X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.db.layer0%2Fsrc%2Forg%2Fsimantics%2Fdb%2Flayer0%2Fadapter%2FReflectionExternalValue.java;fp=bundles%2Forg.simantics.db.layer0%2Fsrc%2Forg%2Fsimantics%2Fdb%2Flayer0%2Fadapter%2FReflectionExternalValue.java;h=6bc6afb3bbc6d0a7990068adac0412c86d485037;hb=3850fec72035293b9a4ede780d01aedc5fbc9056;hp=0000000000000000000000000000000000000000;hpb=1e957fc9da518f3bef8a2c19cad72772087e1b6a;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/adapter/ReflectionExternalValue.java b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/adapter/ReflectionExternalValue.java
new file mode 100644
index 000000000..6bc6afb3b
--- /dev/null
+++ b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/adapter/ReflectionExternalValue.java
@@ -0,0 +1,25 @@
+package org.simantics.db.layer0.adapter;
+
+import org.simantics.db.ExternalValue;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.scl.reflection.ReflectionUtils;
+import org.simantics.scl.reflection.ValueNotFoundException;
+
+public class ReflectionExternalValue implements ExternalValue {
+
+	@Override
+	public <T> T getValue(ReadGraph graph, Resource resource) throws DatabaseException {
+		
+		try {
+			return (T)ReflectionUtils.getValue(graph.getURI(resource)).getValue();
+		} catch(ValueNotFoundException e) {
+			throw new DatabaseException(e);
+		} catch(ClassCastException e) {
+			throw new DatabaseException(e);
+		}
+		
+	}
+
+}