public void setRuleStartTime(
final ProcessInstanceIdentifier identifier, final String ruleFlowGroup, final String nodeId) {
// Create the rule (one for each call).
final MeasuredRule rule = em.merge(new MeasuredRule(identifier, ruleFlowGroup, nodeId));
// Add it to the corresponding process instance.
final MeasuredProcessInstance processInstance = findProcessInstance(identifier);
if (processInstance == null) {
throw new IllegalStateException(
"Rule started for process instance [" + identifier + "], which cannot be found.");
}
processInstance.addRule(rule);
// Set the time.
rule.setStartingTime(new Date());
}
