Change getCachedFormulaResultType to return CellType

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1808678 13f79535-47bb-0310-9956-ffa450edef68

12 files changed, 108 insertions, 108 deletions

diff --git a/src/java/org/apache/poi/hssf/usermodel/HSSFCell.java b/src/java/org/apache/poi/hssf/usermodel/HSSFCell.java
index 4d711f0415..b18320c61b 100644
--- a/src/java/org/apache/poi/hssf/usermodel/HSSFCell.java
+++ b/src/java/org/apache/poi/hssf/usermodel/HSSFCell.java
@@ -55,6 +55,7 @@ import org.apache.poi.ss.util.CellReference;
 import org.apache.poi.ss.util.NumberToTextConverter;
 import org.apache.poi.util.Internal;
 import org.apache.poi.util.LocaleUtil;
+import org.apache.poi.util.Removal;
 
 /**
  * High level representation of a cell in a row of a spreadsheet.
@@ -1145,18 +1146,21 @@ public class HSSFCell implements Cell {
 
     /**
      * Only valid for formula cells
-     * 
-     * Will return {@link CellType} in a future version of POI.
-     * For forwards compatibility, do not hard-code cell type literals in your code.
-     * 
      * @return one of ({@link CellType#NUMERIC}, {@link CellType#STRING},
      *     {@link CellType#BOOLEAN}, {@link CellType#ERROR}) depending
      * on the cached value of the formula
-     * @deprecated 3.15. Will return a {@link CellType} enum in the future.
+     *
+     * @since POI 4.0
+     * @return <code>CellType</code> depending
+     * on the cached value of the formula
      */
     @Override
-    public int getCachedFormulaResultType() {
-        return getCachedFormulaResultTypeEnum().getCode();
+    public CellType getCachedFormulaResultType() {
+        if (_cellType != CellType.FORMULA) {
+            throw new IllegalStateException("Only formula cells have cached results");
+        }
+        int code = ((FormulaRecordAggregate)_record).getFormulaRecord().getCachedResultType();
+        return CellType.forInt(code);
     }
 
     /**
@@ -1165,15 +1169,14 @@ public class HSSFCell implements Cell {
      *     {@link CellType#BOOLEAN}, {@link CellType#ERROR}) depending
      * on the cached value of the formula
      * @since POI 3.15 beta 3
+     * @deprecated use <code>getCachedFormulaResultType</code>
      * Will be deleted when we make the CellType enum transition. See bug 59791.
      */
+    @Deprecated
+    @Removal(version="4.2")
     @Override
     public CellType getCachedFormulaResultTypeEnum() {
-        if (_cellType != CellType.FORMULA) {
-            throw new IllegalStateException("Only formula cells have cached results");
-        }
-        int code = ((FormulaRecordAggregate)_record).getFormulaRecord().getCachedResultType();
-        return CellType.forInt(code);
+        return getCachedFormulaResultType();
     }
 
     void setCellArrayFormula(CellRangeAddress range) {
diff --git a/src/java/org/apache/poi/hssf/usermodel/HSSFEvaluationCell.java b/src/java/org/apache/poi/hssf/usermodel/HSSFEvaluationCell.java
index 368b8abdc1..0cb4950300 100644
--- a/src/java/org/apache/poi/hssf/usermodel/HSSFEvaluationCell.java
+++ b/src/java/org/apache/poi/hssf/usermodel/HSSFEvaluationCell.java
@@ -21,6 +21,7 @@ import org.apache.poi.ss.formula.EvaluationCell;
 import org.apache.poi.ss.formula.EvaluationSheet;
 import org.apache.poi.ss.usermodel.CellType;
 import org.apache.poi.ss.util.CellRangeAddress;
+import org.apache.poi.util.Removal;
 
 /**
  * HSSF wrapper for a cell under evaluation
@@ -107,23 +108,21 @@ final class HSSFEvaluationCell implements EvaluationCell {
 	}
 	
