You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@hbase.apache.org by gi...@apache.org on 2018/09/08 14:52:53 UTC
[41/50] hbase-site git commit: Published site at
b04b4b0fd127db81f8186ff55091fd033cf1b0c4.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/96fdb1fe/devapidocs/src-html/org/apache/hadoop/hbase/Version.html
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diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/Version.html b/devapidocs/src-html/org/apache/hadoop/hbase/Version.html
index b4bf156..da78484 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/Version.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/Version.html
@@ -16,11 +16,11 @@
<span class="sourceLineNo">008</span>@InterfaceAudience.Private<a name="line.8"></a>
<span class="sourceLineNo">009</span>public class Version {<a name="line.9"></a>
<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 = "24f2893059e745aa6691cdd6cb37fc248880b3b9";<a name="line.11"></a>
+<span class="sourceLineNo">011</span> public static final String revision = "b04b4b0fd127db81f8186ff55091fd033cf1b0c4";<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 = "Fri Sep 7 14:43:58 UTC 2018";<a name="line.13"></a>
+<span class="sourceLineNo">013</span> public static final String date = "Sat Sep 8 14:43:27 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 = "7b31fbf46eb4d4d18049c8be8d853a38";<a name="line.15"></a>
+<span class="sourceLineNo">015</span> public static final String srcChecksum = "ba30c63d76f1c91d7e957ee6d52f1d27";<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/96fdb1fe/devapidocs/src-html/org/apache/hadoop/hbase/master/procedure/ProcedureSyncWait.Predicate.html
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diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/procedure/ProcedureSyncWait.Predicate.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/procedure/ProcedureSyncWait.Predicate.html
index 40397c6..d4452ff 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/master/procedure/ProcedureSyncWait.Predicate.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/procedure/ProcedureSyncWait.Predicate.html
@@ -48,196 +48,205 @@
<span class="sourceLineNo">040</span>import org.slf4j.Logger;<a name="line.40"></a>
<span class="sourceLineNo">041</span>import org.slf4j.LoggerFactory;<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> * Helper to synchronously wait on conditions.<a name="line.44"></a>
-<span class="sourceLineNo">045</span> * This will be removed in the future (mainly when the AssignmentManager will be<a name="line.45"></a>
-<span class="sourceLineNo">046</span> * replaced with a Procedure version) by using ProcedureYieldException,<a name="line.46"></a>
-<span class="sourceLineNo">047</span> * and the queue will handle waiting and scheduling based on events.<a name="line.47"></a>
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-<span class="sourceLineNo">050</span>@InterfaceStability.Evolving<a name="line.50"></a>
-<span class="sourceLineNo">051</span>public final class ProcedureSyncWait {<a name="line.51"></a>
-<span class="sourceLineNo">052</span> private static final Logger LOG = LoggerFactory.getLogger(ProcedureSyncWait.class);<a name="line.52"></a>
-<span class="sourceLineNo">053</span><a name="line.53"></a>
-<span class="sourceLineNo">054</span> private ProcedureSyncWait() {}<a name="line.54"></a>
+<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ProcedureProtos.ProcedureState;<a name="line.43"></a>
+<span class="sourceLineNo">044</span><a name="line.44"></a>
+<span class="sourceLineNo">045</span>/**<a name="line.45"></a>
+<span class="sourceLineNo">046</span> * Helper to synchronously wait on conditions.<a name="line.46"></a>
+<span class="sourceLineNo">047</span> * This will be removed in the future (mainly when the AssignmentManager will be<a name="line.47"></a>
+<span class="sourceLineNo">048</span> * replaced with a Procedure version) by using ProcedureYieldException,<a name="line.48"></a>
+<span class="sourceLineNo">049</span> * and the queue will handle waiting and scheduling based on events.<a name="line.49"></a>
+<span class="sourceLineNo">050</span> */<a name="line.50"></a>
+<span class="sourceLineNo">051</span>@InterfaceAudience.Private<a name="line.51"></a>
+<span class="sourceLineNo">052</span>@InterfaceStability.Evolving<a name="line.52"></a>
+<span class="sourceLineNo">053</span>public final class ProcedureSyncWait {<a name="line.53"></a>
