More constructors. (#126)

Author: mangeshbendre

zpoi/src/org/zkoss/poi/ss/formula/eval/AreaEvalBase.java

@@ -24,17 +24,22 @@ Licensed to the Apache Software Foundation (ASF) under one or more
  */
 public abstract class AreaEvalBase implements AreaEval {
 
-	private final int _firstColumn;
-	private final int _firstRow;
-	private final int _lastColumn;
-	private final int _lastRow;
-	private final int _nColumns;
-	private final int _nRows;
+	private int _firstColumn;
+	private int _firstRow;
+	private int _lastColumn;
+	private int _lastRow;
+	private int _nColumns;
+	private int _nRows;
 
-	private final boolean _firstColRel;
-	private final boolean _lastColRel;
-	private final boolean _firstRowRel;
-	private final boolean _lastRowRel;
+	private boolean _firstColRel;
+	private boolean _lastColRel;
+	private boolean _firstRowRel;
+	private boolean _lastRowRel;
+
+	AreaEvalBase()
+	{
+
+	}
 
 //	protected AreaEvalBase(int firstRow, int firstColumn, int lastRow, int lastColumn) { 
 //		this(firstRow, firstColumn, lastRow, lastColumn, false, false, false, false); 

zpoi/src/org/zkoss/poi/ss/formula/eval/ArrayEval.java

@@ -26,14 +26,19 @@
  */
 public class ArrayEval implements AreaEval {
 
-	private final SheetRefEvaluator _evaluator; //ZSS-962
+	private SheetRefEvaluator _evaluator; //ZSS-962
 
-	private final int _firstRow;
-	private final int _firstCol;
-	private final int _lastRow;
-	private final int _lastCol;
+	private int _firstRow;
+	private int _firstCol;
+	private int _lastRow;
+	private int _lastCol;
 
-	private final ValueEval[][] _values; //[row][col] -> value
+	private ValueEval[][] _values; //[row][col] -> value
+
+	ArrayEval()
+	{
+
+	}
 
 	private ArrayEval(Object[][] srcvalues, int firstRow, int firstColumn, int lastRow, int lastColumn, SheetRefEvaluator evaluator) {
 		_evaluator = evaluator; //ZSS-962

zpoi/src/org/zkoss/poi/ss/formula/eval/BoolEval.java

@@ -31,6 +31,11 @@ public final class BoolEval implements NumericValueEval, StringValueEval, Hyperl
 
 	public static final BoolEval TRUE = new BoolEval(true);
 
+	BoolEval()
+	{
+
+	}
+
 	/**
 	 * Convenience method for the following:<br/>
 	 * <code>(b ? BoolEval.TRUE : BoolEval.FALSE)</code>

zpoi/src/org/zkoss/poi/ss/formula/eval/MultipleEval.java

@@ -10,6 +10,11 @@ public final class MultipleEval implements ValueEval {
     private int _width;
     private int _height;
 
+    MultipleEval()
+    {
+
+    }
+
     public MultipleEval(int width, int height, AreaEval value) {
         _value = value;
         _width = width;

zpoi/src/org/zkoss/poi/ss/formula/eval/NumberEval.java

@@ -34,9 +34,14 @@ public final class NumberEval implements NumericValueEval, StringValueEval, Hype
 
     public static final NumberEval ZERO = new NumberEval(0);
 
-    private final double _value;
+    private double _value;
     private String _stringValue;
 
+    NumberEval()
+    {
+
+    }
+
     public NumberEval(Ptg ptg) {
         if (ptg == null) {
             throw new IllegalArgumentException("ptg must not be null");

zpoi/src/org/zkoss/poi/ss/formula/eval/StringEval.java

@@ -29,7 +29,12 @@ public final class StringEval implements StringValueEval, HyperlinkEval {
 
 	public static final StringEval EMPTY_INSTANCE = new StringEval("");
 
-	private final String _value;
+	private String _value;
+
+	StringEval()
+	{
+
+	}
 
 	public StringEval(Ptg ptg) {
 		this(((StringPtg) ptg).getValue());