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superclass for logical functions

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git-svn-id: https://svn.apache.org/repos/asf/jakarta/poi/trunk@479294 13f79535-47bb-0310-9956-ffa450edef68
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Amol S. Deshmukh 2006-11-26 06:15:17 +00:00
parent ae6f6b3d1a
commit b6d7c5ec34
1 changed files with 31 additions and 0 deletions
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src/scratchpad/src/org/apache/poi/hssf/record/formula/functions/LogicalFunction.java Normal file
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/*
* 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;
}
}