svn commit: r1084740 - /incubator/clerezza/trunk/parent/rdf.utils/src/main/java/org/apache/clerezza/rdf/utils/GraphNode.java

[bb...@apache.org]

Author: bblfish
Date: Wed Mar 23 20:59:34 2011
New Revision: 1084740

URL: http://svn.apache.org/viewvc?rev=1084740&view=rev
Log:
CLEREZZA-472: Adding addInverseProperty method

Modified:
    incubator/clerezza/trunk/parent/rdf.utils/src/main/java/org/apache/clerezza/rdf/utils/GraphNode.java

Modified: incubator/clerezza/trunk/parent/rdf.utils/src/main/java/org/apache/clerezza/rdf/utils/GraphNode.java
URL: http://svn.apache.org/viewvc/incubator/clerezza/trunk/parent/rdf.utils/src/main/java/org/apache/clerezza/rdf/utils/GraphNode.java?rev=1084740&r1=1084739&r2=1084740&view=diff
==============================================================================
--- incubator/clerezza/trunk/parent/rdf.utils/src/main/java/org/apache/clerezza/rdf/utils/GraphNode.java (original)
+++ incubator/clerezza/trunk/parent/rdf.utils/src/main/java/org/apache/clerezza/rdf/utils/GraphNode.java Wed Mar 23 20:59:34 2011
@@ -475,6 +475,7 @@ public class GraphNode {
 		}
 	}
 
+
 	/**
 	 * Coverts the value into a typed literals and sets it as object of the
 	 * specified property
@@ -488,6 +489,22 @@ public class GraphNode {
 	}
 
 	/**
+	 * Adds a property to the node with the inverse of the specified predicate and object
+	 * In other words <code>subject</code> will be related via the property <code>relation</code> to this node.
+	 *
+	 * @param predicate
+	 * @param subject
+	 */
+	public void addInverseProperty(UriRef predicate, Resource subject) {
+		if (subject instanceof NonLiteral) {
+			graph.add(new TripleImpl((NonLiteral) subject, predicate, resource));
+		} else {
+			throw new RuntimeException("Literals cannot be the subject of a statement");
+		}
+	}
+
+
+	/**
 	 * creates and returns an <code>RdfList</code> for the node and
 	 * TripleCollection represented by this object.
 	 *