JELQuerySequenceFactory (Starjava TTOOLS API)

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java.lang.Object
- uk.ac.starlink.ttools.cone.JELQuerySequenceFactory

All Implemented Interfaces:

QuerySequenceFactory
```
public class JELQuerySequenceFactory
extends java.lang.Object
implements QuerySequenceFactory
```
QuerySequenceFactory which uses JEL expressions for RA, Dec and SR.

Since:

16 Oct 2007

Author:

Mark Taylor

Constructor Summary

Constructors
Constructor	Description
`JELQuerySequenceFactory(java.lang.String raExpr, java.lang.String decExpr, java.lang.String srExpr)`	Constructor.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`ConeQueryRowSequence`	`createQuerySequence(uk.ac.starlink.table.StarTable table)`	Creates a query sequence.

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

- Constructor Detail
  - JELQuerySequenceFactory
```
public JELQuerySequenceFactory(java.lang.String raExpr,
                               java.lang.String decExpr,
                               java.lang.String srExpr)
```
    Constructor. The JEL expressions will be resolved using the column names of the supplied table when the factory method is called.
    
    Parameters:
    
    raExpr - JEL expression for right ascension in degrees; if null a guess will be attempted
    
    decExpr - JEL expression for declination in degrees; if null a guess will be attempted
    
    srExpr - JEL expression for search radius in degrees
- Method Detail
  - createQuerySequence
```
public ConeQueryRowSequence createQuerySequence(uk.ac.starlink.table.StarTable table)
                                         throws java.io.IOException
```
    Description copied from interface: QuerySequenceFactory
    
    Creates a query sequence.
    
    Specified by:
    
    createQuerySequence in interface QuerySequenceFactory
    
    Parameters:
    
    table - input table
    
    Throws:
    
    java.io.IOException

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