source: geniuswebcore/geniusweb/profile/FullOrdering.py@ 67

from geniusweb.issuevalue.Bid import Bid
from geniusweb.profile.PartialOrdering import PartialOrdering

class FullOrdering (PartialOrdering):
        '''
        As {@link PartialOrdering}, but with more strict requirement on
        {@link #isPreferredOrEqual(geniusweb.issuevalue.Bid, geniusweb.issuevalue.Bid)}

        '''
        def isPreferredOrEqual(self, bid1: Bid , bid2: Bid )->bool:
                '''
                @param bid1 the first item's utility/preference
                @param bid2 the second item's utility/preference
                @return true iff bid1 is considered better or equal (≥) than bid 2. In
                        all other cases false is returned.
                
                        This predicate should be implemented such that
                        <ul>
                        <li>For all b1 and b2, either b1 &ge; b2 or b2 &ge; b1.
                        <li>b &ge; b (every bid is better or equal to itself)
                        <li>If b1&ge;b2 and b2&ge;b1 then the two bids are considered
                        equally good. Note that this differes from a partial order in
                        mathematics.
                        <li>it behaves transitive: if b1&ge;b2 and b2&ge;b3 then
                        b1&ge;b3.
                        </ul>
                '''