-package org.simantics.db.layer0.property;\r
-\r
-import java.util.ArrayList;\r
-import java.util.Collections;\r
-\r
-import org.simantics.databoard.Bindings;\r
-import org.simantics.databoard.binding.Binding;\r
-import org.simantics.db.ReadGraph;\r
-import org.simantics.db.Resource;\r
-import org.simantics.db.Statement;\r
-import org.simantics.db.exception.DatabaseException;\r
-import org.simantics.operation.Layer0X;\r
-\r
-/**\r
- * @author Antti Villberg\r
- * TODO: consider removing since this doesn't seem to be used.\r
- */\r
-public class Properties {\r
- \r
- public static <T> T getPossibleRelatedValue(ReadGraph graph, Resource resource, Resource relation, Binding binding) throws DatabaseException {\r
- \r
- T result = graph.getPossibleRelatedValue(resource, relation, binding);\r
- if(result != null) return result;\r
- else {\r
- \r
- Layer0X L0X = Layer0X.getInstance(graph);\r
- ArrayList<OrderedResource> order = new ArrayList<OrderedResource>();\r
- for(Statement stm : graph.getStatements(resource, L0X.ObtainsProperty)) {\r
- Integer position = graph.getRelatedValue(stm.getPredicate(), L0X.NaturalNumberOrderRelation, Bindings.INTEGER);\r
- order.add(new OrderedResource(position, stm.getObject()));\r
- }\r
- Collections.sort(order);\r
- for(OrderedResource or : order) {\r
- result = getPossibleRelatedValue(graph, or.r, relation, binding);\r
- if(result != null) return result;\r
- }\r
- \r
- return null;\r
- \r
- }\r
- \r
- }\r
-\r
- public static <T> T getPossibleRelatedAdapter(ReadGraph graph, Resource resource, Resource relation, Class<T> clazz) throws DatabaseException {\r
-\r
- T result = graph.getPossibleRelatedAdapter(resource, relation, clazz);\r
- if(result != null) return result;\r
- else {\r
- \r
- Layer0X L0X = Layer0X.getInstance(graph);\r
- ArrayList<OrderedResource> order = new ArrayList<OrderedResource>();\r
- for(Statement stm : graph.getStatements(resource, L0X.ObtainsProperty)) {\r
- Integer position = graph.getRelatedValue(stm.getPredicate(), L0X.NaturalNumberOrderRelation, Bindings.INTEGER);\r
- order.add(new OrderedResource(position, stm.getObject()));\r
- }\r
- Collections.sort(order);\r
- for(OrderedResource or : order) {\r
- result = getPossibleRelatedAdapter(graph, or.r, relation, clazz);\r
- if(result != null) return result;\r
- }\r
- \r
- return null;\r
- \r
- }\r
- \r
- }\r
-\r
-}\r
+package org.simantics.db.layer0.property;
+
+import java.util.ArrayList;
+import java.util.Collections;
+
+import org.simantics.databoard.Bindings;
+import org.simantics.databoard.binding.Binding;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.Statement;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.operation.Layer0X;
+
+/**
+ * @author Antti Villberg
+ * TODO: consider removing since this doesn't seem to be used.
+ */
+public class Properties {
+
+ public static <T> T getPossibleRelatedValue(ReadGraph graph, Resource resource, Resource relation, Binding binding) throws DatabaseException {
+
+ T result = graph.getPossibleRelatedValue(resource, relation, binding);
+ if(result != null) return result;
+ else {
+
+ Layer0X L0X = Layer0X.getInstance(graph);
+ ArrayList<OrderedResource> order = new ArrayList<OrderedResource>();
+ for(Statement stm : graph.getStatements(resource, L0X.ObtainsProperty)) {
+ Integer position = graph.getRelatedValue(stm.getPredicate(), L0X.NaturalNumberOrderRelation, Bindings.INTEGER);
+ order.add(new OrderedResource(position, stm.getObject()));
+ }
+ Collections.sort(order);
+ for(OrderedResource or : order) {
+ result = getPossibleRelatedValue(graph, or.r, relation, binding);
+ if(result != null) return result;
+ }
+
+ return null;
+
+ }
+
+ }
+
+ public static <T> T getPossibleRelatedAdapter(ReadGraph graph, Resource resource, Resource relation, Class<T> clazz) throws DatabaseException {
+
+ T result = graph.getPossibleRelatedAdapter(resource, relation, clazz);
+ if(result != null) return result;
+ else {
+
+ Layer0X L0X = Layer0X.getInstance(graph);
+ ArrayList<OrderedResource> order = new ArrayList<OrderedResource>();
+ for(Statement stm : graph.getStatements(resource, L0X.ObtainsProperty)) {
+ Integer position = graph.getRelatedValue(stm.getPredicate(), L0X.NaturalNumberOrderRelation, Bindings.INTEGER);
+ order.add(new OrderedResource(position, stm.getObject()));
+ }
+ Collections.sort(order);
+ for(OrderedResource or : order) {
+ result = getPossibleRelatedAdapter(graph, or.r, relation, clazz);
+ if(result != null) return result;
+ }
+
+ return null;
+
+ }
+
+ }
+
+}