from typing import Dict, Any
from csle_base.json_serializable import JSONSerializable
[docs]class Observation(JSONSerializable):
"""
DTO class representing an observation in a simulation
"""
def __init__(self, id: int, val: int, descr: str):
"""
Initializes the DTO
:param id: the id of the observation
:param val: in case the val and the id are different
:param descr: a description of the observation
"""
self.id = id
self.val = val
self.descr = descr
[docs] @staticmethod
def from_dict(d: Dict[str, Any]) -> "Observation":
"""
Converts a dict representation to an instance
:param d: the dict to convert
:return: the created instance
"""
obj = Observation(
id=d["id"], descr=d["descr"], val=d["val"]
)
return obj
[docs] def to_dict(self) -> Dict[str, Any]:
"""
Converts the object to a dict representation
:return: a dict representation of the object
"""
d: Dict[str, Any] = {}
d["id"] = self.id
d["descr"] = self.descr
d["val"] = self.val
return d
def __str__(self) -> str:
"""
:return: a string representation of the object
"""
return f"id: {self.id}, descr: {self.descr}, val: {self.val}"
[docs] @staticmethod
def from_json_file(json_file_path: str) -> "Observation":
"""
Reads a json file and converts it to a DTO
:param json_file_path: the json file path
:return: the converted DTO
"""
import io
import json
with io.open(json_file_path, 'r') as f:
json_str = f.read()
return Observation.from_dict(json.loads(json_str))