com.sun.enterprise.module.common_impl

Class AdapterIterator<T,U>

java.lang.Object

com.sun.enterprise.module.common_impl.AdapterIterator<T,U>

All Implemented Interfaces:

java.util.Iterator<T>

public abstract class AdapterIterator<T,U>
extends java.lang.Object
implements java.util.Iterator<T>

Iterator implementation that works as a filter to another iterator.

Field Summary

Fields

Modifier and Type	Field and Description
private java.util.Iterator<? extends U>	core
private T	next

Constructor Summary

Constructors

Constructor and Description
AdapterIterator(java.util.Iterator<? extends U> core)

Method Summary

Modifier and Type	Method and Description
protected abstract T	adapt(U u)
private void	fetch()
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

Field Detail

core

private final java.util.Iterator<? extends U> core

next

private T next

Constructor Detail

AdapterIterator

public AdapterIterator(java.util.Iterator<? extends U> core)

Method Detail

next

public T next()

Specified by:

next in interface java.util.Iterator<T>

hasNext

public boolean hasNext()

Specified by:

hasNext in interface java.util.Iterator<T>

fetch

private void fetch()

remove

public void remove()

Specified by:

remove in interface java.util.Iterator<T>

adapt

protected abstract T adapt(U u)

Returns:

null to filter out this object. Non-null object will be returned from the iterator to the caller.