X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.db.common%2Fsrc%2Forg%2Fsimantics%2Fdb%2Fcommon%2Frequest%2FPossibleOwner.java;fp=bundles%2Forg.simantics.db.common%2Fsrc%2Forg%2Fsimantics%2Fdb%2Fcommon%2Frequest%2FPossibleOwner.java;h=cd91d9ffc3a54728a66f0725e86121fcbdd38c39;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.db.common/src/org/simantics/db/common/request/PossibleOwner.java b/bundles/org.simantics.db.common/src/org/simantics/db/common/request/PossibleOwner.java
new file mode 100644
index 000000000..cd91d9ffc
--- /dev/null
+++ b/bundles/org.simantics.db.common/src/org/simantics/db/common/request/PossibleOwner.java
@@ -0,0 +1,25 @@
+package org.simantics.db.common.request;
+
+import java.util.Collections;
+
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.common.utils.CommonDBUtils;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.layer0.Layer0;
+
+public class PossibleOwner extends ResourceRead<Resource> {
+
+    public PossibleOwner(Resource resource) {
+        super(resource);
+    }
+
+    @Override
+    public Resource perform(ReadGraph graph) throws DatabaseException {
+        Layer0 L0 = Layer0.getInstance(graph);
+        Resource directOwner = graph.getPossibleObject(resource, L0.IsOwnedBy);
+        if(directOwner != null) return directOwner;
+        return CommonDBUtils.getNearestOwner(graph, Collections.singleton(resource));
+    }
+    
+}
\ No newline at end of file