ca.uqac.dim.turtledb

Class Join.JoinStreamIterator

java.lang.Object

ca.uqac.dim.turtledb.RelationStreamIterator

ca.uqac.dim.turtledb.BinaryRelation.BinaryRelationStreamIterator

ca.uqac.dim.turtledb.Join.JoinStreamIterator

All Implemented Interfaces:

RelationIterator, java.util.Iterator<Tuple>

Enclosing class:

Join

protected class Join.JoinStreamIterator
extends BinaryRelation.BinaryRelationStreamIterator

Field Summary

Fields

Modifier and Type	Field and Description
protected RelationStreamIterator	m_childIterator

Fields inherited from class ca.uqac.dim.turtledb.RelationStreamIterator

m_internalNextCalled, m_nextTuple, m_outputTuples

Constructor Summary

Constructors

Constructor and Description
JoinStreamIterator()

Method Summary

Modifier and Type	Method and Description
protected Tuple	internalNext() Implementation of internalNext.
void	reset() Resets the enumeration of tuples, i.e.

Methods inherited from class ca.uqac.dim.turtledb.RelationStreamIterator

hasNext, next, remove

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining

Field Detail

m_childIterator

protected RelationStreamIterator m_childIterator

Constructor Detail

JoinStreamIterator

public JoinStreamIterator()

Method Detail

internalNext

protected Tuple internalNext()

Implementation of internalNext.

Specified by:

internalNext in class RelationStreamIterator

Returns:

The next tuple, null if no such tuple exists

reset

public void reset()

Description copied from class: RelationStreamIterator

Resets the enumeration of tuples, i.e. starts back at the first tuple of the relation.

Specified by:

reset in interface RelationIterator

Overrides:

reset in class RelationStreamIterator