(peerId, getPeerOperationType(), sn))<a name="line.130"></a>
-<span class="sourceLineNo">131</span> .toArray(RefreshPeerProcedure[]::new));<a name="line.131"></a>
-<span class="sourceLineNo">132</span> setNextState(PeerModificationState.POST_PEER_MODIFICATION);<a name="line.132"></a>
-<span class="sourceLineNo">133</span> return Flow.HAS_MORE_STATE;<a name="line.133"></a>
-<span class="sourceLineNo">134</span> case POST_PEER_MODIFICATION:<a name="line.134"></a>
-<span class="sourceLineNo">135</span> try {<a name="line.135"></a>
-<span class="sourceLineNo">136</span> postPeerModification(env);<a name="line.136"></a>
-<span class="sourceLineNo">137</span> } catch (ReplicationException e) {<a name="line.137"></a>
-<span class="sourceLineNo">138</span> LOG.warn("{} failed to call postPeerModification for peer {}, retry",<a name="line.138"></a>
-<span class="sourceLineNo">139</span> getClass().getName(), peerId, e);<a name="line.139"></a>
-<span class="sourceLineNo">140</span> throw new ProcedureYieldException();<a name="line.140"></a>
-<span class="sourceLineNo">141</span> } catch (IOException e) {<a name="line.141"></a>
-<span class="sourceLineNo">142</span> LOG.warn("{} failed to call post CP hook for peer {}, " +<a name="line.142"></a>
-<span class="sourceLineNo">143</span> "ignore since the procedure has already done", getClass().getName(), peerId, e);<a name="line.143"></a>
-<span class="sourceLineNo">144</span> }<a name="line.144"></a>
-<span class="sourceLineNo">145</span> releaseLatch();<a name="line.145"></a>
-<span class="sourceLineNo">146</span> return Flow.NO_MORE_STATE;<a name="line.146"></a>
-<span class="sourceLineNo">147</span> default:<a name="line.147"></a>
-<span class="sourceLineNo">148</span> throw new UnsupportedOperationException("unhandled state=" + state);<a name="line.148"></a>
-<span class="sourceLineNo">149</span> }<a name="line.149"></a>
-<span class="sourceLineNo">150</span> }<a name="line.150"></a>
-<span class="sourceLineNo">151</span><a name="line.151"></a>
-<span class="sourceLineNo">152</span> @Override<a name="line.152"></a>
-<span class="sourceLineNo">153</span> protected LockState acquireLock(MasterProcedureEnv env) {<a name="line.153"></a>
-<span class="sourceLineNo">154</span> if (env.getProcedureScheduler().waitPeerExclusiveLock(this, peerId)) {<a name="line.154"></a>
-<span class="sourceLineNo">155</span> return LockState.LOCK_EVENT_WAIT;<a name="line.155"></a>
-<span class="sourceLineNo">156</span> }<a name="line.156"></a>
-<span class="sourceLineNo">157</span> locked = true;<a name="line.157"></a>
-<span class="sourceLineNo">158</span> return LockState.LOCK_ACQUIRED;<a name="line.158"></a>
-<span class="sourceLineNo">159</span> }<a name="line.159"></a>
-<span class="sourceLineNo">160</span><a name="line.160"></a>
-<span class="sourceLineNo">161</span> @Override<a name="line.161"></a>
-<span class="sourceLineNo">162</span> protected void releaseLock(MasterProcedureEnv env) {<a name="line.162"></a>
-<span class="sourceLineNo">163</span> locked = false;<a name="line.163"></a>
-<span class="sourceLineNo">164</span> env.getProcedureScheduler().wakePeerExclusiveLock(this, peerId);<a name="line.164"></a>
-<span class="sourceLineNo">165</span> }<a name="line.165"></a>
-<span class="sourceLineNo">166</span><a name="line.166"></a>
-<span class="sourceLineNo">167</span> @Override<a name="line.167"></a>
-<span class="sourceLineNo">168</span> protected boolean holdLock(MasterProcedureEnv env) {<a name="line.168"></a>
-<span class="sourceLineNo">169</span> return true;<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> @Override<a name="line.172"></a>
-<span class="sourceLineNo">173</span> protected boolean hasLock(MasterProcedureEnv env) {<a name="line.173"></a>
-<span class="sourceLineNo">174</span> return locked;<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> @Override<a name="line.177"></a>
-<span class="sourceLineNo">178</span> protected void rollbackState(MasterProcedureEnv env, PeerModificationState state)<a name="line.178"></a>
-<span class="sourceLineNo">179</span> throws IOException, InterruptedException {<a name="line.179"></a>
-<span class="sourceLineNo">180</span> if (state == PeerModificationState.PRE_PEER_MODIFICATION) {<a name="line.180"></a>
-<span class="sourceLineNo">181</span> // actually the peer related operations has no rollback, but if we haven't done any<a name="line.181"></a>
-<span class="sourceLineNo">182</span> // modifications on the peer storage yet, we can just return.<a name="line.182"></a>
-<span class="sourceLineNo">183</span> return;<a name="line.183"></a>
-<span class="sourceLineNo">184</span> }<a name="line.184"></a>
-<span class="sourceLineNo">185</span> throw new UnsupportedOperationException();<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> @Override<a name="line.188"></a>
-<span class="sourceLineNo">189</span> protected PeerModificationState getState(int stateId) {<a name="line.189"></a>
-<span class="sourceLineNo">190</span> return PeerModificationState.forNumber(stateId);<a name="line.190"></a>
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-<span class="sourceLineNo">192</span><a name="line.192"></a>
-<span class="sourceLineNo">193</span> @Override<a name="line.193"></a>
-<span class="sourceLineNo">194</span> protected int getStateId(PeerModificationState state) {<a name="line.194"></a>
-<span class="sourceLineNo">195</span> return state.getNumber();<a name="line.195"></a>
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-<span class="sourceLineNo">197</span><a name="line.197"></a>
-<span class="sourceLineNo">198</span> @Override<a name="line.198"></a>
-<span class="sourceLineNo">199</span> protected PeerModificationState getInitialState() {<a name="line.199"></a>
-<span class="sourceLineNo">200</span> return PeerModificationState.PRE_PEER_MODIFICATION;<a name="line.200"></a>
-<span class="sourceLineNo">201</span> }<a name="line.201"></a>
-<span class="sourceLineNo">202</span><a name="line.202"></a>
-<span class="sourceLineNo">203</span> @Override<a name="line.203"></a>
-<span class="sourceLineNo">204</span> protected void serializeStateData(ProcedureStateSerializer serializer) throws IOException {<a name="line.204"></a>
-<span class="sourceLineNo">205</span> super.serializeStateData(serializer);<a name="line.205"></a>
-<span class="sourceLineNo">206</span> serializer.serialize(ModifyPeerStateData.newBuilder().setPeerId(peerId).build());<a name="line.206"></a>
-<span class="sourceLineNo">207</span> }<a name="line.207"></a>
-<span class="sourceLineNo">208</span><a name="line.208"></a>
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+<span class="sourceLineNo">060</span> /**<a name="line.60"></a>
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+<span class="sourceLineNo">063</span> * <p><a name="line.63"></a>
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+<span class="sourceLineNo">109</span> .toArray(RefreshPeerProcedure[]::new));<a name="line.109"></a>
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