[07/51] [partial] hbase-site git commit: Published site at 82d554e3783372cc6b05489452c815b57c06f6cd.

Fri, 12 May 2017 08:00:07 -0700 

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/709b8fcc/devapidocs/src-html/org/apache/hadoop/hbase/client/RpcRetryingCallerWithReadReplicas.ReplicaRegionServerCallable.html
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diff --git 
a/devapidocs/src-html/org/apache/hadoop/hbase/client/RpcRetryingCallerWithReadReplicas.ReplicaRegionServerCallable.html
 
b/devapidocs/src-html/org/apache/hadoop/hbase/client/RpcRetryingCallerWithReadReplicas.ReplicaRegionServerCallable.html
index 2f73534..8204859 100644
--- 
a/devapidocs/src-html/org/apache/hadoop/hbase/client/RpcRetryingCallerWithReadReplicas.ReplicaRegionServerCallable.html
+++ 
b/devapidocs/src-html/org/apache/hadoop/hbase/client/RpcRetryingCallerWithReadReplicas.ReplicaRegionServerCallable.html
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List&lt;RetriesExhaustedException.ThrowableWithExtraContext&gt; exceptions =<a 
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to use for submitting<a name="line.263"></a>
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replica, inclusive<a name="line.265"></a>
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replica, inclusive.<a name="line.266"></a>
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addCallsForReplica(ResultBoundedCompletionService&lt;Result&gt; cs,<a 
name="line.268"></a>
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RegionLocations rl, int min, int max) {<a name="line.269"></a>
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id++) {<a name="line.270"></a>
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rl.getRegionLocation(id);<a name="line.271"></a>
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operationTimeout, id);<a name="line.273"></a>
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getRegionLocations(boolean useCache, int replicaId,<a name="line.277"></a>
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cConnection, TableName tableName, byte[] row)<a name="line.278"></a>
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DoNotRetryIOException, InterruptedIOException {<a name="line.279"></a>
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+<span class="sourceLineNo">299</span>}<a name="line.299"></a>
 
 
 

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/709b8fcc/devapidocs/src-html/org/apache/hadoop/hbase/client/RpcRetryingCallerWithReadReplicas.html
----------------------------------------------------------------------
diff --git 
a/devapidocs/src-html/org/apache/hadoop/hbase/client/RpcRetryingCallerWithReadReplicas.html
 
