co.cask.cdap.etl.batch.join

Class Join<JOIN_KEY,INPUT_RECORD,OUT>

java.lang.Object

co.cask.cdap.etl.batch.join.Join<JOIN_KEY,INPUT_RECORD,OUT>

Type Parameters:

JOIN_KEY - type of join key

INPUT_RECORD - type of input record

OUT - type of output of mapreduce

public class Join<JOIN_KEY,INPUT_RECORD,OUT>
extends Object

Performs join operation

Constructor Summary

Constructors

Constructor and Description
Join(Joiner<JOIN_KEY,INPUT_RECORD,OUT> joiner, JOIN_KEY joinKey, Iterator<JoinElement<INPUT_RECORD>> iterator, int numOfInputs, Emitter<OUT> emitter)

Method Summary

Methods

Modifier and Type	Method and Description
void	joinRecords()

Methods inherited from class java.lang.Object

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

Constructor Detail

Join

public Join(Joiner<JOIN_KEY,INPUT_RECORD,OUT> joiner,
    JOIN_KEY joinKey,
    Iterator<JoinElement<INPUT_RECORD>> iterator,
    int numOfInputs,
    Emitter<OUT> emitter)
     throws Exception

Throws:

Exception

Method Detail

joinRecords

public void joinRecords()
                 throws Exception

Throws:

Exception