+<span class="sourceLineNo">054</span> private static final Logger LOG = LoggerFactory.getLogger(ProcedureSyncWait.class);<a name="line.54"></a>
<span class="sourceLineNo">055</span><a name="line.55"></a>
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-<span class="sourceLineNo">085</span> try {<a name="line.85"></a>
-<span class="sourceLineNo">086</span> return waitForProcedureToComplete(procExec, proc, Long.MAX_VALUE);<a name="line.86"></a>
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-<span class="sourceLineNo">088</span> throw new ExecutionException(e);<a name="line.88"></a>
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-<span class="sourceLineNo">093</span> public byte[] get(long timeout, TimeUnit unit)<a name="line.93"></a>
-<span class="sourceLineNo">094</span> throws InterruptedException, ExecutionException, TimeoutException {<a name="line.94"></a>
-<span class="sourceLineNo">095</span> if (hasResult) return result;<a name="line.95"></a>
-<span class="sourceLineNo">096</span> try {<a name="line.96"></a>
-<span class="sourceLineNo">097</span> result = waitForProcedureToComplete(procExec, proc, unit.toMillis(timeout));<a name="line.97"></a>
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-<span class="sourceLineNo">099</span> return result;<a name="line.99"></a>
-<span class="sourceLineNo">100</span> } catch (TimeoutIOException e) {<a name="line.100"></a>
-<span class="sourceLineNo">101</span> throw new TimeoutException(e.getMessage());<a name="line.101"></a>
-<span class="sourceLineNo">102</span> } catch (Exception e) {<a name="line.102"></a>
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-<span class="sourceLineNo">107</span><a name="line.107"></a>
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-<span class="sourceLineNo">109</span> final Procedure<MasterProcedureEnv> proc) {<a name="line.109"></a>
-<span class="sourceLineNo">110</span> if (proc.isInitializing()) {<a name="line.110"></a>
-<span class="sourceLineNo">111</span> procExec.submitProcedure(proc);<a name="line.111"></a>
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-<span class="sourceLineNo">115</span><a name="line.115"></a>
-<span class="sourceLineNo">116</span> public static byte[] submitAndWaitProcedure(ProcedureExecutor<MasterProcedureEnv> procExec,<a name="line.116"></a>
-<span class="sourceLineNo">117</span> final Procedure<MasterProcedureEnv> proc) throws IOException {<a name="line.117"></a>
-<span class="sourceLineNo">118</span> if (proc.isInitializing()) {<a name="line.118"></a>
-<span class="sourceLineNo">119</span> procExec.submitProcedure(proc);<a name="line.119"></a>
-<span class="sourceLineNo">120</span> }<a name="line.120"></a>
-<span class="sourceLineNo">121</span> return waitForProcedureToCompleteIOE(procExec, proc, Long.MAX_VALUE);<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> public static byte[] waitForProcedureToCompleteIOE(<a name="line.124"></a>
-<span class="sourceLineNo">125</span> final ProcedureExecutor<MasterProcedureEnv> procExec,<a name="line.125"></a>
-<span class="sourceLineNo">126</span> final Procedure<?> proc, final long timeout)<a name="line.126"></a>
-<span class="sourceLineNo">127</span> throws IOException {<a name="line.127"></a>
-<span class="sourceLineNo">128</span> try {<a name="line.128"></a>
-<span class="sourceLineNo">129</span> return waitForProcedureToComplete(procExec, proc, timeout);<a name="line.129"></a>
-<span class="sourceLineNo">130</span> } catch (IOException e) {<a name="line.130"></a>
-<span class="sourceLineNo">131</span> throw e;<a name="line.131"></a>
-<span class="sourceLineNo">132</span> } catch (Exception e) {<a name="line.132"></a>
-<span class="sourceLineNo">133</span> throw new IOException(e);<a name="line.133"></a>
-<span class="sourceLineNo">134</span> }<a name="line.134"></a>
-<span class="sourceLineNo">135</span> }<a name="line.135"></a>
-<span class="sourceLineNo">136</span><a name="line.136"></a>
-<span class="sourceLineNo">137</span> public static byte[] waitForProcedureToComplete(<a name="line.137"></a>
-<span class="sourceLineNo">138</span> final ProcedureExecutor<MasterProcedureEnv> procExec,<a name="line.138"></a>
-<span class="sourceLineNo">139</span> final Procedure<?> proc, final long timeout)<a name="line.139"></a>
-<span class="sourceLineNo">140</span> throws IOException {<a name="line.140"></a>
-<span class="sourceLineNo">141</span> waitFor(procExec.getEnvironment(), "pid=" + proc.getProcId(),<a name="line.141"></a>
-<span class="sourceLineNo">142</span> new ProcedureSyncWait.Predicate<Boolean>() {<a name="line.142"></a>
