You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@clerezza.apache.org by re...@apache.org on 2011/06/30 20:56:41 UTC
svn commit: r1141666 -
/incubator/clerezza/issues/CLEREZZA-510-reto/rdf.scala.utils/src/main/scala/org/apache/clerezza/rdf/scala/utils/EzGraph.scala
Author: reto
Date: Thu Jun 30 18:56:40 2011
New Revision: 1141666
URL: http://svn.apache.org/viewvc?rev=1141666&view=rev
Log:
CLEREZZA-510: splitting things to different files as a first refactoring step
Modified:
incubator/clerezza/issues/CLEREZZA-510-reto/rdf.scala.utils/src/main/scala/org/apache/clerezza/rdf/scala/utils/EzGraph.scala
Modified: incubator/clerezza/issues/CLEREZZA-510-reto/rdf.scala.utils/src/main/scala/org/apache/clerezza/rdf/scala/utils/EzGraph.scala
URL: http://svn.apache.org/viewvc/incubator/clerezza/issues/CLEREZZA-510-reto/rdf.scala.utils/src/main/scala/org/apache/clerezza/rdf/scala/utils/EzGraph.scala?rev=1141666&r1=1141665&r2=1141666&view=diff
==============================================================================
--- incubator/clerezza/issues/CLEREZZA-510-reto/rdf.scala.utils/src/main/scala/org/apache/clerezza/rdf/scala/utils/EzGraph.scala (original)
+++ incubator/clerezza/issues/CLEREZZA-510-reto/rdf.scala.utils/src/main/scala/org/apache/clerezza/rdf/scala/utils/EzGraph.scala Thu Jun 30 18:56:40 2011
@@ -43,22 +43,7 @@ abstract class EzStyle[T<:EzGraphNode]()
def preferred(ref: NonLiteral, tc: TripleCollection):T
}
-/**
- * import your preferred writing styles into your code
- */
-object EzStyleChoice {
- implicit val unicode = new EzStyle[EzGraphNodeU](){
- override def preferred(ref: NonLiteral, tc: TripleCollection): EzGraphNodeU = new EzGraphNodeU(ref,tc)
- }
- implicit val arrow = new EzStyle[EzGraphNodeA](){
- override def preferred(ref: NonLiteral, tc: TripleCollection): EzGraphNodeA = new EzGraphNodeA(ref,tc)
- }
- implicit val english = new EzStyle[EzGraphNodeEn](){
- override def preferred(ref: NonLiteral, tc: TripleCollection): EzGraphNodeEn = new EzGraphNodeEn(ref,tc)
- }
-
-}
/**
* EzGraph enhances graph writing. Used together with EzGraphNode, it can make writing rdf graphs in code a lot more
* readable, as it avoids a lot of repetition.
@@ -149,98 +134,6 @@ class EzGraph(val baseTc: MGraph) extend
}
/**
- * Unicode arrow notation for EzGraphNode. Very clean, short and efficient, but unicode values may not
- * be available everywhere yet.
- *
- * Because of operator binding rules all the mathematical operators bind the strongest. This means that
- * anything outside of these operators should be put into brackets or use dot notation if you wish them to
- * bind more tightly.
- *
- *
- * @prefix graph: should this be an MGraph, since the EzGraphNode is really designed for editing
- *
- */
-class EzGraphNodeU(ref: NonLiteral, graph: TripleCollection) extends EzGraphNode(ref, graph) {
- //
- // symbolic notation
- //
- // (shorter and more predictable precedence rules, but unicode issues)
-
- type T_Pred = PredicateU
- type T_InvP = InversePredicateU
- type T_EzGN = EzGraphNodeU
-
- override def make(ref: NonLiteral, graph: TripleCollection) = new EzGraphNodeU(ref,graph)
- override def predicate(rel: UriRef) = new PredicateU(rel)
- override def inverse(rel: UriRef) = new InversePredicateU(rel)
-
- /**
- * relate the subject via the given relation to....
- */
- def â(rel: UriRef) = predicate(rel)
-
- /**
- * relate the subject via the given relation to....
- */
- def â(rel: String) = predicate(new UriRef(rel))
-
- /**
- * relate the subject via the inverse of the given relation to....
- */
- def âµ(rel: UriRef) = inverse(rel)
-
- /**
- * the subject is a member of the given class
- */
- def â(rdfclass: UriRef) = a(rdfclass)
-
-
- class InversePredicateU(rel: UriRef) extends InversePredicate(rel) {
- /**
- * ...to the following non literal
- */
- def â(subj: NonLiteral) = add(subj)
-
- /**
- * ...to the following resource (given as a string)
- */
- def â(uri: String) = add(new UriRef(uri))
-
- /**
- * ...to the following EzGraphNode
- * (useful for opening a new parenthesis and specifying other things in more detail
- */
- def â(sub: EzGraphNodeU) = addGN(sub)
- }
-
- class PredicateU(rel: UriRef) extends Predicate(rel) {
-
- /**
- * ...to the following resource
- */
- def â¶(obj: Resource) = add(obj)
-
- /**
- * ...to the following list as an RDF List
- */
- def â¶(list: List[Resource]) = addList(list)
-
- /**
- * Add one relation for each member of the iterable collection
- */
- def â¶*[T <: Resource](objs: Iterable[T]) = addMany(objs)
-
- /**
- * ...to the EzGraphNode, which is useful for opening a parenthesis.
