Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.modeling.ui / src / org / simantics / modeling / ui / chart / property / ObtainedDoubleAdapter.java

diff --git a/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/chart/property/ObtainedDoubleAdapter.java b/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/chart/property/ObtainedDoubleAdapter.java
new file mode 100644 (file)
index 0000000..7ae1cd8
--- /dev/null
+++ b/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/chart/property/ObtainedDoubleAdapter.java
@@ -0,0 +1,52 @@
+/*******************************************************************************\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.modeling.ui.chart.property;\r
+\r
+import java.util.ArrayList;\r
+import java.util.Collections;\r
+\r
+import org.simantics.databoard.Bindings;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.RelationContext;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.Statement;\r
+import org.simantics.db.common.adaption.SimpleContextualAdapter;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.layer0.property.OrderedResource;\r
+import org.simantics.operation.Layer0X;\r
+\r
+/**\r
+ * @author Tuukka Lehtonen\r
+ */\r
+public class ObtainedDoubleAdapter extends SimpleContextualAdapter<Double, RelationContext> {\r
+\r
+    @Override\r
+    public Double adapt(ReadGraph graph, Resource source, RelationContext context) throws DatabaseException {\r
+        Layer0X L0X = Layer0X.getInstance(graph);\r
+        ArrayList<OrderedResource> order = new ArrayList<OrderedResource>();\r
+        for (Statement stm : graph.getStatements(context.getSubject(), L0X.ObtainsProperty)) {\r
+            Integer position = graph.getRelatedValue(stm.getPredicate(), L0X.NaturalNumberOrderRelation,\r
+                    Bindings.INTEGER);\r
+            order.add(new OrderedResource(position, stm.getObject()));\r
+        }\r
+        if (order.size() > 1)\r
+            Collections.sort(order);\r
+        for (OrderedResource or : order) {\r
+            Double result = graph.getPossibleRelatedAdapter(or.r, context.getStatement().getPredicate(), Double.class);\r
+            if (result != null)\r
+                return result;\r
+        }\r
+\r
+        return null;\r
+    }\r
+\r
+}\r