X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.event%2Fsrc%2Forg%2Fsimantics%2Fevent%2Fview%2Fhandler%2FGetEventLogsQuery.java;fp=bundles%2Forg.simantics.event%2Fsrc%2Forg%2Fsimantics%2Fevent%2Fview%2Fhandler%2FGetEventLogsQuery.java;h=40e1be00b7c6e3cea9b7a11dd68998b05abe25c5;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.event/src/org/simantics/event/view/handler/GetEventLogsQuery.java b/bundles/org.simantics.event/src/org/simantics/event/view/handler/GetEventLogsQuery.java
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+++ b/bundles/org.simantics.event/src/org/simantics/event/view/handler/GetEventLogsQuery.java
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+/*******************************************************************************
+ * Copyright (c) 2007, 2011 Association for Decentralized Information Management in
+ * Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.event.view.handler;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.common.request.UniqueRead;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.event.ontology.EventResource;
+import org.simantics.layer0.Layer0;
+
+/**
+ * Given a list of events, return respective eventlogs.
+ */
+public class GetEventLogsQuery extends UniqueRead<Collection<Resource>> {
+
+	Collection<Resource> events;
+	
+	public GetEventLogsQuery(Collection<Resource> events) {
+		this.events = events;
+	}
+
+	@Override
+	public Collection<Resource> perform(ReadGraph graph) throws DatabaseException {
+		Layer0 L0 = Layer0.getInstance(graph);
+		EventResource EVENT = EventResource.getInstance(graph);
+		List<Resource> eventlogs = new ArrayList<Resource>(1);
+		for (Resource event : events) {
+			Resource eventslice = graph.getPossibleObject(event, L0.PartOf);
+			if (eventslice==null || !graph.isInstanceOf(eventslice, EVENT.EventSlice)) continue;
+			Resource eventlog = graph.getPossibleObject(eventslice, L0.PartOf);
+			if (eventlog==null || !graph.isInstanceOf(eventlog, EVENT.EventLog)) continue;
+			if (!eventlogs.contains( event )) {
+				eventlogs.add( eventlog );
+			}
+		}
+		return eventlogs;
+	}
+	
+
+}