X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.structural2%2Fsrc%2Forg%2Fsimantics%2Fstructural2%2Fqueries%2FStructuralChildMapOfResource.java;fp=bundles%2Forg.simantics.structural2%2Fsrc%2Forg%2Fsimantics%2Fstructural2%2Fqueries%2FStructuralChildMapOfResource.java;h=4243c1d634fa094c8feba83231ba829bffb99547;hb=0db0b69c4abedc90b366631582c57e13f2f110b7;hp=0000000000000000000000000000000000000000;hpb=512d469c3e490cdfc9a10fbbd6efe92ae6c0358a;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.structural2/src/org/simantics/structural2/queries/StructuralChildMapOfResource.java b/bundles/org.simantics.structural2/src/org/simantics/structural2/queries/StructuralChildMapOfResource.java
new file mode 100644
index 000000000..4243c1d63
--- /dev/null
+++ b/bundles/org.simantics.structural2/src/org/simantics/structural2/queries/StructuralChildMapOfResource.java
@@ -0,0 +1,34 @@
+package org.simantics.structural2.queries;
+
+import java.util.Map;
+
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.common.request.ResourceRead;
+import org.simantics.db.common.uri.UnescapedChildMapOfResource;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.structural.stubs.StructuralResource2;
+
+public class StructuralChildMapOfResource extends ResourceRead<Map<String, Resource>> {
+
+    public StructuralChildMapOfResource(Resource resource) {
+        super(resource);
+    }
+
+    @Override
+    public Map<String, Resource> perform(ReadGraph graph) throws DatabaseException {
+        StructuralResource2 STR = StructuralResource2.getInstance(graph);
+        Resource type = graph.getPossibleType(resource, STR.Component);
+        if(type != null) {
+            Resource definition = graph.getPossibleObject(type, STR.IsDefinedBy);
+            if(definition != null) {
+                Map<String, Resource> map = graph.syncRequest(new UnescapedChildMapOfResource(definition));
+                if (!map.isEmpty())
+                    return map;
+            } 
+        }
+        Map<String, Resource> directChildren = graph.syncRequest(new UnescapedChildMapOfResource(resource));
+        return directChildren;
+    }
+
+}
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