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Posted to commits@commons.apache.org by at...@apache.org on 2014/09/15 15:36:45 UTC
svn commit: r922280 [39/40] - in
/websites/production/commons/content/proper/commons-scxml: ./ 0.5/ 0.6/
0.7/ 0.8/ 0.9/ apidocs/ apidocs/org/apache/commons/scxml2/
apidocs/org/apache/commons/scxml2/class-use/
apidocs/org/apache/commons/scxml2/env/ apid...
Modified: websites/production/commons/content/proper/commons-scxml/xref/org/apache/commons/scxml2/semantics/SCXMLSemanticsImpl.html
==============================================================================
--- websites/production/commons/content/proper/commons-scxml/xref/org/apache/commons/scxml2/semantics/SCXMLSemanticsImpl.html (original)
+++ websites/production/commons/content/proper/commons-scxml/xref/org/apache/commons/scxml2/semantics/SCXMLSemanticsImpl.html Mon Sep 15 13:36:40 2014
@@ -256,905 +256,936 @@
<a class="jxr_linenumber" name="L248" href="#L248">248</a> exitStates(exctx, step, statesToInvoke);
<a class="jxr_linenumber" name="L249" href="#L249">249</a> executeTransitionContent(exctx, step);
<a class="jxr_linenumber" name="L250" href="#L250">250</a> enterStates(exctx, step, statesToInvoke);
-<a class="jxr_linenumber" name="L251" href="#L251">251</a> }
-<a class="jxr_linenumber" name="L252" href="#L252">252</a>
-<a class="jxr_linenumber" name="L253" href="#L253">253</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L254" href="#L254">254</a> <em class="jxr_javadoccomment"> * buildStep builds the exitSet and entrySet for the current configuration given the transitionList on the step.</em>
-<a class="jxr_linenumber" name="L255" href="#L255">255</a> <em class="jxr_javadoccomment"> *</em>
-<a class="jxr_linenumber" name="L256" href="#L256">256</a> <em class="jxr_javadoccomment"> * @param exctx The SCXML execution context</em>
-<a class="jxr_linenumber" name="L257" href="#L257">257</a> <em class="jxr_javadoccomment"> * @param step The step containing the list of transitions to be taken</em>
-<a class="jxr_linenumber" name="L258" href="#L258">258</a> <em class="jxr_javadoccomment"> * @throws ModelException if the result of taking the transitions would lead to an illegal configuration</em>
-<a class="jxr_linenumber" name="L259" href="#L259">259</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L260" href="#L260">260</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> buildStep(<strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/commons/scxml2/SCXMLExecutionContext.html">SCXMLExecutionContext</a> exctx, <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/commons/scxml2/semantics/Step.html">Step</a> step) <strong class="jxr_keyword">throws</strong> ModelException {
-<a class="jxr_linenumber" name="L261" href="#L261">261</a> step.getExitSet().clear();
-<a class="jxr_linenumber" name="L262" href="#L262">262</a> step.getEntrySet().clear();
-<a class="jxr_linenumber" name="L263" href="#L263">263</a> step.getDefaultEntrySet().clear();
-<a class="jxr_linenumber" name="L264" href="#L264">264</a> step.getDefaultHistoryTransitionEntryMap().clear();
-<a class="jxr_linenumber" name="L265" href="#L265">265</a>
-<a class="jxr_linenumber" name="L266" href="#L266">266</a> <em class="jxr_comment">// compute exitSet, if there is something to exit</em>
-<a class="jxr_linenumber" name="L267" href="#L267">267</a> <strong class="jxr_keyword">if</strong> (!exctx.getScInstance().getCurrentStatus().getStates().isEmpty()) {
-<a class="jxr_linenumber" name="L268" href="#L268">268</a> computeExitSet(step, exctx.getScInstance().getCurrentStatus().getAllStates());
-<a class="jxr_linenumber" name="L269" href="#L269">269</a> }
-<a class="jxr_linenumber" name="L270" href="#L270">270</a> <em class="jxr_comment">// compute entrySet</em>
-<a class="jxr_linenumber" name="L271" href="#L271">271</a> computeEntrySet(exctx, step);
-<a class="jxr_linenumber" name="L272" href="#L272">272</a>
-<a class="jxr_linenumber" name="L273" href="#L273">273</a> <em class="jxr_comment">// default result states to entrySet</em>
-<a class="jxr_linenumber" name="L274" href="#L274">274</a> Set<EnterableState> states = step.getEntrySet();
-<a class="jxr_linenumber" name="L275" href="#L275">275</a> <strong class="jxr_keyword">if</strong> (!step.getExitSet().isEmpty()) {
-<a class="jxr_linenumber" name="L276" href="#L276">276</a> <em class="jxr_comment">// calculate result states by taking current states, subtracting exitSet and adding entrySet</em>
-<a class="jxr_linenumber" name="L277" href="#L277">277</a> states = <strong class="jxr_keyword">new</strong> HashSet<EnterableState>(exctx.getScInstance().getCurrentStatus().getStates());
-<a class="jxr_linenumber" name="L278" href="#L278">278</a> states.removeAll(step.getExitSet());
-<a class="jxr_linenumber" name="L279" href="#L279">279</a> states.addAll(step.getEntrySet());
-<a class="jxr_linenumber" name="L280" href="#L280">280</a> }
-<a class="jxr_linenumber" name="L281" href="#L281">281</a> <em class="jxr_comment">// validate the result states represent a legal configuration</em>
-<a class="jxr_linenumber" name="L282" href="#L282">282</a> <strong class="jxr_keyword">if</strong> (!isLegalConfig(states, exctx.getErrorReporter())) {
-<a class="jxr_linenumber" name="L283" href="#L283">283</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/commons/scxml2/model/ModelException.html">ModelException</a>(<span class="jxr_string">"Illegal state machine configuration!"</span>);
-<a class="jxr_linenumber" name="L284" href="#L284">284</a> }
-<a class="jxr_linenumber" name="L285" href="#L285">285</a> }
-<a class="jxr_linenumber" name="L286" href="#L286">286</a>
-<a class="jxr_linenumber" name="L287" href="#L287">287</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L288" href="#L288">288</a> <em class="jxr_javadoccomment"> * Perform a macro step in the execution of a state machine.</em>
-<a class="jxr_linenumber" name="L289" href="#L289">289</a> <em class="jxr_javadoccomment"> * <p></em>
-<a class="jxr_linenumber" name="L290" href="#L290">290</a> <em class="jxr_javadoccomment"> * This macro step is corresponding to the Algorithm for SCXML processing mainEventLoop() procedure macro step</em>
-<a class="jxr_linenumber" name="L291" href="#L291">291</a> <em class="jxr_javadoccomment"> * sub-flow, which are the first <em>3</em> steps of the described <em>4</em>, so everything up to the blocking</em>
-<a class="jxr_linenumber" name="L292" href="#L292">292</a> <em class="jxr_javadoccomment"> * wait for an external event.</em>
-<a class="jxr_linenumber" name="L293" href="#L293">293</a> <em class="jxr_javadoccomment"> * <p></em>
-<a class="jxr_linenumber" name="L294" href="#L294">294</a> <em class="jxr_javadoccomment"> * @param exctx The execution context for this step</em>
-<a class="jxr_linenumber" name="L295" href="#L295">295</a> <em class="jxr_javadoccomment"> * @param statesToInvoke the set of activated states which invokes need to be invoked at the end of the current</em>
-<a class="jxr_linenumber" name="L296" href="#L296">296</a> <em class="jxr_javadoccomment"> * macro step</em>
-<a class="jxr_linenumber" name="L297" href="#L297">297</a> <em class="jxr_javadoccomment"> * @throws ModelException if a SCXML model error occurred during the execution.</em>
-<a class="jxr_linenumber" name="L298" href="#L298">298</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L299" href="#L299">299</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> macroStep(<strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/commons/scxml2/SCXMLExecutionContext.html">SCXMLExecutionContext</a> exctx, <strong class="jxr_keyword">final</strong> Set<TransitionalState> statesToInvoke)
-<a class="jxr_linenumber" name="L300" href="#L300">300</a> <strong class="jxr_keyword">throws</strong> <a href="../../../../../org/apache/commons/scxml2/model/ModelException.html">ModelException</a> {
-<a class="jxr_linenumber" name="L301" href="#L301">301</a> <strong class="jxr_keyword">do</strong> {
-<a class="jxr_linenumber" name="L302" href="#L302">302</a> <strong class="jxr_keyword">boolean</strong> macroStepDone = false;
-<a class="jxr_linenumber" name="L303" href="#L303">303</a> <strong class="jxr_keyword">do</strong> {
-<a class="jxr_linenumber" name="L304" href="#L304">304</a> <a href="../../../../../org/apache/commons/scxml2/semantics/Step.html">Step</a> step = <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/commons/scxml2/semantics/Step.html">Step</a>(<strong class="jxr_keyword">null</strong>);
-<a class="jxr_linenumber" name="L305" href="#L305">305</a> selectTransitions(exctx, step);
-<a class="jxr_linenumber" name="L306" href="#L306">306</a> <strong class="jxr_keyword">if</strong> (step.getTransitList().isEmpty()) {
-<a class="jxr_linenumber" name="L307" href="#L307">307</a> <a href="../../../../../org/apache/commons/scxml2/TriggerEvent.html">TriggerEvent</a> event = exctx.nextInternalEvent();
-<a class="jxr_linenumber" name="L308" href="#L308">308</a> <strong class="jxr_keyword">if</strong> (event != <strong class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="L309" href="#L309">309</a> <strong class="jxr_keyword">if</strong> (isCancelEvent(event)) {
-<a class="jxr_linenumber" name="L310" href="#L310">310</a> exctx.stopRunning();
-<a class="jxr_linenumber" name="L311" href="#L311">311</a> }
-<a class="jxr_linenumber" name="L312" href="#L312">312</a> <strong class="jxr_keyword">else</strong> {
-<a class="jxr_linenumber" name="L313" href="#L313">313</a> setSystemEventVariable(exctx.getScInstance(), event, <strong class="jxr_keyword">true</strong>);
-<a class="jxr_linenumber" name="L314" href="#L314">314</a> step = <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/commons/scxml2/semantics/Step.html">Step</a>(event);
-<a class="jxr_linenumber" name="L315" href="#L315">315</a> selectTransitions(exctx, step);
-<a class="jxr_linenumber" name="L316" href="#L316">316</a> }
-<a class="jxr_linenumber" name="L317" href="#L317">317</a> }
