Class 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 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(uk.ac.starlink.table.StarTable) method.
      Specified by:
      createProducer in class ConsumerTask
      Parameters:
      env - execution environment
      Returns:
      table producer
      Throws:
      uk.ac.starlink.task.TaskException