Migrated source code from Simantics SVN

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

diff --git a/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/util/VariableRepresentation.java b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/util/VariableRepresentation.java
new file mode 100644 (file)
index 0000000..057ea9a
--- /dev/null
+++ b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/util/VariableRepresentation.java
@@ -0,0 +1,38 @@
+package org.simantics.db.layer0.util;\r
+\r
+import java.util.Map;\r
+\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.RequestProcessor;\r
+import org.simantics.db.common.request.UniqueRead;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.layer0.util.SimanticsClipboard.Representation;\r
+import org.simantics.db.layer0.variable.Variable;\r
+import org.simantics.db.layer0.variable.Variables;\r
+import org.simantics.utils.datastructures.hints.IHintContext.Key;\r
+\r
+class VariableRepresentation implements Representation {\r
+\r
+       private String URI;\r
+       \r
+       public VariableRepresentation(String URI) {\r
+               this.URI = URI;\r
+       }\r
+\r
+       @Override\r
+       public Key getKey() {\r
+               return SimanticsKeys.KEY_VARIABLE;\r
+       }\r
+       \r
+       @SuppressWarnings("unchecked")\r
+       @Override\r
+       public <T> T getValue(RequestProcessor processor, Map<String,Object> hints) throws DatabaseException {\r
+               return (T)processor.syncRequest(new UniqueRead<Variable>() {\r
+                       @Override\r
+                       public Variable perform(ReadGraph graph) throws DatabaseException {\r
+                               return Variables.getVariable(graph, URI);\r
+                       }\r
+               });\r
+       }\r
+       \r
+}
\ No newline at end of file