JELSelectorTable (Starjava TTOOLS API)

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

All Implemented Interfaces:

uk.ac.starlink.table.StarTable
```
public class JELSelectorTable
extends uk.ac.starlink.table.WrapperStarTable
```
Sequential table which selects rows on the basis of a JEL-interpreted expression.

See Also:

JELRowReader

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

Constructor Summary

Constructors
Constructor and Description
`JELSelectorTable(uk.ac.starlink.table.StarTable baseTable, java.lang.String expr)` Construct a table given a base table and a selection expression.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type Method and Description

long getRowCount()

uk.ac.starlink.table.RowSequence getRowSequence()

boolean isRandom()
- Methods inherited from class uk.ac.starlink.table.WrapperStarTable
  checkedLongToInt, getBaseTable, getCell, getColumnAuxDataInfos, getColumnCount, getColumnInfo, getName, getParameterByName, getParameters, getRow, getURL, setName, setParameter, setURL, toString
- Methods inherited from class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - JELSelectorTable
```
public JELSelectorTable(uk.ac.starlink.table.StarTable baseTable,
                        java.lang.String expr)
                 throws gnu.jel.CompilationException
```
    Construct a table given a base table and a selection expression.
    
    Parameters:
    
    baseTable - base table
    
    expr - boolean algebraic expression describing inclusion test
    
    Throws:
    
    gnu.jel.CompilationException
- Method Detail
  - isRandom
```
public boolean isRandom()
```
    Specified by:
    
    isRandom in interface uk.ac.starlink.table.StarTable
    
    Overrides:
    
    isRandom in class uk.ac.starlink.table.WrapperStarTable
  - getRowCount
```
public long getRowCount()
```
    Specified by:
    
    getRowCount in interface uk.ac.starlink.table.StarTable
    
    Overrides:
    
    getRowCount in class uk.ac.starlink.table.WrapperStarTable
  - 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

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