X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.db.common%2Fsrc%2Forg%2Fsimantics%2Fdb%2Fcommon%2Frequest%2FPossibleNearestOwner.java;fp=bundles%2Forg.simantics.db.common%2Fsrc%2Forg%2Fsimantics%2Fdb%2Fcommon%2Frequest%2FPossibleNearestOwner.java;h=d2b59d204a6d4b0523fcbb30b1c4e1184ac12a19;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.db.common/src/org/simantics/db/common/request/PossibleNearestOwner.java b/bundles/org.simantics.db.common/src/org/simantics/db/common/request/PossibleNearestOwner.java
new file mode 100644
index 000000000..d2b59d204
--- /dev/null
+++ b/bundles/org.simantics.db.common/src/org/simantics/db/common/request/PossibleNearestOwner.java
@@ -0,0 +1,21 @@
+package org.simantics.db.common.request;
+
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.exception.DatabaseException;
+
+public class PossibleNearestOwner extends ResourceRead2<Resource> {
+
+    public PossibleNearestOwner(Resource resource, Resource type) {
+        super(resource, type);
+    }
+
+    @Override
+    public Resource perform(ReadGraph graph) throws DatabaseException {
+    	Resource owner = graph.syncRequest(new PossibleOwner(resource));
+    	if(owner == null) return null;
+    	if(graph.isInstanceOf(owner, resource2)) return owner;
+    	return graph.syncRequest(new PossibleNearestOwner(owner, resource2));
+    }
+    
+}
\ No newline at end of file