-<span class="sourceLineNo">143</span> @Override<a name="line.143"></a>
-<span class="sourceLineNo">144</span> public Boolean evaluate() throws IOException {<a name="line.144"></a>
-<span class="sourceLineNo">145</span> return !procExec.isRunning() || procExec.isFinished(proc.getProcId());<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> );<a name="line.148"></a>
-<span class="sourceLineNo">149</span><a name="line.149"></a>
-<span class="sourceLineNo">150</span> if (!procExec.isRunning()) {<a name="line.150"></a>
-<span class="sourceLineNo">151</span> throw new IOException("The Master is Aborting");<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> if (proc.hasException()) {<a name="line.154"></a>
-<span class="sourceLineNo">155</span> // If the procedure fails, we should always have an exception captured. Throw it.<a name="line.155"></a>
-<span class="sourceLineNo">156</span> throw proc.getException().unwrapRemoteIOException();<a name="line.156"></a>
-<span class="sourceLineNo">157</span> } else {<a name="line.157"></a>
-<span class="sourceLineNo">158</span> return proc.getResult();<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><a name="line.161"></a>
-<span class="sourceLineNo">162</span> public static <T> T waitFor(MasterProcedureEnv env, String purpose, Predicate<T> predicate)<a name="line.162"></a>
-<span class="sourceLineNo">163</span> throws IOException {<a name="line.163"></a>
-<span class="sourceLineNo">164</span> final Configuration conf = env.getMasterConfiguration();<a name="line.164"></a>
-<span class="sourceLineNo">165</span> final long waitTime = conf.getLong("hbase.master.wait.on.region", 5 * 60 * 1000);<a name="line.165"></a>
-<span class="sourceLineNo">166</span> final long waitingTimeForEvents = conf.getInt("hbase.master.event.waiting.time", 1000);<a name="line.166"></a>
-<span class="sourceLineNo">167</span> return waitFor(env, waitTime, waitingTimeForEvents, purpose, predicate);<a name="line.167"></a>
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-<span class="sourceLineNo">169</span><a name="line.169"></a>
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-<span class="sourceLineNo">182</span> LOG.warn("Interrupted while sleeping, waiting on " + purpose);<a name="line.182"></a>
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-<span class="sourceLineNo">188</span> if (!logged) LOG.debug("waitFor " + purpose);<a name="line.188"></a>
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-<span class="sourceLineNo">193</span> throw new TimeoutIOException("Timed out while waiting on " + purpose);<a name="line.193"></a>
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-<span class="sourceLineNo">201</span> throw new NotAllMetaRegionsOnlineException();<a name="line.201"></a>
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-<span class="sourceLineNo">210</span> final RegionStates states = env.getAssignmentManager().getRegionStates();<a name="line.210"></a>
-<span class="sourceLineNo">211</span> for (final RegionInfo region : regions) {<a name="line.211"></a>
-<span class="sourceLineNo">212</span> ProcedureSyncWait.waitFor(env, "regions " + region.getRegionNameAsString() + " in transition",<a name="line.212"></a>
-<span class="sourceLineNo">213</span> new ProcedureSyncWait.Predicate<Boolean>() {<a name="line.213"></a>
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-<span class="sourceLineNo">215</span> public Boolean evaluate() throws IOException {<a name="line.215"></a>
-<span class="sourceLineNo">216</span> return !states.isRegionInTransition(region);<a name="line.216"></a>
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-<span class="sourceLineNo">224</span> return ProcedureSyncWait.waitFor(env, "quota manager to be available",<a name="line.224"></a>
-<span class="sourceLineNo">225</span> new ProcedureSyncWait.Predicate<MasterQuotaManager>() {<a name="line.225"></a>
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-<span class="sourceLineNo">228</span> return env.getMasterServices().getMasterQuotaManager();<a name="line.228"></a>
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+<span class="sourceLineNo">056</span> private ProcedureSyncWait() {}<a name="line.56"></a>
+<span class="sourceLineNo">057</span><a name="line.57"></a>
+<span class="sourceLineNo">058</span> @InterfaceAudience.Private<a name="line.58"></a>
+<span class="sourceLineNo">059</span> public interface Predicate<T> {<a name="line.59"></a>
