uk.ac.starlink.ttools.join

Class Match1Mapping

java.lang.Object

uk.ac.starlink.ttools.join.Match1Mapping

All Implemented Interfaces:

SingleTableMapping

public class Match1Mapping
extends Object
implements SingleTableMapping

SingleTableMapping whose result is generated by performing an internal crossmatch on the input table.

Since:

16 Nov 2007

Author:

Mark Taylor

Constructor Summary

Constructors

Constructor and Description
Match1Mapping(MatchEngine matchEngine, Match1Type type1, String[] tupleExprs, ProgressIndicator progger, RowRunner runner) Constructs a Match1Mapping by giving instructions about how the internal match result table will be produced from the input table.

Method Summary

Modifier and Type	Method and Description
StarTable	map(StarTable inTable) Converts the input table to a table containing internal match results.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Match1Mapping

public Match1Mapping(MatchEngine matchEngine,
                     Match1Type type1,
                     String[] tupleExprs,
                     ProgressIndicator progger,
                     RowRunner runner)

Constructs a Match1Mapping by giving instructions about how the internal match result table will be produced from the input table.

Parameters:

matchEngine - match engine

type1 - type of internal match result table

tupleExprs - array of JEL expressions to execute in the context of the input table, one for each element of the matchEngine's tuple

progger - progress indicator

runner - controls parallel implementation, or null for sequential

Method Detail

map

public StarTable map(StarTable inTable)
              throws TaskException,
                     IOException

Converts the input table to a table containing internal match results.

Specified by:

map in interface SingleTableMapping

Parameters:

inTable - input table

Returns:

match result table

Throws:

TaskException

IOException