 	/**
-	 * Will return {@link CellType} in a future version of POI.
-	 * For forwards compatibility, do not hard-code cell type literals in your code.
-	 *
+	 * @since POI 4.0
 	 * @return cell type of cached formula result
-	 * @deprecated 3.15. Will return a {@link CellType} enum in the future.
 	 */
 	@Override
-	public int getCachedFormulaResultType() {
-		return _cell.getCachedFormulaResultType();
-	}
+	public CellType getCachedFormulaResultType() { return _cell.getCachedFormulaResultType(); }
+
 	/**
 	 * @since POI 3.15 beta 3
 	 * @deprecated POI 3.15 beta 3.
 	 * Will be deleted when we make the CellType enum transition. See bug 59791.
 	 */
+	@Deprecated
+	@Removal(version = "4.2")
 	@Override
 	public CellType getCachedFormulaResultTypeEnum() {
-		return _cell.getCachedFormulaResultTypeEnum();
+		return getCachedFormulaResultType();
 	}
 }
diff --git a/src/java/org/apache/poi/ss/formula/BaseFormulaEvaluator.java b/src/java/org/apache/poi/ss/formula/BaseFormulaEvaluator.java
index cc24a8b1fb..4bf033e366 100644
--- a/src/java/org/apache/poi/ss/formula/BaseFormulaEvaluator.java
+++ b/src/java/org/apache/poi/ss/formula/BaseFormulaEvaluator.java
@@ -27,6 +27,7 @@ import org.apache.poi.ss.usermodel.RichTextString;
 import org.apache.poi.ss.usermodel.Row;
 import org.apache.poi.ss.usermodel.Sheet;
 import org.apache.poi.ss.usermodel.Workbook;
+import org.apache.poi.util.Removal;
 
 /**
  * Common functionality across file formats for evaluating formula cells.<p>
@@ -143,24 +144,33 @@ public abstract class BaseFormulaEvaluator implements FormulaEvaluator, Workbook
     protected abstract CellValue evaluateFormulaCellValue(Cell cell);
 
     /**
-     * If cell contains formula, it evaluates the formula, and saves the result of the formula. The
-     * cell remains as a formula cell. If the cell does not contain formula, this method returns -1
-     * and leaves the cell unchanged.
-     *
-     * Note that the type of the <em>formula result</em> is returned, so you know what kind of
-     * cached formula result is also stored with  the formula.
+     * If cell contains formula, it evaluates the formula,
+     *  and saves the result of the formula. The cell
+     *  remains as a formula cell.
+     * Else if cell does not contain formula, this method leaves
+     *  the cell unchanged.
+     * Note that the type of the formula result is returned,
+     *  so you know what kind of value is also stored with
+     *  the formula.
      * <pre>
-     * int evaluatedCellType = evaluator.evaluateFormulaCell(cell);
+     * CellType evaluatedCellType = evaluator.evaluateFormulaCellEnum(cell);
      * </pre>
-     * Be aware that your cell will hold both the formula, and the result. If you want the cell
-     * replaced with the result of the formula, use {@link #evaluateInCell(org.apache.poi.ss.usermodel.Cell)}
+     * Be aware that your cell will hold both the formula,
+     *  and the result. If you want the cell replaced with
+     *  the result of the formula, use {@link #evaluate(org.apache.poi.ss.usermodel.Cell)} }
      * @param cell The cell to evaluate
-     * @return -1 for non-formula cells, or the type of the <em>formula result</em>
-     * @deprecated 3.15. Will return a {@link CellType} enum in the future.
+     * @return The type of the formula result (the cell's type remains as CellType.FORMULA however)
+     *         If cell is not a formula cell, returns {@link CellType#_NONE} rather than throwing an exception.
      */
     @Override
-    public int evaluateFormulaCell(Cell cell) {
-        return evaluateFormulaCellEnum(cell).getCode();
+    public CellType evaluateFormulaCell(Cell cell) {
+        if (cell == null || cell.getCellTypeEnum() != CellType.FORMULA) {
+            return CellType._NONE;
+        }
+        CellValue cv = evaluateFormulaCellValue(cell);
+        // cell remains a formula cell, but the cached value is changed
+        setCellValue(cell, cv);
+        return cv.getCellTypeEnum();
     }
     
