package org.infinispan.objectfilter.impl.hql.predicate;
import org.hibernate.hql.ast.spi.predicate.ConjunctionPredicate;
import org.infinispan.objectfilter.impl.syntax.AndExpr;
import org.infinispan.objectfilter.impl.syntax.BooleanExpr;
/**
* @author anistor@redhat.com
* @since 7.0
*/
class FilterConjunctionPredicate extends ConjunctionPredicate<BooleanExpr> {
public FilterConjunctionPredicate() {
}
@Override
public BooleanExpr getQuery() {
// we always expect children.size() >= 1
BooleanExpr firstChild = children.get(0).getQuery();
if (children.size() == 1) {
return firstChild;
}
AndExpr andExpr = new AndExpr(firstChild);
for (int i = 1; i < children.size(); i++) {
BooleanExpr child = children.get(i).getQuery();
andExpr.getChildren().add(child);
}
return andExpr;
}
}