+<span class="sourceLineNo">060</span> T evaluate() throws IOException;<a name="line.60"></a>
+<span class="sourceLineNo">061</span> }<a name="line.61"></a>
+<span class="sourceLineNo">062</span><a name="line.62"></a>
+<span class="sourceLineNo">063</span> private static class ProcedureFuture implements Future<byte[]> {<a name="line.63"></a>
+<span class="sourceLineNo">064</span> private final ProcedureExecutor<MasterProcedureEnv> procExec;<a name="line.64"></a>
+<span class="sourceLineNo">065</span> private final Procedure<?> proc;<a name="line.65"></a>
+<span class="sourceLineNo">066</span><a name="line.66"></a>
+<span class="sourceLineNo">067</span> private boolean hasResult = false;<a name="line.67"></a>
+<span class="sourceLineNo">068</span> private byte[] result = null;<a name="line.68"></a>
+<span class="sourceLineNo">069</span><a name="line.69"></a>
+<span class="sourceLineNo">070</span> public ProcedureFuture(ProcedureExecutor<MasterProcedureEnv> procExec, Procedure<?> proc) {<a name="line.70"></a>
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+<span class="sourceLineNo">074</span><a name="line.74"></a>
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+<span class="sourceLineNo">078</span> @Override<a name="line.78"></a>
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+<span class="sourceLineNo">080</span><a name="line.80"></a>
+<span class="sourceLineNo">081</span> @Override<a name="line.81"></a>
+<span class="sourceLineNo">082</span> public boolean isDone() { return hasResult; }<a name="line.82"></a>
+<span class="sourceLineNo">083</span><a name="line.83"></a>
+<span class="sourceLineNo">084</span> @Override<a name="line.84"></a>
+<span class="sourceLineNo">085</span> public byte[] get() throws InterruptedException, ExecutionException {<a name="line.85"></a>
+<span class="sourceLineNo">086</span> if (hasResult) return result;<a name="line.86"></a>
+<span class="sourceLineNo">087</span> try {<a name="line.87"></a>
+<span class="sourceLineNo">088</span> return waitForProcedureToComplete(procExec, proc, Long.MAX_VALUE);<a name="line.88"></a>
+<span class="sourceLineNo">089</span> } catch (Exception e) {<a name="line.89"></a>
+<span class="sourceLineNo">090</span> throw new ExecutionException(e);<a name="line.90"></a>
+<span class="sourceLineNo">091</span> }<a name="line.91"></a>
+<span class="sourceLineNo">092</span> }<a name="line.92"></a>
+<span class="sourceLineNo">093</span><a name="line.93"></a>
+<span class="sourceLineNo">094</span> @Override<a name="line.94"></a>
+<span class="sourceLineNo">095</span> public byte[] get(long timeout, TimeUnit unit)<a name="line.95"></a>
+<span class="sourceLineNo">096</span> throws InterruptedException, ExecutionException, TimeoutException {<a name="line.96"></a>
+<span class="sourceLineNo">097</span> if (hasResult) return result;<a name="line.97"></a>
+<span class="sourceLineNo">098</span> try {<a name="line.98"></a>
+<span class="sourceLineNo">099</span> result = waitForProcedureToComplete(procExec, proc, unit.toMillis(timeout));<a name="line.99"></a>
+<span class="sourceLineNo">100</span> hasResult = true;<a name="line.100"></a>
+<span class="sourceLineNo">101</span> return result;<a name="line.101"></a>
+<span class="sourceLineNo">102</span> } catch (TimeoutIOException e) {<a name="line.102"></a>
+<span class="sourceLineNo">103</span> throw new TimeoutException(e.getMessage());<a name="line.103"></a>
+<span class="sourceLineNo">104</span> } catch (Exception e) {<a name="line.104"></a>
+<span class="sourceLineNo">105</span> throw new ExecutionException(e);<a name="line.105"></a>
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+<span class="sourceLineNo">107</span> }<a name="line.107"></a>
+<span class="sourceLineNo">108</span> }<a name="line.108"></a>
+<span class="sourceLineNo">109</span><a name="line.109"></a>
+<span class="sourceLineNo">110</span> public static Future<byte[]> submitProcedure(final ProcedureExecutor<MasterProcedureEnv> procExec,<a name="line.110"></a>
+<span class="sourceLineNo">111</span> final Procedure<MasterProcedureEnv> proc) {<a name="line.111"></a>
+<span class="sourceLineNo">112</span> if (proc.isInitializing()) {<a name="line.112"></a>
+<span class="sourceLineNo">113</span> procExec.submitProcedure(proc);<a name="line.113"></a>
+<span class="sourceLineNo">114</span> }<a name="line.114"></a>
+<span class="sourceLineNo">115</span> return new ProcedureFuture(procExec, proc);<a name="line.115"></a>
+<span class="sourceLineNo">116</span> }<a name="line.116"></a>