     /**
@@ -182,16 +192,13 @@ public abstract class BaseFormulaEvaluator implements FormulaEvaluator, Workbook
      * @return The type of the formula result (the cell's type remains as CellType.FORMULA however)
      *         If cell is not a formula cell, returns {@link CellType#_NONE} rather than throwing an exception.
      * @since POI 3.15 beta 3
+     * @deprecated use <code>evaluateFormulaCell(cell)</code> instead
      */
+    @Deprecated
+    @Removal(version = "4.2")
     @Override
     public CellType evaluateFormulaCellEnum(Cell cell) {
-        if (cell == null || cell.getCellTypeEnum() != CellType.FORMULA) {
-            return CellType._NONE;
-        }
-        CellValue cv = evaluateFormulaCellValue(cell);
-        // cell remains a formula cell, but the cached value is changed
-        setCellValue(cell, cv);
-        return cv.getCellTypeEnum();
+        return evaluateFormulaCell(cell);
     }
 
     protected static void setCellType(Cell cell, CellValue cv) {
diff --git a/src/java/org/apache/poi/ss/formula/EvaluationCell.java b/src/java/org/apache/poi/ss/formula/EvaluationCell.java
index 1007cb0c44..3541501496 100644
--- a/src/java/org/apache/poi/ss/formula/EvaluationCell.java
+++ b/src/java/org/apache/poi/ss/formula/EvaluationCell.java
@@ -19,6 +19,7 @@ package org.apache.poi.ss.formula;
 
 import org.apache.poi.ss.usermodel.CellType;
 import org.apache.poi.ss.util.CellRangeAddress;
+import org.apache.poi.util.Removal;
 
 /**
  * Abstracts a cell for the purpose of formula evaluation.  This interface represents both formula
@@ -61,17 +62,15 @@ public interface EvaluationCell {
 	boolean isPartOfArrayFormulaGroup();
 
 	/**
-	 * Will return {@link CellType} in a future version of POI.
-	 * For forwards compatibility, do not hard-code cell type literals in your code.
-	 *
 	 * @return cell type of cached formula result
-	 * @deprecated 3.15. Will return a {@link CellType} enum in the future.
 	 */
-	int getCachedFormulaResultType();
+	CellType getCachedFormulaResultType();
 	/**
 	 * @since POI 3.15 beta 3
 	 * @deprecated POI 3.15 beta 3.
 	 * Will be deleted when we make the CellType enum transition. See bug 59791.
 	 */
+	@Deprecated
+	@Removal(version = "4.2")
 	CellType getCachedFormulaResultTypeEnum();
 }
diff --git a/src/java/org/apache/poi/ss/formula/eval/forked/ForkedEvaluationCell.java b/src/java/org/apache/poi/ss/formula/eval/forked/ForkedEvaluationCell.java
index 3418e595b0..2d0c55fce8 100644
--- a/src/java/org/apache/poi/ss/formula/eval/forked/ForkedEvaluationCell.java
+++ b/src/java/org/apache/poi/ss/formula/eval/forked/ForkedEvaluationCell.java
@@ -28,6 +28,7 @@ import org.apache.poi.ss.formula.eval.ValueEval;
 import org.apache.poi.ss.usermodel.Cell;
 import org.apache.poi.ss.usermodel.CellType;
 import org.apache.poi.ss.util.CellRangeAddress;
+import org.apache.poi.util.Removal;
 
 
 /**
@@ -167,24 +168,23 @@ final class ForkedEvaluationCell implements EvaluationCell {
 		return _masterCell.isPartOfArrayFormulaGroup();
 	}
 	/**
-	 * Will return {@link CellType} in a future version of POI.
-	 * For forwards compatibility, do not hard-code cell type literals in your code.
-	 *
 	 * @return cell type of cached formula result
-	 * @deprecated 3.15. Will return a {@link CellType} enum in the future.
 	 */
 	@Override
-	public int getCachedFormulaResultType() {
+	public CellType getCachedFormulaResultType() {
 		return _masterCell.getCachedFormulaResultType();
 	}
+
 	/**
 	 * @since POI 3.15 beta 3
 	 * @deprecated POI 3.15 beta 3.
 	 * Will be deleted when we make the CellType enum transition. See bug 59791.
 	 */
+	@Deprecated
+	@Removal(version = "4.2")
 	@Override
 	public CellType getCachedFormulaResultTypeEnum() {
-		return _masterCell.getCachedFormulaResultTypeEnum();
+		return getCachedFormulaResultType();
 	}
 