-<a class="jxr_linenumber" name="L318" href="#L318">318</a> }
-<a class="jxr_linenumber" name="L319" href="#L319">319</a> <strong class="jxr_keyword">if</strong> (step.getTransitList().isEmpty()) {
-<a class="jxr_linenumber" name="L320" href="#L320">320</a> macroStepDone = <strong class="jxr_keyword">true</strong>;
-<a class="jxr_linenumber" name="L321" href="#L321">321</a> }
-<a class="jxr_linenumber" name="L322" href="#L322">322</a> <strong class="jxr_keyword">else</strong> {
-<a class="jxr_linenumber" name="L323" href="#L323">323</a> microStep(exctx, step, statesToInvoke);
-<a class="jxr_linenumber" name="L324" href="#L324">324</a> setSystemAllStatesVariable(exctx.getScInstance());
-<a class="jxr_linenumber" name="L325" href="#L325">325</a> }
+<a class="jxr_linenumber" name="L251" href="#L251">251</a> step.clearIntermediateState();
+<a class="jxr_linenumber" name="L252" href="#L252">252</a> }
+<a class="jxr_linenumber" name="L253" href="#L253">253</a>
+<a class="jxr_linenumber" name="L254" href="#L254">254</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L255" href="#L255">255</a> <em class="jxr_javadoccomment"> * buildStep builds the exitSet and entrySet for the current configuration given the transitionList on the step.</em>
+<a class="jxr_linenumber" name="L256" href="#L256">256</a> <em class="jxr_javadoccomment"> *</em>
+<a class="jxr_linenumber" name="L257" href="#L257">257</a> <em class="jxr_javadoccomment"> * @param exctx The SCXML execution context</em>
+<a class="jxr_linenumber" name="L258" href="#L258">258</a> <em class="jxr_javadoccomment"> * @param step The step containing the list of transitions to be taken</em>
+<a class="jxr_linenumber" name="L259" href="#L259">259</a> <em class="jxr_javadoccomment"> * @throws ModelException if the result of taking the transitions would lead to an illegal configuration</em>
+<a class="jxr_linenumber" name="L260" href="#L260">260</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L261" href="#L261">261</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> buildStep(<strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/commons/scxml2/SCXMLExecutionContext.html">SCXMLExecutionContext</a> exctx, <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/commons/scxml2/semantics/Step.html">Step</a> step) <strong class="jxr_keyword">throws</strong> ModelException {
+<a class="jxr_linenumber" name="L262" href="#L262">262</a> step.clearIntermediateState();
+<a class="jxr_linenumber" name="L263" href="#L263">263</a>
+<a class="jxr_linenumber" name="L264" href="#L264">264</a> <em class="jxr_comment">// compute exitSet, if there is something to exit and record their History configurations if applicable</em>
+<a class="jxr_linenumber" name="L265" href="#L265">265</a> <strong class="jxr_keyword">if</strong> (!exctx.getScInstance().getCurrentStatus().getStates().isEmpty()) {
+<a class="jxr_linenumber" name="L266" href="#L266">266</a> computeExitSet(step, exctx.getScInstance().getCurrentStatus());
+<a class="jxr_linenumber" name="L267" href="#L267">267</a> }
+<a class="jxr_linenumber" name="L268" href="#L268">268</a> <em class="jxr_comment">// compute entrySet</em>
+<a class="jxr_linenumber" name="L269" href="#L269">269</a> computeEntrySet(exctx, step);
+<a class="jxr_linenumber" name="L270" href="#L270">270</a>
+<a class="jxr_linenumber" name="L271" href="#L271">271</a> <em class="jxr_comment">// default result states to entrySet</em>
+<a class="jxr_linenumber" name="L272" href="#L272">272</a> Set<EnterableState> states = step.getEntrySet();
+<a class="jxr_linenumber" name="L273" href="#L273">273</a> <strong class="jxr_keyword">if</strong> (!step.getExitSet().isEmpty()) {
+<a class="jxr_linenumber" name="L274" href="#L274">274</a> <em class="jxr_comment">// calculate result states by taking current states, subtracting exitSet and adding entrySet</em>
+<a class="jxr_linenumber" name="L275" href="#L275">275</a> states = <strong class="jxr_keyword">new</strong> HashSet<EnterableState>(exctx.getScInstance().getCurrentStatus().getStates());
+<a class="jxr_linenumber" name="L276" href="#L276">276</a> states.removeAll(step.getExitSet());
+<a class="jxr_linenumber" name="L277" href="#L277">277</a> states.addAll(step.getEntrySet());
+<a class="jxr_linenumber" name="L278" href="#L278">278</a> }
+<a class="jxr_linenumber" name="L279" href="#L279">279</a> <em class="jxr_comment">// validate the result states represent a legal configuration</em>
+<a class="jxr_linenumber" name="L280" href="#L280">280</a> <strong class="jxr_keyword">if</strong> (!isLegalConfig(states, exctx.getErrorReporter())) {
+<a class="jxr_linenumber" name="L281" href="#L281">281</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/commons/scxml2/model/ModelException.html">ModelException</a>(<span class="jxr_string">"Illegal state machine configuration!"</span>);
+<a class="jxr_linenumber" name="L282" href="#L282">282</a> }
+<a class="jxr_linenumber" name="L283" href="#L283">283</a> }
+<a class="jxr_linenumber" name="L284" href="#L284">284</a>
+<a class="jxr_linenumber" name="L285" href="#L285">285</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L286" href="#L286">286</a> <em class="jxr_javadoccomment"> * Perform a macro step in the execution of a state machine.</em>
+<a class="jxr_linenumber" name="L287" href="#L287">287</a> <em class="jxr_javadoccomment"> * <p></em>
+<a class="jxr_linenumber" name="L288" href="#L288">288</a> <em class="jxr_javadoccomment"> * This macro step is corresponding to the Algorithm for SCXML processing mainEventLoop() procedure macro step</em>
+<a class="jxr_linenumber" name="L289" href="#L289">289</a> <em class="jxr_javadoccomment"> * sub-flow, which are the first <em>3</em> steps of the described <em>4</em>, so everything up to the blocking</em>
+<a class="jxr_linenumber" name="L290" href="#L290">290</a> <em class="jxr_javadoccomment"> * wait for an external event.</em>
+<a class="jxr_linenumber" name="L291" href="#L291">291</a> <em class="jxr_javadoccomment"> * <p></em>
+<a class="jxr_linenumber" name="L292" href="#L292">292</a> <em class="jxr_javadoccomment"> * @param exctx The execution context for this step</em>
+<a class="jxr_linenumber" name="L293" href="#L293">293</a> <em class="jxr_javadoccomment"> * @param statesToInvoke the set of activated states which invokes need to be invoked at the end of the current</em>
+<a class="jxr_linenumber" name="L294" href="#L294">294</a> <em class="jxr_javadoccomment"> * macro step</em>
+<a class="jxr_linenumber" name="L295" href="#L295">295</a> <em class="jxr_javadoccomment"> * @throws ModelException if a SCXML model error occurred during the execution.</em>
+<a class="jxr_linenumber" name="L296" href="#L296">296</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L297" href="#L297">297</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> macroStep(<strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/commons/scxml2/SCXMLExecutionContext.html">SCXMLExecutionContext</a> exctx, <strong class="jxr_keyword">final</strong> Set<TransitionalState> statesToInvoke)
+<a class="jxr_linenumber" name="L298" href="#L298">298</a> <strong class="jxr_keyword">throws</strong> <a href="../../../../../org/apache/commons/scxml2/model/ModelException.html">ModelException</a> {
+<a class="jxr_linenumber" name="L299" href="#L299">299</a> <strong class="jxr_keyword">do</strong> {
+<a class="jxr_linenumber" name="L300" href="#L300">300</a> <strong class="jxr_keyword">boolean</strong> macroStepDone = false;
+<a class="jxr_linenumber" name="L301" href="#L301">301</a> <strong class="jxr_keyword">do</strong> {
+<a class="jxr_linenumber" name="L302" href="#L302">302</a> <a href="../../../../../org/apache/commons/scxml2/semantics/Step.html">Step</a> step = <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/commons/scxml2/semantics/Step.html">Step</a>(<strong class="jxr_keyword">null</strong>);
+<a class="jxr_linenumber" name="L303" href="#L303">303</a> selectTransitions(exctx, step);
+<a class="jxr_linenumber" name="L304" href="#L304">304</a> <strong class="jxr_keyword">if</strong> (step.getTransitList().isEmpty()) {
+<a class="jxr_linenumber" name="L305" href="#L305">305</a> <a href="../../../../../org/apache/commons/scxml2/TriggerEvent.html">TriggerEvent</a> event = exctx.nextInternalEvent();
+<a class="jxr_linenumber" name="L306" href="#L306">306</a> <strong class="jxr_keyword">if</strong> (event != <strong class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="L307" href="#L307">307</a> <strong class="jxr_keyword">if</strong> (isCancelEvent(event)) {
+<a class="jxr_linenumber" name="L308" href="#L308">308</a> exctx.stopRunning();
+<a class="jxr_linenumber" name="L309" href="#L309">309</a> }
+<a class="jxr_linenumber" name="L310" href="#L310">310</a> <strong class="jxr_keyword">else</strong> {
+<a class="jxr_linenumber" name="L311" href="#L311">311</a> setSystemEventVariable(exctx.getScInstance(), event, <strong class="jxr_keyword">true</strong>);
+<a class="jxr_linenumber" name="L312" href="#L312">312</a> step = <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/commons/scxml2/semantics/Step.html">Step</a>(event);
+<a class="jxr_linenumber" name="L313" href="#L313">313</a> selectTransitions(exctx, step);
+<a class="jxr_linenumber" name="L314" href="#L314">314</a> }
+<a class="jxr_linenumber" name="L315" href="#L315">315</a> }
+<a class="jxr_linenumber" name="L316" href="#L316">316</a> }
+<a class="jxr_linenumber" name="L317" href="#L317">317</a> <strong class="jxr_keyword">if</strong> (step.getTransitList().isEmpty()) {
+<a class="jxr_linenumber" name="L318" href="#L318">318</a> macroStepDone = <strong class="jxr_keyword">true</strong>;
+<a class="jxr_linenumber" name="L319" href="#L319">319</a> }
+<a class="jxr_linenumber" name="L320" href="#L320">320</a> <strong class="jxr_keyword">else</strong> {
+<a class="jxr_linenumber" name="L321" href="#L321">321</a> microStep(exctx, step, statesToInvoke);
