X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.spreadsheet%2Fsrc%2Forg%2Fsimantics%2Fspreadsheet%2Fsolver%2FExternalRefConstant.java;fp=bundles%2Forg.simantics.spreadsheet%2Fsrc%2Forg%2Fsimantics%2Fspreadsheet%2Fsolver%2FExternalRefConstant.java;h=27932695317c0ce51208c0848d506cfc59607caf;hb=e5871be84f8ba53a1c80be728bcfb67231c29279;hp=0000000000000000000000000000000000000000;hpb=fb89ec6bace6b3eef93a4c437171bb173fc861b6;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.spreadsheet/src/org/simantics/spreadsheet/solver/ExternalRefConstant.java b/bundles/org.simantics.spreadsheet/src/org/simantics/spreadsheet/solver/ExternalRefConstant.java
new file mode 100644
index 000000000..279326953
--- /dev/null
+++ b/bundles/org.simantics.spreadsheet/src/org/simantics/spreadsheet/solver/ExternalRefConstant.java
@@ -0,0 +1,24 @@
+package org.simantics.spreadsheet.solver;
+
+import org.simantics.databoard.binding.mutable.Variant;
+import org.simantics.spreadsheet.ExternalRef;
+
+public class ExternalRefConstant implements ExternalRef {
+
+    final private Variant constant;
+    
+    public ExternalRefConstant(Variant constant) {
+        this.constant = constant;
+    }
+    
+    @Override
+    public void listen(Object context, ExternalRefListener listener) {
+        listener.newValue(constant);
+    }
+    
+    @Override
+    public void modify(Object context, Variant newValue) {
+    }
+    
+}
+