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java.lang.Objectuk.ac.starlink.ttools.filter.UnitColumnSupplement
public class UnitColumnSupplement
Trivial ColumnSupplement implementation which contains all the columns of a base table unchanged.
Constructor Summary | |
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UnitColumnSupplement(StarTable table)
Constructor. |
Method Summary | |
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SupplementSequence |
createSequence(RowSequence rseq)
Returns a new iterator over 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. |
Object[] |
getRow(long irow)
Random access read of a row defined by this object. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public UnitColumnSupplement(StarTable table)
table
- base tableMethod Detail |
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public int getColumnCount()
ColumnSupplement
getColumnCount
in interface ColumnSupplement
public ColumnInfo getColumnInfo(int icol)
ColumnSupplement
getColumnInfo
in interface ColumnSupplement
icol
- column index within this object
public Object getCell(long irow, int icol) throws IOException
ColumnSupplement
getCell
in interface ColumnSupplement
irow
- row indexicol
- column index
IOException
public Object[] getRow(long irow) throws IOException
ColumnSupplement
getRow
in interface ColumnSupplement
irow
- row index
IOException
public SupplementSequence createSequence(RowSequence rseq) throws IOException
ColumnSupplement
createSequence
in interface ColumnSupplement
rseq
- row sequence providing data from the host table
IOException
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