Author: amol
Date: Sat Nov 25 22:15:17 2006
New Revision: 479294
URL: http://svn.apache.org/viewvc?view=rev&rev=479294
Log:
superclass for logical functions
Added:
jakarta/poi/trunk/src/scratchpad/src/org/apache/poi/hssf/record/formula/functions/LogicalFunction.java
Added:
jakarta/poi/trunk/src/scratchpad/src/org/apache/poi/hssf/record/formula/functions/LogicalFunction.java
URL:
http://svn.apache.org/viewvc/jakarta/poi/trunk/src/scratchpad/src/org/apache/poi/hssf/record/formula/functions/LogicalFunction.java?view=auto&rev=479294
==============================================================================
---
jakarta/poi/trunk/src/scratchpad/src/org/apache/poi/hssf/record/formula/functions/LogicalFunction.java
(added)
+++
jakarta/poi/trunk/src/scratchpad/src/org/apache/poi/hssf/record/formula/functions/LogicalFunction.java
Sat Nov 25 22:15:17 2006
@@ -0,0 +1,31 @@
+/*
+ * Created on Nov 25, 2006
+ *
+ */
+package org.apache.poi.hssf.record.formula.functions;
+
+import org.apache.poi.hssf.record.formula.eval.RefEval;
+import org.apache.poi.hssf.record.formula.eval.ValueEval;
+
+/**
+ * @author Amol S. Deshmukh < amolweb at ya hoo dot com >
+ *
+ */
+public abstract class LogicalFunction implements Function {
+
+ /**
+ * recursively evaluate any RefEvals
+ * @param reval
+ * @return
+ */
+ protected ValueEval xlateRefEval(RefEval reval) {
+ ValueEval retval = (ValueEval) reval.getInnerValueEval();
+
+ if (retval instanceof RefEval) {
+ RefEval re = (RefEval) retval;
+ retval = xlateRefEval(re);
+ }
+
+ return retval;
+ }
+}
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