+<a class="jxr_linenumber" name="L322" href="#L322">322</a> setSystemAllStatesVariable(exctx.getScInstance());
+<a class="jxr_linenumber" name="L323" href="#L323">323</a> }
+<a class="jxr_linenumber" name="L324" href="#L324">324</a>
+<a class="jxr_linenumber" name="L325" href="#L325">325</a> } <strong class="jxr_keyword">while</strong> (exctx.isRunning() && !macroStepDone);
<a class="jxr_linenumber" name="L326" href="#L326">326</a>
-<a class="jxr_linenumber" name="L327" href="#L327">327</a> } <strong class="jxr_keyword">while</strong> (exctx.isRunning() && !macroStepDone);
-<a class="jxr_linenumber" name="L328" href="#L328">328</a>
-<a class="jxr_linenumber" name="L329" href="#L329">329</a> <strong class="jxr_keyword">if</strong> (exctx.isRunning() && !statesToInvoke.isEmpty()) {
-<a class="jxr_linenumber" name="L330" href="#L330">330</a> initiateInvokes(exctx, statesToInvoke);
-<a class="jxr_linenumber" name="L331" href="#L331">331</a> statesToInvoke.clear();
-<a class="jxr_linenumber" name="L332" href="#L332">332</a> }
-<a class="jxr_linenumber" name="L333" href="#L333">333</a> } <strong class="jxr_keyword">while</strong> (exctx.isRunning() && exctx.hasPendingInternalEvent());
-<a class="jxr_linenumber" name="L334" href="#L334">334</a> }
-<a class="jxr_linenumber" name="L335" href="#L335">335</a>
-<a class="jxr_linenumber" name="L336" href="#L336">336</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L337" href="#L337">337</a> <em class="jxr_javadoccomment"> * Compute and store the set of states to exit for the current list of transitions in the provided step.</em>
+<a class="jxr_linenumber" name="L327" href="#L327">327</a> <strong class="jxr_keyword">if</strong> (exctx.isRunning() && !statesToInvoke.isEmpty()) {
+<a class="jxr_linenumber" name="L328" href="#L328">328</a> initiateInvokes(exctx, statesToInvoke);
+<a class="jxr_linenumber" name="L329" href="#L329">329</a> statesToInvoke.clear();
+<a class="jxr_linenumber" name="L330" href="#L330">330</a> }
+<a class="jxr_linenumber" name="L331" href="#L331">331</a> } <strong class="jxr_keyword">while</strong> (exctx.isRunning() && exctx.hasPendingInternalEvent());
+<a class="jxr_linenumber" name="L332" href="#L332">332</a> }
+<a class="jxr_linenumber" name="L333" href="#L333">333</a>
+<a class="jxr_linenumber" name="L334" href="#L334">334</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L335" href="#L335">335</a> <em class="jxr_javadoccomment"> * Compute and store the set of states to exit for the current list of transitions in the provided step.</em>
+<a class="jxr_linenumber" name="L336" href="#L336">336</a> <em class="jxr_javadoccomment"> * <p></em>
+<a class="jxr_linenumber" name="L337" href="#L337">337</a> <em class="jxr_javadoccomment"> * This method corresponds to the Algorithm for SCXML processing computeExitSet() procedure.</em>
<a class="jxr_linenumber" name="L338" href="#L338">338</a> <em class="jxr_javadoccomment"> * <p></em>
-<a class="jxr_linenumber" name="L339" href="#L339">339</a> <em class="jxr_javadoccomment"> * This method corresponds to the Algorithm for SCXML processing computeExitSet() procedure.</em>
-<a class="jxr_linenumber" name="L340" href="#L340">340</a> <em class="jxr_javadoccomment"> * <p></em>
-<a class="jxr_linenumber" name="L341" href="#L341">341</a> <em class="jxr_javadoccomment"> * @param step The step containing the list of transitions to be taken</em>
-<a class="jxr_linenumber" name="L342" href="#L342">342</a> <em class="jxr_javadoccomment"> * @param configuration The current configuration of the state machine ({@link Status#getAllStates()}).</em>
-<a class="jxr_linenumber" name="L343" href="#L343">343</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L344" href="#L344">344</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> computeExitSet(<strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/commons/scxml2/semantics/Step.html">Step</a> step, <strong class="jxr_keyword">final</strong> Set<EnterableState> configuration) {
-<a class="jxr_linenumber" name="L345" href="#L345">345</a> <strong class="jxr_keyword">for</strong> (SimpleTransition st : step.getTransitList()) {
-<a class="jxr_linenumber" name="L346" href="#L346">346</a> computeExitSet(st, step.getExitSet(), configuration);
-<a class="jxr_linenumber" name="L347" href="#L347">347</a> }
-<a class="jxr_linenumber" name="L348" href="#L348">348</a> }
-<a class="jxr_linenumber" name="L349" href="#L349">349</a>
-<a class="jxr_linenumber" name="L350" href="#L350">350</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L351" href="#L351">351</a> <em class="jxr_javadoccomment"> * Compute and store the set of states to exit for one specific transition in the provided step.</em>
-<a class="jxr_linenumber" name="L352" href="#L352">352</a> <em class="jxr_javadoccomment"> * <p></em>
-<a class="jxr_linenumber" name="L353" href="#L353">353</a> <em class="jxr_javadoccomment"> * This method corresponds to the Algorithm for SCXML processing computeExitSet() procedure.</em>
+<a class="jxr_linenumber" name="L339" href="#L339">339</a> <em class="jxr_javadoccomment"> * @param step The step containing the list of transitions to be taken</em>
+<a class="jxr_linenumber" name="L340" href="#L340">340</a> <em class="jxr_javadoccomment"> * @param currentStatus The current status of the state machine ({@link SCInstance#getCurrentStatus()}).</em>
+<a class="jxr_linenumber" name="L341" href="#L341">341</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L342" href="#L342">342</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> computeExitSet(<strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/commons/scxml2/semantics/Step.html">Step</a> step, <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/commons/scxml2/Status.html">Status</a> currentStatus) {
+<a class="jxr_linenumber" name="L343" href="#L343">343</a> <strong class="jxr_keyword">if</strong> (!currentStatus.getStates().isEmpty()) {
+<a class="jxr_linenumber" name="L344" href="#L344">344</a> Set<EnterableState> configuration = currentStatus.getAllStates();
+<a class="jxr_linenumber" name="L345" href="#L345">345</a> <strong class="jxr_keyword">for</strong> (SimpleTransition st : step.getTransitList()) {
+<a class="jxr_linenumber" name="L346" href="#L346">346</a> computeExitSet(st, step.getExitSet(), configuration);
+<a class="jxr_linenumber" name="L347" href="#L347">347</a> }
+<a class="jxr_linenumber" name="L348" href="#L348">348</a> recordHistory(step, currentStatus.getStates(), configuration);
+<a class="jxr_linenumber" name="L349" href="#L349">349</a> }
+<a class="jxr_linenumber" name="L350" href="#L350">350</a> }
+<a class="jxr_linenumber" name="L351" href="#L351">351</a>
+<a class="jxr_linenumber" name="L352" href="#L352">352</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L353" href="#L353">353</a> <em class="jxr_javadoccomment"> * Compute and store the set of states to exit for one specific transition in the provided step.</em>
<a class="jxr_linenumber" name="L354" href="#L354">354</a> <em class="jxr_javadoccomment"> * <p></em>
-<a class="jxr_linenumber" name="L355" href="#L355">355</a> <em class="jxr_javadoccomment"> * @param transition The transition to compute the states to exit from</em>
-<a class="jxr_linenumber" name="L356" href="#L356">356</a> <em class="jxr_javadoccomment"> * @param exitSet The set for adding the states to exit to</em>
-<a class="jxr_linenumber" name="L357" href="#L357">357</a> <em class="jxr_javadoccomment"> * @param configuration The current configuration of the state machine ({@link Status#getAllStates()}).</em>
-<a class="jxr_linenumber" name="L358" href="#L358">358</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L359" href="#L359">359</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> computeExitSet(<a href="../../../../../org/apache/commons/scxml2/model/SimpleTransition.html">SimpleTransition</a> transition, Set<EnterableState> exitSet, Set<EnterableState> configuration) {
-<a class="jxr_linenumber" name="L360" href="#L360">360</a> <strong class="jxr_keyword">if</strong> (!transition.getTargets().isEmpty()) {
-<a class="jxr_linenumber" name="L361" href="#L361">361</a> <a href="../../../../../org/apache/commons/scxml2/model/TransitionalState.html">TransitionalState</a> transitionDomain = transition.getTransitionDomain();
-<a class="jxr_linenumber" name="L362" href="#L362">362</a> <strong class="jxr_keyword">if</strong> (transitionDomain == <strong class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="L363" href="#L363">363</a> <em class="jxr_comment">// root transition: every active state will be exited</em>
-<a class="jxr_linenumber" name="L364" href="#L364">364</a> exitSet.addAll(configuration);
-<a class="jxr_linenumber" name="L365" href="#L365">365</a> }
-<a class="jxr_linenumber" name="L366" href="#L366">366</a> <strong class="jxr_keyword">else</strong> {
-<a class="jxr_linenumber" name="L367" href="#L367">367</a> <strong class="jxr_keyword">for</strong> (EnterableState state : configuration) {
-<a class="jxr_linenumber" name="L368" href="#L368">368</a> <strong class="jxr_keyword">if</strong> (state.isDescendantOf(transitionDomain)) {
-<a class="jxr_linenumber" name="L369" href="#L369">369</a> exitSet.add(state);
-<a class="jxr_linenumber" name="L370" href="#L370">370</a> }
-<a class="jxr_linenumber" name="L371" href="#L371">371</a> }
-<a class="jxr_linenumber" name="L372" href="#L372">372</a> }
-<a class="jxr_linenumber" name="L373" href="#L373">373</a> }
-<a class="jxr_linenumber" name="L374" href="#L374">374</a> }
-<a class="jxr_linenumber" name="L375" href="#L375">375</a>
-<a class="jxr_linenumber" name="L376" href="#L376">376</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L377" href="#L377">377</a> <em class="jxr_javadoccomment"> * Compute and store the set of states to enter for the current list of transitions in the provided step.</em>
-<a class="jxr_linenumber" name="L378" href="#L378">378</a> <em class="jxr_javadoccomment"> * <p></em>