 }
diff --git a/src/java/org/apache/poi/ss/usermodel/Cell.java b/src/java/org/apache/poi/ss/usermodel/Cell.java
index 7b1637eeb5..ab8b48cf77 100644
--- a/src/java/org/apache/poi/ss/usermodel/Cell.java
+++ b/src/java/org/apache/poi/ss/usermodel/Cell.java
@@ -198,10 +198,8 @@ public interface Cell {
      * @return one of ({@link CellType#NUMERIC}, {@link CellType#STRING},
      *     {@link CellType#BOOLEAN}, {@link CellType#ERROR}) depending
      * on the cached value of the formula
-     * @deprecated 3.15. Will return a {@link CellType} enum in the future.
      */
-    @Deprecated
-    int getCachedFormulaResultType();
+    CellType getCachedFormulaResultType();
 
     /**
      * Only valid for formula cells
@@ -211,6 +209,8 @@ public interface Cell {
      * @since POI 3.15 beta 3
      * Will be renamed to <code>getCachedFormulaResultType()</code> when we make the CellType enum transition in POI 4.0. See bug 59791.
      */
+    @Deprecated
+    @Removal(version = "4.2")
     CellType getCachedFormulaResultTypeEnum();
 
     /**
diff --git a/src/java/org/apache/poi/ss/usermodel/FormulaEvaluator.java b/src/java/org/apache/poi/ss/usermodel/FormulaEvaluator.java
index 81e72c91d5..4d8a440222 100644
--- a/src/java/org/apache/poi/ss/usermodel/FormulaEvaluator.java
+++ b/src/java/org/apache/poi/ss/usermodel/FormulaEvaluator.java
@@ -17,6 +17,8 @@
 
 package org.apache.poi.ss.usermodel;
 
+import org.apache.poi.util.Removal;
+
 import java.util.Map;
 
 /**
@@ -99,9 +101,8 @@ public interface FormulaEvaluator {
      *      or one of {@link CellType#NUMERIC}, {@link CellType#STRING},
      *      {@link CellType#BOOLEAN}, {@link CellType#ERROR}
      *      Note: the cell's type remains as CellType.FORMULA however.
-     * @deprecated 3.15. Will return a {@link CellType} enum in the future
      */
-    int evaluateFormulaCell(Cell cell);
+    CellType evaluateFormulaCell(Cell cell);
     
     /**
      * If cell contains formula, it evaluates the formula,
@@ -123,7 +124,10 @@ public interface FormulaEvaluator {
      *      or one of {@link CellType#NUMERIC}, {@link CellType#STRING},
      *      {@link CellType#BOOLEAN}, {@link CellType#ERROR}
      *      Note: the cell's type remains as CellType.FORMULA however.
+     * @deprecated use <code>evaluateFormulaCell(cell)</code>
      */
+    @Deprecated
+    @Removal(version = "4.2")
     CellType evaluateFormulaCellEnum(Cell cell);
 
     /**
diff --git a/src/java/org/apache/poi/ss/util/SheetUtil.java b/src/java/org/apache/poi/ss/util/SheetUtil.java
index 28e8b41479..075420478e 100644
--- a/src/java/org/apache/poi/ss/util/SheetUtil.java
+++ b/src/java/org/apache/poi/ss/util/SheetUtil.java
@@ -38,6 +38,7 @@ import org.apache.poi.ss.usermodel.Row;
 import org.apache.poi.ss.usermodel.Sheet;
 import org.apache.poi.ss.usermodel.Workbook;
 import org.apache.poi.util.Internal;
+import org.apache.poi.util.Removal;
 
 
 /**
@@ -90,19 +91,16 @@ public class SheetUtil {
         @Override
         public void evaluateAll() {}
         @Override
-        public int evaluateFormulaCell(Cell cell) {
-            //noinspection deprecation
-            return cell.getCachedFormulaResultType();
-        }
-        /** 
+        public CellType evaluateFormulaCell(Cell cell) { return cell.getCachedFormulaResultType(); }
+        /**
          * @since POI 3.15 beta 3
          * @deprecated POI 3.15 beta 3. Will be deleted when we make the CellType enum transition. See bug 59791.
          */
+        @Deprecated
+        @Removal(version = "4.2")
         @Internal(since="POI 3.15 beta 3")
         @Override
-        public CellType evaluateFormulaCellEnum(Cell cell) {
-            return cell.getCachedFormulaResultTypeEnum();
-        }
+        public CellType evaluateFormulaCellEnum(Cell cell) { return evaluateFormulaCell(cell); }
     };
 
