Package uk.ac.starlink.table
Class ConstantColumn
java.lang.Object
uk.ac.starlink.table.ColumnData
uk.ac.starlink.table.ConstantColumn
Represents a column which has the same value in every row.
- Since:
- 19 Sep 2006
- Author:
- Mark Taylor
-
Constructor Summary
ConstructorsConstructorDescriptionConstantColumn
(ColumnInfo colinfo, Object value) Constructs a new column with a given metadata object and constant datum. -
Method Summary
Methods inherited from class uk.ac.starlink.table.ColumnData
getColumnInfo, isWritable, setColumnInfo, storeValue
-
Constructor Details
-
ConstantColumn
Constructs a new column with a given metadata object and constant datum.- Parameters:
colinfo
- column metadatavalue
- value to be found in every cell of this column
-
-
Method Details
-
readValue
Description copied from class:ColumnData
Returns the value stored at a given row in this column.- Specified by:
readValue
in classColumnData
- Parameters:
irow
- the row from which to retrieve the value- Returns:
- the value stored at irow
-