Added missing org.simantics.db.{tests,testing} plug-ins.

[simantics/platform.git] / tests / org.simantics.db.tests / src / org / simantics / db / tests / api / story / sessionGarbageCollection / RemoveList.java

diff --git a/tests/org.simantics.db.tests/src/org/simantics/db/tests/api/story/sessionGarbageCollection/RemoveList.java b/tests/org.simantics.db.tests/src/org/simantics/db/tests/api/story/sessionGarbageCollection/RemoveList.java
new file mode 100644 (file)
index 0000000..5c3c53e
--- /dev/null
+++ b/tests/org.simantics.db.tests/src/org/simantics/db/tests/api/story/sessionGarbageCollection/RemoveList.java
@@ -0,0 +1,32 @@
+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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