+<span class="sourceLineNo">117</span><a name="line.117"></a>
+<span class="sourceLineNo">118</span> public static byte[] submitAndWaitProcedure(ProcedureExecutor<MasterProcedureEnv> procExec,<a name="line.118"></a>
+<span class="sourceLineNo">119</span> final Procedure<MasterProcedureEnv> proc) throws IOException {<a name="line.119"></a>
+<span class="sourceLineNo">120</span> if (proc.isInitializing()) {<a name="line.120"></a>
+<span class="sourceLineNo">121</span> procExec.submitProcedure(proc);<a name="line.121"></a>
+<span class="sourceLineNo">122</span> }<a name="line.122"></a>
+<span class="sourceLineNo">123</span> return waitForProcedureToCompleteIOE(procExec, proc, Long.MAX_VALUE);<a name="line.123"></a>
+<span class="sourceLineNo">124</span> }<a name="line.124"></a>
+<span class="sourceLineNo">125</span><a name="line.125"></a>
+<span class="sourceLineNo">126</span> public static byte[] waitForProcedureToCompleteIOE(<a name="line.126"></a>
+<span class="sourceLineNo">127</span> final ProcedureExecutor<MasterProcedureEnv> procExec,<a name="line.127"></a>
+<span class="sourceLineNo">128</span> final Procedure<?> proc, final long timeout)<a name="line.128"></a>
+<span class="sourceLineNo">129</span> throws IOException {<a name="line.129"></a>
+<span class="sourceLineNo">130</span> try {<a name="line.130"></a>
+<span class="sourceLineNo">131</span> return waitForProcedureToComplete(procExec, proc, timeout);<a name="line.131"></a>
+<span class="sourceLineNo">132</span> } catch (IOException e) {<a name="line.132"></a>
+<span class="sourceLineNo">133</span> throw e;<a name="line.133"></a>
+<span class="sourceLineNo">134</span> } catch (Exception e) {<a name="line.134"></a>
+<span class="sourceLineNo">135</span> throw new IOException(e);<a name="line.135"></a>
+<span class="sourceLineNo">136</span> }<a name="line.136"></a>
+<span class="sourceLineNo">137</span> }<a name="line.137"></a>
+<span class="sourceLineNo">138</span><a name="line.138"></a>
+<span class="sourceLineNo">139</span> public static byte[] waitForProcedureToComplete(<a name="line.139"></a>
+<span class="sourceLineNo">140</span> final ProcedureExecutor<MasterProcedureEnv> procExec, final Procedure<?> proc,<a name="line.140"></a>
+<span class="sourceLineNo">141</span> final long timeout) throws IOException {<a name="line.141"></a>
+<span class="sourceLineNo">142</span> waitFor(procExec.getEnvironment(), "pid=" + proc.getProcId(),<a name="line.142"></a>
+<span class="sourceLineNo">143</span> new ProcedureSyncWait.Predicate<Boolean>() {<a name="line.143"></a>
+<span class="sourceLineNo">144</span> @Override<a name="line.144"></a>
+<span class="sourceLineNo">145</span> public Boolean evaluate() throws IOException {<a name="line.145"></a>
+<span class="sourceLineNo">146</span> if (!procExec.isRunning()) {<a name="line.146"></a>
+<span class="sourceLineNo">147</span> return true;<a name="line.147"></a>
+<span class="sourceLineNo">148</span> }<a name="line.148"></a>
+<span class="sourceLineNo">149</span> ProcedureState state = proc.getState();<a name="line.149"></a>
+<span class="sourceLineNo">150</span> if (state == ProcedureState.INITIALIZING || state == ProcedureState.RUNNABLE) {<a name="line.150"></a>
+<span class="sourceLineNo">151</span> // under these states the procedure may have not been added to procExec yet, so do not<a name="line.151"></a>
+<span class="sourceLineNo">152</span> // use isFinished to test whether it is finished, as this method will just check if the<a name="line.152"></a>
+<span class="sourceLineNo">153</span> // procedure is in the running procedure list<a name="line.153"></a>
+<span class="sourceLineNo">154</span> return false;<a name="line.154"></a>
+<span class="sourceLineNo">155</span> }<a name="line.155"></a>
+<span class="sourceLineNo">156</span> return procExec.isFinished(proc.getProcId());<a name="line.156"></a>
+<span class="sourceLineNo">157</span> }<a name="line.157"></a>
+<span class="sourceLineNo">158</span> });<a name="line.158"></a>
+<span class="sourceLineNo">159</span> if (!procExec.isRunning()) {<a name="line.159"></a>
+<span class="sourceLineNo">160</span> throw new IOException("The Master is Aborting");<a name="line.160"></a>
+<span class="sourceLineNo">161</span> }<a name="line.161"></a>
+<span class="sourceLineNo">162</span><a name="line.162"></a>
+<span class="sourceLineNo">163</span> if (proc.hasException()) {<a name="line.163"></a>
+<span class="sourceLineNo">164</span> // If the procedure fails, we should always have an exception captured. Throw it.<a name="line.164"></a>
