no need to use maxColCount and colNumber when storing row results

git-svn-id: https://svn.code.sf.net/p/jackcess/code/jackcess/trunk@278 f203690c-595d-4dc9-a70b-905162fa7fd2

src/java/com/healthmarketscience/jackcess/Cursor.java

@@ -1200,7 +1200,7 @@ public abstract class Cursor implements Iterable<Map<String, Object>>
           new LinkedHashMap<String,Object>();
         for(Index.ColumnDescriptor idxCol : index.getColumns()) {
           indexRowPattern.put(idxCol.getName(),
-                              rowValues[idxCol.getColumnNumber()]);
+                              rowValues[idxCol.getColumnIndex()]);
         }
       }
       

src/java/com/healthmarketscience/jackcess/Index.java

@@ -757,9 +757,9 @@ public class Index implements Comparable<Index> {
           ", expected " + _columns.size());
     }
     int valIdx = 0;
-    Object[] idxRow = new Object[getTable().getMaxColumnCount()];
+    Object[] idxRow = new Object[getTable().getColumnCount()];
     for(ColumnDescriptor col : _columns) {
-      idxRow[col.getColumnNumber()] = values[valIdx++];
+      idxRow[col.getColumnIndex()] = values[valIdx++];
     }
     return idxRow;
   }
@@ -789,9 +789,9 @@ public class Index implements Comparable<Index> {
       }
     }
 
-    Object[] idxRow = new Object[getTable().getMaxColumnCount()];
+    Object[] idxRow = new Object[getTable().getColumnCount()];
     for(ColumnDescriptor col : _columns) {
-      idxRow[col.getColumnNumber()] = row.get(col.getName());
+      idxRow[col.getColumnIndex()] = row.get(col.getName());
     }
     return idxRow;
   }  
@@ -833,11 +833,9 @@ public class Index implements Comparable<Index> {
     // annoyingly, the values array could come from different sources, one
     // of which will make it a different size than the other.  we need to
     // handle both situations.
-    boolean useColNumber = (values.length >= _table.getMaxColumnCount());
     int nullCount = 0;
     for(ColumnDescriptor col : _columns) {
-      Object value = values[
-          useColNumber ? col.getColumnNumber() : col.getColumnIndex()];
+      Object value = values[col.getColumnIndex()];
       if(col.isNullValue(value)) {
         ++nullCount;
       }
@@ -860,10 +858,8 @@ public class Index implements Comparable<Index> {
     // annoyingly, the values array could come from different sources, one
     // of which will make it a different size than the other.  we need to
     // handle both situations.
-    boolean useColNumber = (values.length >= _table.getMaxColumnCount());
     for(ColumnDescriptor col : _columns) {
-      Object value = values[
-          useColNumber ? col.getColumnNumber() : col.getColumnIndex()];
+      Object value = values[col.getColumnIndex()];
       col.writeValue(value, bout);
     }
     
@@ -1121,10 +1117,6 @@ public class Index implements Comparable<Index> {
       return((getFlags() & ASCENDING_COLUMN_FLAG) != 0);
     }
     
-    public int getColumnNumber() {
-      return getColumn().getColumnNumber();
-    }
-    
     public int getColumnIndex() {
       return getColumn().getColumnIndex();
     }

src/java/com/healthmarketscience/jackcess/NullMask.java

@@ -60,14 +60,15 @@ public class NullMask {
   public ByteBuffer wrap() {
     return ByteBuffer.wrap(_mask);
   }
-  
+
   /**
-   * @param columnNumber 0-based column number in this mask's row
+   * @param column column to test for {@code null}
    * @return Whether or not the value for that column is null.  For boolean
    *    columns, returns the actual value of the column (where
    *    non-{@code null} == {@code true})
    */
-  public boolean isNull(int columnNumber) {
+  public boolean isNull(Column column) {
+    int columnNumber = column.getColumnNumber();
     int maskIndex = columnNumber / 8;
     // if new columns were added to the table, old null masks may not include
     // them (meaning the field is null)
@@ -81,9 +82,10 @@ public class NullMask {
   /**
    * Indicate that the column with the given number is not {@code null} (or a
    * boolean value is {@code true}).
-   * @param columnNumber 0-based column number in this mask's row
+   * @param column column to be marked non-{@code null}
    */
-  public void markNotNull(int columnNumber) {
+  public void markNotNull(Column column) {
+    int columnNumber = column.getColumnNumber();
     int maskIndex = columnNumber / 8;
     _mask[maskIndex] = (byte) (_mask[maskIndex] | (byte) (1 << (columnNumber % 8)));
   }

src/java/com/healthmarketscience/jackcess/Table.java

@@ -359,7 +359,7 @@ public class Table
     // deletion.  note, most of the returned values are immutable, except
     // for binary data (returned as byte[]), but binary data shouldn't be
     // indexed anyway.
-    rowState.setRowValue(column.getColumnNumber(), value);
+    rowState.setRowValue(column.getColumnIndex(), value);
 
     return value;
   }
@@ -407,7 +407,7 @@ public class Table
         // deletion.  note, most of the returned values are immutable, except
         // for binary data (returned as byte[]), but binary data shouldn't be
         // indexed anyway.
-        rowState.setRowValue(column.getColumnNumber(), value);
+        rowState.setRowValue(column.getColumnIndex(), value);
       }
     }
     return rtn;
@@ -421,7 +421,7 @@ public class Table
                                      Column column)
     throws IOException
   {
-    boolean isNull = nullMask.isNull(column.getColumnNumber());
+    boolean isNull = nullMask.isNull(column);
     if(column.getType() == DataType.BOOLEAN) {
       return Boolean.valueOf(!isNull);  //Boolean values are stored in the null mask
     } else if(isNull) {
@@ -1244,7 +1244,7 @@ public class Table
         
           if(Column.toBooleanValue(rowValue)) {
             //Booleans are stored in the null mask
-            nullMask.markNotNull(col.getColumnNumber());
+            nullMask.markNotNull(col);
           }
         
         } else {
@@ -1257,7 +1257,7 @@ public class Table
           if(rowValue != null) {
         
             // we have a value
-            nullMask.markNotNull(col.getColumnNumber());
+            nullMask.markNotNull(col);
 
             //remainingRowLength is ignored when writing fixed length data
             buffer.position(fixedDataStart + col.getFixedDataOffset());
@@ -1292,7 +1292,7 @@ public class Table
         Object rowValue = row.get(varCol.getColumnIndex());
         if (rowValue != null) {
           // we have a value
-          nullMask.markNotNull(varCol.getColumnNumber());
+          nullMask.markNotNull(varCol);
 
           ByteBuffer varDataBuf = varCol.write(rowValue, maxRowSize);
           maxRowSize -= varDataBuf.remaining();
@@ -1582,7 +1582,7 @@ public class Table
     
     private RowState(boolean hardRowBuffer) {
       _headerRowBufferH = TempPageHolder.newHolder(hardRowBuffer);
-      _rowValues = new Object[Table.this.getMaxColumnCount()];
+      _rowValues = new Object[Table.this.getColumnCount()];
       _lastModCount = Table.this._modCount;
     }