Package nz.org.riskscape.engine.relation

Class Singleton

java.lang.Object

nz.org.riskscape.engine.relation.Singleton

All Implemented Interfaces:

AutoCloseable, Iterator<Tuple>, TupleIterator

public final class Singleton
extends Object
implements TupleIterator

Special case TupleIterator for a single Tuple.

Field Summary

Fields inherited from interface nz.org.riskscape.engine.relation.TupleIterator

EMPTY

Constructor Summary

Constructors

Constructor	Description
Singleton(Tuple tuple)

Method Summary

Modifier and Type	Method	Description
boolean	hasNext()
Tuple	next()
String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

remove

Methods inherited from interface nz.org.riskscape.engine.relation.TupleIterator

close, collect, forEachRemaining

Constructor Details

Singleton

public Singleton(Tuple tuple)

Method Details

next

public Tuple next()

Specified by:

next in interface Iterator<Tuple>

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<Tuple>

toString

public String toString()

Overrides:

toString in class Object