java.lang.Object
- uk.ac.starlink.table.AbstractStarTable
- - uk.ac.starlink.table.RandomStarTable
  - - uk.ac.starlink.table.ConstantStarTable

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, StarTable
```
public class ConstantStarTable
extends RandomStarTable
```
Table implementation representing a table in which every row is the same as every other.

Since:

3 Jul 2006

Author:

Mark Taylor

Constructor Summary

Constructors
Constructor Description

ConstantStarTable(ColumnInfo[] infos, java.lang.Object[] cells, long nrow)
Constructs a new constant star table.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`java.lang.Object`	`getCell(long lrow, int icol)`	Implementations of this method must be safe for concurrent calls from multiple threads.
`int`	`getColumnCount()`	Returns the number of columns in this table.
`ColumnInfo`	`getColumnInfo(int icol)`	Returns the object describing the data in a given column.
`long`	`getRowCount()`	Implementations must supply a non-negative return value.
`boolean`	`isRandom()`	Returns true.

Methods inherited from class uk.ac.starlink.table.RandomStarTable
getRowAccess, getRowSequence

Methods inherited from class uk.ac.starlink.table.AbstractStarTable
checkedLongToInt, close, getColumnAuxDataInfos, getName, getParameters, getRow, getRowSplittable, getURL, setName, setParameters, setURL

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface uk.ac.starlink.table.StarTable
getParameterByName, setParameter

- Constructor Detail
  - ConstantStarTable
```
public ConstantStarTable(ColumnInfo[] infos,
                         java.lang.Object[] cells,
                         long nrow)
```
    Constructs a new constant star table.
    
    Parameters:
    
    infos - array of column metadata objects (one for each column)
    
    cells - row data - the same for every row
    
    nrow - number of rows in this table
- Method Detail
  - getColumnCount
```
public int getColumnCount()
```
    Description copied from interface: StarTable
    
    Returns the number of columns in this table.
    
    Specified by:
    
    getColumnCount in interface StarTable
    
    Specified by:
    
    getColumnCount in class AbstractStarTable
    
    Returns:
    
    the number of columns
  - getColumnInfo
```
public ColumnInfo getColumnInfo(int icol)
```
    Description copied from interface: StarTable
    
    Returns the object describing the data in a given column.
    
    Specified by:
    
    getColumnInfo in interface StarTable
    
    Specified by:
    
    getColumnInfo in class AbstractStarTable
    
    Parameters:
    
    icol - the column for which header information is required
    
    Returns:
    
    a ValueInfo object for column icol
  - getRowCount
```
public long getRowCount()
```
    Description copied from class: RandomStarTable
    
    Implementations must supply a non-negative return value.
    
    Specified by:
    
    getRowCount in interface StarTable
    
    Specified by:
    
    getRowCount in class RandomStarTable
    
    Returns:
    
    the number of rows in the table
  - isRandom
```
public boolean isRandom()
```
    Description copied from class: RandomStarTable
    
    Returns true.
    
    Specified by:
    
    isRandom in interface StarTable
    
    Overrides:
    
    isRandom in class RandomStarTable
    
    Returns:
    
    true
  - getCell
```
public java.lang.Object getCell(long lrow,
                                int icol)
```
    Description copied from class: RandomStarTable
    
    Implementations of this method must be safe for concurrent calls from multiple threads.
    
    Specified by:
    
    getCell in interface StarTable
    
    Specified by:
    
    getCell in class RandomStarTable
    
    Parameters:
    
    lrow - the index of the cell's row
    
    icol - the index of the cell's column
    
    Returns:
    
    the contents of this cell

Class ConstantStarTable

Constructor Summary

Method Summary

Methods inherited from class uk.ac.starlink.table.RandomStarTable

Methods inherited from class uk.ac.starlink.table.AbstractStarTable

Methods inherited from class java.lang.Object

Methods inherited from interface uk.ac.starlink.table.StarTable

Constructor Detail

ConstantStarTable

Method Detail

getColumnCount

getColumnInfo

getRowCount

isRandom

getCell