Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.db.layer0 / src / org / simantics / db / layer0 / util / ResourceTGValueModifier.java

diff --git a/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/util/ResourceTGValueModifier.java b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/util/ResourceTGValueModifier.java
new file mode 100644 (file)
index 0000000..89fd986
--- /dev/null
+++ b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/util/ResourceTGValueModifier.java
@@ -0,0 +1,53 @@
+package org.simantics.db.layer0.util;\r
+\r
+import org.simantics.databoard.accessor.error.AccessorException;\r
+import org.simantics.databoard.binding.Binding;\r
+import org.simantics.databoard.type.Datatype;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.service.SerialisationSupport;\r
+import org.simantics.graph.utils.TGResourceUtil;\r
+import org.simantics.graph.utils.TGResourceUtil.LongAdapter;\r
+\r
+public class ResourceTGValueModifier implements TGValueModifier {\r
+\r
+       final private TGResourceUtil util = new TGResourceUtil();\r
+       final private SerialisationSupport ss;\r
+       \r
+       public ResourceTGValueModifier(SerialisationSupport ss) {\r
+               this.ss = ss;\r
+       }\r
+       \r
+       @Override\r
+       public boolean mayNeedModification(Datatype type) {\r
+               return util.mayHaveResource(type);\r
+       }\r
+\r
+       @Override\r
+       public Object modify(final DomainProcessorState state, Binding binding, Object value) throws DatabaseException {\r
+               \r
+               try {\r
+                       \r
+                       util.adaptValue( binding, value, new LongAdapter() {\r
+                               @Override\r
+                               public long adapt(long in) {\r
+                                       try {\r
+                                               int shortId = ss.getTransientId(in);\r
+                                               return state.ids.get(shortId);\r
+                                       } catch (DatabaseException e) {\r
+                                               e.printStackTrace();\r
+                                       }\r
+                                       return in;\r
+                               }                       \r
+                       });\r
+                       \r
+                       return value;\r
+                       \r
+               } catch (AccessorException e) {\r
+                       \r
+                       throw new DatabaseException(e);\r
+                       \r
+               }\r
+               \r
+       }\r
+\r
+}\r