[10/23] incubator-omid-site git commit: [wagon-git] commit to branch asf-site 7/1/16 3:49 PM

[fperezsorrosal]

http://git-wip-us.apache.org/repos/asf/incubator-omid-site/blob/49fbc5e7/xref/org/apache/omid/transaction/AbstractTransactionManager.html
----------------------------------------------------------------------
diff --git a/xref/org/apache/omid/transaction/AbstractTransactionManager.html 
b/xref/org/apache/omid/transaction/AbstractTransactionManager.html
index 956a6fc..457e05d 100644
--- a/xref/org/apache/omid/transaction/AbstractTransactionManager.html
+++ b/xref/org/apache/omid/transaction/AbstractTransactionManager.html
@@ -123,7 +123,7 @@
 <a class="jxr_linenumber" name="113" href="#113">113</a> 
 <a class="jxr_linenumber" name="114" href="#114">114</a>     <em 
class="jxr_javadoccomment">/**</em>
 <a class="jxr_linenumber" name="115" href="#115">115</a> <em 
class="jxr_javadoccomment">     * Allows transaction manager developers to 
perform actions before creating a transaction.</em>
-<a class="jxr_linenumber" name="116" href="#116">116</a> <em 
class="jxr_javadoccomment">     * @throws TransactionManagerException in case 
of any issues</em>
+<a class="jxr_linenumber" name="116" href="#116">116</a> <em 
class="jxr_javadoccomment">     * @throws TransactionManagerException</em>
 <a class="jxr_linenumber" name="117" href="#117">117</a> <em 
class="jxr_javadoccomment">     */</em>
 <a class="jxr_linenumber" name="118" href="#118">118</a>     <strong 
class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> 
preBegin() <strong class="jxr_keyword">throws</strong> 
TransactionManagerException {}
 <a class="jxr_linenumber" name="119" href="#119">119</a> 
@@ -173,7 +173,7 @@
 <a class="jxr_linenumber" name="163" href="#163">163</a> <em 
class="jxr_javadoccomment">     * Allows transaction manager developers to 
perform actions after having started a transaction.</em>
 <a class="jxr_linenumber" name="164" href="#164">164</a> <em 
class="jxr_javadoccomment">     * @param transaction</em>
 <a class="jxr_linenumber" name="165" href="#165">165</a> <em 
class="jxr_javadoccomment">     *            the transaction that was just 
created.</em>
-<a class="jxr_linenumber" name="166" href="#166">166</a> <em 
class="jxr_javadoccomment">     * @throws TransactionManagerException  in case 
of any issues</em>
+<a class="jxr_linenumber" name="166" href="#166">166</a> <em 
class="jxr_javadoccomment">     * @throws TransactionManagerException</em>
 <a class="jxr_linenumber" name="167" href="#167">167</a> <em 
class="jxr_javadoccomment">     */</em>
 <a class="jxr_linenumber" name="168" href="#168">168</a>     <strong 
class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> 
postBegin(AbstractTransaction&lt;? <strong class="jxr_keyword">extends</strong> 
CellId&gt; transaction) <strong class="jxr_keyword">throws</strong> 
TransactionManagerException {}
 <a class="jxr_linenumber" name="169" href="#169">169</a> 
@@ -181,7 +181,7 @@
 <a class="jxr_linenumber" name="171" href="#171">171</a> <em 
class="jxr_javadoccomment">     * Allows transaction manager developers to 
perform actions before committing a transaction.</em>
 <a class="jxr_linenumber" name="172" href="#172">172</a> <em 
class="jxr_javadoccomment">     * @param transaction</em>
 <a class="jxr_linenumber" name="173" href="#173">173</a> <em 
class="jxr_javadoccomment">     *            the transaction that is going to 
be committed.</em>
-<a class="jxr_linenumber" name="174" href="#174">174</a> <em 
class="jxr_javadoccomment">     * @throws TransactionManagerException  in case 
of any issues</em>
+<a class="jxr_linenumber" name="174" href="#174">174</a> <em 
class="jxr_javadoccomment">     * @throws TransactionManagerException</em>
 <a class="jxr_linenumber" name="175" href="#175">175</a> <em 
class="jxr_javadoccomment">     */</em>
 <a class="jxr_linenumber" name="176" href="#176">176</a>     <strong 
class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> 
preCommit(AbstractTransaction&lt;? <strong class="jxr_keyword">extends</strong> 
CellId&gt; transaction) <strong class="jxr_keyword">throws</strong> 
TransactionManagerException {}
 <a class="jxr_linenumber" name="177" href="#177">177</a> 
@@ -227,283 +227,284 @@
 <a class="jxr_linenumber" name="217" href="#217">217</a> <em 
class="jxr_javadoccomment">     * Allows transaction manager developers to 
perform actions after committing a transaction.</em>
 <a class="jxr_linenumber" name="218" href="#218">218</a> <em 
class="jxr_javadoccomment">     * @param transaction</em>
 <a class="jxr_linenumber" name="219" href="#219">219</a> <em 
class="jxr_javadoccomment">     *            the transaction that was 
committed.</em>
-<a class="jxr_linenumber" name="220" href="#220">220</a> <em 
class="jxr_javadoccomment">     * @throws TransactionManagerException in case 
of any issues</em>
+<a class="jxr_linenumber" name="220" href="#220">220</a> <em 
class="jxr_javadoccomment">     * @throws TransactionManagerException</em>
 <a class="jxr_linenumber" name="221" href="#221">221</a> <em 
class="jxr_javadoccomment">     */</em>
 <a class="jxr_linenumber" name="222" href="#222">222</a>     <strong 
class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> 
postCommit(AbstractTransaction&lt;? <strong 
class="jxr_keyword">extends</strong> CellId&gt; transaction) <strong 
class="jxr_keyword">throws</strong> TransactionManagerException {}
 <a class="jxr_linenumber" name="223" href="#223">223</a> 
 <a class="jxr_linenumber" name="224" href="#224">224</a>     <em 
class="jxr_javadoccomment">/**</em>
 <a class="jxr_linenumber" name="225" href="#225">225</a> <em 
class="jxr_javadoccomment">     * Allows transaction manager developers to 
perform actions before rolling-back a transaction.</em>
-<a class="jxr_linenumber" name="226" href="#226">226</a> <em 
class="jxr_javadoccomment">     * @param transaction the transaction that is 
going to be rolled-back.</em>
-<a class="jxr_linenumber" name="227" href="#227">227</a> <em 
class="jxr_javadoccomment">     * @throws TransactionManagerException in case 
of any issues</em>
-<a class="jxr_linenumber" name="228" href="#228">228</a> <em 
class="jxr_javadoccomment">     */</em>
-<a class="jxr_linenumber" name="229" href="#229">229</a>     <strong 
class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> 
preRollback(AbstractTransaction&lt;? <strong 
class="jxr_keyword">extends</strong> CellId&gt; transaction) <strong 
class="jxr_keyword">throws</strong> TransactionManagerException {}
-<a class="jxr_linenumber" name="230" href="#230">230</a> 
-<a class="jxr_linenumber" name="231" href="#231">231</a>     <em 
class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="232" href="#232">232</a> <em 
class="jxr_javadoccomment">     * @see 
org.apache.omid.transaction.TransactionManager#rollback(Transaction)</em>
-<a class="jxr_linenumber" name="233" href="#233">233</a> <em 
class="jxr_javadoccomment">     */</em>
-<a class="jxr_linenumber" name="234" href="#234">234</a>     @Override
-<a class="jxr_linenumber" name="235" href="#235">235</a>     <strong 
class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> 
<strong class="jxr_keyword">void</strong> rollback(<a 
href="../../../../org/apache/omid/transaction/Transaction.html">Transaction</a> 
transaction) <strong class="jxr_keyword">throws</strong> TransactionException {
-<a class="jxr_linenumber" name="236" href="#236">236</a> 
-<a class="jxr_linenumber" name="237" href="#237">237</a>         
AbstractTransaction&lt;? <strong class="jxr_keyword">extends</strong> 
CellId&gt; tx = enforceAbstractTransactionAsParam(transaction);
-<a class="jxr_linenumber" name="238" href="#238">238</a>         
enforceTransactionIsInRunningState(tx);
-<a class="jxr_linenumber" name="239" href="#239">239</a> 
-<a class="jxr_linenumber" name="240" href="#240">240</a>         <strong 
class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="241" href="#241">241</a> 
-<a class="jxr_linenumber" name="242" href="#242">242</a>             
preRollback(tx);
-<a class="jxr_linenumber" name="243" href="#243">243</a> 
-<a class="jxr_linenumber" name="244" href="#244">244</a>             <em 
class="jxr_comment">// Make sure its commit timestamp is 0, so the cleanup does 
the right job</em>
-<a class="jxr_linenumber" name="245" href="#245">245</a>             
tx.setCommitTimestamp(0);
-<a class="jxr_linenumber" name="246" href="#246">246</a>             
tx.setStatus(Status.ROLLEDBACK);
-<a class="jxr_linenumber" name="247" href="#247">247</a> 
-<a class="jxr_linenumber" name="248" href="#248">248</a>             
postRollback(tx);
-<a class="jxr_linenumber" name="249" href="#249">249</a> 
-<a class="jxr_linenumber" name="250" href="#250">250</a>         } <strong 
class="jxr_keyword">catch</strong> (TransactionManagerException e) {
-<a class="jxr_linenumber" name="251" href="#251">251</a>             <strong 
class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a 
href="../../../../org/apache/omid/transaction/TransactionException.html">TransactionException</a>(e.getMessage(),
 e);
-<a class="jxr_linenumber" name="252" href="#252">252</a>         } <strong 
class="jxr_keyword">finally</strong> {
-<a class="jxr_linenumber" name="253" href="#253">253</a>             
tx.cleanup();
-<a class="jxr_linenumber" name="254" href="#254">254</a>         }
-<a class="jxr_linenumber" name="255" href="#255">255</a> 
-<a class="jxr_linenumber" name="256" href="#256">256</a>     }
-<a class="jxr_linenumber" name="257" href="#257">257</a> 
-<a class="jxr_linenumber" name="258" href="#258">258</a>     <em 
class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="259" href="#259">259</a> <em 
class="jxr_javadoccomment">     * Allows transaction manager developers to 
perform actions after rolling-back a transaction.</em>
-<a class="jxr_linenumber" name="260" href="#260">260</a> <em 
class="jxr_javadoccomment">     * @param transaction</em>
-<a class="jxr_linenumber" name="261" href="#261">261</a> <em 
class="jxr_javadoccomment">     *            the transaction that was 
