{- |

Module : $Header$

Description : OWL signatures colimits

Copyright : (c) Mihai Codescu, and Uni Bremen 2009

License : GPLv2 or higher, see LICENSE.txt

Maintainer : mcodescu@informatik.uni-bremen.de

Stability : provisional

Portability : non-portable

OWL2 signature colimits, computed component-wise.

-}

module OWL2.ColimSign where

import OWL2.Sign

import OWL2.Morphism

import OWL2.AS

import Common.SetColimit

import Common.Lib.Graph

import Data.Graph.Inductive.Graph as Graph

import qualified Data.Map as Map

signColimit :: Gr Sign (Int, OWLMorphism) ->

(Sign, Map.Map Int OWLMorphism)

signColimit graph = let

conGraph = emap (getEntityTypeMap Class) $ nmap concepts graph

dataGraph = emap (getEntityTypeMap Datatype) $ nmap datatypes graph

indGraph = emap (getEntityTypeMap NamedIndividual) $ nmap individuals graph

objGraph = emap (getEntityTypeMap ObjectProperty) $

nmap objectProperties graph

dataPropGraph = emap (getEntityTypeMap DataProperty) $

nmap dataProperties graph

annPropGraph = emap (getEntityTypeMap AnnotationProperty) $

nmap annotationRoles graph

_prefixGraph = emap getPrefixMap

$ nmap (Map.keysSet . toQName . prefixMap) graph

(con, funC) = addIntToSymbols $ computeColimitSet conGraph

(dat, funD) = addIntToSymbols $ computeColimitSet dataGraph

(ind, funI) = addIntToSymbols $ computeColimitSet indGraph

(obj, funO) = addIntToSymbols $ computeColimitSet objGraph

(dp, funDP) = addIntToSymbols $ computeColimitSet dataPropGraph

(ap, funAP) = addIntToSymbols $ computeColimitSet annPropGraph

-- (pf, funP) = addIntToSymbols $ computeColimitSet prefixGraph

morFun i = foldl Map.union Map.empty

[ setEntityTypeMap Class $

Map.findWithDefault (error "maps") i funC,

setEntityTypeMap Datatype $

Map.findWithDefault (error "maps") i funD,

setEntityTypeMap NamedIndividual $

Map.findWithDefault (error "maps") i funI,

setEntityTypeMap ObjectProperty $

Map.findWithDefault (error "maps") i funO,

setEntityTypeMap DataProperty $

Map.findWithDefault (error "maps") i funDP,

setEntityTypeMap AnnotationProperty $

Map.findWithDefault (error "maps") i funAP

]

morMaps = Map.fromAscList $

map (\ x -> (x, morFun x)) $ nodes graph

nameMap = foldl Map.union Map.empty $

map (\ (_, l) -> prefixMap l) $ labNodes graph

colimSign = emptySign {

concepts = con,

datatypes = dat,

objectProperties = obj,

dataProperties = dp,

individuals = ind,

annotationRoles = ap,

prefixMap = nameMap

}

colimMor = Map.fromAscList $

map (\ (i, ssig) -> let

mm = Map.findWithDefault (error "mor") i morMaps

om = OWLMorphism {

osource = ssig,

otarget = colimSign,

mmaps = mm,

pmap = Map.empty

}

in (i, om)

) $ labNodes graph

in (colimSign, colimMor)

getEntityTypeMap :: EntityType -> (Int, OWLMorphism)

-> (Int, Map.Map QName QName)

getEntityTypeMap e (i, phi) = let

f = Map.filterWithKey

(\ (Entity _ x _) _ -> x == e) $ mmaps phi

in (i, Map.fromList $

map (\ (Entity _ _ x, y) -> (x, y)) $

Map.toAscList f)

setEntityTypeMap :: EntityType -> Map.Map QName QName

-> Map.Map Entity QName

setEntityTypeMap = Map.mapKeys . mkEntity

getPrefixMap :: (Int, OWLMorphism) -> (Int, Map.Map QName QName)

getPrefixMap (i, phi) = let

f = pmap phi

in (i, Map.fromList $

map (\ (x, y) -> (mkQName x, mkQName y)) $

Map.toAscList f)

toQName :: PrefixMap -> Map.Map QName String

toQName pm = Map.fromList $ map (\ (p, s) -> (mkQName p, s)) $ Map.toList pm