public ConditionalContext2(
ConditionalContext2 parent, IEntity branch, Direction direction, String when) {
if (branch.getEntityType() != EntityType.BRANCH) {
throw new IllegalArgumentException();
}
this.branch = branch;
this.direction = direction;
this.parent = parent;
this.when = when;
this.pendings.add(branch);
}
public void executeElse(Collection<IEntity> pendingsToAdd) {
if (this.hasElse) {
throw new IllegalStateException();
}
this.hasElse = true;
// Log.println("pend=" + pendings);
if (pendings.size() == 0) {
throw new IllegalStateException();
}
final Iterator<IEntity> it = pendings.iterator();
final IEntity toRemove = it.next();
if (toRemove.getEntityType() != EntityType.BRANCH) {
throw new IllegalStateException();
}
it.remove();
this.pendings.addAll(pendingsToAdd);
}