- */
- def â¶(sub: EzGraphNode) = addEG(sub)
-
- }
-
-
-}
-
-/**
* Ascii Arrow notation for EzGraphNode. This is easy to write using an ascii keyboard but because
* of operator precedence rules, some operators will have higher and some lower precedence to these
* meaning that one has to keep in mind these rules:
@@ -341,106 +234,24 @@ class EzGraphNodeA(ref: NonLiteral, grap
}
-/**
- * English language looking Notation for EzGraphNode. This feels gives somewhat awkward
- * english, but the operator binding priorities for ascii named operators is the weakest, which
- * means that one needs very few parenthesis when writing out the code as all other operators bind
- * more tightly.
- */
-class EzGraphNodeEn(ref: NonLiteral, graph: TripleCollection) extends EzGraphNode(ref, graph) {
-
- type T_Pred = PredicateEn
- type T_InvP = InversePredicateEn
- type T_EzGN = EzGraphNodeEn
-
- override protected def make(ref: NonLiteral, graph: TripleCollection) = new EzGraphNodeEn(ref,graph)
- override protected def predicate(rel: UriRef) = new PredicateEn(rel)
- override protected def inverse(rel: UriRef) = new InversePredicateEn(rel)
-
- /**
- * the subject has the given relation to....
- */
- def has(rel: UriRef) = predicate(rel)
-
- /**
- * the subject has the given relation (specified as string) to....
- */
- def has(rel: String) = predicate(new UriRef(rel))
-
- /**
- * the subject is the inverse relation of ...
- */
- def is(rel: UriRef) = inverse(rel)
-
- class InversePredicateEn(rel: UriRef) extends InversePredicate(rel) {
-
-
- /**
- * ...the following non literal
- */
- def of(subj: NonLiteral) = add(subj)
-
- /**
- * ...the following resource (as String)
- */
- def of(subj: String) = add(new UriRef(subj))
-
- /**
- * ...the following EzGraphNode - useful for opening a new bracket
- */
- def of(subj: EzGraphNode) = addGN(subj)
- }
-
- class PredicateEn(rel: UriRef) extends Predicate(rel) {
-
-
- /**
- * ...to the following resource
- */
- def to(obj: Resource) = add(obj)
-
- /**
- * ...to the following RDF list
- */
- def to(list: List[Resource]) = addList(list)
-
- /**
- * ... each of the members of the iterable collection
- */
- def toEach[T <: Resource](objs: Iterable[T]) = addMany(objs)
-
- /**
- * ...to the EzGraphNode, which is useful for opening a parenthesis.
- */
- def to(sub: EzGraphNode) = addEG(sub)
-
- }
-
-}
-
-object EzGraphNode {
- /**
- * create a new EzGraphNode in the preferred writing style
- */
- def apply[T<:EzGraphNode](ref: NonLiteral, graph: TripleCollection)(implicit writingStyle: EzStyle[T]=EzStyleChoice.arrow ): T = {
- writingStyle.preferred(ref,graph)
- }
-}
/**
* EzGraphNode. Create instances from an EzGraph object. Differnt notations implementations can be used.
*/
-abstract class EzGraphNode(val ref: NonLiteral, val graph: TripleCollection) extends GraphNode(ref, graph) {
+abstract class EzGraphNode(val ref: NonLiteral, val graph: TripleCollection) extends RichGraphNode(ref, graph) {
// lazy val easyGraph = graph match {
// case eg: EzGraph => eg
// case other: TripleCollection => new EzGraph(graph)
// }
- def +(sub: EzGraphNode) = {
+ //removed this as:
+ // + is typically a symmatric operation, which it isn't here
+ // we should use a unin-mgraph rather than copying around triples
+ /*def +(sub: EzGraphNode) = {
if (graph ne sub.graph) graph.addAll(sub.graph)
this
- }
+ }*/
type T_Pred <: Predicate
type T_InvP <: InversePredicate
@@ -470,7 +281,7 @@ abstract class EzGraphNode(val ref: NonL
abstract class InversePredicate(rel: UriRef) {
protected def addGN(subj: EzGraphNode) = {
- EzGraphNode.this + subj
+ //EzGraphNode.this + subj
add(subj.ref)
}
@@ -500,7 +311,7 @@ abstract class EzGraphNode(val ref: NonL
}
protected def addEG(sub: EzGraphNode): T_EzGN = {
- EzGraphNode.this + sub
+ //EzGraphNode.this + sub
add(sub.ref)
}
@@ -542,3 +353,12 @@ abstract class EzGraphNode(val ref: NonL
}
+object EzGraphNode {
+ /**
+ * create a new EzGraphNode in the preferred writing style
+ */
+ def apply[T<:EzGraphNode](ref: NonLiteral, graph: TripleCollection)(implicit writingStyle: EzStyle[T]=EzStyleChoice.arrow ): T = {
+ writingStyle.preferred(ref,graph)
+ }
+}
+