-<a class="jxr_linenumber" name="L379" href="#L379">379</a> <em class="jxr_javadoccomment"> * This method corresponds to the Algorithm for SCXML processing computeEntrySet() procedure.</em>
+<a class="jxr_linenumber" name="L355" href="#L355">355</a> <em class="jxr_javadoccomment"> * This method corresponds to the Algorithm for SCXML processing computeExitSet() procedure.</em>
+<a class="jxr_linenumber" name="L356" href="#L356">356</a> <em class="jxr_javadoccomment"> * <p></em>
+<a class="jxr_linenumber" name="L357" href="#L357">357</a> <em class="jxr_javadoccomment"> * @param transition The transition to compute the states to exit from</em>
+<a class="jxr_linenumber" name="L358" href="#L358">358</a> <em class="jxr_javadoccomment"> * @param exitSet The set for adding the states to exit to</em>
+<a class="jxr_linenumber" name="L359" href="#L359">359</a> <em class="jxr_javadoccomment"> * @param configuration The current configuration of the state machine ({@link Status#getAllStates()}).</em>
+<a class="jxr_linenumber" name="L360" href="#L360">360</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L361" href="#L361">361</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> computeExitSet(<a href="../../../../../org/apache/commons/scxml2/model/SimpleTransition.html">SimpleTransition</a> transition, Set<EnterableState> exitSet, Set<EnterableState> configuration) {
+<a class="jxr_linenumber" name="L362" href="#L362">362</a> <strong class="jxr_keyword">if</strong> (!transition.getTargets().isEmpty()) {
+<a class="jxr_linenumber" name="L363" href="#L363">363</a> <a href="../../../../../org/apache/commons/scxml2/model/TransitionalState.html">TransitionalState</a> transitionDomain = transition.getTransitionDomain();
+<a class="jxr_linenumber" name="L364" href="#L364">364</a> <strong class="jxr_keyword">if</strong> (transitionDomain == <strong class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="L365" href="#L365">365</a> <em class="jxr_comment">// root transition: every active state will be exited</em>
+<a class="jxr_linenumber" name="L366" href="#L366">366</a> exitSet.addAll(configuration);
+<a class="jxr_linenumber" name="L367" href="#L367">367</a> }
+<a class="jxr_linenumber" name="L368" href="#L368">368</a> <strong class="jxr_keyword">else</strong> {
+<a class="jxr_linenumber" name="L369" href="#L369">369</a> <strong class="jxr_keyword">for</strong> (EnterableState state : configuration) {
+<a class="jxr_linenumber" name="L370" href="#L370">370</a> <strong class="jxr_keyword">if</strong> (state.isDescendantOf(transitionDomain)) {
+<a class="jxr_linenumber" name="L371" href="#L371">371</a> exitSet.add(state);
+<a class="jxr_linenumber" name="L372" href="#L372">372</a> }
+<a class="jxr_linenumber" name="L373" href="#L373">373</a> }
+<a class="jxr_linenumber" name="L374" href="#L374">374</a> }
+<a class="jxr_linenumber" name="L375" href="#L375">375</a> }
+<a class="jxr_linenumber" name="L376" href="#L376">376</a> }
+<a class="jxr_linenumber" name="L377" href="#L377">377</a>
+<a class="jxr_linenumber" name="L378" href="#L378">378</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L379" href="#L379">379</a> <em class="jxr_javadoccomment"> * Record the history configurations for states to exit if applicable and temporarily store this in the step.</em>
<a class="jxr_linenumber" name="L380" href="#L380">380</a> <em class="jxr_javadoccomment"> * <p></em>
-<a class="jxr_linenumber" name="L381" href="#L381">381</a> <em class="jxr_javadoccomment"> * @param exctx The execution context for this step</em>
-<a class="jxr_linenumber" name="L382" href="#L382">382</a> <em class="jxr_javadoccomment"> * @param step The step containing the list of transitions to be taken</em>
-<a class="jxr_linenumber" name="L383" href="#L383">383</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L384" href="#L384">384</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> computeEntrySet(<strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/commons/scxml2/SCXMLExecutionContext.html">SCXMLExecutionContext</a> exctx, <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/commons/scxml2/semantics/Step.html">Step</a> step) {
-<a class="jxr_linenumber" name="L385" href="#L385">385</a> Set<History> historyTargets = <strong class="jxr_keyword">new</strong> HashSet<History>();
-<a class="jxr_linenumber" name="L386" href="#L386">386</a> Set<EnterableState> entrySet = <strong class="jxr_keyword">new</strong> HashSet<EnterableState>();
-<a class="jxr_linenumber" name="L387" href="#L387">387</a> <strong class="jxr_keyword">for</strong> (SimpleTransition st : step.getTransitList()) {
-<a class="jxr_linenumber" name="L388" href="#L388">388</a> <strong class="jxr_keyword">for</strong> (TransitionTarget tt : st.getTargets()) {
-<a class="jxr_linenumber" name="L389" href="#L389">389</a> <strong class="jxr_keyword">if</strong> (tt instanceof EnterableState) {
-<a class="jxr_linenumber" name="L390" href="#L390">390</a> entrySet.add((EnterableState) tt);
-<a class="jxr_linenumber" name="L391" href="#L391">391</a> }
-<a class="jxr_linenumber" name="L392" href="#L392">392</a> <strong class="jxr_keyword">else</strong> {
-<a class="jxr_linenumber" name="L393" href="#L393">393</a> <em class="jxr_comment">// History</em>
-<a class="jxr_linenumber" name="L394" href="#L394">394</a> historyTargets.add((History)tt);
-<a class="jxr_linenumber" name="L395" href="#L395">395</a> }
-<a class="jxr_linenumber" name="L396" href="#L396">396</a> }
-<a class="jxr_linenumber" name="L397" href="#L397">397</a> }
-<a class="jxr_linenumber" name="L398" href="#L398">398</a> <strong class="jxr_keyword">for</strong> (EnterableState es : entrySet) {
-<a class="jxr_linenumber" name="L399" href="#L399">399</a> addDescendantStatesToEnter(exctx, step, es);
-<a class="jxr_linenumber" name="L400" href="#L400">400</a> }
-<a class="jxr_linenumber" name="L401" href="#L401">401</a> <strong class="jxr_keyword">for</strong> (History h : historyTargets) {
-<a class="jxr_linenumber" name="L402" href="#L402">402</a> addDescendantStatesToEnter(exctx, step, h);
-<a class="jxr_linenumber" name="L403" href="#L403">403</a> }
-<a class="jxr_linenumber" name="L404" href="#L404">404</a> <strong class="jxr_keyword">for</strong> (SimpleTransition st : step.getTransitList()) {
-<a class="jxr_linenumber" name="L405" href="#L405">405</a> <a href="../../../../../org/apache/commons/scxml2/model/TransitionalState.html">TransitionalState</a> ancestor = st.getTransitionDomain();
-<a class="jxr_linenumber" name="L406" href="#L406">406</a> <strong class="jxr_keyword">for</strong> (TransitionTarget tt : st.getTargets()) {
-<a class="jxr_linenumber" name="L407" href="#L407">407</a> addAncestorStatesToEnter(exctx, step, tt, ancestor);
-<a class="jxr_linenumber" name="L408" href="#L408">408</a> }
-<a class="jxr_linenumber" name="L409" href="#L409">409</a> }
-<a class="jxr_linenumber" name="L410" href="#L410">410</a> }
-<a class="jxr_linenumber" name="L411" href="#L411">411</a>
-<a class="jxr_linenumber" name="L412" href="#L412">412</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L413" href="#L413">413</a> <em class="jxr_javadoccomment"> * This method corresponds to the Algorithm for SCXML processing addDescendantStatesToEnter() procedure.</em>
-<a class="jxr_linenumber" name="L414" href="#L414">414</a> <em class="jxr_javadoccomment"> *</em>
-<a class="jxr_linenumber" name="L415" href="#L415">415</a> <em class="jxr_javadoccomment"> * @param exctx The execution context for this step</em>
-<a class="jxr_linenumber" name="L416" href="#L416">416</a> <em class="jxr_javadoccomment"> * @param step The step</em>
-<a class="jxr_linenumber" name="L417" href="#L417">417</a> <em class="jxr_javadoccomment"> * @param tt The TransitionTarget</em>
-<a class="jxr_linenumber" name="L418" href="#L418">418</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L419" href="#L419">419</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> addDescendantStatesToEnter(<strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/commons/scxml2/SCXMLExecutionContext.html">SCXMLExecutionContext</a> exctx, <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/commons/scxml2/semantics/Step.html">Step</a> step,
-<a class="jxr_linenumber" name="L420" href="#L420">420</a> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/commons/scxml2/model/TransitionTarget.html">TransitionTarget</a> tt) {
-<a class="jxr_linenumber" name="L421" href="#L421">421</a> <strong class="jxr_keyword">if</strong> (tt instanceof History) {
-<a class="jxr_linenumber" name="L422" href="#L422">422</a> <a href="../../../../../org/apache/commons/scxml2/model/History.html">History</a> h = (History) tt;
-<a class="jxr_linenumber" name="L423" href="#L423">423</a> <strong class="jxr_keyword">if</strong> (exctx.getScInstance().isEmpty(h)) {
-<a class="jxr_linenumber" name="L424" href="#L424">424</a> step.getDefaultHistoryTransitionEntryMap().put(h.getParent(), h.getTransition());
-<a class="jxr_linenumber" name="L425" href="#L425">425</a> <strong class="jxr_keyword">for</strong> (TransitionTarget dtt : h.getTransition().getTargets()) {
-<a class="jxr_linenumber" name="L426" href="#L426">426</a> addDescendantStatesToEnter(exctx, step, dtt);
-<a class="jxr_linenumber" name="L427" href="#L427">427</a> addAncestorStatesToEnter(exctx, step, dtt, tt.getParent());
-<a class="jxr_linenumber" name="L428" href="#L428">428</a> }
-<a class="jxr_linenumber" name="L429" href="#L429">429</a> } <strong class="jxr_keyword">else</strong> {
-<a class="jxr_linenumber" name="L430" href="#L430">430</a> <strong class="jxr_keyword">for</strong> (TransitionTarget dtt : exctx.getScInstance().getLastConfiguration(h)) {
-<a class="jxr_linenumber" name="L431" href="#L431">431</a> addDescendantStatesToEnter(exctx, step, dtt);
-<a class="jxr_linenumber" name="L432" href="#L432">432</a> addAncestorStatesToEnter(exctx, step, dtt, tt.getParent());