+<span class="sourceLineNo">165</span> throw proc.getException().unwrapRemoteIOException();<a name="line.165"></a>
+<span class="sourceLineNo">166</span> } else {<a name="line.166"></a>
+<span class="sourceLineNo">167</span> return proc.getResult();<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> public static <T> T waitFor(MasterProcedureEnv env, String purpose, Predicate<T> predicate)<a name="line.171"></a>
+<span class="sourceLineNo">172</span> throws IOException {<a name="line.172"></a>
+<span class="sourceLineNo">173</span> final Configuration conf = env.getMasterConfiguration();<a name="line.173"></a>
+<span class="sourceLineNo">174</span> final long waitTime = conf.getLong("hbase.master.wait.on.region", 5 * 60 * 1000);<a name="line.174"></a>
+<span class="sourceLineNo">175</span> final long waitingTimeForEvents = conf.getInt("hbase.master.event.waiting.time", 1000);<a name="line.175"></a>
+<span class="sourceLineNo">176</span> return waitFor(env, waitTime, waitingTimeForEvents, purpose, predicate);<a name="line.176"></a>
+<span class="sourceLineNo">177</span> }<a name="line.177"></a>
+<span class="sourceLineNo">178</span><a name="line.178"></a>
+<span class="sourceLineNo">179</span> public static <T> T waitFor(MasterProcedureEnv env, long waitTime, long waitingTimeForEvents,<a name="line.179"></a>
+<span class="sourceLineNo">180</span> String purpose, Predicate<T> predicate) throws IOException {<a name="line.180"></a>
+<span class="sourceLineNo">181</span> final long done = EnvironmentEdgeManager.currentTime() + waitTime;<a name="line.181"></a>
+<span class="sourceLineNo">182</span> boolean logged = false;<a name="line.182"></a>
+<span class="sourceLineNo">183</span> do {<a name="line.183"></a>
+<span class="sourceLineNo">184</span> T result = predicate.evaluate();<a name="line.184"></a>
+<span class="sourceLineNo">185</span> if (result != null && !result.equals(Boolean.FALSE)) {<a name="line.185"></a>
+<span class="sourceLineNo">186</span> return result;<a name="line.186"></a>
+<span class="sourceLineNo">187</span> }<a name="line.187"></a>
+<span class="sourceLineNo">188</span> try {<a name="line.188"></a>
+<span class="sourceLineNo">189</span> Thread.sleep(waitingTimeForEvents);<a name="line.189"></a>
+<span class="sourceLineNo">190</span> } catch (InterruptedException e) {<a name="line.190"></a>
+<span class="sourceLineNo">191</span> LOG.warn("Interrupted while sleeping, waiting on " + purpose);<a name="line.191"></a>
+<span class="sourceLineNo">192</span> throw (InterruptedIOException)new InterruptedIOException().initCause(e);<a name="line.192"></a>
+<span class="sourceLineNo">193</span> }<a name="line.193"></a>
+<span class="sourceLineNo">194</span> if (LOG.isTraceEnabled()) {<a name="line.194"></a>
+<span class="sourceLineNo">195</span> LOG.trace("waitFor " + purpose);<a name="line.195"></a>
+<span class="sourceLineNo">196</span> } else {<a name="line.196"></a>
+<span class="sourceLineNo">197</span> if (!logged) LOG.debug("waitFor " + purpose);<a name="line.197"></a>
+<span class="sourceLineNo">198</span> }<a name="line.198"></a>
+<span class="sourceLineNo">199</span> logged = true;<a name="line.199"></a>
+<span class="sourceLineNo">200</span> } while (EnvironmentEdgeManager.currentTime() < done && env.isRunning());<a name="line.200"></a>
+<span class="sourceLineNo">201</span><a name="line.201"></a>
+<span class="sourceLineNo">202</span> throw new TimeoutIOException("Timed out while waiting on " + purpose);<a name="line.202"></a>
+<span class="sourceLineNo">203</span> }<a name="line.203"></a>
+<span class="sourceLineNo">204</span><a name="line.204"></a>
+<span class="sourceLineNo">205</span> protected static void waitMetaRegions(final MasterProcedureEnv env) throws IOException {<a name="line.205"></a>
+<span class="sourceLineNo">206</span> int timeout = env.getMasterConfiguration().getInt("hbase.client.catalog.timeout", 10000);<a name="line.206"></a>
+<span class="sourceLineNo">207</span> try {<a name="line.207"></a>
+<span class="sourceLineNo">208</span> if (env.getMasterServices().getMetaTableLocator().waitMetaRegionLocation(<a name="line.208"></a>
+<span class="sourceLineNo">209</span> env.getMasterServices().getZooKeeper(), timeout) == null) {<a name="line.209"></a>
+<span class="sourceLineNo">210</span> throw new NotAllMetaRegionsOnlineException();<a name="line.210"></a>
+<span class="sourceLineNo">211</span> }<a name="line.211"></a>
+<span class="sourceLineNo">212</span> } catch (InterruptedException e) {<a name="line.212"></a>
