X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=blobdiff_plain;f=bundles%2Forg.simantics.color.ontology%2Fsrc%2Forg%2Fsimantics%2Fcolor%2FColorResource.java;fp=bundles%2Forg.simantics.color.ontology%2Fsrc%2Forg%2Fsimantics%2Fcolor%2FColorResource.java;h=2247c76dd99271de926a92a42bf05c580a39c807;hp=0000000000000000000000000000000000000000;hb=969bd23cab98a79ca9101af33334000879fb60c5;hpb=866dba5cd5a3929bbeae85991796acb212338a08

diff --git a/bundles/org.simantics.color.ontology/src/org/simantics/color/ColorResource.java b/bundles/org.simantics.color.ontology/src/org/simantics/color/ColorResource.java
new file mode 100644
index 000000000..2247c76dd
--- /dev/null
+++ b/bundles/org.simantics.color.ontology/src/org/simantics/color/ColorResource.java
@@ -0,0 +1,58 @@
+package org.simantics.color;
+
+import org.simantics.db.RequestProcessor;
+import org.simantics.db.Resource;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.request.Read;
+import org.simantics.db.Session;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.service.QueryControl;
+
+public class ColorResource {
+    
+    public final Resource RGB;
+        
+    public static class URIs {
+        public static final String RGB = "http://www.simantics.org/Color-1.1/RGB";
+    }
+    
+    public static Resource getResourceOrNull(ReadGraph graph, String uri) {
+        try {
+            return graph.getResource(uri);
+        } catch(DatabaseException e) {
+            System.err.println(e.getMessage());
+            return null;
+        }
+    }
+    
+    public ColorResource(ReadGraph graph) {
+        RGB = getResourceOrNull(graph, URIs.RGB);
+    }
+    
+    public static ColorResource getInstance(ReadGraph graph) {
+        Session session = graph.getSession();
+        ColorResource ret = session.peekService(ColorResource.class);
+        if(ret == null) {
+            QueryControl qc = graph.getService(QueryControl.class);
+            ret = new ColorResource(qc.getIndependentGraph(graph));
+            session.registerService(ColorResource.class, ret);
+        }
+        return ret;
+    }
+    
+    public static ColorResource getInstance(RequestProcessor session) throws DatabaseException {
+        ColorResource ret = session.peekService(ColorResource.class);
+        if(ret == null) {
+            ret = session.syncRequest(new Read<ColorResource>() {
+                public ColorResource perform(ReadGraph graph) throws DatabaseException {
+                    QueryControl qc = graph.getService(QueryControl.class);
+                    return new ColorResource(qc.getIndependentGraph(graph));
+                }
+            });
+            session.registerService(ColorResource.class, ret);
+        }
+        return ret;
+    }
+    
+}
+