Added a method to get the objects of a particular predicate

bioclipse · Jul 2, 2012 · b90fc5d · b90fc5d
1 parent a8df352
commit b90fc5d
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diff --git a/plugins/net.bioclipse.rdf/src/net/bioclipse/rdf/business/IRDFManager.java b/plugins/net.bioclipse.rdf/src/net/bioclipse/rdf/business/IRDFManager.java
@@ -275,4 +275,12 @@ public void addPrefix(IRDFStore store, String prefix, String namespace)
     )
     public List<String> allOwlSameAs(IRDFStore store, String resourceURI)
     throws IOException, BioclipseException, CoreException;
+
+    @Recorded
+    @PublishedMethod(
+        params = "IRDFStore store, String resourceURI, String predicate",
+        methodSummary = "Lists all resources or literals for the resource and predicate."
+    )
+    public List<String> getForPredicate(IRDFStore store, String resourceURI, String predicate)
+    throws IOException, BioclipseException, CoreException;
 }
diff --git a/plugins/net.bioclipse.rdf/src/net/bioclipse/rdf/business/RDFManager.java b/plugins/net.bioclipse.rdf/src/net/bioclipse/rdf/business/RDFManager.java
@@ -492,6 +492,28 @@ public List<String> allPredicates(IRDFStore store) throws BioclipseException {
 		}
     }
 
+    public List<String> getForPredicate(IRDFStore store, String resourceURI, String predicate) throws BioclipseException {
+    	try {
+			StringMatrix results = sparql(store,
+				"SELECT DISTINCT ?object WHERE {" +
+				" <" + resourceURI + "> <" + predicate + "> ?object" +
+				"}"
+			);
+			if (results.getRowCount() == 0) return Collections.emptyList();
+			return results.getColumn("object");
+		} catch (IOException exception) {
+			throw new BioclipseException(
+			    "Could not query to store: " + exception.getMessage(),
+			    exception
+			);
+		} catch (CoreException exception) {
+			throw new BioclipseException(
+				"Could not query to store: " + exception.getMessage(),
+				exception
+			);
+		}
+    }
+
     public List<String> allOwlSameAs(IRDFStore store, String resourceURI)
     throws IOException, BioclipseException, CoreException {
     	Set<String> resources = new HashSet<String>();