+<span class="sourceLineNo">213</span> throw (InterruptedIOException)new InterruptedIOException().initCause(e);<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>
+<span class="sourceLineNo">216</span><a name="line.216"></a>
+<span class="sourceLineNo">217</span> protected static void waitRegionInTransition(final MasterProcedureEnv env,<a name="line.217"></a>
+<span class="sourceLineNo">218</span> final List<RegionInfo> regions) throws IOException {<a name="line.218"></a>
+<span class="sourceLineNo">219</span> final RegionStates states = env.getAssignmentManager().getRegionStates();<a name="line.219"></a>
+<span class="sourceLineNo">220</span> for (final RegionInfo region : regions) {<a name="line.220"></a>
+<span class="sourceLineNo">221</span> ProcedureSyncWait.waitFor(env, "regions " + region.getRegionNameAsString() + " in transition",<a name="line.221"></a>
+<span class="sourceLineNo">222</span> new ProcedureSyncWait.Predicate<Boolean>() {<a name="line.222"></a>
+<span class="sourceLineNo">223</span> @Override<a name="line.223"></a>
+<span class="sourceLineNo">224</span> public Boolean evaluate() throws IOException {<a name="line.224"></a>
+<span class="sourceLineNo">225</span> return !states.isRegionInTransition(region);<a name="line.225"></a>
+<span class="sourceLineNo">226</span> }<a name="line.226"></a>
+<span class="sourceLineNo">227</span> });<a name="line.227"></a>
+<span class="sourceLineNo">228</span> }<a name="line.228"></a>
+<span class="sourceLineNo">229</span> }<a name="line.229"></a>
+<span class="sourceLineNo">230</span><a name="line.230"></a>
+<span class="sourceLineNo">231</span> protected static MasterQuotaManager getMasterQuotaManager(final MasterProcedureEnv env)<a name="line.231"></a>
+<span class="sourceLineNo">232</span> throws IOException {<a name="line.232"></a>
+<span class="sourceLineNo">233</span> return ProcedureSyncWait.waitFor(env, "quota manager to be available",<a name="line.233"></a>
+<span class="sourceLineNo">234</span> new ProcedureSyncWait.Predicate<MasterQuotaManager>() {<a name="line.234"></a>
+<span class="sourceLineNo">235</span> @Override<a name="line.235"></a>
+<span class="sourceLineNo">236</span> public MasterQuotaManager evaluate() throws IOException {<a name="line.236"></a>
+<span class="sourceLineNo">237</span> return env.getMasterServices().getMasterQuotaManager();<a name="line.237"></a>
+<span class="sourceLineNo">238</span> }<a name="line.238"></a>
+<span class="sourceLineNo">239</span> });<a name="line.239"></a>
+<span class="sourceLineNo">240</span> }<a name="line.240"></a>
+<span class="sourceLineNo">241</span>}<a name="line.241"></a>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/96fdb1fe/devapidocs/src-html/org/apache/hadoop/hbase/master/procedure/ProcedureSyncWait.ProcedureFuture.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/procedure/ProcedureSyncWait.ProcedureFuture.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/procedure/ProcedureSyncWait.ProcedureFuture.html
index 40397c6..d4452ff 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/master/procedure/ProcedureSyncWait.ProcedureFuture.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/procedure/ProcedureSyncWait.ProcedureFuture.html
@@ -48,196 +48,205 @@
<span class="sourceLineNo">040</span>import org.slf4j.Logger;<a name="line.40"></a>
<span class="sourceLineNo">041</span>import org.slf4j.LoggerFactory;<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> * Helper to synchronously wait on conditions.<a name="line.44"></a>
-<span class="sourceLineNo">045</span> * This will be removed in the future (mainly when the AssignmentManager will be<a name="line.45"></a>
-<span class="sourceLineNo">046</span> * replaced with a Procedure version) by using ProcedureYieldException,<a name="line.46"></a>
-<span class="sourceLineNo">047</span> * and the queue will handle waiting and scheduling based on events.<a name="line.47"></a>
-<span class="sourceLineNo">048</span> */<a name="line.48"></a>
-<span class="sourceLineNo">049</span>@InterfaceAudience.Private<a name="line.49"></a>
-<span class="sourceLineNo">050</span>@InterfaceStability.Evolving<a name="line.50"></a>
-<span class="sourceLineNo">051</span>public final class ProcedureSyncWait {<a name="line.51"></a>
-<span class="sourceLineNo">052</span> private static final Logger LOG = LoggerFactory.getLogger(ProcedureSyncWait.class);<a name="line.52"></a>
-<span class="sourceLineNo">053</span><a name="line.53"></a>
