--- /dev/null
+package org.simantics.db.tests.api.story.sessionGarbageCollection;
+
+import java.util.Collection;
+
+import org.simantics.db.Resource;
+import org.simantics.db.WriteGraph;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.layer0.util.RemoverUtil;
+import org.simantics.db.testing.common.WriteCommand;
+import org.simantics.layer0.Layer0;
+import org.simantics.utils.datastructures.collections.CollectionUtils;
+
+public class RemoveList extends WriteCommand<CollectDuringWriteAndRead> {
+
+ @Override
+ protected void run(WriteGraph graph, CollectDuringWriteAndRead environment) throws DatabaseException {
+
+ Layer0 L0 = Layer0.getInstance(graph);
+ Resource root = environment.getRoot();
+
+ Collection<Resource> lists = graph.getObjects(root, L0.ConsistsOf);
+ if(lists.size() == 0) return;
+
+ int position = environment.randomNatural() % lists.size();
+
+ Resource list = CollectionUtils.element(lists, position);
+ RemoverUtil.remove(graph, list);
+ graph.deny(root, L0.ConsistsOf, list);
+
+ }
+
+}
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