/**
* Returns the input variables associated with the case
*
* @return the set of input variables
*/
public Set<Template> getInputVariables() {
Set<Template> inputVars = new HashSet<Template>();
inputVars.addAll(condition.getInputVariables());
for (Effect effect : getEffects()) {
for (String inputVariable : effect.getValueSlots()) {
inputVars.add(new Template(inputVariable));
}
}
return inputVars;
}
/**
* Returns the groundings associated with the rule case, given the input assignment
*
* @param input the input assignment
* @return the resulting groundings
*/
public RuleGrounding getGroundings(Assignment input) {
RuleGrounding groundings = new RuleGrounding();
groundings.add(condition.getGroundings(input));
if (ruleType == RuleType.UTIL) {
boolean actionVars = input.containsVars(output.getOutputVariables());
for (Effect e : getEffects()) {
if (actionVars) {
Condition co = e.convertToCondition();
RuleGrounding effectGrounding = co.getGroundings(input);
groundings.add(effectGrounding);
} else {
Set<String> slots = e.getValueSlots();
slots.removeAll(input.getVariables());
groundings.add(Assignment.createOneValue(slots, ""));
}
}
}
return groundings;
}