X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.db.layer0%2Fsrc%2Forg%2Fsimantics%2Fdb%2Flayer0%2Futil%2FVariableRepresentation.java;fp=bundles%2Forg.simantics.db.layer0%2Fsrc%2Forg%2Fsimantics%2Fdb%2Flayer0%2Futil%2FVariableRepresentation.java;h=057ea9a9a310b552761c232d9f252d3c31fd9c93;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

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
index 000000000..057ea9a9a
--- /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;
+
+import java.util.Map;
+
+import org.simantics.db.ReadGraph;
+import org.simantics.db.RequestProcessor;
+import org.simantics.db.common.request.UniqueRead;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.layer0.util.SimanticsClipboard.Representation;
+import org.simantics.db.layer0.variable.Variable;
+import org.simantics.db.layer0.variable.Variables;
+import org.simantics.utils.datastructures.hints.IHintContext.Key;
+
+class VariableRepresentation implements Representation {
+
+	private String URI;
+	
+	public VariableRepresentation(String URI) {
+		this.URI = URI;
+	}
+
+	@Override
+	public Key getKey() {
+		return SimanticsKeys.KEY_VARIABLE;
+	}
+	
+	@SuppressWarnings("unchecked")
+	@Override
+	public <T> T getValue(RequestProcessor processor, Map<String,Object> hints) throws DatabaseException {
+		return (T)processor.syncRequest(new UniqueRead<Variable>() {
+			@Override
+			public Variable perform(ReadGraph graph) throws DatabaseException {
+				return Variables.getVariable(graph, URI);
+			}
+		});
+	}
+	
+}
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