-<span class="sourceLineNo">054</span> private ProcedureSyncWait() {}<a name="line.54"></a>
+<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ProcedureProtos.ProcedureState;<a name="line.43"></a>
+<span class="sourceLineNo">044</span><a name="line.44"></a>
+<span class="sourceLineNo">045</span>/**<a name="line.45"></a>
+<span class="sourceLineNo">046</span> * Helper to synchronously wait on conditions.<a name="line.46"></a>
+<span class="sourceLineNo">047</span> * This will be removed in the future (mainly when the AssignmentManager will be<a name="line.47"></a>
+<span class="sourceLineNo">048</span> * replaced with a Procedure version) by using ProcedureYieldException,<a name="line.48"></a>
+<span class="sourceLineNo">049</span> * and the queue will handle waiting and scheduling based on events.<a name="line.49"></a>
+<span class="sourceLineNo">050</span> */<a name="line.50"></a>
+<span class="sourceLineNo">051</span>@InterfaceAudience.Private<a name="line.51"></a>
+<span class="sourceLineNo">052</span>@InterfaceStability.Evolving<a name="line.52"></a>
+<span class="sourceLineNo">053</span>public final class ProcedureSyncWait {<a name="line.53"></a>
+<span class="sourceLineNo">054</span> private static final Logger LOG = LoggerFactory.getLogger(ProcedureSyncWait.class);<a name="line.54"></a>
<span class="sourceLineNo">055</span><a name="line.55"></a>
-<span class="sourceLineNo">056</span> @InterfaceAudience.Private<a name="line.56"></a>
-<span class="sourceLineNo">057</span> public interface Predicate<T> {<a name="line.57"></a>
-<span class="sourceLineNo">058</span> T evaluate() throws IOException;<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> private static class ProcedureFuture implements Future<byte[]> {<a name="line.61"></a>
-<span class="sourceLineNo">062</span> private final ProcedureExecutor<MasterProcedureEnv> procExec;<a name="line.62"></a>
-<span class="sourceLineNo">063</span> private final Procedure<?> proc;<a name="line.63"></a>
-<span class="sourceLineNo">064</span><a name="line.64"></a>
-<span class="sourceLineNo">065</span> private boolean hasResult = false;<a name="line.65"></a>
-<span class="sourceLineNo">066</span> private byte[] result = null;<a name="line.66"></a>
-<span class="sourceLineNo">067</span><a name="line.67"></a>
-<span class="sourceLineNo">068</span> public ProcedureFuture(ProcedureExecutor<MasterProcedureEnv> procExec, Procedure<?> proc) {<a name="line.68"></a>
-<span class="sourceLineNo">069</span> this.procExec = procExec;<a name="line.69"></a>
-<span class="sourceLineNo">070</span> this.proc = proc;<a name="line.70"></a>
-<span class="sourceLineNo">071</span> }<a name="line.71"></a>
-<span class="sourceLineNo">072</span><a name="line.72"></a>
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-<span class="sourceLineNo">075</span><a name="line.75"></a>
-<span class="sourceLineNo">076</span> @Override<a name="line.76"></a>
-<span class="sourceLineNo">077</span> public boolean isCancelled() { return false; }<a name="line.77"></a>
-<span class="sourceLineNo">078</span><a name="line.78"></a>
-<span class="sourceLineNo">079</span> @Override<a name="line.79"></a>
-<span class="sourceLineNo">080</span> public boolean isDone() { return hasResult; }<a name="line.80"></a>
-<span class="sourceLineNo">081</span><a name="line.81"></a>
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-<span class="sourceLineNo">084</span> if (hasResult) return result;<a name="line.84"></a>
-<span class="sourceLineNo">085</span> try {<a name="line.85"></a>
-<span class="sourceLineNo">086</span> return waitForProcedureToComplete(procExec, proc, Long.MAX_VALUE);<a name="line.86"></a>
-<span class="sourceLineNo">087</span> } catch (Exception e) {<a name="line.87"></a>
-<span class="sourceLineNo">088</span> throw new ExecutionException(e);<a name="line.88"></a>
-<span class="sourceLineNo">089</span> }<a name="line.89"></a>
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-<span class="sourceLineNo">093</span> public byte[] get(long timeout, TimeUnit unit)<a name="line.93"></a>
-<span class="sourceLineNo">094</span> throws InterruptedException, ExecutionException, TimeoutException {<a name="line.94"></a>
-<span class="sourceLineNo">095</span> if (hasResult) return result;<a name="line.95"></a>
-<span class="sourceLineNo">096</span> try {<a name="line.96"></a>
-<span class="sourceLineNo">097</span> result = waitForProcedureToComplete(procExec, proc, unit.toMillis(timeout));<a name="line.97"></a>
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