saffron.runtime
Class IteratorPlan

java.lang.Object
  |
  +--saffron.runtime.IteratorPlan

All Implemented Interfaces:

Iterator, Plan

Direct Known Subclasses:

ArrayReaderPlan, NestedLoopJoinPlan

public abstract class IteratorPlan

extends Object

implements Plan

Base class for Plans which work by reading from an Iterator.

Field Summary

(package private) Object	current
protected Iterator	iterator

Constructor Summary

IteratorPlan()

Method Summary

Object	current()
boolean	hasNext()
Object	next()
void	remove()

Methods inherited from class java.lang.Object

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

Methods inherited from interface saffron.runtime.Plan

execute, explain

Field Detail

iterator

protected Iterator iterator

current

Object current

Constructor Detail

IteratorPlan

public IteratorPlan()

Method Detail

hasNext

public final boolean hasNext()

Specified by:

hasNext in interface Iterator

next

public final Object next()

Specified by:

next in interface Iterator

current

public final Object current()

Specified by:

current in interface Plan

remove

public void remove()

Specified by:

remove in interface Iterator