EmptyRowSequence (Starjava Table API)

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java.lang.Object
- uk.ac.starlink.table.EmptyRowSequence

All Implemented Interfaces:

RowSequence
```
public class EmptyRowSequence
extends java.lang.Object
implements RowSequence
```
Row sequence implementation which has no rows. Singleton impelementation.

Since:

28 Oct 2004

Author:

Mark Taylor (Starlink)

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`close()`	Does nothing.
`java.lang.Object`	`getCell(int icol)`	Always throws IllegalStateException.
`static EmptyRowSequence`	`getInstance()`	Returns singleton instance of this class.
`java.lang.Object[]`	`getRow()`	Always throws IllegalStateException.
`boolean`	`next()`	Always returns false.

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

- Method Detail
  - next
```
public boolean next()
```
    Always returns false.
    
    Specified by:
    
    next in interface RowSequence
    
    Returns:
    
    true iff this sequence has been advanced to the next row
  - getCell
```
public java.lang.Object getCell(int icol)
```
    Always throws IllegalStateException.
    
    Specified by:
    
    getCell in interface RowSequence
    
    Returns:
    
    the contents of cell icol in the current row
  - getRow
```
public java.lang.Object[] getRow()
```
    Always throws IllegalStateException.
    
    Specified by:
    
    getRow in interface RowSequence
    
    Returns:
    
    an array of the objects in each cell in row irow
  - close
```
public void close()
```
    Does nothing.
    
    Specified by:
    
    close in interface RowSequence
  - getInstance
```
public static EmptyRowSequence getInstance()
```
    Returns singleton instance of this class.
    
    Returns:
    
    instance

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