uk.ac.starlink.topcat

Class SingleRowSubset

java.lang.Object

uk.ac.starlink.topcat.RowSubset

uk.ac.starlink.topcat.SingleRowSubset

public class SingleRowSubset
extends RowSubset

RowSubset implementation that includes a maximum of one row index. The getMaskId() return value depends on the state, not the identity.

Since:

26 Aug 2022

Author:

Mark Taylor

Nested Class Summary

Nested classes/interfaces inherited from class uk.ac.starlink.topcat.RowSubset

RowSubset.Key

Field Summary

Fields inherited from class uk.ac.starlink.topcat.RowSubset

ALL, NONE

Constructor Summary

Constructors

Constructor and Description
SingleRowSubset(String name) Constructor.

Method Summary

Modifier and Type	Method and Description
String	getMaskId() Returns a value dependent on the selected row.
long	getRowIndex() Returns the included row index.
boolean	isIncluded(long lrow) Indicates whether a given row is in the subset or not.
void	setRowIndex(long lrow) Sets the included row index.

Methods inherited from class uk.ac.starlink.topcat.RowSubset

getKey, getName, setKey, setName, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

SingleRowSubset

public SingleRowSubset(String name)

Constructor.

Parameters:

name - subset name

Method Detail

setRowIndex

public void setRowIndex(long lrow)

Sets the included row index.

Parameters:

lrow - index of single included row, or -1 for no rows

getRowIndex

public long getRowIndex()

Returns the included row index.

Returns:

index of single included row, or -1 for no rows

isIncluded

public boolean isIncluded(long lrow)

Description copied from class: RowSubset

Indicates whether a given row is in the subset or not.

Specified by:

isIncluded in class RowSubset

Parameters:

lrow - the index of the row in question

Returns:

true iff row lrow is to be included

getMaskId

public String getMaskId()

Returns a value dependent on the selected row.

Overrides:

getMaskId in class RowSubset

Returns:

mask content identifier