private GenPredicGroup addPredicsToExisting(Rule rul, GenPredicGroup previousConds) {
List<GenPredicGroup> list = new ArrayList<GenPredicGroup>();
GenPredicGroup gpg = getGroupConditions(rul.getRootCondition().getConditions(), null);
list.add(gpg);
list.add(previousConds);
GenPredicGroup newGroup = new GenPredicGroup();
newGroup.setMyGroups(list);
newGroup.setOperator(EOperator.ANY);
return newGroup;
}
/**
* recursive method to get all conditions from "condition tree"
*
* @param conds - at the beginning root conditions, at lower level conditions under
* CompoundCondition
* @param op - at the beginning null, at lower level operator of Compound Condition
* @return group of its subgroups and of conditions
*/
private GenPredicGroup getGroupConditions(Conditions conds, GenPredicGroup.EOperator op) {
GenPredicGroup myConds = new GenPredicGroup();
myConds.setOperator((op != null) ? op : GenPredicGroup.EOperator.ALL);
Iterator<Condition> it = conds.iterator();
while (it.hasNext()) {
Condition cond = it.next();
// if true, a new condition group is created and filled
if (cond instanceof CompoundCondition) {
// set group operator
GenPredicGroup.EOperator actualOp = null;
if (cond instanceof ConditionAll) {
actualOp = GenPredicGroup.EOperator.ALL;
} else if (cond instanceof ConditionAny) {
actualOp = GenPredicGroup.EOperator.ANY;
} else if (cond instanceof ConditionNone) {
actualOp = GenPredicGroup.EOperator.NONE;
}
if (myConds.getMyGroups() == null) {
myConds.setMyGroups(new ArrayList<GenPredicGroup>());
}
// call recursively to get conditions of actual group
myConds
.getMyGroups()
.add(getGroupConditions(((CompoundCondition) cond).getConditions(), actualOp));
} else {
// get condition
if (myConds.getGeneratorPredicts() == null) {
myConds.setGeneratorPredicts(new ArrayList<GeneratorPredicate>());
}
myConds.getGeneratorPredicts().add(getGP(cond));
}
}
return myConds;
}