rolled-back.</em>
-<a class="jxr_linenumber" name="262" href="#262">262</a> <em 
class="jxr_javadoccomment">     * @throws TransactionManagerException in case 
of any issues</em>
-<a class="jxr_linenumber" name="263" href="#263">263</a> <em 
class="jxr_javadoccomment">     */</em>
-<a class="jxr_linenumber" name="264" href="#264">264</a>     <strong 
class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> 
postRollback(AbstractTransaction&lt;? <strong 
class="jxr_keyword">extends</strong> CellId&gt; transaction) <strong 
class="jxr_keyword">throws</strong> TransactionManagerException {}
-<a class="jxr_linenumber" name="265" href="#265">265</a> 
-<a class="jxr_linenumber" name="266" href="#266">266</a>     <em 
class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="267" href="#267">267</a> <em 
class="jxr_javadoccomment">     * Check if the transaction commit data is in 
the shadow cell</em>
-<a class="jxr_linenumber" name="268" href="#268">268</a> <em 
class="jxr_javadoccomment">     * @param cellStartTimestamp</em>
-<a class="jxr_linenumber" name="269" href="#269">269</a> <em 
class="jxr_javadoccomment">     *            the transaction start 
timestamp</em>
-<a class="jxr_linenumber" name="270" href="#270">270</a> <em 
class="jxr_javadoccomment">     *        locator</em>
-<a class="jxr_linenumber" name="271" href="#271">271</a> <em 
class="jxr_javadoccomment">     *            the timestamp locator</em>
-<a class="jxr_linenumber" name="272" href="#272">272</a> <em 
class="jxr_javadoccomment">     * @throws IOException</em>
-<a class="jxr_linenumber" name="273" href="#273">273</a> <em 
class="jxr_javadoccomment">     */</em>
-<a class="jxr_linenumber" name="274" href="#274">274</a>     
Optional&lt;CommitTimestamp&gt; readCommitTimestampFromShadowCell(<strong 
class="jxr_keyword">long</strong> cellStartTimestamp, <a 
href="../../../../org/apache/omid/transaction/CommitTimestampLocator.html">CommitTimestampLocator</a>
 locator)
-<a class="jxr_linenumber" name="275" href="#275">275</a>             <strong 
class="jxr_keyword">throws</strong> IOException
-<a class="jxr_linenumber" name="276" href="#276">276</a>     {
-<a class="jxr_linenumber" name="277" href="#277">277</a> 
-<a class="jxr_linenumber" name="278" href="#278">278</a>         
Optional&lt;CommitTimestamp&gt; commitTS = Optional.absent();
-<a class="jxr_linenumber" name="279" href="#279">279</a> 
-<a class="jxr_linenumber" name="280" href="#280">280</a>         
Optional&lt;Long&gt; commitTimestamp = 
locator.readCommitTimestampFromShadowCell(cellStartTimestamp);
-<a class="jxr_linenumber" name="281" href="#281">281</a>         <strong 
class="jxr_keyword">if</strong> (commitTimestamp.isPresent()) {
-<a class="jxr_linenumber" name="282" href="#282">282</a>             commitTS 
= Optional.of(<strong class="jxr_keyword">new</strong> <a 
href="../../../../org/apache/omid/committable/CommitTable.html">CommitTimestamp</a>(SHADOW_CELL,
 commitTimestamp.get(), <strong class="jxr_keyword">true</strong>)); <em 
class="jxr_comment">// Valid commit TS</em>
-<a class="jxr_linenumber" name="283" href="#283">283</a>         }
-<a class="jxr_linenumber" name="284" href="#284">284</a> 
-<a class="jxr_linenumber" name="285" href="#285">285</a>         <strong 
class="jxr_keyword">return</strong> commitTS;
-<a class="jxr_linenumber" name="286" href="#286">286</a>     }
-<a class="jxr_linenumber" name="287" href="#287">287</a> 
-<a class="jxr_linenumber" name="288" href="#288">288</a>     <em 
class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="289" href="#289">289</a> <em 
class="jxr_javadoccomment">     * This function returns the commit timestamp 
for a particular cell if the transaction was already committed in</em>
-<a class="jxr_linenumber" name="290" href="#290">290</a> <em 
class="jxr_javadoccomment">     * the system. In case the transaction was not 
committed and the cell was written by transaction initialized by a</em>
-<a class="jxr_linenumber" name="291" href="#291">291</a> <em 
class="jxr_javadoccomment">     * previous TSO server, an invalidation try 
occurs.</em>
-<a class="jxr_linenumber" name="292" href="#292">292</a> <em 
class="jxr_javadoccomment">     * Otherwise the function returns a value that 
indicates that the commit timestamp was not found.</em>
-<a class="jxr_linenumber" name="293" href="#293">293</a> <em 
class="jxr_javadoccomment">     * @param cellStartTimestamp</em>
-<a class="jxr_linenumber" name="294" href="#294">294</a> <em 
class="jxr_javadoccomment">     *          start timestamp of the cell to 
locate the commit timestamp for.</em>
-<a class="jxr_linenumber" name="295" href="#295">295</a> <em 
class="jxr_javadoccomment">     * @param epoch</em>
-<a class="jxr_linenumber" name="296" href="#296">296</a> <em 
class="jxr_javadoccomment">     *          the epoch of the TSO server the 
current tso client is working with.</em>
-<a class="jxr_linenumber" name="297" href="#297">297</a> <em 
class="jxr_javadoccomment">     * @param locator</em>
-<a class="jxr_linenumber" name="298" href="#298">298</a> <em 
class="jxr_javadoccomment">     *          a locator to find the commit 
timestamp in the system.</em>
-<a class="jxr_linenumber" name="299" href="#299">299</a> <em 
class="jxr_javadoccomment">     * @return the commit timestamp joint with the 
location where it was found</em>
-<a class="jxr_linenumber" name="300" href="#300">300</a> <em 
class="jxr_javadoccomment">     *         or an object indicating that it was 
not found in the system</em>
-<a class="jxr_linenumber" name="301" href="#301">301</a> <em 
class="jxr_javadoccomment">     * @throws IOException  in case of any I/O 
issues</em>
-<a class="jxr_linenumber" name="302" href="#302">302</a> <em 
class="jxr_javadoccomment">     */</em>
-<a class="jxr_linenumber" name="303" href="#303">303</a>     <strong 
class="jxr_keyword">public</strong> <a 
href="../../../../org/apache/omid/committable/CommitTable.html">CommitTimestamp</a>
 locateCellCommitTimestamp(<strong class="jxr_keyword">long</strong> 
cellStartTimestamp, <strong class="jxr_keyword">long</strong> epoch,
-<a class="jxr_linenumber" name="304" href="#304">304</a>                       
                               <a 
href="../../../../org/apache/omid/transaction/CommitTimestampLocator.html">CommitTimestampLocator</a>
 locator) <strong class="jxr_keyword">throws</strong> IOException {
-<a class="jxr_linenumber" name="305" href="#305">305</a> 
-<a class="jxr_linenumber" name="306" href="#306">306</a>         <strong 
class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="307" href="#307">307</a>             <em 
class="jxr_comment">// 1) First check the cache</em>
-<a class="jxr_linenumber" name="308" href="#308">308</a>             
Optional&lt;Long&gt; commitTimestamp = 
locator.readCommitTimestampFromCache(cellStartTimestamp);
-<a class="jxr_linenumber" name="309" href="#309">309</a>             <strong 
class="jxr_keyword">if</strong> (commitTimestamp.isPresent()) { <em 
class="jxr_comment">// Valid commit timestamp</em>
-<a class="jxr_linenumber" name="310" href="#310">310</a>                 
<strong class="jxr_keyword">return</strong> <strong 
class="jxr_keyword">new</strong> <a 
href="../../../../org/apache/omid/committable/CommitTable.html">CommitTimestamp</a>(CACHE,
 commitTimestamp.get(), <strong class="jxr_keyword">true</strong>);
-<a class="jxr_linenumber" name="311" href="#311">311</a>             }
-<a class="jxr_linenumber" name="312" href="#312">312</a> 
-<a class="jxr_linenumber" name="313" href="#313">313</a>             <em 
class="jxr_comment">// 2) Then check the commit table</em>
-<a class="jxr_linenumber" name="314" href="#314">314</a>             <em 
class="jxr_comment">// If the data was written at a previous epoch, check 
whether the transaction was invalidated</em>
-<a class="jxr_linenumber" name="315" href="#315">315</a>             
Optional&lt;CommitTimestamp&gt; commitTimeStamp = 
commitTableClient.getCommitTimestamp(cellStartTimestamp).get();
-<a class="jxr_linenumber" name="316" href="#316">316</a>             <strong 
class="jxr_keyword">if</strong> (commitTimeStamp.isPresent()) {
-<a class="jxr_linenumber" name="317" href="#317">317</a>                 
<strong class="jxr_keyword">return</strong> commitTimeStamp.get();
-<a class="jxr_linenumber" name="318" href="#318">318</a>             }
-<a class="jxr_linenumber" name="319" href="#319">319</a> 
-<a class="jxr_linenumber" name="320" href="#320">320</a>             <em 
class="jxr_comment">// 3) Read from shadow cell</em>
-<a class="jxr_linenumber" name="321" href="#321">321</a>             
commitTimeStamp = readCommitTimestampFromShadowCell(cellStartTimestamp, 
locator);
-<a class="jxr_linenumber" name="322" href="#322">322</a>             <strong 
class="jxr_keyword">if</strong> (commitTimeStamp.isPresent()) {
-<a class="jxr_linenumber" name="323" href="#323">323</a>                 
<strong class="jxr_keyword">return</strong> commitTimeStamp.get();
-<a class="jxr_linenumber" name="324" href="#324">324</a>             }
-<a class="jxr_linenumber" name="325" href="#325">325</a> 
-<a class="jxr_linenumber" name="326" href="#326">326</a>             <em 
class="jxr_comment">// 4) Check the epoch and invalidate the entry</em>
-<a class="jxr_linenumber" name="327" href="#327">327</a>             <em 
class="jxr_comment">// if the data was written by a transaction from a previous 
epoch (previous TSO)</em>
-<a class="jxr_linenumber" name="328" href="#328">328</a>             <strong 
class="jxr_keyword">if</strong> (cellStartTimestamp &lt; epoch) {
-<a class="jxr_linenumber" name="329" href="#329">329</a>                 
<strong class="jxr_keyword">boolean</strong> invalidated = 
commitTableClient.tryInvalidateTransaction(cellStartTimestamp).get();
-<a class="jxr_linenumber" name="330" href="#330">330</a>                 
<strong class="jxr_keyword">if</strong> (invalidated) { <em 
class="jxr_comment">// Invalid commit timestamp</em>
-<a class="jxr_linenumber" name="331" href="#331">331</a>                     
