ArrayJoin (Starjava TTOOLS API)

java.lang.Object

uk.ac.starlink.ttools.task.ConsumerTask

uk.ac.starlink.ttools.task.SingleMapperTask

uk.ac.starlink.ttools.task.ArrayJoin

All Implemented Interfaces:: uk.ac.starlink.task.Task

public class ArrayJoin extends SingleMapperTask

Task to add the contents of an external table for each row of an input table as array-valued columns.

Since:: 17 Jun 2022
Author:: Mark Taylor

Constructor Summary

Constructors

Constructor

Description

ArrayJoin()

Constructor.
Method Summary

Modifier and Type

Method

Description

TableProducer

createProducer(uk.ac.starlink.task.Environment env)

Returns an object which can produce the effective output table which will be consumed by this task.

uk.ac.starlink.task.Parameter<?>[]

getParameters()

Methods inherited from class SingleMapperTask
createInputProducer, getInputFilterParameter, getInputTableParameter

Methods inherited from class ConsumerTask
createExecutable, createProducer, getIdentity, getOutputMode, getParameterList, getPurpose

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

Constructor Details
- ArrayJoin
  
  public ArrayJoin()
  
  Constructor.
Method Details
- getParameters
  
  public uk.ac.starlink.task.Parameter<?>[] getParameters()
  
  Specified by:
  
  getParameters in interface uk.ac.starlink.task.Task
  
  Overrides:
  
  getParameters in class ConsumerTask
- createProducer
  
  public TableProducer createProducer(uk.ac.starlink.task.Environment env) throws uk.ac.starlink.task.TaskException
  
  Description copied from class: ConsumerTask
  
  Returns an object which can produce the effective output table which will be consumed by this task. The table produced by the resulting producer can be fed to the ConsumerTask.getIdentity(StarTable) method.
  
  Specified by:
  
  createProducer in class ConsumerTask
  
  Parameters:
  
  env - execution environment
  
  Returns:
  
  table producer
  
  Throws:
  
  uk.ac.starlink.task.TaskException