#!/usr/bin/env python
# encoding: utf-8
#
# Copyright SAS Institute
#
#  Licensed under the Apache License, Version 2.0 (the License);
#  you may not use this file except in compliance with the License.
#  You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
#  Unless required by applicable law or agreed to in writing, software
#  distributed under the License is distributed on an "AS IS" BASIS,
#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#  See the License for the specific language governing permissions and
#  limitations under the License.
#

'''
SAS Estimator Implementations

'''

from __future__ import print_function, division, absolute_import, unicode_literals

import numbers
import warnings
from ... import base


class ResourceManager(base.ResourceManager):

    def split_data(self, data, k=3, var=None, parallel=False):
        if parallel:
            warnings.warn('The SAS backend does not support parallel processing; '
                          'using a single session for all tables.',
                          RuntimeWarning)
        if var is None:
            var = ''
        if isinstance(k, numbers.Integral):
            return data.partition(kfold=k, var=var, singleOut=False)
        return data.partition(fraction=k, var=var, singleOut=False)
        