<strong class="jxr_keyword">return</strong> <strong 
class="jxr_keyword">new</strong> <a 
href="../../../../org/apache/omid/committable/CommitTable.html">CommitTimestamp</a>(COMMIT_TABLE,
 CommitTable.INVALID_TRANSACTION_MARKER, false);
-<a class="jxr_linenumber" name="332" href="#332">332</a>                 }
-<a class="jxr_linenumber" name="333" href="#333">333</a>             }
-<a class="jxr_linenumber" name="334" href="#334">334</a> 
-<a class="jxr_linenumber" name="335" href="#335">335</a>             <em 
class="jxr_comment">// 5) We did not manage to invalidate the transactions then 
check the commit table</em>
-<a class="jxr_linenumber" name="336" href="#336">336</a>             
commitTimeStamp = 
commitTableClient.getCommitTimestamp(cellStartTimestamp).get();
-<a class="jxr_linenumber" name="337" href="#337">337</a>             <strong 
class="jxr_keyword">if</strong> (commitTimeStamp.isPresent()) {
-<a class="jxr_linenumber" name="338" href="#338">338</a>                 
<strong class="jxr_keyword">return</strong> commitTimeStamp.get();
-<a class="jxr_linenumber" name="339" href="#339">339</a>             }
-<a class="jxr_linenumber" name="340" href="#340">340</a> 
-<a class="jxr_linenumber" name="341" href="#341">341</a>             <em 
class="jxr_comment">// 6) Read from shadow cell</em>
-<a class="jxr_linenumber" name="342" href="#342">342</a>             
commitTimeStamp = readCommitTimestampFromShadowCell(cellStartTimestamp, 
locator);
-<a class="jxr_linenumber" name="343" href="#343">343</a>             <strong 
class="jxr_keyword">if</strong> (commitTimeStamp.isPresent()) {
-<a class="jxr_linenumber" name="344" href="#344">344</a>                 
<strong class="jxr_keyword">return</strong> commitTimeStamp.get();
-<a class="jxr_linenumber" name="345" href="#345">345</a>             }
-<a class="jxr_linenumber" name="346" href="#346">346</a> 
-<a class="jxr_linenumber" name="347" href="#347">347</a>             <em 
class="jxr_comment">// *) Otherwise return not found</em>
-<a class="jxr_linenumber" name="348" href="#348">348</a>             <strong 
class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a 
href="../../../../org/apache/omid/committable/CommitTable.html">CommitTimestamp</a>(NOT_PRESENT,
 -1L <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> 
TODO Check if we should return this */</em>, <strong 
class="jxr_keyword">true</strong>);
-<a class="jxr_linenumber" name="349" href="#349">349</a>         } <strong 
class="jxr_keyword">catch</strong> (InterruptedException e) {
-<a class="jxr_linenumber" name="350" href="#350">350</a>             
Thread.currentThread().interrupt();
-<a class="jxr_linenumber" name="351" href="#351">351</a>             <strong 
class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> 
IOException(<span class="jxr_string">"Interrupted while finding commit 
timestamp"</span>, e);
-<a class="jxr_linenumber" name="352" href="#352">352</a>         } <strong 
class="jxr_keyword">catch</strong> (ExecutionException e) {
-<a class="jxr_linenumber" name="353" href="#353">353</a>             <strong 
class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> 
IOException(<span class="jxr_string">"Problem finding commit timestamp"</span>, 
e);
-<a class="jxr_linenumber" name="354" href="#354">354</a>         }
-<a class="jxr_linenumber" name="355" href="#355">355</a> 
-<a class="jxr_linenumber" name="356" href="#356">356</a>     }
-<a class="jxr_linenumber" name="357" href="#357">357</a> 
-<a class="jxr_linenumber" name="358" href="#358">358</a>     <em 
class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="359" href="#359">359</a> <em 
class="jxr_javadoccomment">     * @see java.io.Closeable#close()</em>
-<a class="jxr_linenumber" name="360" href="#360">360</a> <em 
class="jxr_javadoccomment">     */</em>
-<a class="jxr_linenumber" name="361" href="#361">361</a>     @Override
-<a class="jxr_linenumber" name="362" href="#362">362</a>     <strong 
class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> 
<strong class="jxr_keyword">void</strong> close() <strong 
class="jxr_keyword">throws</strong> IOException {
-<a class="jxr_linenumber" name="363" href="#363">363</a> 
-<a class="jxr_linenumber" name="364" href="#364">364</a>         
tsoClient.close();
-<a class="jxr_linenumber" name="365" href="#365">365</a>         
commitTableClient.close();
-<a class="jxr_linenumber" name="366" href="#366">366</a> 
-<a class="jxr_linenumber" name="367" href="#367">367</a>     }
-<a class="jxr_linenumber" name="368" href="#368">368</a> 
-<a class="jxr_linenumber" name="369" href="#369">369</a>     <em 
class="jxr_comment">// 
----------------------------------------------------------------------------------------------------------------</em>
-<a class="jxr_linenumber" name="370" href="#370">370</a>     <em 
class="jxr_comment">// Helper methods</em>
-<a class="jxr_linenumber" name="371" href="#371">371</a>     <em 
class="jxr_comment">// 
----------------------------------------------------------------------------------------------------------------</em>
-<a class="jxr_linenumber" name="372" href="#372">372</a> 
-<a class="jxr_linenumber" name="373" href="#373">373</a>     <strong 
class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> 
enforceTransactionIsInRunningState(<a 
href="../../../../org/apache/omid/transaction/Transaction.html">Transaction</a> 
transaction) {
-<a class="jxr_linenumber" name="374" href="#374">374</a> 
-<a class="jxr_linenumber" name="375" href="#375">375</a>         <strong 
class="jxr_keyword">if</strong> (transaction.getStatus() != Status.RUNNING) {
-<a class="jxr_linenumber" name="376" href="#376">376</a>             <strong 
class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> 
IllegalArgumentException(<span class="jxr_string">"Transaction was already 
"</span> + transaction.getStatus());
-<a class="jxr_linenumber" name="377" href="#377">377</a>         }
-<a class="jxr_linenumber" name="378" href="#378">378</a> 
-<a class="jxr_linenumber" name="379" href="#379">379</a>     }
-<a class="jxr_linenumber" name="380" href="#380">380</a> 
-<a class="jxr_linenumber" name="381" href="#381">381</a>     
@SuppressWarnings(<span class="jxr_string">"unchecked"</span>)
-<a class="jxr_linenumber" name="382" href="#382">382</a>     <em 
class="jxr_comment">// NOTE: We are sure that tx is not parametrized</em>
-<a class="jxr_linenumber" name="383" href="#383">383</a>     <strong 
class="jxr_keyword">private</strong> AbstractTransaction&lt;? <strong 
class="jxr_keyword">extends</strong> CellId&gt; 
enforceAbstractTransactionAsParam(<a 
href="../../../../org/apache/omid/transaction/Transaction.html">Transaction</a> 
tx) {
-<a class="jxr_linenumber" name="384" href="#384">384</a> 
-<a class="jxr_linenumber" name="385" href="#385">385</a>         <strong 
class="jxr_keyword">if</strong> (tx instanceof AbstractTransaction) {
-<a class="jxr_linenumber" name="386" href="#386">386</a>             <strong 
class="jxr_keyword">return</strong> (AbstractTransaction&lt;? <strong 
class="jxr_keyword">extends</strong> CellId&gt;) tx;
-<a class="jxr_linenumber" name="387" href="#387">387</a>         } <strong 
class="jxr_keyword">else</strong> {
-<a class="jxr_linenumber" name="388" href="#388">388</a>             <strong 
class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> 
IllegalArgumentException(
-<a class="jxr_linenumber" name="389" href="#389">389</a>                     
<span class="jxr_string">"The transaction object passed is not an instance of 
AbstractTransaction"</span>);
-<a class="jxr_linenumber" name="390" href="#390">390</a>         }
-<a class="jxr_linenumber" name="391" href="#391">391</a> 
-<a class="jxr_linenumber" name="392" href="#392">392</a>     }
-<a class="jxr_linenumber" name="393" href="#393">393</a> 
-<a class="jxr_linenumber" name="394" href="#394">394</a>     <strong 
class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> 
markReadOnlyTransaction(AbstractTransaction&lt;? <strong 
class="jxr_keyword">extends</strong> CellId&gt; readOnlyTx) {
-<a class="jxr_linenumber" name="395" href="#395">395</a> 
-<a class="jxr_linenumber" name="396" href="#396">396</a>         
readOnlyTx.setStatus(Status.COMMITTED_RO);
-<a class="jxr_linenumber" name="397" href="#397">397</a> 
-<a class="jxr_linenumber" name="398" href="#398">398</a>     }
-<a class="jxr_linenumber" name="399" href="#399">399</a> 
-<a class="jxr_linenumber" name="400" href="#400">400</a>     <strong 
class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> 
commitRegularTransaction(AbstractTransaction&lt;? <strong 
class="jxr_keyword">extends</strong> CellId&gt; tx)
-<a class="jxr_linenumber" name="401" href="#401">401</a>             <strong 
class="jxr_keyword">throws</strong> RollbackException, <a 
href="../../../../org/apache/omid/transaction/TransactionException.html">TransactionException</a>
-<a class="jxr_linenumber" name="402" href="#402">402</a>     {
-<a class="jxr_linenumber" name="403" href="#403">403</a> 
-<a class="jxr_linenumber" name="404" href="#404">404</a>         <strong 
class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="405" href="#405">405</a> 
-<a class="jxr_linenumber" name="406" href="#406">406</a>             <strong 
class="jxr_keyword">long</strong> commitTs = 
tsoClient.commit(tx.getStartTimestamp(), tx.getWriteSet()).get();
-<a class="jxr_linenumber" name="407" href="#407">407</a>             
certifyCommitForTx(tx, commitTs);
-<a class="jxr_linenumber" name="408" href="#408">408</a>             
updateShadowCellsAndRemoveCommitTableEntry(tx, postCommitter);
-<a class="jxr_linenumber" name="409" href="#409">409</a> 
-<a class="jxr_linenumber" name="410" href="#410">410</a>         } <strong 
class="jxr_keyword">catch</strong> (ExecutionException e) {
-<a class="jxr_linenumber" name="411" href="#411">411</a> 
-<a class="jxr_linenumber" name="412" href="#412">412</a>             <strong 
class="jxr_keyword">if</strong> (e.getCause() instanceof AbortException) { <em 
