source: geniuswebcore/geniusweb/inform/Agreements.py@ 62

from __future__ import annotations

from typing import Any, Dict

from pyson.JsonValue import JsonValue

from geniusweb.actions.PartyId import PartyId
from geniusweb.issuevalue.Bid import Bid


class Agreements:
        '''
        There can be multiple agreements from a single negotiation. This object
        contains the agreements. Each party can agree only on 1 bid and there are
        always at least 2 parties agreeing on a bid.
        '''
        def __init__(self, agreements:Dict[PartyId, Bid] =  {} ) :
                '''
                @param agrees a map, with the bid that was agreed on by a party
                HACK Must be Dict[PartyId, Bid]
                '''
                if type(agreements)!=dict:
                        raise ValueError("Agreements must be a dict")
                self._agreements = agreements

        @JsonValue()
        def getAgreements(self)->Dict[PartyId, Bid]:
                return self._agreements

        def With(self, other:Agreements ) ->Agreements :
                '''
                * @param other {@link Agreements}
                * @return a new Agreement containing this plus other agreements
                * @throws IllegalArgumentException if parties in other are already in this
                *    agreement.
                '''
                newagrees = self._agreements.copy()
                for pid in  other._agreements.keys():
                        if pid in newagrees:
                                raise ValueError("party " + str(pid) + " already has agreement");
                        newagrees[pid]=other._agreements[pid]
                return Agreements(newagrees);

        def getMap(self)-> Dict[PartyId,Bid]: 
                '''
                @return actual agreemenets contained here
                '''
                return self._agreements.copy()


        def __repr__(self): 
                return "Agreements" + str(self._agreements)
        
        def __eq__(self, other):
                return isinstance(other, self.__class__) and  self._agreements == other._agreements

        
        def __hash__(self):
                return sum([ hash(k) + 31 * hash(v) for (k,v) in self._agreements.items()])