/**
* Evaluates this flow assembly
*
* @param evaluationContext the evaluation context, stratum, iteration, rule number
* @return true if new inferences were stored, false otherwise
*/
public boolean evaluate(EvaluationContext evaluationContext) {
this.distributedFileSystemManager = new DistributedFileSystemManager(mConfiguration);
String flowIdentificator =
"_"
+ evaluationContext.getStratumNumber()
+ "_"
+ evaluationContext.getIterationNumber()
+ "_"
+ evaluationContext.getRuleNumber();
String resultName =
mConfiguration.resultsName != null ? mConfiguration.resultsName : "inference";
if (ruleStreams.getHeadStream().getPredicate() != null || !mConfiguration.doPredicateIndexing) {
path =
distributedFileSystemManager.getInferencesPath(
ruleStreams.getHeadStream(), resultName, flowIdentificator);
} else {
path = distributedFileSystemManager.getTempInferencesPath(resultName, flowIdentificator);
}
try {
return processFlow(resultName, flowIdentificator, path);
} catch (IOException e) {
logger.error("io exception creating flow", e);
throw new RuntimeException("io exception creating flow", e);
}
}