class="jxr_comment">// TSO reports Tx conflicts as AbortExceptions in the 
future</em>
-<a class="jxr_linenumber" name="413" href="#413">413</a>                 
rollback(tx);
-<a class="jxr_linenumber" name="414" href="#414">414</a>                 
rolledbackTxsCounter.inc();
-<a class="jxr_linenumber" name="415" href="#415">415</a>                 
<strong class="jxr_keyword">throw</strong> <strong 
class="jxr_keyword">new</strong> <a 
href="../../../../org/apache/omid/transaction/RollbackException.html">RollbackException</a>(<span
 class="jxr_string">"Conflicts detected in tx writeset"</span>, e.getCause());
-<a class="jxr_linenumber" name="416" href="#416">416</a>             }
-<a class="jxr_linenumber" name="417" href="#417">417</a> 
-<a class="jxr_linenumber" name="418" href="#418">418</a>             <strong 
class="jxr_keyword">if</strong> (e.getCause() instanceof 
ServiceUnavailableException || e.getCause() instanceof ConnectionException) {
-<a class="jxr_linenumber" name="419" href="#419">419</a> 
-<a class="jxr_linenumber" name="420" href="#420">420</a>                 
errorTxsCounter.inc();
-<a class="jxr_linenumber" name="421" href="#421">421</a>                 
<strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="422" href="#422">422</a>                     
LOG.warn(<span class="jxr_string">"Can't contact the TSO for receiving outcome 
for Tx {}. Checking Commit Table..."</span>, tx);
-<a class="jxr_linenumber" name="423" href="#423">423</a>                     
<em class="jxr_comment">// Check the commit table to find if the target TSO 
woke up in the meantime and added the commit</em>
-<a class="jxr_linenumber" name="424" href="#424">424</a>                     
<em class="jxr_comment">// TODO: Decide what we should we do if we can not 
contact the commit table</em>
-<a class="jxr_linenumber" name="425" href="#425">425</a>                     
Optional&lt;CommitTimestamp&gt; commitTimestamp =
-<a class="jxr_linenumber" name="426" href="#426">426</a>                       
      commitTableClient.getCommitTimestamp(tx.getStartTimestamp()).get();
-<a class="jxr_linenumber" name="427" href="#427">427</a>                     
<strong class="jxr_keyword">if</strong> (commitTimestamp.isPresent()) {
-<a class="jxr_linenumber" name="428" href="#428">428</a>                       
  <strong class="jxr_keyword">if</strong> (commitTimestamp.get().isValid()) {
-<a class="jxr_linenumber" name="429" href="#429">429</a>                       
      LOG.warn(<span class="jxr_string">"{}: Valid commit TS found in Commit 
Table. Committing Tx..."</span>, tx);
-<a class="jxr_linenumber" name="430" href="#430">430</a>                       
      certifyCommitForTx(tx, commitTimestamp.get().getValue());
-<a class="jxr_linenumber" name="431" href="#431">431</a>                       
      postCommitter.updateShadowCells(tx); <em class="jxr_comment">// But do 
NOT remove transaction from commit table</em>
-<a class="jxr_linenumber" name="432" href="#432">432</a>                       
  } <strong class="jxr_keyword">else</strong> { <em class="jxr_comment">// 
Probably another Tx in a new TSO Server invalidated this transaction</em>
-<a class="jxr_linenumber" name="433" href="#433">433</a>                       
      LOG.warn(<span class="jxr_string">"{}: Invalidated commit TS found in 
Commit Table. Rolling-back..."</span>, tx);
-<a class="jxr_linenumber" name="434" href="#434">434</a>                       
      rollback(tx);
-<a class="jxr_linenumber" name="435" href="#435">435</a>                       
      <strong class="jxr_keyword">throw</strong> <strong 
class="jxr_keyword">new</strong> <a 
href="../../../../org/apache/omid/transaction/RollbackException.html">RollbackException</a>(tx
 + <span class="jxr_string">" invalidated by other Tx started"</span>, 
e.getCause());
-<a class="jxr_linenumber" name="436" href="#436">436</a>                       
  }
-<a class="jxr_linenumber" name="437" href="#437">437</a>                     } 
<strong class="jxr_keyword">else</strong> {
-<a class="jxr_linenumber" name="438" href="#438">438</a>                       
  LOG.warn(<span class="jxr_string">"{}: Trying to invalidate Tx proactively in 
Commit Table..."</span>, tx);
-<a class="jxr_linenumber" name="439" href="#439">439</a>                       
  <strong class="jxr_keyword">boolean</strong> invalidated = 
commitTableClient.tryInvalidateTransaction(tx.getStartTimestamp()).get();
-<a class="jxr_linenumber" name="440" href="#440">440</a>                       
  <strong class="jxr_keyword">if</strong> (invalidated) {
-<a class="jxr_linenumber" name="441" href="#441">441</a>                       
      LOG.warn(<span class="jxr_string">"{}: Invalidated proactively in Commit 
Table. Rolling-back Tx..."</span>, tx);
-<a class="jxr_linenumber" name="442" href="#442">442</a>                       
      invalidatedTxsCounter.inc();
-<a class="jxr_linenumber" name="443" href="#443">443</a>                       
      rollback(tx); <em class="jxr_comment">// Rollback proactively cause it's 
likely that a new TSOServer is now master</em>
-<a class="jxr_linenumber" name="444" href="#444">444</a>                       
      <strong class="jxr_keyword">throw</strong> <strong 
class="jxr_keyword">new</strong> <a 
href="../../../../org/apache/omid/transaction/RollbackException.html">RollbackException</a>(tx
 + <span class="jxr_string">" rolled-back precautionary"</span>, e.getCause());
-<a class="jxr_linenumber" name="445" href="#445">445</a>                       
  } <strong class="jxr_keyword">else</strong> {
-<a class="jxr_linenumber" name="446" href="#446">446</a>                       
      LOG.warn(<span class="jxr_string">"{}: Invalidation could NOT be 
completed. Re-checking Commit Table..."</span>, tx);
-<a class="jxr_linenumber" name="447" href="#447">447</a>                       
      <em class="jxr_comment">// TODO: Decide what we should we do if we can 
not contact the commit table</em>
-<a class="jxr_linenumber" name="448" href="#448">448</a>                       
      commitTimestamp = 
commitTableClient.getCommitTimestamp(tx.getStartTimestamp()).get();
-<a class="jxr_linenumber" name="449" href="#449">449</a>                       
      <strong class="jxr_keyword">if</strong> (commitTimestamp.isPresent() 
&amp;&amp; commitTimestamp.get().isValid()) {
-<a class="jxr_linenumber" name="450" href="#450">450</a>                       
          LOG.warn(<span class="jxr_string">"{}: Valid commit TS found in 
Commit Table. Committing Tx..."</span>, tx);
-<a class="jxr_linenumber" name="451" href="#451">451</a>                       
          certifyCommitForTx(tx, commitTimestamp.get().getValue());
-<a class="jxr_linenumber" name="452" href="#452">452</a>                       
          postCommitter.updateShadowCells(tx); <em class="jxr_comment">// But 
do NOT remove transaction from commit table</em>
-<a class="jxr_linenumber" name="453" href="#453">453</a>                       
      } <strong class="jxr_keyword">else</strong> {
-<a class="jxr_linenumber" name="454" href="#454">454</a>                       
          LOG.error(<span class="jxr_string">"{}: Can't determine Transaction 
outcome"</span>, tx);
-<a class="jxr_linenumber" name="455" href="#455">455</a>                       
          <strong class="jxr_keyword">throw</strong> <strong 
class="jxr_keyword">new</strong> <a 
href="../../../../org/apache/omid/transaction/TransactionException.html">TransactionException</a>(tx
 + <span class="jxr_string">": cannot determine Tx outcome"</span>);
-<a class="jxr_linenumber" name="456" href="#456">456</a>                       
      }
-<a class="jxr_linenumber" name="457" href="#457">457</a>                       
  }
-<a class="jxr_linenumber" name="458" href="#458">458</a>                     }
-<a class="jxr_linenumber" name="459" href="#459">459</a>                 } 
<strong class="jxr_keyword">catch</strong> (ExecutionException e1) {
-<a class="jxr_linenumber" name="460" href="#460">460</a>                     
<strong class="jxr_keyword">throw</strong> <strong 
class="jxr_keyword">new</strong> <a 
href="../../../../org/apache/omid/transaction/TransactionException.html">TransactionException</a>(tx
 + <span class="jxr_string">": problem reading commitTS from Commit 
Table"</span>, e1);
-<a class="jxr_linenumber" name="461" href="#461">461</a>                 } 
<strong class="jxr_keyword">catch</strong> (InterruptedException e1) {
-<a class="jxr_linenumber" name="462" href="#462">462</a>                     
Thread.currentThread().interrupt();
-<a class="jxr_linenumber" name="463" href="#463">463</a>                     
<strong class="jxr_keyword">throw</strong> <strong 
class="jxr_keyword">new</strong> <a 
href="../../../../org/apache/omid/transaction/TransactionException.html">TransactionException</a>(tx
 + <span class="jxr_string">": interrupted while reading commitTS from Commit 
Table"</span>, e1);
-<a class="jxr_linenumber" name="464" href="#464">464</a>                 }
-<a class="jxr_linenumber" name="465" href="#465">465</a>             } <strong 
class="jxr_keyword">else</strong> {
-<a class="jxr_linenumber" name="466" href="#466">466</a>                 
<strong class="jxr_keyword">throw</strong> <strong 
class="jxr_keyword">new</strong> <a 
href="../../../../org/apache/omid/transaction/TransactionException.html">TransactionException</a>(tx
 + <span class="jxr_string">": cannot determine Tx outcome"</span>, 
e.getCause());
-<a class="jxr_linenumber" name="467" href="#467">467</a>             }
-<a class="jxr_linenumber" name="468" href="#468">468</a>         } <strong 
class="jxr_keyword">catch</strong> (InterruptedException ie) {
-<a class="jxr_linenumber" name="469" href="#469">469</a>             
Thread.currentThread().interrupt();
-<a class="jxr_linenumber" name="470" href="#470">470</a>             <strong 
class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a 
href="../../../../org/apache/omid/transaction/TransactionException.html">TransactionException</a>(tx
