[Mulgara-svn] r917 - trunk/src/jar/query/java/org/mulgara/query/rdf

[pag at mulgara.org]

Author: pag
Date: 2008-05-13 20:05:00 -0700 (Tue, 13 May 2008)
New Revision: 917

Modified:
   trunk/src/jar/query/java/org/mulgara/query/rdf/Mulgara.java
Log:
Added system graph names

Modified: trunk/src/jar/query/java/org/mulgara/query/rdf/Mulgara.java
===================================================================
--- trunk/src/jar/query/java/org/mulgara/query/rdf/Mulgara.java	2008-05-13 08:46:56 UTC (rev 916)
+++ trunk/src/jar/query/java/org/mulgara/query/rdf/Mulgara.java	2008-05-14 03:05:00 UTC (rev 917)
@@ -42,4 +42,13 @@
 public class Mulgara {
   /** Mulgara RDF namespace. */
   public final static String NAMESPACE = "http://mulgara.org/mulgara#";
+  
+  /** A general identifier for an empty graph */
+  public final static String NULL_GRAPH = "sys:null";
+
+  /** An identifier for a prefix graph */
+  public final static String PREFIX_GRAPH = "sys:prefix";
+
+  /** An identifier for a nodetype graph */
+  public final static String NODE_TYPE_GRAPH = "sys:type";
 }