     /**
diff --git a/src/ooxml/java/org/apache/poi/xssf/streaming/SXSSFCell.java b/src/ooxml/java/org/apache/poi/xssf/streaming/SXSSFCell.java
index 0d651ad9c5..2c32a145aa 100644
--- a/src/ooxml/java/org/apache/poi/xssf/streaming/SXSSFCell.java
+++ b/src/ooxml/java/org/apache/poi/xssf/streaming/SXSSFCell.java
@@ -38,10 +38,7 @@ import org.apache.poi.ss.usermodel.Row;
 import org.apache.poi.ss.util.CellAddress;
 import org.apache.poi.ss.util.CellRangeAddress;
 import org.apache.poi.ss.util.CellReference;
-import org.apache.poi.util.LocaleUtil;
-import org.apache.poi.util.NotImplemented;
-import org.apache.poi.util.POILogFactory;
-import org.apache.poi.util.POILogger;
+import org.apache.poi.util.*;
 import org.apache.poi.xssf.usermodel.XSSFHyperlink;
 import org.apache.poi.xssf.usermodel.XSSFRichTextString;
 
@@ -175,12 +172,14 @@ public class SXSSFCell implements Cell {
      * @return one of ({@link CellType#NUMERIC}, {@link CellType#STRING},
      *     {@link CellType#BOOLEAN}, {@link CellType#ERROR}) depending
      * on the cached value of the formula
-     * @deprecated 3.15. Will return a {@link CellType} enum in the future.
      */
     @Override
-    public int getCachedFormulaResultType()
-    {
-        return getCachedFormulaResultTypeEnum().getCode();
+    public CellType getCachedFormulaResultType() {
+        if (_value.getType() != CellType.FORMULA) {
+            throw new IllegalStateException("Only formula cells have cached results");
+        }
+
+        return ((FormulaValue)_value).getFormulaType();
     }
 
     /**
@@ -189,16 +188,13 @@ public class SXSSFCell implements Cell {
      *     {@link CellType#BOOLEAN}, {@link CellType#ERROR}) depending
      * on the cached value of the formula
      * @since POI 3.15 beta 3
-     * Will be deleted when we make the CellType enum transition. See bug 59791.
+     * @deprecated use <code>getCachedFormulaResultTypeEnum</code> instead
      */
+    @Deprecated
+    @Removal(version = "4.2")
     @Override
-    public CellType getCachedFormulaResultTypeEnum()
-    {
-        if (_value.getType() != CellType.FORMULA) {
-            throw new IllegalStateException("Only formula cells have cached results");
-        }
-
-        return ((FormulaValue)_value).getFormulaType();
+    public CellType getCachedFormulaResultTypeEnum() {
+        return getCachedFormulaResultType();
     }
 
     /**
diff --git a/src/ooxml/java/org/apache/poi/xssf/streaming/SXSSFEvaluationCell.java b/src/ooxml/java/org/apache/poi/xssf/streaming/SXSSFEvaluationCell.java
index 6fb455554e..21cfb3fe0d 100644
--- a/src/ooxml/java/org/apache/poi/xssf/streaming/SXSSFEvaluationCell.java
+++ b/src/ooxml/java/org/apache/poi/xssf/streaming/SXSSFEvaluationCell.java
@@ -22,6 +22,7 @@ import org.apache.poi.ss.formula.EvaluationSheet;
 import org.apache.poi.ss.usermodel.CellType;
 import org.apache.poi.ss.util.CellRangeAddress;
 import org.apache.poi.util.Internal;
+import org.apache.poi.util.Removal;
 
 /**
  * SXSSF wrapper for a cell under evaluation
@@ -110,24 +111,22 @@ final class SXSSFEvaluationCell implements EvaluationCell {
 	}
 	
     /**
-     * Will return {@link CellType} in a future version of POI.
-     * For forwards compatibility, do not hard-code cell type literals in your code.
-     *
      * @return cell type of cached formula result
-     * @deprecated 3.17. Will return a {@link CellType} enum in the future.
      */
     @Override
-    public int getCachedFormulaResultType() {
-        return _cell.getCachedFormulaResultType();
+    public CellType getCachedFormulaResultType() {
+        return _cell.getCachedFormulaResultTypeEnum();
     }
     /**
      * @since POI 3.15 beta 3
      * @deprecated POI 3.15 beta 3.
      * Will be deleted when we make the CellType enum transition. See bug 59791.
      */
+    @Deprecated
+    @Removal(version = "4.2")
     @Internal(since="POI 3.15 beta 3")
     @Override
     public CellType getCachedFormulaResultTypeEnum() {
-        return _cell.getCachedFormulaResultTypeEnum();
+        return getCachedFormulaResultType();
     }
 }
diff --git a/src/ooxml/java/org/apache/poi/xssf/usermodel/XSSFCell.java b/src/ooxml/java/org/apache/poi/xssf/usermodel/XSSFCell.java
index 067936069a..ffa05313d1 100644
--- a/src/ooxml/java/org/apache/poi/xssf/usermodel/XSSFCell.java
+++ b/src/ooxml/java/org/apache/poi/xssf/usermodel/XSSFCell.java
@@ -714,20 +714,17 @@ public final class XSSFCell implements Cell {
 