 + <span class="jxr_string">": interrupted during commit"</span>, ie);
-<a class="jxr_linenumber" name="471" href="#471">471</a> 
-<a class="jxr_linenumber" name="472" href="#472">472</a>         }
-<a class="jxr_linenumber" name="473" href="#473">473</a> 
-<a class="jxr_linenumber" name="474" href="#474">474</a>     }
-<a class="jxr_linenumber" name="475" href="#475">475</a> 
-<a class="jxr_linenumber" name="476" href="#476">476</a>     <strong 
class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> 
updateShadowCellsAndRemoveCommitTableEntry(<strong 
class="jxr_keyword">final</strong> AbstractTransaction&lt;? <strong 
class="jxr_keyword">extends</strong> CellId&gt; tx,
-<a class="jxr_linenumber" name="477" href="#477">477</a>                       
                                      <strong 
class="jxr_keyword">final</strong> <a 
href="../../../../org/apache/omid/transaction/PostCommitActions.html">PostCommitActions</a>
 postCommitter) {
-<a class="jxr_linenumber" name="478" href="#478">478</a> 
-<a class="jxr_linenumber" name="479" href="#479">479</a>         
Futures.transform(postCommitter.updateShadowCells(tx), <strong 
class="jxr_keyword">new</strong> Function&lt;Void, Void&gt;() {
-<a class="jxr_linenumber" name="480" href="#480">480</a>             @Override
-<a class="jxr_linenumber" name="481" href="#481">481</a>             <strong 
class="jxr_keyword">public</strong> Void apply(Void aVoid) {
-<a class="jxr_linenumber" name="482" href="#482">482</a>                 
postCommitter.removeCommitTableEntry(tx);
-<a class="jxr_linenumber" name="483" href="#483">483</a>                 
<strong class="jxr_keyword">return</strong> <strong 
class="jxr_keyword">null</strong>;
-<a class="jxr_linenumber" name="484" href="#484">484</a>             }
-<a class="jxr_linenumber" name="485" href="#485">485</a>         });
-<a class="jxr_linenumber" name="486" href="#486">486</a> 
-<a class="jxr_linenumber" name="487" href="#487">487</a>     }
-<a class="jxr_linenumber" name="488" href="#488">488</a> 
-<a class="jxr_linenumber" name="489" href="#489">489</a>     <strong 
class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> 
certifyCommitForTx(AbstractTransaction&lt;? <strong 
class="jxr_keyword">extends</strong> CellId&gt; txToSetup, <strong 
class="jxr_keyword">long</strong> commitTS) {
-<a class="jxr_linenumber" name="490" href="#490">490</a> 
-<a class="jxr_linenumber" name="491" href="#491">491</a>         
txToSetup.setStatus(Status.COMMITTED);
-<a class="jxr_linenumber" name="492" href="#492">492</a>         
txToSetup.setCommitTimestamp(commitTS);
-<a class="jxr_linenumber" name="493" href="#493">493</a> 
-<a class="jxr_linenumber" name="494" href="#494">494</a>     }
-<a class="jxr_linenumber" name="495" href="#495">495</a> 
-<a class="jxr_linenumber" name="496" href="#496">496</a> }
+<a class="jxr_linenumber" name="226" href="#226">226</a> <em 
class="jxr_javadoccomment">     * @param transaction</em>
+<a class="jxr_linenumber" name="227" href="#227">227</a> <em 
class="jxr_javadoccomment">     *            the transaction that is going to 
be rolled-back.</em>
+<a class="jxr_linenumber" name="228" href="#228">228</a> <em 
class="jxr_javadoccomment">     * @throws TransactionManagerException</em>
+<a class="jxr_linenumber" name="229" href="#229">229</a> <em 
class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="230" href="#230">230</a>     <strong 
class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> 
preRollback(AbstractTransaction&lt;? <strong 
class="jxr_keyword">extends</strong> CellId&gt; transaction) <strong 
class="jxr_keyword">throws</strong> TransactionManagerException {}
+<a class="jxr_linenumber" name="231" href="#231">231</a> 
+<a class="jxr_linenumber" name="232" href="#232">232</a>     <em 
class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="233" href="#233">233</a> <em 
class="jxr_javadoccomment">     * @see 
org.apache.omid.transaction.TransactionManager#rollback(Transaction)</em>
+<a class="jxr_linenumber" name="234" href="#234">234</a> <em 
class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="235" href="#235">235</a>     @Override
+<a class="jxr_linenumber" name="236" href="#236">236</a>     <strong 
class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> 
<strong class="jxr_keyword">void</strong> rollback(<a 
href="../../../../org/apache/omid/transaction/Transaction.html">Transaction</a> 
transaction) <strong class="jxr_keyword">throws</strong> TransactionException {
+<a class="jxr_linenumber" name="237" href="#237">237</a> 
+<a class="jxr_linenumber" name="238" href="#238">238</a>         
AbstractTransaction&lt;? <strong class="jxr_keyword">extends</strong> 
CellId&gt; tx = enforceAbstractTransactionAsParam(transaction);
+<a class="jxr_linenumber" name="239" href="#239">239</a>         
enforceTransactionIsInRunningState(tx);
+<a class="jxr_linenumber" name="240" href="#240">240</a> 
+<a class="jxr_linenumber" name="241" href="#241">241</a>         <strong 
class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="242" href="#242">242</a> 
+<a class="jxr_linenumber" name="243" href="#243">243</a>             
preRollback(tx);
+<a class="jxr_linenumber" name="244" href="#244">244</a> 
+<a class="jxr_linenumber" name="245" href="#245">245</a>             <em 
class="jxr_comment">// Make sure its commit timestamp is 0, so the cleanup does 
the right job</em>
+<a class="jxr_linenumber" name="246" href="#246">246</a>             
tx.setCommitTimestamp(0);
+<a class="jxr_linenumber" name="247" href="#247">247</a>             
tx.setStatus(Status.ROLLEDBACK);
+<a class="jxr_linenumber" name="248" href="#248">248</a> 
+<a class="jxr_linenumber" name="249" href="#249">249</a>             
postRollback(tx);
+<a class="jxr_linenumber" name="250" href="#250">250</a> 
+<a class="jxr_linenumber" name="251" href="#251">251</a>         } <strong 
class="jxr_keyword">catch</strong> (TransactionManagerException e) {
+<a class="jxr_linenumber" name="252" href="#252">252</a>             <strong 
class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a 
href="../../../../org/apache/omid/transaction/TransactionException.html">TransactionException</a>(e.getMessage(),
 e);
+<a class="jxr_linenumber" name="253" href="#253">253</a>         } <strong 
class="jxr_keyword">finally</strong> {
+<a class="jxr_linenumber" name="254" href="#254">254</a>             
tx.cleanup();
+<a class="jxr_linenumber" name="255" href="#255">255</a>         }
+<a class="jxr_linenumber" name="256" href="#256">256</a> 
+<a class="jxr_linenumber" name="257" href="#257">257</a>     }
+<a class="jxr_linenumber" name="258" href="#258">258</a> 
+<a class="jxr_linenumber" name="259" href="#259">259</a>     <em 
class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="260" href="#260">260</a> <em 
class="jxr_javadoccomment">     * Allows transaction manager developers to 
perform actions after rolling-back a transaction.</em>
+<a class="jxr_linenumber" name="261" href="#261">261</a> <em 
class="jxr_javadoccomment">     * @param transaction</em>
+<a class="jxr_linenumber" name="262" href="#262">262</a> <em 
class="jxr_javadoccomment">     *            the transaction that was 
rolled-back.</em>
+<a class="jxr_linenumber" name="263" href="#263">263</a> <em 
class="jxr_javadoccomment">     * @throws TransactionManagerException</em>
+<a class="jxr_linenumber" name="264" href="#264">264</a> <em 
class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="265" href="#265">265</a>     <strong 
class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> 
postRollback(AbstractTransaction&lt;? <strong 
class="jxr_keyword">extends</strong> CellId&gt; transaction) <strong 
class="jxr_keyword">throws</strong> TransactionManagerException {}
+<a class="jxr_linenumber" name="266" href="#266">266</a> 
+<a class="jxr_linenumber" name="267" href="#267">267</a>     <em 
class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="268" href="#268">268</a> <em 
class="jxr_javadoccomment">     * Check if the transaction commit data is in 
the shadow cell</em>
+<a class="jxr_linenumber" name="269" href="#269">269</a> <em 
class="jxr_javadoccomment">     * @param cellStartTimestamp</em>
+<a class="jxr_linenumber" name="270" href="#270">270</a> <em 
class="jxr_javadoccomment">     *            the transaction start 
timestamp</em>
+<a class="jxr_linenumber" name="271" href="#271">271</a> <em 
class="jxr_javadoccomment">     *        locator</em>
+<a class="jxr_linenumber" name="272" href="#272">272</a> <em 
class="jxr_javadoccomment">     *            the timestamp locator</em>
+<a class="jxr_linenumber" name="273" href="#273">273</a> <em 
class="jxr_javadoccomment">     * @throws IOException</em>
+<a class="jxr_linenumber" name="274" href="#274">274</a> <em 
class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="275" href="#275">275</a>     
Optional&lt;CommitTimestamp&gt; readCommitTimestampFromShadowCell(<strong 
class="jxr_keyword">long</strong> cellStartTimestamp, <a 
href="../../../../org/apache/omid/transaction/CommitTimestampLocator.html">CommitTimestampLocator</a>
 locator)
+<a class="jxr_linenumber" name="276" href="#276">276</a>             <strong 
class="jxr_keyword">throws</strong> IOException
+<a class="jxr_linenumber" name="277" href="#277">277</a>     {
+<a class="jxr_linenumber" name="278" href="#278">278</a> 
+<a class="jxr_linenumber" name="279" href="#279">279</a>         
Optional&lt;CommitTimestamp&gt; commitTS = Optional.absent();
+<a class="jxr_linenumber" name="280" href="#280">280</a> 
+<a class="jxr_linenumber" name="281" href="#281">281</a>         
Optional&lt;Long&gt; commitTimestamp = 
locator.readCommitTimestampFromShadowCell(cellStartTimestamp);
+<a class="jxr_linenumber" name="282" href="#282">282</a>         <strong 
class="jxr_keyword">if</strong> (commitTimestamp.isPresent()) {
+<a class="jxr_linenumber" name="283" href="#283">283</a>             commitTS 
= Optional.of(<strong class="jxr_keyword">new</strong> <a 
href="../../../../org/apache/omid/committable/CommitTable.html">CommitTimestamp</a>(SHADOW_CELL,
