# -*- coding: utf-8 -*-

import os
import subprocess
from enum import Enum

class STATUS(Enum):
    STOPED = 0
    RUNNING = 1
    FAILED = 2
    CONF_ERROR = 3

class AbstractSolver(object):
    def __init__(self, name):
        super(AbstractSolver, self).__init__()

        self.name = name
        self.status = STATUS.STOPED

    def nb_proc(self):
        """
        Return the number of processor used by solver (usefull for
        multiple solver run on same time).
        """
        return 1

    def status(self):
        return self.status

    def set_status(self, status):
        self.status = status

    def run(self):
        return False

    def kill(self):
        return False

    def readline(self):
        return ""