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# This file is part of daf_butler. 

# 

# Developed for the LSST Data Management System. 

# This product includes software developed by the LSST Project 

# (http://www.lsst.org). 

# See the COPYRIGHT file at the top-level directory of this distribution 

# for details of code ownership. 

# 

# This program is free software: you can redistribute it and/or modify 

# it under the terms of the GNU General Public License as published by 

# the Free Software Foundation, either version 3 of the License, or 

# (at your option) any later version. 

# 

# This program is distributed in the hope that it will be useful, 

# but WITHOUT ANY WARRANTY; without even the implied warranty of 

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 

# GNU General Public License for more details. 

# 

# You should have received a copy of the GNU General Public License 

# along with this program. If not, see <http://www.gnu.org/licenses/>. 

 

from .utils import slotValuesAreEqual 

 

__all__ = ("Execution",) 

 

 

class Execution: 

"""Any step in a production. 

 

Parameters 

---------- 

startTime : `datetime` 

The start time for the execution. May have a different 

interpretation for different kinds of execution. 

endTime : `datetime` 

The end time for the execution. May have a different 

interpretation for different kinds of execution. 

host : `str` 

The system on which the execution was run. May have a different 

interpretation for different kinds of execution. 

id : `int`, optional 

Unique integer identifier for this Execution. 

Usually set to `None` (default) and assigned 

by `Registry.addExecution`. 

""" 

 

__slots__ = ("_id", "_startTime", "_endTime", "_host") 

__eq__ = slotValuesAreEqual 

 

def __init__(self, startTime=None, endTime=None, host=None, id=None): 

self._id = id 

self._startTime = startTime 

self._endTime = endTime 

self._host = host 

 

@property 

def id(self): 

return self._id 

 

@property 

def startTime(self): 

return self._startTime 

 

@property 

def endTime(self): 

return self._endTime 

 

@property 

def host(self): 

return self._host