-<a class="jxr_linenumber" name="L433" href="#L433">433</a> }
-<a class="jxr_linenumber" name="L434" href="#L434">434</a> }
-<a class="jxr_linenumber" name="L435" href="#L435">435</a> }
-<a class="jxr_linenumber" name="L436" href="#L436">436</a> <strong class="jxr_keyword">else</strong> { <em class="jxr_comment">// tt instanceof EnterableState</em>
-<a class="jxr_linenumber" name="L437" href="#L437">437</a> <a href="../../../../../org/apache/commons/scxml2/model/EnterableState.html">EnterableState</a> es = (EnterableState)tt;
-<a class="jxr_linenumber" name="L438" href="#L438">438</a> step.getEntrySet().add(es);
-<a class="jxr_linenumber" name="L439" href="#L439">439</a> <strong class="jxr_keyword">if</strong> (es instanceof Parallel) {
-<a class="jxr_linenumber" name="L440" href="#L440">440</a> <strong class="jxr_keyword">for</strong> (EnterableState child : ((Parallel)es).getChildren()) {
-<a class="jxr_linenumber" name="L441" href="#L441">441</a> <strong class="jxr_keyword">if</strong> (!containsDescendant(step.getEntrySet(), child)) {
-<a class="jxr_linenumber" name="L442" href="#L442">442</a> addDescendantStatesToEnter(exctx, step, child);
-<a class="jxr_linenumber" name="L443" href="#L443">443</a> }
-<a class="jxr_linenumber" name="L444" href="#L444">444</a> }
-<a class="jxr_linenumber" name="L445" href="#L445">445</a> }
-<a class="jxr_linenumber" name="L446" href="#L446">446</a> <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (es instanceof State && ((State) es).isComposite()) {
-<a class="jxr_linenumber" name="L447" href="#L447">447</a> step.getDefaultEntrySet().add(es);
-<a class="jxr_linenumber" name="L448" href="#L448">448</a> <strong class="jxr_keyword">for</strong> (TransitionTarget dtt : ((State)es).getInitial().getTransition().getTargets()) {
-<a class="jxr_linenumber" name="L449" href="#L449">449</a> addDescendantStatesToEnter(exctx, step, dtt);
-<a class="jxr_linenumber" name="L450" href="#L450">450</a> addAncestorStatesToEnter(exctx, step, dtt, tt);
-<a class="jxr_linenumber" name="L451" href="#L451">451</a> }
-<a class="jxr_linenumber" name="L452" href="#L452">452</a> }
-<a class="jxr_linenumber" name="L453" href="#L453">453</a> }
-<a class="jxr_linenumber" name="L454" href="#L454">454</a> }
-<a class="jxr_linenumber" name="L455" href="#L455">455</a>
-<a class="jxr_linenumber" name="L456" href="#L456">456</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L457" href="#L457">457</a> <em class="jxr_javadoccomment"> * This method corresponds to the Algorithm for SCXML processing addAncestorStatesToEnter() procedure.</em>
-<a class="jxr_linenumber" name="L458" href="#L458">458</a> <em class="jxr_javadoccomment"> *</em>
-<a class="jxr_linenumber" name="L459" href="#L459">459</a> <em class="jxr_javadoccomment"> * @param exctx The execution context for this step</em>
-<a class="jxr_linenumber" name="L460" href="#L460">460</a> <em class="jxr_javadoccomment"> * @param step The step</em>
-<a class="jxr_linenumber" name="L461" href="#L461">461</a> <em class="jxr_javadoccomment"> * @param tt The TransitionTarget</em>
-<a class="jxr_linenumber" name="L462" href="#L462">462</a> <em class="jxr_javadoccomment"> * @param ancestor The ancestor TransitionTarget</em>
-<a class="jxr_linenumber" name="L463" href="#L463">463</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L464" href="#L464">464</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> addAncestorStatesToEnter(<strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/commons/scxml2/SCXMLExecutionContext.html">SCXMLExecutionContext</a> exctx, <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/commons/scxml2/semantics/Step.html">Step</a> step,
-<a class="jxr_linenumber" name="L465" href="#L465">465</a> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/commons/scxml2/model/TransitionTarget.html">TransitionTarget</a> tt, <a href="../../../../../org/apache/commons/scxml2/model/TransitionTarget.html">TransitionTarget</a> ancestor) {
-<a class="jxr_linenumber" name="L466" href="#L466">466</a> <em class="jxr_comment">// for for anc in getProperAncestors(tt,ancestor)</em>
-<a class="jxr_linenumber" name="L467" href="#L467">467</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = tt.getNumberOfAncestors()-1; i > -1; i--) {
-<a class="jxr_linenumber" name="L468" href="#L468">468</a> <a href="../../../../../org/apache/commons/scxml2/model/EnterableState.html">EnterableState</a> anc = tt.getAncestor(i);
-<a class="jxr_linenumber" name="L469" href="#L469">469</a> <strong class="jxr_keyword">if</strong> (anc == ancestor) {
-<a class="jxr_linenumber" name="L470" href="#L470">470</a> <strong class="jxr_keyword">break</strong>;
-<a class="jxr_linenumber" name="L471" href="#L471">471</a> }
-<a class="jxr_linenumber" name="L472" href="#L472">472</a> step.getEntrySet().add(anc);
-<a class="jxr_linenumber" name="L473" href="#L473">473</a> <strong class="jxr_keyword">if</strong> (anc instanceof Parallel) {
-<a class="jxr_linenumber" name="L474" href="#L474">474</a> <strong class="jxr_keyword">for</strong> (EnterableState child : ((Parallel)anc).getChildren()) {
-<a class="jxr_linenumber" name="L475" href="#L475">475</a> <strong class="jxr_keyword">if</strong> (!containsDescendant(step.getEntrySet(), child)) {
-<a class="jxr_linenumber" name="L476" href="#L476">476</a> addDescendantStatesToEnter(exctx, step, child);
-<a class="jxr_linenumber" name="L477" href="#L477">477</a> }
-<a class="jxr_linenumber" name="L478" href="#L478">478</a> }
-<a class="jxr_linenumber" name="L479" href="#L479">479</a>
-<a class="jxr_linenumber" name="L480" href="#L480">480</a> }
-<a class="jxr_linenumber" name="L481" href="#L481">481</a> }
-<a class="jxr_linenumber" name="L482" href="#L482">482</a> }
-<a class="jxr_linenumber" name="L483" href="#L483">483</a>
-<a class="jxr_linenumber" name="L484" href="#L484">484</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L485" href="#L485">485</a> <em class="jxr_javadoccomment"> * @return Returns true if a member of the provided states set is a descendant of the provided state.</em>
-<a class="jxr_linenumber" name="L486" href="#L486">486</a> <em class="jxr_javadoccomment"> * @param states the set of states to check for descendants</em>
-<a class="jxr_linenumber" name="L487" href="#L487">487</a> <em class="jxr_javadoccomment"> * @param state the state to check with</em>
-<a class="jxr_linenumber" name="L488" href="#L488">488</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L489" href="#L489">489</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> containsDescendant(Set<EnterableState> states, <a href="../../../../../org/apache/commons/scxml2/model/EnterableState.html">EnterableState</a> state) {
-<a class="jxr_linenumber" name="L490" href="#L490">490</a> <strong class="jxr_keyword">for</strong> (EnterableState es : states) {
-<a class="jxr_linenumber" name="L491" href="#L491">491</a> <strong class="jxr_keyword">if</strong> (es.isDescendantOf(state)) {
-<a class="jxr_linenumber" name="L492" href="#L492">492</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>;
-<a class="jxr_linenumber" name="L493" href="#L493">493</a> }
-<a class="jxr_linenumber" name="L494" href="#L494">494</a> }
-<a class="jxr_linenumber" name="L495" href="#L495">495</a> <strong class="jxr_keyword">return</strong> false;
-<a class="jxr_linenumber" name="L496" href="#L496">496</a> }
-<a class="jxr_linenumber" name="L497" href="#L497">497</a>
-<a class="jxr_linenumber" name="L498" href="#L498">498</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L499" href="#L499">499</a> <em class="jxr_javadoccomment"> * This method corresponds to the Algorithm for SCXML processing selectTransitions() as well as the</em>
-<a class="jxr_linenumber" name="L500" href="#L500">500</a> <em class="jxr_javadoccomment"> * selectEventlessTransitions() procedure, depending on the event (or null) in the provided step</em>
-<a class="jxr_linenumber" name="L501" href="#L501">501</a> <em class="jxr_javadoccomment"> * <p></em>
-<a class="jxr_linenumber" name="L502" href="#L502">502</a> <em class="jxr_javadoccomment"> * @param exctx The execution context for this step</em>
-<a class="jxr_linenumber" name="L503" href="#L503">503</a> <em class="jxr_javadoccomment"> * @param step The step</em>
-<a class="jxr_linenumber" name="L504" href="#L504">504</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L505" href="#L505">505</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> selectTransitions(<strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/commons/scxml2/SCXMLExecutionContext.html">SCXMLExecutionContext</a> exctx, <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/commons/scxml2/semantics/Step.html">Step</a> step) <strong class="jxr_keyword">throws</strong> ModelException {
-<a class="jxr_linenumber" name="L506" href="#L506">506</a> step.getTransitList().clear();
-<a class="jxr_linenumber" name="L507" href="#L507">507</a> ArrayList<Transition> enabledTransitions = <strong class="jxr_keyword">new</strong> ArrayList<Transition>();
-<a class="jxr_linenumber" name="L508" href="#L508">508</a>
-<a class="jxr_linenumber" name="L509" href="#L509">509</a> ArrayList<EnterableState> configuration = <strong class="jxr_keyword">new</strong> ArrayList<EnterableState>(exctx.getScInstance().getCurrentStatus().getAllStates());
-<a class="jxr_linenumber" name="L510" href="#L510">510</a> Collections.sort(configuration,DocumentOrder.documentOrderComparator);
-<a class="jxr_linenumber" name="L511" href="#L511">511</a>
-<a class="jxr_linenumber" name="L512" href="#L512">512</a> HashSet<EnterableState> visited = <strong class="jxr_keyword">new</strong> HashSet<EnterableState>();
-<a class="jxr_linenumber" name="L513" href="#L513">513</a>
-<a class="jxr_linenumber" name="L514" href="#L514">514</a> String eventName = step.getEvent() != <strong class="jxr_keyword">null</strong> ? step.getEvent().getName() : <strong class="jxr_keyword">null</strong>;