     /**
      * Only valid for formula cells
-     * 
-     * Will return {@link CellType} in a future version of POI.
-     * For forwards compatibility, do not hard-code cell type literals in your code.
-     * 
      * @return one of ({@link CellType#NUMERIC}, {@link CellType#STRING},
      *     {@link CellType#BOOLEAN}, {@link CellType#ERROR}) depending
      * on the cached value of the formula
-     * @deprecated 3.15. Will return a {@link CellType} enum in the future.
      */
-    @Deprecated
     @Override
-    @Removal(version="3.17")
-    public int getCachedFormulaResultType() {
-        return getCachedFormulaResultTypeEnum().getCode();
+    public CellType getCachedFormulaResultType() {
+        if (! isFormulaCell()) {
+            throw new IllegalStateException("Only formula cells have cached results");
+        }
+
+        return getBaseCellType(false);
     }
     
     /**
@@ -736,15 +733,14 @@ public final class XSSFCell implements Cell {
      *     {@link CellType#BOOLEAN}, {@link CellType#ERROR}) depending
      * on the cached value of the formula
      * @since POI 3.15 beta 3
+     * @deprecated use <code>getCachedFormulaResultType</code> instead
      * Will be deleted when we make the CellType enum transition. See bug 59791.
      */
+    @Deprecated
+    @Removal(version = "4.2")
     @Override
     public CellType getCachedFormulaResultTypeEnum() {
-        if (! isFormulaCell()) {
-            throw new IllegalStateException("Only formula cells have cached results");
-        }
-
-        return getBaseCellType(false);
+        return getCachedFormulaResultType();
     }
 
     /**
diff --git a/src/ooxml/java/org/apache/poi/xssf/usermodel/XSSFEvaluationCell.java b/src/ooxml/java/org/apache/poi/xssf/usermodel/XSSFEvaluationCell.java
index 3d75713c8d..c41593d637 100644
--- a/src/ooxml/java/org/apache/poi/xssf/usermodel/XSSFEvaluationCell.java
+++ b/src/ooxml/java/org/apache/poi/xssf/usermodel/XSSFEvaluationCell.java
@@ -22,6 +22,7 @@ import org.apache.poi.ss.formula.EvaluationSheet;
 import org.apache.poi.ss.usermodel.CellType;
 import org.apache.poi.ss.util.CellRangeAddress;
 import org.apache.poi.util.Internal;
+import org.apache.poi.util.Removal;
 
 /**
  * XSSF wrapper for a cell under evaluation
@@ -110,24 +111,22 @@ final class XSSFEvaluationCell implements EvaluationCell {
 	}
 	
 	/**
-	 * Will return {@link CellType} in a future version of POI.
-	 * For forwards compatibility, do not hard-code cell type literals in your code.
-	 *
 	 * @return cell type of cached formula result
-	 * @deprecated 3.17. Will return a {@link CellType} enum in the future.
 	 */
 	@Override
-	public int getCachedFormulaResultType() {
-		return _cell.getCachedFormulaResultType();
+	public CellType getCachedFormulaResultType() {
+		return _cell.getCachedFormulaResultTypeEnum();
 	}
 	/**
 	 * @since POI 3.15 beta 3
 	 * @deprecated POI 3.15 beta 3.
 	 * Will be deleted when we make the CellType enum transition. See bug 59791.
 	 */
+	@Deprecated
+    @Removal(version = "4.2")
 	@Internal(since="POI 3.15 beta 3")
 	@Override
 	public CellType getCachedFormulaResultTypeEnum() {
-		return _cell.getCachedFormulaResultTypeEnum();
+		return getCachedFormulaResultType();
 	}
 }