 commitTimestamp.get(), <strong class="jxr_keyword">true</strong>)); <em 
class="jxr_comment">// Valid commit TS</em>
+<a class="jxr_linenumber" name="284" href="#284">284</a>         }
+<a class="jxr_linenumber" name="285" href="#285">285</a> 
+<a class="jxr_linenumber" name="286" href="#286">286</a>         <strong 
class="jxr_keyword">return</strong> commitTS;
+<a class="jxr_linenumber" name="287" href="#287">287</a>     }
+<a class="jxr_linenumber" name="288" href="#288">288</a> 
+<a class="jxr_linenumber" name="289" href="#289">289</a>     <em 
class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="290" href="#290">290</a> <em 
class="jxr_javadoccomment">     * This function returns the commit timestamp 
for a particular cell if the transaction was already committed in</em>
+<a class="jxr_linenumber" name="291" href="#291">291</a> <em 
class="jxr_javadoccomment">     * the system. In case the transaction was not 
committed and the cell was written by transaction initialized by a</em>
+<a class="jxr_linenumber" name="292" href="#292">292</a> <em 
class="jxr_javadoccomment">     * previous TSO server, an invalidation try 
occurs.</em>
+<a class="jxr_linenumber" name="293" href="#293">293</a> <em 
class="jxr_javadoccomment">     * Otherwise the function returns a value that 
indicates that the commit timestamp was not found.</em>
+<a class="jxr_linenumber" name="294" href="#294">294</a> <em 
class="jxr_javadoccomment">     * @param cellStartTimestamp</em>
+<a class="jxr_linenumber" name="295" href="#295">295</a> <em 
class="jxr_javadoccomment">     *          start timestamp of the cell to 
locate the commit timestamp for.</em>
+<a class="jxr_linenumber" name="296" href="#296">296</a> <em 
class="jxr_javadoccomment">     * @param epoch</em>
+<a class="jxr_linenumber" name="297" href="#297">297</a> <em 
class="jxr_javadoccomment">     *          the epoch of the TSO server the 
current tso client is working with.</em>
+<a class="jxr_linenumber" name="298" href="#298">298</a> <em 
class="jxr_javadoccomment">     * @param locator</em>
+<a class="jxr_linenumber" name="299" href="#299">299</a> <em 
class="jxr_javadoccomment">     *          a locator to find the commit 
timestamp in the system.</em>
+<a class="jxr_linenumber" name="300" href="#300">300</a> <em 
class="jxr_javadoccomment">     * @return the commit timestamp joint with the 
location where it was found</em>
+<a class="jxr_linenumber" name="301" href="#301">301</a> <em 
class="jxr_javadoccomment">     *         or an object indicating that it was 
not found in the system</em>
+<a class="jxr_linenumber" name="302" href="#302">302</a> <em 
class="jxr_javadoccomment">     * @throws IOException</em>
+<a class="jxr_linenumber" name="303" href="#303">303</a> <em 
class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="304" href="#304">304</a>     <strong 
class="jxr_keyword">public</strong> <a 
href="../../../../org/apache/omid/committable/CommitTable.html">CommitTimestamp</a>
 locateCellCommitTimestamp(<strong class="jxr_keyword">long</strong> 
cellStartTimestamp, <strong class="jxr_keyword">long</strong> epoch,
+<a class="jxr_linenumber" name="305" href="#305">305</a>                       
                               <a 
href="../../../../org/apache/omid/transaction/CommitTimestampLocator.html">CommitTimestampLocator</a>
 locator) <strong class="jxr_keyword">throws</strong> IOException {
+<a class="jxr_linenumber" name="306" href="#306">306</a> 
+<a class="jxr_linenumber" name="307" href="#307">307</a>         <strong 
class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="308" href="#308">308</a>             <em 
class="jxr_comment">// 1) First check the cache</em>
+<a class="jxr_linenumber" name="309" href="#309">309</a>             
Optional&lt;Long&gt; commitTimestamp = 
locator.readCommitTimestampFromCache(cellStartTimestamp);
+<a class="jxr_linenumber" name="310" href="#310">310</a>             <strong 
class="jxr_keyword">if</strong> (commitTimestamp.isPresent()) { <em 
class="jxr_comment">// Valid commit timestamp</em>
+<a class="jxr_linenumber" name="311" href="#311">311</a>                 
<strong class="jxr_keyword">return</strong> <strong 
class="jxr_keyword">new</strong> <a 
href="../../../../org/apache/omid/committable/CommitTable.html">CommitTimestamp</a>(CACHE,
 commitTimestamp.get(), <strong class="jxr_keyword">true</strong>);
+<a class="jxr_linenumber" name="312" href="#312">312</a>             }
+<a class="jxr_linenumber" name="313" href="#313">313</a> 
+<a class="jxr_linenumber" name="314" href="#314">314</a>             <em 
class="jxr_comment">// 2) Then check the commit table</em>
+<a class="jxr_linenumber" name="315" href="#315">315</a>             <em 
class="jxr_comment">// If the data was written at a previous epoch, check 
whether the transaction was invalidated</em>
+<a class="jxr_linenumber" name="316" href="#316">316</a>             
Optional&lt;CommitTimestamp&gt; commitTimeStamp = 
commitTableClient.getCommitTimestamp(cellStartTimestamp).get();
+<a class="jxr_linenumber" name="317" href="#317">317</a>             <strong 
class="jxr_keyword">if</strong> (commitTimeStamp.isPresent()) {
+<a class="jxr_linenumber" name="318" href="#318">318</a>                 
<strong class="jxr_keyword">return</strong> commitTimeStamp.get();
+<a class="jxr_linenumber" name="319" href="#319">319</a>             }
+<a class="jxr_linenumber" name="320" href="#320">320</a> 
+<a class="jxr_linenumber" name="321" href="#321">321</a>             <em 
class="jxr_comment">// 3) Read from shadow cell</em>
+<a class="jxr_linenumber" name="322" href="#322">322</a>             
commitTimeStamp = readCommitTimestampFromShadowCell(cellStartTimestamp, 
locator);
+<a class="jxr_linenumber" name="323" href="#323">323</a>             <strong 
class="jxr_keyword">if</strong> (commitTimeStamp.isPresent()) {
+<a class="jxr_linenumber" name="324" href="#324">324</a>                 
<strong class="jxr_keyword">return</strong> commitTimeStamp.get();
+<a class="jxr_linenumber" name="325" href="#325">325</a>             }
+<a class="jxr_linenumber" name="326" href="#326">326</a> 
+<a class="jxr_linenumber" name="327" href="#327">327</a>             <em 
class="jxr_comment">// 4) Check the epoch and invalidate the entry</em>
+<a class="jxr_linenumber" name="328" href="#328">328</a>             <em 
class="jxr_comment">// if the data was written by a transaction from a previous 
epoch (previous TSO)</em>
+<a class="jxr_linenumber" name="329" href="#329">329</a>             <strong 
class="jxr_keyword">if</strong> (cellStartTimestamp &lt; epoch) {
+<a class="jxr_linenumber" name="330" href="#330">330</a>                 
<strong class="jxr_keyword">boolean</strong> invalidated = 
commitTableClient.tryInvalidateTransaction(cellStartTimestamp).get();
+<a class="jxr_linenumber" name="331" href="#331">331</a>                 
<strong class="jxr_keyword">if</strong> (invalidated) { <em 
class="jxr_comment">// Invalid commit timestamp</em>
+<a class="jxr_linenumber" name="332" href="#332">332</a>                     
<strong class="jxr_keyword">return</strong> <strong 
class="jxr_keyword">new</strong> <a 
href="../../../../org/apache/omid/committable/CommitTable.html">CommitTimestamp</a>(COMMIT_TABLE,
 CommitTable.INVALID_TRANSACTION_MARKER, false);
+<a class="jxr_linenumber" name="333" href="#333">333</a>                 }
+<a class="jxr_linenumber" name="334" href="#334">334</a>             }
+<a class="jxr_linenumber" name="335" href="#335">335</a> 
+<a class="jxr_linenumber" name="336" href="#336">336</a>             <em 
class="jxr_comment">// 5) We did not manage to invalidate the transactions then 
check the commit table</em>
+<a class="jxr_linenumber" name="337" href="#337">337</a>             
commitTimeStamp = 
commitTableClient.getCommitTimestamp(cellStartTimestamp).get();
+<a class="jxr_linenumber" name="338" href="#338">338</a>             <strong 
class="jxr_keyword">if</strong> (commitTimeStamp.isPresent()) {
+<a class="jxr_linenumber" name="339" href="#339">339</a>                 
<strong class="jxr_keyword">return</strong> commitTimeStamp.get();
+<a class="jxr_linenumber" name="340" href="#340">340</a>             }
+<a class="jxr_linenumber" name="341" href="#341">341</a> 
+<a class="jxr_linenumber" name="342" href="#342">342</a>             <em 
class="jxr_comment">// 6) Read from shadow cell</em>
+<a class="jxr_linenumber" name="343" href="#343">343</a>             
commitTimeStamp = readCommitTimestampFromShadowCell(cellStartTimestamp, 
locator);
+<a class="jxr_linenumber" name="344" href="#344">344</a>             <strong 
class="jxr_keyword">if</strong> (commitTimeStamp.isPresent()) {
+<a class="jxr_linenumber" name="345" href="#345">345</a>                 
<strong class="jxr_keyword">return</strong> commitTimeStamp.get();
+<a class="jxr_linenumber" name="346" href="#346">346</a>             }
+<a class="jxr_linenumber" name="347" href="#347">347</a> 
+<a class="jxr_linenumber" name="348" href="#348">348</a>             <em 
class="jxr_comment">// *) Otherwise return not found</em>
+<a class="jxr_linenumber" name="349" href="#349">349</a>             <strong 
class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a 
href="../../../../org/apache/omid/committable/CommitTable.html">CommitTimestamp</a>(NOT_PRESENT,
 -1L <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> 
TODO Check if we should return this */</em>, <strong 
class="jxr_keyword">true</strong>);
+<a class="jxr_linenumber" name="350" href="#350">350</a>         } <strong 
class="jxr_keyword">catch</strong> (InterruptedException e) {
+<a class="jxr_linenumber" name="351" href="#351">351</a>             
Thread.currentThread().interrupt();
+<a class="jxr_linenumber" name="352" href="#352">352</a>             <strong 
class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> 
IOException(<span class="jxr_string">"Interrupted while finding commit 
timestamp"</span>, e);
+<a class="jxr_linenumber" name="353" href="#353">353</a>         } <strong 
