-/*******************************************************************************\r
- * Copyright (c) 2007, 2011 Association for Decentralized Information Management in\r
- * Industry THTH ry.\r
- * All rights reserved. This program and the accompanying materials\r
- * are made available under the terms of the Eclipse Public License v1.0\r
- * which accompanies this distribution, and is available at\r
- * http://www.eclipse.org/legal/epl-v10.html\r
- *\r
- * Contributors:\r
- * VTT Technical Research Centre of Finland - initial API and implementation\r
- *******************************************************************************/\r
-package org.simantics.charts.query;\r
-\r
-import org.simantics.charts.ontology.ChartResource;\r
-import org.simantics.db.ReadGraph;\r
-import org.simantics.db.Resource;\r
-import org.simantics.db.common.request.Queries;\r
-import org.simantics.db.common.request.ResourceRead;\r
-import org.simantics.db.exception.DatabaseException;\r
-import org.simantics.layer0.Layer0;\r
-\r
-/**\r
- * Query to chart for next available item index.\r
- * This is the largest item index found + 1.\r
- * \r
- * @author toni.kalajainen\r
- */\r
-public class NextChartItemIndexQuery extends ResourceRead<Integer> {\r
-\r
- public NextChartItemIndexQuery(Resource resource) {\r
- super(resource);\r
- }\r
-\r
- @Override\r
- public Integer perform(ReadGraph graph) throws DatabaseException {\r
- Layer0 L0 = Layer0.getInstance(graph);\r
- ChartResource CHART = ChartResource.getInstance(graph);\r
- \r
- int largest = 0;\r
- for (Resource item : graph.syncRequest(Queries.objectsWithType(resource, L0.ConsistsOf, CHART.Chart_Item))) {\r
- Integer index = graph.getPossibleRelatedValue(item, CHART.Chart_Item_Index);\r
- if (index != null) largest = Math.max(largest, index);\r
- }\r
- \r
- return largest+1;\r
- }\r
-\r
-}\r
+/*******************************************************************************
+ * 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.charts.query;
+
+import org.simantics.charts.ontology.ChartResource;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.common.request.Queries;
+import org.simantics.db.common.request.ResourceRead;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.layer0.Layer0;
+
+/**
+ * Query to chart for next available item index.
+ * This is the largest item index found + 1.
+ *
+ * @author toni.kalajainen
+ */
+public class NextChartItemIndexQuery extends ResourceRead<Integer> {
+
+ public NextChartItemIndexQuery(Resource resource) {
+ super(resource);
+ }
+
+ @Override
+ public Integer perform(ReadGraph graph) throws DatabaseException {
+ Layer0 L0 = Layer0.getInstance(graph);
+ ChartResource CHART = ChartResource.getInstance(graph);
+
+ int largest = 0;
+ for (Resource item : graph.syncRequest(Queries.objectsWithType(resource, L0.ConsistsOf, CHART.Chart_Item))) {
+ Integer index = graph.getPossibleRelatedValue(item, CHART.Chart_Item_Index);
+ if (index != null) largest = Math.max(largest, index);
+ }
+
+ return largest+1;
+ }
+
+}