-<a class="jxr_linenumber" name="L515" href="#L515">515</a> <strong class="jxr_keyword">for</strong> (EnterableState es : configuration) {
-<a class="jxr_linenumber" name="L516" href="#L516">516</a> <strong class="jxr_keyword">if</strong> (es.isAtomicState()) {
-<a class="jxr_linenumber" name="L517" href="#L517">517</a> <strong class="jxr_keyword">if</strong> (es instanceof Final) {
-<a class="jxr_linenumber" name="L518" href="#L518">518</a> <em class="jxr_comment">// Final states don't have transitions, skip to parent</em>
-<a class="jxr_linenumber" name="L519" href="#L519">519</a> <strong class="jxr_keyword">if</strong> (es.getParent() == <strong class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="L520" href="#L520">520</a> <em class="jxr_comment">// should not happen: a top level active Final state should have stopped the state machine</em>
-<a class="jxr_linenumber" name="L521" href="#L521">521</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/commons/scxml2/model/ModelException.html">ModelException</a>(<span class="jxr_string">"Illegal state machine configuration: encountered top level <final> "</span>
-<a class="jxr_linenumber" name="L522" href="#L522">522</a> + <span class="jxr_string">"state while processing an event"</span>);
-<a class="jxr_linenumber" name="L523" href="#L523">523</a> }
-<a class="jxr_linenumber" name="L524" href="#L524">524</a> <strong class="jxr_keyword">else</strong> {
-<a class="jxr_linenumber" name="L525" href="#L525">525</a> es = es.getParent();
-<a class="jxr_linenumber" name="L526" href="#L526">526</a> }
-<a class="jxr_linenumber" name="L527" href="#L527">527</a> }
-<a class="jxr_linenumber" name="L528" href="#L528">528</a> <a href="../../../../../org/apache/commons/scxml2/model/TransitionalState.html">TransitionalState</a> state = (TransitionalState)es;
-<a class="jxr_linenumber" name="L529" href="#L529">529</a> <a href="../../../../../org/apache/commons/scxml2/model/TransitionalState.html">TransitionalState</a> current = state;
-<a class="jxr_linenumber" name="L530" href="#L530">530</a> <strong class="jxr_keyword">int</strong> ancestorIndex = state.getNumberOfAncestors()-1;
-<a class="jxr_linenumber" name="L531" href="#L531">531</a> <strong class="jxr_keyword">boolean</strong> transitionMatched = false;
-<a class="jxr_linenumber" name="L532" href="#L532">532</a> <strong class="jxr_keyword">do</strong> {
-<a class="jxr_linenumber" name="L533" href="#L533">533</a> <strong class="jxr_keyword">for</strong> (Transition transition : current.getTransitionsList()) {
-<a class="jxr_linenumber" name="L534" href="#L534">534</a> <strong class="jxr_keyword">if</strong> (transitionMatched = matchTransition(exctx, transition, eventName)) {
-<a class="jxr_linenumber" name="L535" href="#L535">535</a> enabledTransitions.add(transition);
-<a class="jxr_linenumber" name="L536" href="#L536">536</a> <strong class="jxr_keyword">break</strong>;
-<a class="jxr_linenumber" name="L537" href="#L537">537</a> }
-<a class="jxr_linenumber" name="L538" href="#L538">538</a> }
-<a class="jxr_linenumber" name="L539" href="#L539">539</a> current = (!transitionMatched && ancestorIndex > -1) ? state.getAncestor(ancestorIndex--) : <strong class="jxr_keyword">null</strong>;
-<a class="jxr_linenumber" name="L540" href="#L540">540</a> } <strong class="jxr_keyword">while</strong> (!transitionMatched && current != <strong class="jxr_keyword">null</strong> && visited.add(current));
-<a class="jxr_linenumber" name="L541" href="#L541">541</a> }
-<a class="jxr_linenumber" name="L542" href="#L542">542</a> }
-<a class="jxr_linenumber" name="L543" href="#L543">543</a> removeConflictingTransitions(exctx, step, enabledTransitions);
-<a class="jxr_linenumber" name="L544" href="#L544">544</a> }
-<a class="jxr_linenumber" name="L545" href="#L545">545</a>
-<a class="jxr_linenumber" name="L546" href="#L546">546</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L547" href="#L547">547</a> <em class="jxr_javadoccomment"> * This method corresponds to the Algorithm for SCXML processing removeConflictingTransitions() procedure.</em>
-<a class="jxr_linenumber" name="L548" href="#L548">548</a> <em class="jxr_javadoccomment"> *</em>
-<a class="jxr_linenumber" name="L549" href="#L549">549</a> <em class="jxr_javadoccomment"> * @param exctx The execution context for this step</em>
-<a class="jxr_linenumber" name="L550" href="#L550">550</a> <em class="jxr_javadoccomment"> * @param step The step</em>
-<a class="jxr_linenumber" name="L551" href="#L551">551</a> <em class="jxr_javadoccomment"> * @param enabledTransitions The list of enabled transitions</em>
-<a class="jxr_linenumber" name="L552" href="#L552">552</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L553" href="#L553">553</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> removeConflictingTransitions(<strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/commons/scxml2/SCXMLExecutionContext.html">SCXMLExecutionContext</a> exctx, <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/commons/scxml2/semantics/Step.html">Step</a> step,
-<a class="jxr_linenumber" name="L554" href="#L554">554</a> <strong class="jxr_keyword">final</strong> List<Transition> enabledTransitions) {
-<a class="jxr_linenumber" name="L555" href="#L555">555</a> LinkedHashSet<Transition> filteredTransitions = <strong class="jxr_keyword">new</strong> LinkedHashSet<Transition>();
-<a class="jxr_linenumber" name="L556" href="#L556">556</a> LinkedHashSet<Transition> preemptedTransitions = <strong class="jxr_keyword">new</strong> LinkedHashSet<Transition>();
-<a class="jxr_linenumber" name="L557" href="#L557">557</a> Map<Transition, Set<EnterableState>> exitSets = <strong class="jxr_keyword">new</strong> HashMap<Transition, Set<EnterableState>>();
-<a class="jxr_linenumber" name="L558" href="#L558">558</a>
-<a class="jxr_linenumber" name="L559" href="#L559">559</a> Set<EnterableState> configuration = exctx.getScInstance().getCurrentStatus().getAllStates();
-<a class="jxr_linenumber" name="L560" href="#L560">560</a> Collections.sort(enabledTransitions, DocumentOrder.documentOrderComparator);
-<a class="jxr_linenumber" name="L561" href="#L561">561</a>
-<a class="jxr_linenumber" name="L562" href="#L562">562</a> <strong class="jxr_keyword">for</strong> (Transition t1 : enabledTransitions) {
-<a class="jxr_linenumber" name="L563" href="#L563">563</a> <strong class="jxr_keyword">boolean</strong> t1Preempted = false;
-<a class="jxr_linenumber" name="L564" href="#L564">564</a> Set<EnterableState> t1ExitSet = exitSets.get(t1);
-<a class="jxr_linenumber" name="L565" href="#L565">565</a> <strong class="jxr_keyword">for</strong> (Transition t2 : filteredTransitions) {
-<a class="jxr_linenumber" name="L566" href="#L566">566</a> <strong class="jxr_keyword">if</strong> (t1ExitSet == <strong class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="L567" href="#L567">567</a> t1ExitSet = <strong class="jxr_keyword">new</strong> HashSet<EnterableState>();
-<a class="jxr_linenumber" name="L568" href="#L568">568</a> computeExitSet(t1, t1ExitSet, configuration);
-<a class="jxr_linenumber" name="L569" href="#L569">569</a> exitSets.put(t1, t1ExitSet);
-<a class="jxr_linenumber" name="L570" href="#L570">570</a> }
-<a class="jxr_linenumber" name="L571" href="#L571">571</a> Set<EnterableState> t2ExitSet = exitSets.get(t2);
-<a class="jxr_linenumber" name="L572" href="#L572">572</a> <strong class="jxr_keyword">if</strong> (t2ExitSet == <strong class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="L573" href="#L573">573</a> t2ExitSet = <strong class="jxr_keyword">new</strong> HashSet<EnterableState>();
-<a class="jxr_linenumber" name="L574" href="#L574">574</a> computeExitSet(t2, t2ExitSet, configuration);
-<a class="jxr_linenumber" name="L575" href="#L575">575</a> exitSets.put(t2, t2ExitSet);
-<a class="jxr_linenumber" name="L576" href="#L576">576</a> }
-<a class="jxr_linenumber" name="L577" href="#L577">577</a> Set<EnterableState> smaller = t1ExitSet.size() < t2ExitSet.size() ? t1ExitSet : t2ExitSet;
-<a class="jxr_linenumber" name="L578" href="#L578">578</a> Set<EnterableState> larger = smaller == t1ExitSet ? t2ExitSet : t1ExitSet;
-<a class="jxr_linenumber" name="L579" href="#L579">579</a> <strong class="jxr_keyword">boolean</strong> hasIntersection = false;
-<a class="jxr_linenumber" name="L580" href="#L580">580</a> <strong class="jxr_keyword">for</strong> (EnterableState s1 : smaller) {
-<a class="jxr_linenumber" name="L581" href="#L581">581</a> hasIntersection = larger.contains(s1);
-<a class="jxr_linenumber" name="L582" href="#L582">582</a> <strong class="jxr_keyword">if</strong> (hasIntersection) {
-<a class="jxr_linenumber" name="L583" href="#L583">583</a> <strong class="jxr_keyword">break</strong>;
-<a class="jxr_linenumber" name="L584" href="#L584">584</a> }
-<a class="jxr_linenumber" name="L585" href="#L585">585</a> }
-<a class="jxr_linenumber" name="L586" href="#L586">586</a> <strong class="jxr_keyword">if</strong> (hasIntersection) {
-<a class="jxr_linenumber" name="L587" href="#L587">587</a> <strong class="jxr_keyword">if</strong> (t1.getParent().isDescendantOf(t2.getParent())) {
-<a class="jxr_linenumber" name="L588" href="#L588">588</a> preemptedTransitions.add(t2);
-<a class="jxr_linenumber" name="L589" href="#L589">589</a> }
-<a class="jxr_linenumber" name="L590" href="#L590">590</a> <strong class="jxr_keyword">else</strong> {
-<a class="jxr_linenumber" name="L591" href="#L591">591</a> t1Preempted = <strong class="jxr_keyword">true</strong>;
-<a class="jxr_linenumber" name="L592" href="#L592">592</a> <strong class="jxr_keyword">break</strong>;
-<a class="jxr_linenumber" name="L593" href="#L593">593</a> }
-<a class="jxr_linenumber" name="L594" href="#L594">594</a> }
-<a class="jxr_linenumber" name="L595" href="#L595">595</a> }
-<a class="jxr_linenumber" name="L596" href="#L596">596</a> <strong class="jxr_keyword">if</strong> (t1Preempted) {
