X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.event%2Fsrc%2Forg%2Fsimantics%2Fevent%2Futil%2FEventUtils.java;fp=bundles%2Forg.simantics.event%2Fsrc%2Forg%2Fsimantics%2Fevent%2Futil%2FEventUtils.java;h=bb85be21fe878143cb864547df0576043625efc3;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.event/src/org/simantics/event/util/EventUtils.java b/bundles/org.simantics.event/src/org/simantics/event/util/EventUtils.java
new file mode 100644
index 000000000..bb85be21f
--- /dev/null
+++ b/bundles/org.simantics.event/src/org/simantics/event/util/EventUtils.java
@@ -0,0 +1,29 @@
+package org.simantics.event.util;
+
+import java.util.UUID;
+
+import org.simantics.databoard.Bindings;
+import org.simantics.db.Resource;
+import org.simantics.db.WriteGraph;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.event.ontology.EventResource;
+import org.simantics.layer0.Layer0;
+
+public class EventUtils {
+
+	public static final int MAX_EVENTS = 1000;
+	public static final int SLICE_SIZE = 64;
+	public static final int KEEPS_SLICES = (MAX_EVENTS / SLICE_SIZE) + 2;
+	public static final String MAX_SLICE_NAME = "" + (SLICE_SIZE-1);
+
+	public static Resource createLog(WriteGraph graph) throws DatabaseException {
+		Layer0 L0 = Layer0.getInstance(graph);
+		EventResource EVENT = EventResource.getInstance(graph);
+        Resource log = graph.newResource();
+        graph.claim(log, L0.InstanceOf, null, EVENT.EventLog);
+        graph.claimLiteral(log, L0.HasName, UUID.randomUUID().toString(), Bindings.STRING);
+        graph.claimLiteral(log, EVENT.HasModificationCounter, 0, Bindings.INTEGER);
+        return log;
+	}
+	
+}