SingleMapperTask (Starjava TTOOLS API)

java.lang.Object
- uk.ac.starlink.ttools.task.ConsumerTask
- - uk.ac.starlink.ttools.task.SingleMapperTask

All Implemented Interfaces:

uk.ac.starlink.task.Task

Direct Known Subclasses:

CdsUploadSkyMatch, GridDensityMap, PixFootprint, SkyConeMatch2, SkyDensityMap, TableCube, TableMatch1, TablePipe, TapUploadSkyMatch
```
public abstract class SingleMapperTask
extends ConsumerTask
```
MapperTask which has a single input table.

Since:

14 Sep 2006

Author:

Mark Taylor

Constructor Summary

Constructors
Constructor	Description
`SingleMapperTask(java.lang.String purpose, ProcessingMode outMode, boolean useOutFilter, boolean useInFilter)`	Constructor.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected TableProducer`	`createInputProducer(uk.ac.starlink.task.Environment env)`	Returns an object provides which provides the (possibly filtered) input table.

Methods inherited from class uk.ac.starlink.ttools.task.ConsumerTask
createExecutable, createProducer, createProducer, getIdentity, getOutputMode, getParameterList, getParameters, getPurpose

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

- Constructor Detail
  - SingleMapperTask
```
public SingleMapperTask(java.lang.String purpose,
                        ProcessingMode outMode,
                        boolean useOutFilter,
                        boolean useInFilter)
```
    Constructor.
    
    Parameters:
    
    purpose - one-line description of the purpose of the task
    
    outMode - processing mode which determines the destination of the processed table
    
    useOutFilter - allow specification of filters for output table
    
    useInFilter - allow specification of filters for input table
- Method Detail
  - createInputProducer
```
protected TableProducer createInputProducer(uk.ac.starlink.task.Environment env)
                                     throws uk.ac.starlink.task.TaskException
```
    Returns an object provides which provides the (possibly filtered) input table.
    
    Parameters:
    
    env - execution environment
    
    Returns:
    
    input table producer
    
    Throws:
    
    uk.ac.starlink.task.TaskException