b/devapidocs/src-html/org/apache/hadoop/hbase/client/RpcRetryingCallerWithReadReplicas.html
index 2f73534..8204859 100644
--- 
a/devapidocs/src-html/org/apache/hadoop/hbase/client/RpcRetryingCallerWithReadReplicas.html
+++ 
b/devapidocs/src-html/org/apache/hadoop/hbase/client/RpcRetryingCallerWithReadReplicas.html
@@ -217,92 +217,94 @@
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DoNotRetryIOException) {<a name="line.244"></a>
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name="line.262"></a>
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addCallsForReplica(ResultBoundedCompletionService&lt;Result&gt; cs,<a 
name="line.266"></a>
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RegionLocations rl, int min, int max) {<a name="line.267"></a>
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id++) {<a name="line.268"></a>
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rl.getRegionLocation(id);<a name="line.269"></a>
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callOnReplica = new ReplicaRegionServerCallable(id, hrl);<a name="line.270"></a>
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getRegionLocations(boolean useCache, int replicaId,<a name="line.275"></a>
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DoNotRetryIOException, InterruptedIOException {<a name="line.277"></a>
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name="line.279"></a>
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name="line.281"></a>
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cConnection.relocateRegion(tableName, row, replicaId);<a name="line.282"></a>
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cConnection.locateRegion(tableName, row, useCache, true, replicaId);<a 
name="line.284"></a>
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InterruptedIOException | RetriesExhaustedException e) {<a name="line.286"></a>
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name="line.288"></a>
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RetriesExhaustedException("Can't get the location", e);<a name="line.289"></a>
-<span class="sourceLineNo">290</span>    }<a name="line.290"></a>
-<span class="sourceLineNo">291</span>    if (rl == null) {<a 
name="line.291"></a>
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RetriesExhaustedException("Can't get the locations");<a name="line.292"></a>
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-<span class="sourceLineNo">294</span><a name="line.294"></a>
-<span class="sourceLineNo">295</span>    return rl;<a name="line.295"></a>
-<span class="sourceLineNo">296</span>  }<a name="line.296"></a>
-<span class="sourceLineNo">297</span>}<a name="line.297"></a>
+<span class="sourceLineNo">221</span>    } catch (InterruptedException e) {<a 
name="line.221"></a>
+<span class="sourceLineNo">222</span>      throw new 
InterruptedIOException();<a name="line.222"></a>
+<span class="sourceLineNo">223</span>    } finally {<a name="line.223"></a>
+<span class="sourceLineNo">224</span>      // We get there because we were 
interrupted or because one or more of the<a name="line.224"></a>
+<span class="sourceLineNo">225</span>      // calls succeeded or failed. In 
all case, we stop all our tasks.<a name="line.225"></a>
+<span class="sourceLineNo">226</span>      cs.cancelAll();<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>    LOG.error("Imposible? Arrive at an 
unreachable line..."); // unreachable<a name="line.229"></a>
+<span class="sourceLineNo">230</span>    return null; // unreachable<a 
name="line.230"></a>
+<span class="sourceLineNo">231</span>  }<a name="line.231"></a>
+<span class="sourceLineNo">232</span><a name="line.232"></a>
+<span class="sourceLineNo">233</span>  /**<a name="line.233"></a>
+<span class="sourceLineNo">234</span>   * Extract the real exception from the 
ExecutionException, and throws what makes more<a name="line.234"></a>
+<span class="sourceLineNo">235</span>   * sense.<a name="line.235"></a>
+<span class="sourceLineNo">236</span>   */<a name="line.236"></a>
+<span class="sourceLineNo">237</span>  static void 
throwEnrichedException(ExecutionException e, int retries)<a name="line.237"></a>
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DoNotRetryIOException {<a name="line.238"></a>
+<span class="sourceLineNo">239</span>    Throwable t = e.getCause();<a 
name="line.239"></a>
+<span class="sourceLineNo">240</span>    assert t != null; // That's what 
ExecutionException is about: holding an exception<a name="line.240"></a>
+<span class="sourceLineNo">241</span><a name="line.241"></a>
+<span class="sourceLineNo">242</span>    if (t instanceof 
RetriesExhaustedException) {<a name="line.242"></a>
+<span class="sourceLineNo">243</span>      throw (RetriesExhaustedException) 
t;<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>    if (t instanceof 
DoNotRetryIOException) {<a name="line.246"></a>