-<a class="jxr_linenumber" name="L597" href="#L597">597</a> exitSets.remove(t1);
-<a class="jxr_linenumber" name="L598" href="#L598">598</a> }
-<a class="jxr_linenumber" name="L599" href="#L599">599</a> <strong class="jxr_keyword">else</strong> {
-<a class="jxr_linenumber" name="L600" href="#L600">600</a> <strong class="jxr_keyword">for</strong> (Transition preempted : preemptedTransitions) {
-<a class="jxr_linenumber" name="L601" href="#L601">601</a> filteredTransitions.remove(preempted);
-<a class="jxr_linenumber" name="L602" href="#L602">602</a> exitSets.remove(preempted);
-<a class="jxr_linenumber" name="L603" href="#L603">603</a> }
-<a class="jxr_linenumber" name="L604" href="#L604">604</a> filteredTransitions.add(t1);
-<a class="jxr_linenumber" name="L605" href="#L605">605</a> }
-<a class="jxr_linenumber" name="L606" href="#L606">606</a> }
-<a class="jxr_linenumber" name="L607" href="#L607">607</a> step.getTransitList().addAll(filteredTransitions);
-<a class="jxr_linenumber" name="L608" href="#L608">608</a> }
-<a class="jxr_linenumber" name="L609" href="#L609">609</a>
-<a class="jxr_linenumber" name="L610" href="#L610">610</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L611" href="#L611">611</a> <em class="jxr_javadoccomment"> * @param exctx The execution context for this step</em>
-<a class="jxr_linenumber" name="L612" href="#L612">612</a> <em class="jxr_javadoccomment"> * @param transition The transition</em>
-<a class="jxr_linenumber" name="L613" href="#L613">613</a> <em class="jxr_javadoccomment"> * @param eventName The (optional) event name to match against</em>
-<a class="jxr_linenumber" name="L614" href="#L614">614</a> <em class="jxr_javadoccomment"> * @return Returns true if the transition matches against the provided eventName, or is event-less when no eventName</em>
-<a class="jxr_linenumber" name="L615" href="#L615">615</a> <em class="jxr_javadoccomment"> * is provided, <em>AND</em> its (optional) condition guard evaluates to true.</em>
-<a class="jxr_linenumber" name="L616" href="#L616">616</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L617" href="#L617">617</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> matchTransition(<strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/commons/scxml2/SCXMLExecutionContext.html">SCXMLExecutionContext</a> exctx, <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/commons/scxml2/model/Transition.html">Transition</a> transition, <strong class="jxr_keyword">final</strong> String eventName) {
-<a class="jxr_linenumber" name="L618" href="#L618">618</a> <strong class="jxr_keyword">if</strong> (eventName != <strong class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="L619" href="#L619">619</a> <strong class="jxr_keyword">if</strong> (!(transition.isNoEventsTransition() || transition.isAllEventsTransition())) {
-<a class="jxr_linenumber" name="L620" href="#L620">620</a> <strong class="jxr_keyword">boolean</strong> eventMatch = false;
-<a class="jxr_linenumber" name="L621" href="#L621">621</a> <strong class="jxr_keyword">for</strong> (String event : transition.getEvents()) {
-<a class="jxr_linenumber" name="L622" href="#L622">622</a> <strong class="jxr_keyword">if</strong> (eventName.startsWith(event)) {
-<a class="jxr_linenumber" name="L623" href="#L623">623</a> <strong class="jxr_keyword">if</strong> (eventName.length() == event.length() || eventName.charAt(event.length())=='.')
-<a class="jxr_linenumber" name="L624" href="#L624">624</a> eventMatch = <strong class="jxr_keyword">true</strong>;
-<a class="jxr_linenumber" name="L625" href="#L625">625</a> <strong class="jxr_keyword">break</strong>;
-<a class="jxr_linenumber" name="L626" href="#L626">626</a> }
-<a class="jxr_linenumber" name="L627" href="#L627">627</a> }
-<a class="jxr_linenumber" name="L628" href="#L628">628</a> <strong class="jxr_keyword">if</strong> (!eventMatch) {
-<a class="jxr_linenumber" name="L629" href="#L629">629</a> <strong class="jxr_keyword">return</strong> false;
-<a class="jxr_linenumber" name="L630" href="#L630">630</a> }
-<a class="jxr_linenumber" name="L631" href="#L631">631</a> }
-<a class="jxr_linenumber" name="L632" href="#L632">632</a> }
-<a class="jxr_linenumber" name="L633" href="#L633">633</a> <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (!transition.isNoEventsTransition()) {
-<a class="jxr_linenumber" name="L634" href="#L634">634</a> <strong class="jxr_keyword">return</strong> false;
-<a class="jxr_linenumber" name="L635" href="#L635">635</a> }
-<a class="jxr_linenumber" name="L636" href="#L636">636</a> <strong class="jxr_keyword">if</strong> (transition.getCond() != <strong class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="L637" href="#L637">637</a> Boolean result = Boolean.FALSE;
-<a class="jxr_linenumber" name="L638" href="#L638">638</a> <a href="../../../../../org/apache/commons/scxml2/Context.html">Context</a> context = exctx.getScInstance().getContext(transition.getParent());
-<a class="jxr_linenumber" name="L639" href="#L639">639</a> context.setLocal(Context.NAMESPACES_KEY, transition.getNamespaces());
-<a class="jxr_linenumber" name="L640" href="#L640">640</a> <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="L641" href="#L641">641</a> <strong class="jxr_keyword">if</strong> ((result = exctx.getEvaluator().evalCond(context, transition.getCond())) == <strong class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="L642" href="#L642">642</a> result = Boolean.FALSE;
-<a class="jxr_linenumber" name="L643" href="#L643">643</a> <strong class="jxr_keyword">if</strong> (exctx.getAppLog().isDebugEnabled()) {
-<a class="jxr_linenumber" name="L644" href="#L644">644</a> exctx.getAppLog().debug(<span class="jxr_string">"Treating as false because the cond expression was evaluated as null: '"</span>
-<a class="jxr_linenumber" name="L645" href="#L645">645</a> + transition.getCond() + <span class="jxr_string">"'"</span>);
-<a class="jxr_linenumber" name="L646" href="#L646">646</a> }
-<a class="jxr_linenumber" name="L647" href="#L647">647</a> }
-<a class="jxr_linenumber" name="L648" href="#L648">648</a> }
-<a class="jxr_linenumber" name="L649" href="#L649">649</a> <strong class="jxr_keyword">catch</strong> (SCXMLExpressionException e) {
-<a class="jxr_linenumber" name="L650" href="#L650">650</a> exctx.getInternalIOProcessor().addEvent(<strong class="jxr_keyword">new</strong> TriggerEvent(TriggerEvent.ERROR_EXECUTION, TriggerEvent.ERROR_EVENT));
-<a class="jxr_linenumber" name="L651" href="#L651">651</a> exctx.getErrorReporter().onError(ErrorConstants.EXPRESSION_ERROR, <span class="jxr_string">"Treating as false due to error: "</span>
-<a class="jxr_linenumber" name="L652" href="#L652">652</a> + e.getMessage(), transition);
-<a class="jxr_linenumber" name="L653" href="#L653">653</a> }
-<a class="jxr_linenumber" name="L654" href="#L654">654</a> <strong class="jxr_keyword">finally</strong> {
-<a class="jxr_linenumber" name="L655" href="#L655">655</a> context.setLocal(Context.NAMESPACES_KEY, <strong class="jxr_keyword">null</strong>);
-<a class="jxr_linenumber" name="L656" href="#L656">656</a> }
-<a class="jxr_linenumber" name="L657" href="#L657">657</a> <strong class="jxr_keyword">return</strong> result;
+<a class="jxr_linenumber" name="L381" href="#L381">381</a> <em class="jxr_javadoccomment"> * These history configurations must be pre-recorded as they might impact (re)entrance calculation during</em>
+<a class="jxr_linenumber" name="L382" href="#L382">382</a> <em class="jxr_javadoccomment"> * {@link #computeEntrySet(SCXMLExecutionContext, Step)}.</em>
+<a class="jxr_linenumber" name="L383" href="#L383">383</a> <em class="jxr_javadoccomment"> * </p></em>
+<a class="jxr_linenumber" name="L384" href="#L384">384</a> <em class="jxr_javadoccomment"> * <p></em>
+<a class="jxr_linenumber" name="L385" href="#L385">385</a> <em class="jxr_javadoccomment"> * Only after the new configuration has been validated (see: {@link #isLegalConfig(Set, ErrorReporter)}), the</em>
+<a class="jxr_linenumber" name="L386" href="#L386">386</a> <em class="jxr_javadoccomment"> * history configurations will be persisted during the actual {@link #exitStates(SCXMLExecutionContext, Step, Set)}</em>
+<a class="jxr_linenumber" name="L387" href="#L387">387</a> <em class="jxr_javadoccomment"> * processing.</em>
+<a class="jxr_linenumber" name="L388" href="#L388">388</a> <em class="jxr_javadoccomment"> * </p></em>
+<a class="jxr_linenumber" name="L389" href="#L389">389</a> <em class="jxr_javadoccomment"> * @param step The step containing the list of states to exit, and the map to record the new history configurations</em>
+<a class="jxr_linenumber" name="L390" href="#L390">390</a> <em class="jxr_javadoccomment"> * @param states The current set of active atomic states in the state machine</em>
+<a class="jxr_linenumber" name="L391" href="#L391">391</a> <em class="jxr_javadoccomment"> * @param allStates The current set of all active states in the state machine</em>
+<a class="jxr_linenumber" name="L392" href="#L392">392</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L393" href="#L393">393</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> recordHistory(<strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/commons/scxml2/semantics/Step.html">Step</a> step, <strong class="jxr_keyword">final</strong> Set<EnterableState> states, <strong class="jxr_keyword">final</strong> Set<EnterableState> allStates) {
+<a class="jxr_linenumber" name="L394" href="#L394">394</a> <strong class="jxr_keyword">for</strong> (EnterableState es : step.getExitSet()) {
+<a class="jxr_linenumber" name="L395" href="#L395">395</a> <strong class="jxr_keyword">if</strong> (es instanceof TransitionalState && ((TransitionalState)es).hasHistory()) {
+<a class="jxr_linenumber" name="L396" href="#L396">396</a> <a href="../../../../../org/apache/commons/scxml2/model/TransitionalState.html">TransitionalState</a> ts = (TransitionalState)es;