class="jxr_keyword">catch</strong> (ExecutionException e) {
+<a class="jxr_linenumber" name="354" href="#354">354</a>             <strong 
class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> 
IOException(<span class="jxr_string">"Problem finding commit timestamp"</span>, 
e);
+<a class="jxr_linenumber" name="355" href="#355">355</a>         }
+<a class="jxr_linenumber" name="356" href="#356">356</a> 
+<a class="jxr_linenumber" name="357" href="#357">357</a>     }
+<a class="jxr_linenumber" name="358" href="#358">358</a> 
+<a class="jxr_linenumber" name="359" href="#359">359</a>     <em 
class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="360" href="#360">360</a> <em 
class="jxr_javadoccomment">     * @see java.io.Closeable#close()</em>
+<a class="jxr_linenumber" name="361" href="#361">361</a> <em 
class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="362" href="#362">362</a>     @Override
+<a class="jxr_linenumber" name="363" href="#363">363</a>     <strong 
class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> 
<strong class="jxr_keyword">void</strong> close() <strong 
class="jxr_keyword">throws</strong> IOException {
+<a class="jxr_linenumber" name="364" href="#364">364</a> 
+<a class="jxr_linenumber" name="365" href="#365">365</a>         
tsoClient.close();
+<a class="jxr_linenumber" name="366" href="#366">366</a>         
commitTableClient.close();
+<a class="jxr_linenumber" name="367" href="#367">367</a> 
+<a class="jxr_linenumber" name="368" href="#368">368</a>     }
+<a class="jxr_linenumber" name="369" href="#369">369</a> 
+<a class="jxr_linenumber" name="370" href="#370">370</a>     <em 
class="jxr_comment">// 
----------------------------------------------------------------------------------------------------------------</em>
+<a class="jxr_linenumber" name="371" href="#371">371</a>     <em 
class="jxr_comment">// Helper methods</em>
+<a class="jxr_linenumber" name="372" href="#372">372</a>     <em 
class="jxr_comment">// 
----------------------------------------------------------------------------------------------------------------</em>
+<a class="jxr_linenumber" name="373" href="#373">373</a> 
+<a class="jxr_linenumber" name="374" href="#374">374</a>     <strong 
class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> 
enforceTransactionIsInRunningState(<a 
href="../../../../org/apache/omid/transaction/Transaction.html">Transaction</a> 
transaction) {
+<a class="jxr_linenumber" name="375" href="#375">375</a> 
+<a class="jxr_linenumber" name="376" href="#376">376</a>         <strong 
class="jxr_keyword">if</strong> (transaction.getStatus() != Status.RUNNING) {
+<a class="jxr_linenumber" name="377" href="#377">377</a>             <strong 
class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> 
IllegalArgumentException(<span class="jxr_string">"Transaction was already 
"</span> + transaction.getStatus());
+<a class="jxr_linenumber" name="378" href="#378">378</a>         }
+<a class="jxr_linenumber" name="379" href="#379">379</a> 
+<a class="jxr_linenumber" name="380" href="#380">380</a>     }
+<a class="jxr_linenumber" name="381" href="#381">381</a> 
+<a class="jxr_linenumber" name="382" href="#382">382</a>     
@SuppressWarnings(<span class="jxr_string">"unchecked"</span>)
+<a class="jxr_linenumber" name="383" href="#383">383</a>     <em 
class="jxr_comment">// NOTE: We are sure that tx is not parametrized</em>
+<a class="jxr_linenumber" name="384" href="#384">384</a>     <strong 
class="jxr_keyword">private</strong> AbstractTransaction&lt;? <strong 
class="jxr_keyword">extends</strong> CellId&gt; 
enforceAbstractTransactionAsParam(<a 
href="../../../../org/apache/omid/transaction/Transaction.html">Transaction</a> 
tx) {
+<a class="jxr_linenumber" name="385" href="#385">385</a> 
+<a class="jxr_linenumber" name="386" href="#386">386</a>         <strong 
class="jxr_keyword">if</strong> (tx instanceof AbstractTransaction) {
+<a class="jxr_linenumber" name="387" href="#387">387</a>             <strong 
class="jxr_keyword">return</strong> (AbstractTransaction&lt;? <strong 
class="jxr_keyword">extends</strong> CellId&gt;) tx;
+<a class="jxr_linenumber" name="388" href="#388">388</a>         } <strong 
class="jxr_keyword">else</strong> {
+<a class="jxr_linenumber" name="389" href="#389">389</a>             <strong 
class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> 
IllegalArgumentException(
+<a class="jxr_linenumber" name="390" href="#390">390</a>                     
<span class="jxr_string">"The transaction object passed is not an instance of 
AbstractTransaction"</span>);
+<a class="jxr_linenumber" name="391" href="#391">391</a>         }
+<a class="jxr_linenumber" name="392" href="#392">392</a> 
+<a class="jxr_linenumber" name="393" href="#393">393</a>     }
+<a class="jxr_linenumber" name="394" href="#394">394</a> 
+<a class="jxr_linenumber" name="395" href="#395">395</a>     <strong 
class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> 
markReadOnlyTransaction(AbstractTransaction&lt;? <strong 
class="jxr_keyword">extends</strong> CellId&gt; readOnlyTx) {
+<a class="jxr_linenumber" name="396" href="#396">396</a> 
+<a class="jxr_linenumber" name="397" href="#397">397</a>         
readOnlyTx.setStatus(Status.COMMITTED_RO);
+<a class="jxr_linenumber" name="398" href="#398">398</a> 
+<a class="jxr_linenumber" name="399" href="#399">399</a>     }
+<a class="jxr_linenumber" name="400" href="#400">400</a> 
+<a class="jxr_linenumber" name="401" href="#401">401</a>     <strong 
class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> 
commitRegularTransaction(AbstractTransaction&lt;? <strong 
class="jxr_keyword">extends</strong> CellId&gt; tx)
+<a class="jxr_linenumber" name="402" href="#402">402</a>             <strong 
class="jxr_keyword">throws</strong> RollbackException, <a 
href="../../../../org/apache/omid/transaction/TransactionException.html">TransactionException</a>
+<a class="jxr_linenumber" name="403" href="#403">403</a>     {
+<a class="jxr_linenumber" name="404" href="#404">404</a> 
+<a class="jxr_linenumber" name="405" href="#405">405</a>         <strong 
class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="406" href="#406">406</a> 
+<a class="jxr_linenumber" name="407" href="#407">407</a>             <strong 
class="jxr_keyword">long</strong> commitTs = 
tsoClient.commit(tx.getStartTimestamp(), tx.getWriteSet()).get();
+<a class="jxr_linenumber" name="408" href="#408">408</a>             
certifyCommitForTx(tx, commitTs);
+<a class="jxr_linenumber" name="409" href="#409">409</a>             
updateShadowCellsAndRemoveCommitTableEntry(tx, postCommitter);
+<a class="jxr_linenumber" name="410" href="#410">410</a> 
+<a class="jxr_linenumber" name="411" href="#411">411</a>         } <strong 
class="jxr_keyword">catch</strong> (ExecutionException e) {
+<a class="jxr_linenumber" name="412" href="#412">412</a> 
+<a class="jxr_linenumber" name="413" href="#413">413</a>             <strong 
class="jxr_keyword">if</strong> (e.getCause() instanceof AbortException) { <em 
class="jxr_comment">// TSO reports Tx conflicts as AbortExceptions in the 
future</em>
+<a class="jxr_linenumber" name="414" href="#414">414</a>                 
rollback(tx);
+<a class="jxr_linenumber" name="415" href="#415">415</a>                 
rolledbackTxsCounter.inc();
+<a class="jxr_linenumber" name="416" href="#416">416</a>                 
<strong class="jxr_keyword">throw</strong> <strong 
class="jxr_keyword">new</strong> <a 
href="../../../../org/apache/omid/transaction/RollbackException.html">RollbackException</a>(<span
 class="jxr_string">"Conflicts detected in tx writeset"</span>, e.getCause());
+<a class="jxr_linenumber" name="417" href="#417">417</a>             }
+<a class="jxr_linenumber" name="418" href="#418">418</a> 
+<a class="jxr_linenumber" name="419" href="#419">419</a>             <strong 
class="jxr_keyword">if</strong> (e.getCause() instanceof 
ServiceUnavailableException || e.getCause() instanceof ConnectionException) {
+<a class="jxr_linenumber" name="420" href="#420">420</a> 
+<a class="jxr_linenumber" name="421" href="#421">421</a>                 
errorTxsCounter.inc();
+<a class="jxr_linenumber" name="422" href="#422">422</a>                 
<strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="423" href="#423">423</a>                     
LOG.warn(<span class="jxr_string">"Can't contact the TSO for receiving outcome 
for Tx {}. Checking Commit Table..."</span>, tx);
+<a class="jxr_linenumber" name="424" href="#424">424</a>                     
<em class="jxr_comment">// Check the commit table to find if the target TSO 
woke up in the meantime and added the commit</em>
+<a class="jxr_linenumber" name="425" href="#425">425</a>                     
<em class="jxr_comment">// TODO: Decide what we should we do if we can not 
contact the commit table</em>
+<a class="jxr_linenumber" name="426" href="#426">426</a>                     
Optional&lt;CommitTimestamp&gt; commitTimestamp =
+<a class="jxr_linenumber" name="427" href="#427">427</a>                       
      commitTableClient.getCommitTimestamp(tx.getStartTimestamp()).get();
+<a class="jxr_linenumber" name="428" href="#428">428</a>                     
<strong class="jxr_keyword">if</strong> (commitTimestamp.isPresent()) {
+<a class="jxr_linenumber" name="429" href="#429">429</a>                       
  <strong class="jxr_keyword">if</strong> (commitTimestamp.get().isValid()) {
+<a class="jxr_linenumber" name="430" href="#430">430</a>                       
      LOG.warn(<span class="jxr_string">"{}: Valid commit TS found in Commit 
Table. Committing Tx..."</span>, tx);
+<a class="jxr_linenumber" name="431" href="#431">431</a>                       
      certifyCommitForTx(tx, commitTimestamp.get().getValue());
+<a class="jxr_linenumber" name="432" href="#432">432</a>                       
      postCommitter.updateShadowCells(tx); <em class="jxr_comment">// But do 
NOT remove transaction from commit table</em>
+<a class="jxr_linenumber" name="433" href="#433">433</a>                       
