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130
modules/srdfJena/src/main/scala/es/weso/rdf/jena/EndpointAndModel.scala
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,130 @@ | ||
| package es.weso.rdf.jena | ||
| import java.io.ByteArrayOutputStream | ||
| import cats.implicits._ | ||
| import com.typesafe.scalalogging.LazyLogging | ||
| import es.weso.rdf._ | ||
| import es.weso.rdf.jena.JenaMapper._ | ||
| import es.weso.rdf.jena.SPARQLQueries._ | ||
| import es.weso.rdf.nodes.{RDFNode, _} | ||
| import es.weso.rdf.path.SHACLPath | ||
| import es.weso.rdf.triples.RDFTriple | ||
| import es.weso.utils.EitherUtils | ||
| import io.circe.Json | ||
| import io.circe.parser.parse | ||
| import org.apache.jena.query._ | ||
| import org.apache.jena.rdf.model.{Model, Property, Statement, RDFNode => JenaRDFNode} | ||
| import org.slf4j._ | ||
| import scala.jdk.CollectionConverters._ | ||
| import scala.util.{Either, Left, Right, Try} | ||
| import cats._ | ||
| import cats.implicits._ | ||
|
|
||
| case class Compound(endpoints: List[Endpoint], | ||
| rdfModels: List[RDFAsJenaModel]) | ||
| extends RDFReader | ||
| with RDFReasoner | ||
| with LazyLogging { | ||
|
|
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| type Rdf = Compound | ||
|
|
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| val id = s"Compound" | ||
|
|
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| def availableParseFormats: List[String] = List() | ||
| def availableSerializeFormats: List[String] = List() | ||
|
|
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| override def getPrefixMap: PrefixMap = { | ||
| // TODO: Can we get more info about prefix maps from an endpoint? | ||
| PrefixMap(Map()) | ||
| } | ||
|
|
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| val log = LoggerFactory.getLogger("Endpoint") | ||
|
|
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| override def fromString(cs: CharSequence, | ||
| format: String, | ||
| base: Option[IRI]): Either[String, Compound] = { | ||
| throw new Exception("Cannot parse into a compound") | ||
| } | ||
|
|
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| override def serialize(format: String, base: Option[IRI]): Either[String,String] = { | ||
| Left(s"Endpoint cannot be serialized to $format") | ||
| } | ||
|
|
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| override def iris(): Either[String,Set[IRI]] = ??? | ||
| override def subjects(): Either[String,Set[RDFNode]] = ??? | ||
| override def predicates(): Either[String, Set[IRI]] = ??? | ||
| override def iriObjects(): Either[String,Set[IRI]] = ??? | ||
| override def getSHACLInstances(c: RDFNode): Either[String,Seq[RDFNode]] = ??? | ||
|
|
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| override def hasSHACLClass(n: RDFNode, c: RDFNode): Either[String, Boolean] = ??? | ||
|
|
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| override def nodesWithPath(path: SHACLPath): Either[String, Set[(RDFNode, RDFNode)]] = ??? | ||
|
|
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| override def subjectsWithPath(path: SHACLPath, obj: RDFNode): Either[String, Set[RDFNode]] = ??? | ||
|
|
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| override def objectsWithPath(subj: RDFNode, path: SHACLPath): Either[String,Set[RDFNode]] = ??? | ||
|
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| override def checkDatatype(node: RDFNode, datatype: IRI): Either[String,Boolean] = | ||
| JenaMapper.wellTypedDatatype(node, datatype) | ||
|
|
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| override def rdfTriples(): Either[String,Set[RDFTriple]] = ??? | ||
|
|
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| def triplesWithSubject(node: RDFNode): Either[String,Set[RDFTriple]] = ??? | ||
|
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| def triplesWithPredicate(p: IRI): Either[String,Set[RDFTriple]] = { | ||
| ??? | ||
| } | ||
|
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| def triplesWithObject(node: RDFNode): Either[String,Set[RDFTriple]] = { | ||
| val xs = for { | ||
| ts1 <- endpoints.map(_.triplesWithObject(node)) | ||
| ts2 <- rdfModels.map(_.triplesWithObject(node)) | ||
| } yield combine(ts1,ts2) | ||
| flat(xs) | ||
| } | ||
|
|
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| private def flat[A](ls: List[Either[String,Set[A]]]): Either[String,Set[A]] = { | ||
| ls.sequence.map(_.flatten).map(_.toSet) | ||
| } | ||
|
|
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| private def combine[A](es1: Either[String,Set[A]], es2: Either[String,Set[A]]): Either[String,Set[A]]= | ||
| for { | ||
| s1 <- es1 | ||
| s2 <- es2 | ||
| } yield s1 ++ s2 | ||
|
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| def triplesWithPredicateObject(p: IRI, o: RDFNode): Either[String, Set[RDFTriple]] = { | ||
| val xs = for { | ||
| ts1 <- endpoints.map(_.triplesWithPredicateObject(p, o)) | ||
| ts2 <- rdfModels.map(_.triplesWithPredicateObject(p, o)) | ||
| } yield for { | ||
| s1 <- ts1 | ||
| s2 <- ts2 | ||
| } yield s1 ++ s2 | ||
| xs.toList.sequence.map(_.flatten).map(_.toSet) | ||
| } | ||
|
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| override def applyInference(inference: String): Either[String, Rdf] = { | ||
| inference.toUpperCase match { | ||
| case "NONE" => Right(this) | ||
| case other => Left(s"Unsupported inference $other for compound model") | ||
| } | ||
| } | ||
|
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| override def availableInferenceEngines: List[String] = List("NONE") | ||
|
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| override def querySelect(queryStr: String): Either[String, List[Map[String,RDFNode]]] = ??? | ||
|
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| override def queryAsJson(queryStr: String): Either[String, Json] = ??? | ||
|
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| override def getNumberOfStatements(): Either[String,Int] = ??? | ||
|
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| override def isIsomorphicWith(other: RDFReader): Either[String,Boolean] = | ||
| Left(s"Unimplemented isIsomorphicWith between endpoints") | ||
|
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| override def asRDFBuilder: Either[String,RDFBuilder] = | ||
| Left(s"Unimplemented isIsomorphicWith between endpoints") | ||
|
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| override def rdfReaderName: String = s"Compound" | ||
|
|
||
| override def sourceIRI: Option[IRI] = None | ||
| } |
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