public static class LowerThanOrEquals extends SimpleProcedureFilter {
private static final long serialVersionUID = 1L;
protected Expression buildAction(Map filterInfo, Expression leftOperand, Expression rightOperand) {
return new OrExpression().
add(new LowerThanExpression(leftOperand, rightOperand, getComparator())).
add(new ComparedEqualsExpression(leftOperand, rightOperand, getComparator()));
}