  } <strong class="jxr_keyword">else</strong> { <em class="jxr_comment">// 
Probably another Tx in a new TSO Server invalidated this transaction</em>
+<a class="jxr_linenumber" name="434" href="#434">434</a>                       
      LOG.warn(<span class="jxr_string">"{}: Invalidated commit TS found in 
Commit Table. Rolling-back..."</span>, tx);
+<a class="jxr_linenumber" name="435" href="#435">435</a>                       
      rollback(tx);
+<a class="jxr_linenumber" name="436" href="#436">436</a>                       
      <strong class="jxr_keyword">throw</strong> <strong 
class="jxr_keyword">new</strong> <a 
href="../../../../org/apache/omid/transaction/RollbackException.html">RollbackException</a>(tx
 + <span class="jxr_string">" invalidated by other Tx started"</span>, 
e.getCause());
+<a class="jxr_linenumber" name="437" href="#437">437</a>                       
  }
+<a class="jxr_linenumber" name="438" href="#438">438</a>                     } 
<strong class="jxr_keyword">else</strong> {
+<a class="jxr_linenumber" name="439" href="#439">439</a>                       
  LOG.warn(<span class="jxr_string">"{}: Trying to invalidate Tx proactively in 
Commit Table..."</span>, tx);
+<a class="jxr_linenumber" name="440" href="#440">440</a>                       
  <strong class="jxr_keyword">boolean</strong> invalidated = 
commitTableClient.tryInvalidateTransaction(tx.getStartTimestamp()).get();
+<a class="jxr_linenumber" name="441" href="#441">441</a>                       
  <strong class="jxr_keyword">if</strong> (invalidated) {
+<a class="jxr_linenumber" name="442" href="#442">442</a>                       
      LOG.warn(<span class="jxr_string">"{}: Invalidated proactively in Commit 
Table. Rolling-back Tx..."</span>, tx);
+<a class="jxr_linenumber" name="443" href="#443">443</a>                       
      invalidatedTxsCounter.inc();
+<a class="jxr_linenumber" name="444" href="#444">444</a>                       
      rollback(tx); <em class="jxr_comment">// Rollback proactively cause it's 
likely that a new TSOServer is now master</em>
+<a class="jxr_linenumber" name="445" href="#445">445</a>                       
      <strong class="jxr_keyword">throw</strong> <strong 
class="jxr_keyword">new</strong> <a 
href="../../../../org/apache/omid/transaction/RollbackException.html">RollbackException</a>(tx
 + <span class="jxr_string">" rolled-back precautionary"</span>, e.getCause());
+<a class="jxr_linenumber" name="446" href="#446">446</a>                       
  } <strong class="jxr_keyword">else</strong> {
+<a class="jxr_linenumber" name="447" href="#447">447</a>                       
      LOG.warn(<span class="jxr_string">"{}: Invalidation could NOT be 
completed. Re-checking Commit Table..."</span>, tx);
+<a class="jxr_linenumber" name="448" href="#448">448</a>                       
      <em class="jxr_comment">// TODO: Decide what we should we do if we can 
not contact the commit table</em>
+<a class="jxr_linenumber" name="449" href="#449">449</a>                       
      commitTimestamp = 
commitTableClient.getCommitTimestamp(tx.getStartTimestamp()).get();
+<a class="jxr_linenumber" name="450" href="#450">450</a>                       
      <strong class="jxr_keyword">if</strong> (commitTimestamp.isPresent() 
&amp;&amp; commitTimestamp.get().isValid()) {
+<a class="jxr_linenumber" name="451" href="#451">451</a>                       
          LOG.warn(<span class="jxr_string">"{}: Valid commit TS found in 
Commit Table. Committing Tx..."</span>, tx);
+<a class="jxr_linenumber" name="452" href="#452">452</a>                       
          certifyCommitForTx(tx, commitTimestamp.get().getValue());
+<a class="jxr_linenumber" name="453" href="#453">453</a>                       
          postCommitter.updateShadowCells(tx); <em class="jxr_comment">// But 
do NOT remove transaction from commit table</em>
+<a class="jxr_linenumber" name="454" href="#454">454</a>                       
      } <strong class="jxr_keyword">else</strong> {
+<a class="jxr_linenumber" name="455" href="#455">455</a>                       
          LOG.error(<span class="jxr_string">"{}: Can't determine Transaction 
outcome"</span>, tx);
+<a class="jxr_linenumber" name="456" href="#456">456</a>                       
          <strong class="jxr_keyword">throw</strong> <strong 
class="jxr_keyword">new</strong> <a 
href="../../../../org/apache/omid/transaction/TransactionException.html">TransactionException</a>(tx
 + <span class="jxr_string">": cannot determine Tx outcome"</span>);
+<a class="jxr_linenumber" name="457" href="#457">457</a>                       
      }
+<a class="jxr_linenumber" name="458" href="#458">458</a>                       
  }
+<a class="jxr_linenumber" name="459" href="#459">459</a>                     }
+<a class="jxr_linenumber" name="460" href="#460">460</a>                 } 
<strong class="jxr_keyword">catch</strong> (ExecutionException e1) {
+<a class="jxr_linenumber" name="461" href="#461">461</a>                     
<strong class="jxr_keyword">throw</strong> <strong 
class="jxr_keyword">new</strong> <a 
href="../../../../org/apache/omid/transaction/TransactionException.html">TransactionException</a>(tx
 + <span class="jxr_string">": problem reading commitTS from Commit 
Table"</span>, e1);
+<a class="jxr_linenumber" name="462" href="#462">462</a>                 } 
<strong class="jxr_keyword">catch</strong> (InterruptedException e1) {
+<a class="jxr_linenumber" name="463" href="#463">463</a>                     
Thread.currentThread().interrupt();
+<a class="jxr_linenumber" name="464" href="#464">464</a>                     
<strong class="jxr_keyword">throw</strong> <strong 
class="jxr_keyword">new</strong> <a 
href="../../../../org/apache/omid/transaction/TransactionException.html">TransactionException</a>(tx
 + <span class="jxr_string">": interrupted while reading commitTS from Commit 
Table"</span>, e1);
+<a class="jxr_linenumber" name="465" href="#465">465</a>                 }
+<a class="jxr_linenumber" name="466" href="#466">466</a>             } <strong 
class="jxr_keyword">else</strong> {
+<a class="jxr_linenumber" name="467" href="#467">467</a>                 
<strong class="jxr_keyword">throw</strong> <strong 
class="jxr_keyword">new</strong> <a 
href="../../../../org/apache/omid/transaction/TransactionException.html">TransactionException</a>(tx
 + <span class="jxr_string">": cannot determine Tx outcome"</span>, 
e.getCause());
+<a class="jxr_linenumber" name="468" href="#468">468</a>             }
+<a class="jxr_linenumber" name="469" href="#469">469</a>         } <strong 
class="jxr_keyword">catch</strong> (InterruptedException ie) {
+<a class="jxr_linenumber" name="470" href="#470">470</a>             
Thread.currentThread().interrupt();
+<a class="jxr_linenumber" name="471" href="#471">471</a>             <strong 
class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a 
href="../../../../org/apache/omid/transaction/TransactionException.html">TransactionException</a>(tx
 + <span class="jxr_string">": interrupted during commit"</span>, ie);
+<a class="jxr_linenumber" name="472" href="#472">472</a> 
+<a class="jxr_linenumber" name="473" href="#473">473</a>         }
+<a class="jxr_linenumber" name="474" href="#474">474</a> 
+<a class="jxr_linenumber" name="475" href="#475">475</a>     }
+<a class="jxr_linenumber" name="476" href="#476">476</a> 
+<a class="jxr_linenumber" name="477" href="#477">477</a>     <strong 
class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> 
updateShadowCellsAndRemoveCommitTableEntry(<strong 
class="jxr_keyword">final</strong> AbstractTransaction&lt;? <strong 
class="jxr_keyword">extends</strong> CellId&gt; tx,
+<a class="jxr_linenumber" name="478" href="#478">478</a>                       
                                      <strong 
class="jxr_keyword">final</strong> <a 
href="../../../../org/apache/omid/transaction/PostCommitActions.html">PostCommitActions</a>
 postCommitter) {
+<a class="jxr_linenumber" name="479" href="#479">479</a> 
+<a class="jxr_linenumber" name="480" href="#480">480</a>         
Futures.transform(postCommitter.updateShadowCells(tx), <strong 
class="jxr_keyword">new</strong> Function&lt;Void, Void&gt;() {
+<a class="jxr_linenumber" name="481" href="#481">481</a>             @Override
+<a class="jxr_linenumber" name="482" href="#482">482</a>             <strong 
class="jxr_keyword">public</strong> Void apply(Void aVoid) {
+<a class="jxr_linenumber" name="483" href="#483">483</a>                 
postCommitter.removeCommitTableEntry(tx);
+<a class="jxr_linenumber" name="484" href="#484">484</a>                 
<strong class="jxr_keyword">return</strong> <strong 
class="jxr_keyword">null</strong>;
+<a class="jxr_linenumber" name="485" href="#485">485</a>             }
+<a class="jxr_linenumber" name="486" href="#486">486</a>         });
+<a class="jxr_linenumber" name="487" href="#487">487</a> 
+<a class="jxr_linenumber" name="488" href="#488">488</a>     }
+<a class="jxr_linenumber" name="489" href="#489">489</a> 
+<a class="jxr_linenumber" name="490" href="#490">490</a>     <strong 
class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> 
certifyCommitForTx(AbstractTransaction&lt;? <strong 
class="jxr_keyword">extends</strong> CellId&gt; txToSetup, <strong 
class="jxr_keyword">long</strong> commitTS) {
+<a class="jxr_linenumber" name="491" href="#491">491</a> 
+<a class="jxr_linenumber" name="492" href="#492">492</a>         
txToSetup.setStatus(Status.COMMITTED);
+<a class="jxr_linenumber" name="493" href="#493">493</a>         
txToSetup.setCommitTimestamp(commitTS);
+<a class="jxr_linenumber" name="494" href="#494">494</a> 
+<a class="jxr_linenumber" name="495" href="#495">495</a>     }
+<a class="jxr_linenumber" name="496" href="#496">496</a> 
+<a class="jxr_linenumber" name="497" href="#497">497</a> }
 </pre>
 <hr/><div id="footer">This page was automatically generated by <a 
href="http://maven.apache.org/";>Maven</a></div></body>
 </html>