private static CompareOperator parseCompareOperator(OperationType operationType) {
        switch (operationType) {
            case eq:
                return EqualOperator.getInstance();
            case ge:
                return MoreThanOrEqualOperator.getInstance();
            case gt:
                return MoreThanOperator.getInstance();
            case le:
                return LessThanOrEqualOperator.getInstance();
            case lt:
                return LessThanOperator.getInstance();
            case ne:
                return NotEqualOperator.getInstance();
            case is_null:
                return IsNullOperator.getInstance();
            case not_null:
                return IsNotNullOperator.getInstance();
            case in:
                return InOperator.getInstance();
            default:
                throw new IllegalArgumentException(String.format("Unsupported operateType=%s", operationType));
        }
    }
Parse filter strategy from TransformResponse and convert to the filter strategy of sort protocol

@param transformResponse The transform response that may contain filter operation
@return The filter strategy, see {@link FilterStrategy}
inlong-manager/manager-pojo/src/main/java/org/apache/inlong/manager/pojo/sort/util/FilterFunctionUtils.java