Package uk.ac.starlink.topcat
Class SubsetStarTable
- java.lang.Object
-
- uk.ac.starlink.table.WrapperStarTable
-
- uk.ac.starlink.topcat.SubsetStarTable
-
- All Implemented Interfaces:
java.io.Closeable
,java.lang.AutoCloseable
,uk.ac.starlink.table.StarTable
public class SubsetStarTable extends uk.ac.starlink.table.WrapperStarTable
StarTable that applies a row subset selection to a given input table. This implementation is not random access, but does supply a non-trivial RowSplittable.- Since:
- 14 Dec 2020
- Author:
- Mark Taylor
-
-
Constructor Summary
Constructors Constructor Description SubsetStarTable(uk.ac.starlink.table.StarTable base, RowSubset rset)
Constructor.
-
Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description static uk.ac.starlink.table.StarTable
createTable(uk.ac.starlink.table.StarTable table, RowSubset rset)
Returns a table with row selection characteristics matching those of the given subset.java.lang.Object
getCell(long irow, int icol)
java.lang.Object[]
getRow(long irow)
uk.ac.starlink.table.RowAccess
getRowAccess()
long
getRowCount()
uk.ac.starlink.table.RowSequence
getRowSequence()
uk.ac.starlink.table.RowSplittable
getRowSplittable()
Note the row index reflects the index in the underlying table, not that of the subset table.boolean
isRandom()
-
-
-
Constructor Detail
-
SubsetStarTable
public SubsetStarTable(uk.ac.starlink.table.StarTable base, RowSubset rset)
Constructor.- Parameters:
base
- table supplying row datarset
- subset defining row inclusion
-
-
Method Detail
-
isRandom
public boolean isRandom()
- Specified by:
isRandom
in interfaceuk.ac.starlink.table.StarTable
- Overrides:
isRandom
in classuk.ac.starlink.table.WrapperStarTable
-
getRowCount
public long getRowCount()
- Specified by:
getRowCount
in interfaceuk.ac.starlink.table.StarTable
- Overrides:
getRowCount
in classuk.ac.starlink.table.WrapperStarTable
-
getCell
public java.lang.Object getCell(long irow, int icol)
- Specified by:
getCell
in interfaceuk.ac.starlink.table.StarTable
- Overrides:
getCell
in classuk.ac.starlink.table.WrapperStarTable
-
getRow
public java.lang.Object[] getRow(long irow)
- Specified by:
getRow
in interfaceuk.ac.starlink.table.StarTable
- Overrides:
getRow
in classuk.ac.starlink.table.WrapperStarTable
-
getRowAccess
public uk.ac.starlink.table.RowAccess getRowAccess()
- Specified by:
getRowAccess
in interfaceuk.ac.starlink.table.StarTable
- Overrides:
getRowAccess
in classuk.ac.starlink.table.WrapperStarTable
-
getRowSequence
public uk.ac.starlink.table.RowSequence getRowSequence() throws java.io.IOException
- Specified by:
getRowSequence
in interfaceuk.ac.starlink.table.StarTable
- Overrides:
getRowSequence
in classuk.ac.starlink.table.WrapperStarTable
- Throws:
java.io.IOException
-
getRowSplittable
public uk.ac.starlink.table.RowSplittable getRowSplittable() throws java.io.IOException
Note the row index reflects the index in the underlying table, not that of the subset table.- Specified by:
getRowSplittable
in interfaceuk.ac.starlink.table.StarTable
- Overrides:
getRowSplittable
in classuk.ac.starlink.table.WrapperStarTable
- Throws:
java.io.IOException
-
createTable
public static uk.ac.starlink.table.StarTable createTable(uk.ac.starlink.table.StarTable table, RowSubset rset)
Returns a table with row selection characteristics matching those of the given subset.
-
-