X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=org.simantics.district.network%2Fsrc%2Forg%2Fsimantics%2Fdistrict%2Fnetwork%2Ftechtype%2Frequests%2FTechTypeTableKeyName.java;fp=org.simantics.district.network%2Fsrc%2Forg%2Fsimantics%2Fdistrict%2Fnetwork%2Ftechtype%2Frequests%2FTechTypeTableKeyName.java;h=86b7d720e124a3129e1b4d08a08cf35ecb21cd1a;hb=140777cbd6d770435d8eb70f9e2266e5e849658e;hp=0000000000000000000000000000000000000000;hpb=d330df8c4d24489b3af3517a1884d65d75adc890;p=simantics%2Fdistrict.git

diff --git a/org.simantics.district.network/src/org/simantics/district/network/techtype/requests/TechTypeTableKeyName.java b/org.simantics.district.network/src/org/simantics/district/network/techtype/requests/TechTypeTableKeyName.java
new file mode 100644
index 00000000..86b7d720
--- /dev/null
+++ b/org.simantics.district.network/src/org/simantics/district/network/techtype/requests/TechTypeTableKeyName.java
@@ -0,0 +1,33 @@
+package org.simantics.district.network.techtype.requests;
+
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.common.request.ResourceRead;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.district.network.ontology.DistrictNetworkResource;
+import org.simantics.layer0.Layer0;
+
+public class TechTypeTableKeyName extends ResourceRead<String> {
+	
+	public TechTypeTableKeyName(Resource table) {
+		super(table);
+	}
+
+	@Override
+	public String perform(ReadGraph graph) throws DatabaseException {
+		Layer0 L0 = Layer0.getInstance(graph);
+		DistrictNetworkResource DN = DistrictNetworkResource.getInstance(graph);
+		
+		Resource type = graph.getPossibleObject(resource, DN.TechType_TechTypeTable_HasComponentType);
+		if (type != null) {
+			for (Resource r : graph.getObjects(type, L0.DomainOf)) {
+				Resource accessor = graph.getPossibleObject(r, L0.valueAccessor);
+				if (accessor.equals(DN.TechType_Functions_techTypeCodeValueAccessor)) {
+					return graph.getRelatedValue2(r, L0.HasName);
+				}
+			}
+		}
+		
+		return null;
+	}
+}
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