uba.db.ar
Class Proyector

java.lang.Object
  uba.db.ar.Proyector

All Implemented Interfaces:

TupleProvider

public class Proyector
extends java.lang.Object
implements TupleProvider

Constructor Summary

Proyector(ProyectorParameter param, TupleProvider source)

Method Summary

boolean	hasNext() hasNext
Tupla	next() next
void	reset()
java.lang.String	toString()
TuplaDef	tupleDefinition()

Methods inherited from class java.lang.Object

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

Constructor Detail

Proyector

public Proyector(ProyectorParameter param,
                 TupleProvider source)

Method Detail

hasNext

public boolean hasNext()

hasNext

Specified by:

hasNext in interface TupleProvider

Returns:

boolean

tupleDefinition

public TuplaDef tupleDefinition()

Specified by:

tupleDefinition in interface TupleProvider

next

public Tupla next()

next

Specified by:

next in interface TupleProvider

Returns:

Tupla

reset

public void reset()

Specified by:

reset in interface TupleProvider

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object