""" **Description**
Duration interface.
**Example**
::
from diamondback import IDuration
class Test( IDuration ) :
def __init__( self ) -> None :
super( ).__init__( )
self.duration = 0.0
test = Test( )
test.duration = 3600.0
**License**
`BSD-3C. <https://github.com/larryturner/diamondback/blob/master/license>`_
© 2018 - 2021 Larry Turner, Schneider Electric Industries SAS. All rights reserved.
**Author**
Larry Turner, Schneider Electric, Analytics & AI, 2018-07-12.
**Definition**
"""
from diamondback.interfaces.IEqual import IEqual
from typing import Any
import numpy
[docs]class IDuration( IEqual ) :
""" Duration interface.
"""
@property
def duration( self ) :
""" duration : float - in seconds in [ 0.0, inf ).
"""
return self._duration
@duration.setter
def duration( self, duration : float ) :
if ( duration < 0.0 ) :
raise ValueError( f'Duration = {duration}' )
self._duration = duration
[docs] def __eq__( self, other : Any ) -> bool :
""" Equal.
Arguments :
other : Any.
Returns :
equal : bool.
"""
return ( ( super( ).__eq__( other ) ) and ( numpy.isclose( self.duration, other.duration ) ) )
def __init__( self ) -> None :
""" Initialize.
"""
super( ).__init__( )
self._duration = 0.0