HeadTable (Starjava TTOOLS API)

java.lang.Object
- uk.ac.starlink.table.WrapperStarTable
- - uk.ac.starlink.ttools.filter.HeadTable

All Implemented Interfaces:

uk.ac.starlink.table.StarTable
```
public class HeadTable
extends uk.ac.starlink.table.WrapperStarTable
```
Wrapper table implementation which only contains the first N rows of its base table.

Since:

7 Mar 2005

Author:

Mark Taylor (Starlink)

Field Summary
- Fields inherited from class uk.ac.starlink.table.WrapperStarTable
  baseTable

Constructor Summary

Constructors
Constructor and Description

HeadTable(uk.ac.starlink.table.StarTable base, long nhead)
Constructor.

Constructors
Constructor and Description
`HeadTable(uk.ac.starlink.table.StarTable base, long nhead)` Constructor.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`java.lang.Object`	`getCell(long irow, int icol)`
`java.lang.Object[]`	`getRow(long irow)`
`long`	`getRowCount()`
`uk.ac.starlink.table.RowSequence`	`getRowSequence()`

Methods inherited from class uk.ac.starlink.table.WrapperStarTable
checkedLongToInt, getBaseTable, getColumnAuxDataInfos, getColumnCount, getColumnInfo, getName, getParameterByName, getParameters, getURL, isRandom, setName, setParameter, setURL, toString

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

- Constructor Detail
  - HeadTable
```
public HeadTable(uk.ac.starlink.table.StarTable base,
                 long nhead)
```
    Constructor.
    
    Parameters:
    
    base - base table
    
    nhead - number of rows at the head of the table to use
- Method Detail
  - getRowCount
```
public long getRowCount()
```
    Specified by:
    
    getRowCount in interface uk.ac.starlink.table.StarTable
    
    Overrides:
    
    getRowCount in class uk.ac.starlink.table.WrapperStarTable
  - getCell
```
public java.lang.Object getCell(long irow,
                                int icol)
                         throws java.io.IOException
```
    Specified by:
    
    getCell in interface uk.ac.starlink.table.StarTable
    
    Overrides:
    
    getCell in class uk.ac.starlink.table.WrapperStarTable
    
    Throws:
    
    java.io.IOException
  - getRow
```
public java.lang.Object[] getRow(long irow)
                          throws java.io.IOException
```
    Specified by:
    
    getRow in interface uk.ac.starlink.table.StarTable
    
    Overrides:
    
    getRow in class uk.ac.starlink.table.WrapperStarTable
    
    Throws:
    
    java.io.IOException
  - getRowSequence
```
public uk.ac.starlink.table.RowSequence getRowSequence()
                                                throws java.io.IOException
```
    Specified by:
    
    getRowSequence in interface uk.ac.starlink.table.StarTable
    
    Overrides:
    
    getRowSequence in class uk.ac.starlink.table.WrapperStarTable
    
    Throws:
    
    java.io.IOException

Class HeadTable

Field Summary

Fields inherited from class uk.ac.starlink.table.WrapperStarTable

Constructor Summary

Method Summary

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

Methods inherited from class java.lang.Object

Constructor Detail

HeadTable

Method Detail

getRowCount

getCell

getRow

getRowSequence