public abstract class CalculatorColumnSupplement extends Object implements ColumnSupplement
calculate(java.lang.Object[])
method.Constructor and Description |
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CalculatorColumnSupplement(ColumnSupplement baseSup,
ColumnInfo[] outColInfos)
Constructor.
|
Modifier and Type | Method and Description |
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protected abstract Object[] |
calculate(Object[] inRow)
Performs the calculations which populate the columns of this table.
|
SupplementData |
createSupplementData(RowData rdata)
Returns a new accessor for the values in the columns defined by
this object.
|
Object |
getCell(long irow,
int icol)
Random access read of a cell defined by this object.
|
int |
getColumnCount()
Returns the number of columns defined by this object.
|
ColumnInfo |
getColumnInfo(int icol)
Returns the column metadata object for a given column.
|
static double |
getDouble(Object value)
Utility method to turn an Object into a floating point value.
|
Object[] |
getRow(long irow)
Random access read of a row defined by this object.
|
public CalculatorColumnSupplement(ColumnSupplement baseSup, ColumnInfo[] outColInfos)
baseSup
- base supplementoutColInfos
- column metadata for the supplementary columns
(length defines column count)protected abstract Object[] calculate(Object[] inRow) throws IOException
The implementation must return a new array each time,
not repopulate the same Object[]
array object.
inRow
- input column valuesIOException
public int getColumnCount()
ColumnSupplement
getColumnCount
in interface ColumnSupplement
public ColumnInfo getColumnInfo(int icol)
ColumnSupplement
getColumnInfo
in interface ColumnSupplement
icol
- column index within this objectpublic Object[] getRow(long irow) throws IOException
ColumnSupplement
getRow
in interface ColumnSupplement
irow
- row indexIOException
public Object getCell(long irow, int icol) throws IOException
ColumnSupplement
getCell
in interface ColumnSupplement
irow
- row indexicol
- column indexIOException
public SupplementData createSupplementData(RowData rdata) throws IOException
ColumnSupplement
createSupplementData
in interface ColumnSupplement
rdata
- row accessor providing data from the host tableIOException
public static double getDouble(Object value)
value
- object valueCopyright © 2024 Central Laboratory of the Research Councils. All Rights Reserved.