+<a class="jxr_linenumber" name="L397" href="#L397">397</a> Set<EnterableState> shallow = <strong class="jxr_keyword">null</strong>;
+<a class="jxr_linenumber" name="L398" href="#L398">398</a> Set<EnterableState> deep = <strong class="jxr_keyword">null</strong>;
+<a class="jxr_linenumber" name="L399" href="#L399">399</a> <strong class="jxr_keyword">for</strong> (History h : ts.getHistory()) {
+<a class="jxr_linenumber" name="L400" href="#L400">400</a> <strong class="jxr_keyword">if</strong> (h.isDeep()) {
+<a class="jxr_linenumber" name="L401" href="#L401">401</a> <strong class="jxr_keyword">if</strong> (deep == <strong class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="L402" href="#L402">402</a> <em class="jxr_comment">//calculate deep history for a given state once</em>
+<a class="jxr_linenumber" name="L403" href="#L403">403</a> deep = <strong class="jxr_keyword">new</strong> HashSet<EnterableState>();
+<a class="jxr_linenumber" name="L404" href="#L404">404</a> <strong class="jxr_keyword">for</strong> (EnterableState ott : states) {
+<a class="jxr_linenumber" name="L405" href="#L405">405</a> <strong class="jxr_keyword">if</strong> (ott.isDescendantOf(es)) {
+<a class="jxr_linenumber" name="L406" href="#L406">406</a> deep.add(ott);
+<a class="jxr_linenumber" name="L407" href="#L407">407</a> }
+<a class="jxr_linenumber" name="L408" href="#L408">408</a> }
+<a class="jxr_linenumber" name="L409" href="#L409">409</a> }
+<a class="jxr_linenumber" name="L410" href="#L410">410</a> step.getNewHistoryConfigurations().put(h, deep);
+<a class="jxr_linenumber" name="L411" href="#L411">411</a> } <strong class="jxr_keyword">else</strong> {
+<a class="jxr_linenumber" name="L412" href="#L412">412</a> <strong class="jxr_keyword">if</strong> (shallow == <strong class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="L413" href="#L413">413</a> <em class="jxr_comment">//calculate shallow history for a given state once</em>
+<a class="jxr_linenumber" name="L414" href="#L414">414</a> shallow = <strong class="jxr_keyword">new</strong> HashSet<EnterableState>(ts.getChildren());
+<a class="jxr_linenumber" name="L415" href="#L415">415</a> shallow.retainAll(allStates);
+<a class="jxr_linenumber" name="L416" href="#L416">416</a> }
+<a class="jxr_linenumber" name="L417" href="#L417">417</a> step.getNewHistoryConfigurations().put(h, shallow);
+<a class="jxr_linenumber" name="L418" href="#L418">418</a> }
+<a class="jxr_linenumber" name="L419" href="#L419">419</a> }
+<a class="jxr_linenumber" name="L420" href="#L420">420</a> }
+<a class="jxr_linenumber" name="L421" href="#L421">421</a> }
+<a class="jxr_linenumber" name="L422" href="#L422">422</a> }
+<a class="jxr_linenumber" name="L423" href="#L423">423</a>
+<a class="jxr_linenumber" name="L424" href="#L424">424</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L425" href="#L425">425</a> <em class="jxr_javadoccomment"> * Compute and store the set of states to enter for the current list of transitions in the provided step.</em>
+<a class="jxr_linenumber" name="L426" href="#L426">426</a> <em class="jxr_javadoccomment"> * <p></em>
+<a class="jxr_linenumber" name="L427" href="#L427">427</a> <em class="jxr_javadoccomment"> * This method corresponds to the Algorithm for SCXML processing computeEntrySet() procedure.</em>
+<a class="jxr_linenumber" name="L428" href="#L428">428</a> <em class="jxr_javadoccomment"> * <p></em>
+<a class="jxr_linenumber" name="L429" href="#L429">429</a> <em class="jxr_javadoccomment"> * @param exctx The execution context for this step</em>
+<a class="jxr_linenumber" name="L430" href="#L430">430</a> <em class="jxr_javadoccomment"> * @param step The step containing the list of transitions to be taken</em>
+<a class="jxr_linenumber" name="L431" href="#L431">431</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L432" href="#L432">432</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> computeEntrySet(<strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/commons/scxml2/SCXMLExecutionContext.html">SCXMLExecutionContext</a> exctx, <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/commons/scxml2/semantics/Step.html">Step</a> step) {
+<a class="jxr_linenumber" name="L433" href="#L433">433</a> Set<History> historyTargets = <strong class="jxr_keyword">new</strong> HashSet<History>();
+<a class="jxr_linenumber" name="L434" href="#L434">434</a> Set<EnterableState> entrySet = <strong class="jxr_keyword">new</strong> HashSet<EnterableState>();
+<a class="jxr_linenumber" name="L435" href="#L435">435</a> <strong class="jxr_keyword">for</strong> (SimpleTransition st : step.getTransitList()) {
+<a class="jxr_linenumber" name="L436" href="#L436">436</a> <strong class="jxr_keyword">for</strong> (TransitionTarget tt : st.getTargets()) {
+<a class="jxr_linenumber" name="L437" href="#L437">437</a> <strong class="jxr_keyword">if</strong> (tt instanceof EnterableState) {
+<a class="jxr_linenumber" name="L438" href="#L438">438</a> entrySet.add((EnterableState) tt);
+<a class="jxr_linenumber" name="L439" href="#L439">439</a> }
+<a class="jxr_linenumber" name="L440" href="#L440">440</a> <strong class="jxr_keyword">else</strong> {
+<a class="jxr_linenumber" name="L441" href="#L441">441</a> <em class="jxr_comment">// History</em>
+<a class="jxr_linenumber" name="L442" href="#L442">442</a> historyTargets.add((History)tt);
+<a class="jxr_linenumber" name="L443" href="#L443">443</a> }
+<a class="jxr_linenumber" name="L444" href="#L444">444</a> }
+<a class="jxr_linenumber" name="L445" href="#L445">445</a> }
+<a class="jxr_linenumber" name="L446" href="#L446">446</a> <strong class="jxr_keyword">for</strong> (EnterableState es : entrySet) {
+<a class="jxr_linenumber" name="L447" href="#L447">447</a> addDescendantStatesToEnter(exctx, step, es);
+<a class="jxr_linenumber" name="L448" href="#L448">448</a> }
+<a class="jxr_linenumber" name="L449" href="#L449">449</a> <strong class="jxr_keyword">for</strong> (History h : historyTargets) {
+<a class="jxr_linenumber" name="L450" href="#L450">450</a> addDescendantStatesToEnter(exctx, step, h);
+<a class="jxr_linenumber" name="L451" href="#L451">451</a> }
+<a class="jxr_linenumber" name="L452" href="#L452">452</a> <strong class="jxr_keyword">for</strong> (SimpleTransition st : step.getTransitList()) {
+<a class="jxr_linenumber" name="L453" href="#L453">453</a> <a href="../../../../../org/apache/commons/scxml2/model/TransitionalState.html">TransitionalState</a> ancestor = st.getTransitionDomain();
+<a class="jxr_linenumber" name="L454" href="#L454">454</a> <strong class="jxr_keyword">for</strong> (TransitionTarget tt : st.getTargets()) {
+<a class="jxr_linenumber" name="L455" href="#L455">455</a> addAncestorStatesToEnter(exctx, step, tt, ancestor);
+<a class="jxr_linenumber" name="L456" href="#L456">456</a> }
+<a class="jxr_linenumber" name="L457" href="#L457">457</a> }
+<a class="jxr_linenumber" name="L458" href="#L458">458</a> }
+<a class="jxr_linenumber" name="L459" href="#L459">459</a>
+<a class="jxr_linenumber" name="L460" href="#L460">460</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L461" href="#L461">461</a> <em class="jxr_javadoccomment"> * This method corresponds to the Algorithm for SCXML processing addDescendantStatesToEnter() procedure.</em>
+<a class="jxr_linenumber" name="L462" href="#L462">462</a> <em class="jxr_javadoccomment"> *</em>
+<a class="jxr_linenumber" name="L463" href="#L463">463</a> <em class="jxr_javadoccomment"> * @param exctx The execution context for this step</em>
+<a class="jxr_linenumber" name="L464" href="#L464">464</a> <em class="jxr_javadoccomment"> * @param step The step</em>
+<a class="jxr_linenumber" name="L465" href="#L465">465</a> <em class="jxr_javadoccomment"> * @param tt The TransitionTarget</em>
+<a class="jxr_linenumber" name="L466" href="#L466">466</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L467" href="#L467">467</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> addDescendantStatesToEnter(<strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/commons/scxml2/SCXMLExecutionContext.html">SCXMLExecutionContext</a> exctx, <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/commons/scxml2/semantics/Step.html">Step</a> step,
+<a class="jxr_linenumber" name="L468" href="#L468">468</a> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/commons/scxml2/model/TransitionTarget.html">TransitionTarget</a> tt) {
+<a class="jxr_linenumber" name="L469" href="#L469">469</a> <strong class="jxr_keyword">if</strong> (tt instanceof History) {
+<a class="jxr_linenumber" name="L470" href="#L470">470</a> <a href="../../../../../org/apache/commons/scxml2/model/History.html">History</a> h = (History) tt;
+<a class="jxr_linenumber" name="L471" href="#L471">471</a> Set<EnterableState> lastConfiguration = step.getNewHistoryConfigurations().get(h);
+<a class="jxr_linenumber" name="L472" href="#L472">472</a> <strong class="jxr_keyword">if</strong> (lastConfiguration == <strong class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="L473" href="#L473">473</a> lastConfiguration = exctx.getScInstance().getLastConfiguration(h);
+<a class="jxr_linenumber" name="L474" href="#L474">474</a> }
+<a class="jxr_linenumber" name="L475" href="#L475">475</a> <strong class="jxr_keyword">if</strong> (lastConfiguration.isEmpty()) {
+<a class="jxr_linenumber" name="L476" href="#L476">476</a> step.getDefaultHistoryTransitions().put(h.getParent(), h.getTransition());
+<a class="jxr_linenumber" name="L477" href="#L477">477</a> <strong class="jxr_keyword">for</strong> (TransitionTarget dtt : h.getTransition().getTargets()) {
+<a class="jxr_linenumber" name="L478" href="#L478">478</a> addDescendantStatesToEnter(exctx, step, dtt);
+<a class="jxr_linenumber" name="L479" href="#L479">479</a> addAncestorStatesToEnter(exctx, step, dtt, tt.getParent());
+<a class="jxr_linenumber" name="L480" href="#L480">480</a> }
+<a class="jxr_linenumber" name="L481" href="#L481">481</a> } <strong class="jxr_keyword">else</strong> {
[... 1185 lines stripped ...]