com.ibm.wala.util.collections

Class NonNullSingletonIterator<T>

java.lang.Object

com.ibm.wala.util.collections.NonNullSingletonIterator<T>

All Implemented Interfaces:

Iterator<T>

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

A singleton iterator for an object which is guaranteed to be not-null. Exploiting this invariant allows this class to be slightly more efficient than Collections.iterator()

Constructor Summary

Constructors

Constructor and Description
NonNullSingletonIterator(T o)

Method Summary

Modifier and Type	Method and Description
boolean	hasNext()
static <T> NonNullSingletonIterator<T>	make(T item)
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 Detail

NonNullSingletonIterator

public NonNullSingletonIterator(T o)

Parameters:

o - the single object in this collection, must be non-null

Method Detail

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()
            throws UnsupportedOperationException

Specified by:

remove in interface Iterator<T>

Throws:

UnsupportedOperationException

make

public static <T> NonNullSingletonIterator<T> make(T item)