+<span class="sourceLineNo">247</span>      throw (DoNotRetryIOException) t;<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>    
RetriesExhaustedException.ThrowableWithExtraContext qt =<a name="line.250"></a>
+<span class="sourceLineNo">251</span>        new 
RetriesExhaustedException.ThrowableWithExtraContext(t,<a name="line.251"></a>
+<span class="sourceLineNo">252</span>            
EnvironmentEdgeManager.currentTime(), null);<a name="line.252"></a>
+<span class="sourceLineNo">253</span><a name="line.253"></a>
+<span class="sourceLineNo">254</span>    
List&lt;RetriesExhaustedException.ThrowableWithExtraContext&gt; exceptions =<a 
name="line.254"></a>
+<span class="sourceLineNo">255</span>        Collections.singletonList(qt);<a 
name="line.255"></a>
+<span class="sourceLineNo">256</span><a name="line.256"></a>
+<span class="sourceLineNo">257</span>    throw new 
RetriesExhaustedException(retries, exceptions);<a name="line.257"></a>
+<span class="sourceLineNo">258</span>  }<a name="line.258"></a>
+<span class="sourceLineNo">259</span><a name="line.259"></a>
+<span class="sourceLineNo">260</span>  /**<a name="line.260"></a>
+<span class="sourceLineNo">261</span>   * Creates the calls and submit them<a 
name="line.261"></a>
+<span class="sourceLineNo">262</span>   *<a name="line.262"></a>
+<span class="sourceLineNo">263</span>   * @param cs  - the completion service 
to use for submitting<a name="line.263"></a>
+<span class="sourceLineNo">264</span>   * @param rl  - the region locations<a 
name="line.264"></a>
+<span class="sourceLineNo">265</span>   * @param min - the id of the first 
replica, inclusive<a name="line.265"></a>
+<span class="sourceLineNo">266</span>   * @param max - the id of the last 
replica, inclusive.<a name="line.266"></a>
+<span class="sourceLineNo">267</span>   */<a name="line.267"></a>
+<span class="sourceLineNo">268</span>  private void 
addCallsForReplica(ResultBoundedCompletionService&lt;Result&gt; cs,<a 
name="line.268"></a>
+<span class="sourceLineNo">269</span>                                 
RegionLocations rl, int min, int max) {<a name="line.269"></a>
+<span class="sourceLineNo">270</span>    for (int id = min; id &lt;= max; 
id++) {<a name="line.270"></a>
+<span class="sourceLineNo">271</span>      HRegionLocation hrl = 
rl.getRegionLocation(id);<a name="line.271"></a>
+<span class="sourceLineNo">272</span>      ReplicaRegionServerCallable 
callOnReplica = new ReplicaRegionServerCallable(id, hrl);<a name="line.272"></a>
+<span class="sourceLineNo">273</span>      cs.submit(callOnReplica, 
operationTimeout, id);<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>  static RegionLocations 
getRegionLocations(boolean useCache, int replicaId,<a name="line.277"></a>
+<span class="sourceLineNo">278</span>                 ClusterConnection 
cConnection, TableName tableName, byte[] row)<a name="line.278"></a>
+<span class="sourceLineNo">279</span>      throws RetriesExhaustedException, 
DoNotRetryIOException, InterruptedIOException {<a name="line.279"></a>
+<span class="sourceLineNo">280</span><a name="line.280"></a>
+<span class="sourceLineNo">281</span>    RegionLocations rl;<a 
name="line.281"></a>
+<span class="sourceLineNo">282</span>    try {<a name="line.282"></a>
+<span class="sourceLineNo">283</span>      if (!useCache) {<a 
name="line.283"></a>
+<span class="sourceLineNo">284</span>        rl = 
cConnection.relocateRegion(tableName, row, replicaId);<a name="line.284"></a>
+<span class="sourceLineNo">285</span>      } else {<a name="line.285"></a>
+<span class="sourceLineNo">286</span>        rl = 
cConnection.locateRegion(tableName, row, useCache, true, replicaId);<a 
name="line.286"></a>
+<span class="sourceLineNo">287</span>      }<a name="line.287"></a>
+<span class="sourceLineNo">288</span>    } catch (DoNotRetryIOException | 
InterruptedIOException | RetriesExhaustedException e) {<a name="line.288"></a>
+<span class="sourceLineNo">289</span>      throw e;<a name="line.289"></a>
+<span class="sourceLineNo">290</span>    } catch (IOException e) {<a 
name="line.290"></a>
+<span class="sourceLineNo">291</span>      throw new 
RetriesExhaustedException("Can't get the location", e);<a name="line.291"></a>
+<span class="sourceLineNo">292</span>    }<a name="line.292"></a>
+<span class="sourceLineNo">293</span>    if (rl == null) {<a 
name="line.293"></a>
+<span class="sourceLineNo">294</span>      throw new 
RetriesExhaustedException("Can't get the locations");<a name="line.294"></a>
+<span class="sourceLineNo">295</span>    }<a name="line.295"></a>
+<span class="sourceLineNo">296</span><a name="line.296"></a>
+<span class="sourceLineNo">297</span>    return rl;<a name="line.297"></a>
+<span class="sourceLineNo">298</span>  }<a name="line.298"></a>
+<span class="sourceLineNo">299</span>}<a name="line.299"></a>

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