Package com.espertech.esper.common.internal.collection

Class SingleObjectIterator<T>

java.lang.Object

com.espertech.esper.common.internal.collection.SingleObjectIterator<T>

All Implemented Interfaces:

Iterator<T>

public class SingleObjectIterator<T>
extends Object
implements Iterator<T>

A utility class for an iterator that has zero or one element and can be reset with a new value.

Constructor Summary

Constructors

Constructor	Description
SingleObjectIterator()	Ctor for an iterator starting out empty.
SingleObjectIterator(T object)	Constructor, takes the single object to iterate over as a parameter.

Method Summary

Modifier and Type	Method	Description
boolean	hasNext()
T	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 java.util.Iterator

forEachRemaining

Constructor Details

SingleObjectIterator

public SingleObjectIterator(T object)

Constructor, takes the single object to iterate over as a parameter. The single object can be null indicating that there are no more elements.

Parameters:

object - single object that the iterator returns, or null for an empty iterator

SingleObjectIterator

public SingleObjectIterator()

Ctor for an iterator starting out empty.

Method Details

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<T>

next

public T next()

Specified by:

next in interface Iterator<T>

remove

public void remove()

Specified by:

remove in interface Iterator<T>