/**
* applyRules.
*
* @param op a {@link lupos.engine.operators.BasicOperator} object.
* @param mapStartNodes a {@link java.util.Map} object.
* @param rules an array of {@link lupos.optimizations.logical.rules.Rule} objects.
* @param untilRule a {@link lupos.optimizations.logical.rules.Rule} object.
*/
public void applyRules(
final BasicOperator op,
final Map<Class<? extends BasicOperator>, Set<BasicOperator>> mapStartNodes,
final Rule[] rules,
final Rule untilRule) {
for (final Rule r : rules) {
if (untilRule != null && r.equals(untilRule)) break;
while (r.apply(op, mapStartNodes)) {
Rule[] rulesToApply = r.getRulesToApply(this);
if (rulesToApply == null) rulesToApply = this.rules;
applyRules(op, mapStartNodes, rulesToApply, r);
}
}
}
/**
* applyRules.
*
* @param op a {@link lupos.engine.operators.BasicOperator} object.
*/
public void applyRules(final BasicOperator op) {
applyRules(op, RuleEngine.createStartNodeMap(op), this.rules, null);
}