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#The MIT License (MIT)
#Copyright (c) 2014 Microsoft Corporation
#Permission is hereby granted, free of charge, to any person obtaining a copy
#of this software and associated documentation files (the "Software"), to deal
#in the Software without restriction, including without limitation the rights
#to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
#copies of the Software, and to permit persons to whom the Software is
#furnished to do so, subject to the following conditions:
#The above copyright notice and this permission notice shall be included in all
#copies or substantial portions of the Software.
#THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
#IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
#FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
#AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
#LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
#OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
#SOFTWARE.
"""Range class implementation in the Azure Cosmos database service.
"""
class Range(object):
"""Represents the Range class used to map the partition key of the document to their associated collection.
"""
def __init__(self, low, high):
if low is None:
raise ValueError("low is None.")
if high is None:
raise ValueError("high is None.")
if(low > high):
raise ValueError("Range low value must be less than or equal the high value.")
self.low = low
self.high = high
def __hash__(self):
return hash((self.low, self.high))
def __str__(self):
return str(self.low) + str(self.high)
def __eq__(self, other):
return (self.low == other.low) and (self.high == other.high)
def __lt__(self, other):
if self == other:
return False
elif self.low < other.low or self.high < other.high:
return True
else:
return False
def Contains(self, other):
"""Checks if the passed parameter is in the range of this object.
"""
if other is None:
raise ValueError("other is None.")
if isinstance(other, Range):
if other.low >= self.low and other.high <= self.high:
return True
return False
else:
return self.Contains(Range(other, other))
def Intersect(self, other):
"""Checks if the passed parameter intersects the range of this object.
"""
if isinstance(other, Range):
max_low = self.low if (self.low >= other.low) else other.low
min_high = self.high if (self.high <= other.high) else other.high
if max_low <= min_high:
return True
return False
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