private Cycle<Requirement<Project>> cycleFromOutgoingRequirements(
StatusInstant<Project> statusInstant) {
for (Requirement<Project> blocker :
finder.getRequirements(getPrerequisite(requirement), statusInstant.getGraph())) {
RequirementNode<Project> prerequisite = getPrerequisite(blocker);
if (prerequisite != null && !prerequisite.intrinsicallyInactionable(statusInstant)) {
Cycle<Requirement<Project>> cycle =
new DescendantAncestry(now, blocker, finder, this).findCycle(statusInstant);
if (cycle != null) return cycle;
}
}
return null;
}
public Cycle<Requirement<Project>> findCycle(StatusInstant<Project> statusInstant) {
Map<Object, Cycle<Requirement<Project>>> cycleCache = statusInstant.getCycleCache();
if (!cycleCache.containsKey(requirement))
cycleCache.put(requirement, computeCycle(statusInstant));
return cycleCache.get(requirement);
}
public void harden(Project project, StatusInstant<Project> instant) {
project.harden(findCycle(instant) != null, now, instant.getGraph());
}