}
return -1;
}
private boolean filter_and(final ASTFilterConstraint n) {
final ASTAndNode and = (ASTAndNode) n.jjtGetChild(0);
final ASTFilterConstraint a = (ASTFilterConstraint) n
.cloneStillChild(true);
final ASTFilterConstraint b = (ASTFilterConstraint) n
.cloneStillChild(true);
n.jjtGetParent().removeChild(n);
a.addChild(and.jjtGetChild(0));
b.addChild(and.jjtGetChild(0));
return true;
}