Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.db.common / src / org / simantics / db / common / request / DeepObjectsWithType.java

diff --git a/bundles/org.simantics.db.common/src/org/simantics/db/common/request/DeepObjectsWithType.java b/bundles/org.simantics.db.common/src/org/simantics/db/common/request/DeepObjectsWithType.java
new file mode 100644 (file)
index 0000000..62113df
--- /dev/null
+++ b/bundles/org.simantics.db.common/src/org/simantics/db/common/request/DeepObjectsWithType.java
@@ -0,0 +1,26 @@
+package org.simantics.db.common.request;\r
+\r
+import java.util.Collection;\r
+import java.util.HashSet;\r
+\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.exception.DatabaseException;\r
+\r
+public class DeepObjectsWithType extends ResourceRead3<Collection<Resource>> {\r
+\r
+       public DeepObjectsWithType(Resource subject, Resource subrelationOf, Resource instanceOf) {\r
+        super(subject, subrelationOf, instanceOf);\r
+    }\r
+\r
+       @Override\r
+       public Collection<Resource> perform(ReadGraph graph) throws DatabaseException {\r
+               HashSet<Resource> result = new HashSet<Resource>();\r
+               for(Resource object : graph.sync(new ObjectsWithType(resource, resource2, resource3))) {\r
+                       result.add(object);\r
+                       result.addAll(graph.sync(new DeepObjectsWithType(object, resource2, resource3)));\r
+               }\r
+               return result;\r
+       }\r
+\r
+}\r