unity.operators
Class MergeJoin

java.lang.Object
  extended by unity.operators.Operator
      extended by unity.operators.MergeJoin

public class MergeJoin
extends Operator


Constructor Summary
MergeJoin(Operator[] in, EquiJoinPredicate p)
           
 
Method Summary
 void close()
           
 void init()
           
 Tuple next()
           
 java.lang.String toString()
           
 
Methods inherited from class unity.operators.Operator
getOutputRelation, getPageIOs, getPagesRead, getTupleIOs, getTuplesOutput, getTuplesRead, hasNext, isBuffered, printTree, setOutputRelation
 
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

MergeJoin

public MergeJoin(Operator[] in,
                 EquiJoinPredicate p)
Method Detail

init

public void init()
          throws java.io.IOException
Specified by:
init in class Operator
Throws:
java.io.IOException

next

public Tuple next()
           throws java.io.IOException
Specified by:
next in class Operator
Throws:
java.io.IOException

close

public void close()
           throws java.io.IOException
Overrides:
close in class Operator
Throws:
java.io.IOException

toString

public java.lang.String toString()
Overrides:
toString in class java.lang.Object