//-----------------------------------------------------------------------
/**
* Constructor that decorates the specified iterator.
*
* @param iterator the iterator to decorate, must not be null
* @throws IllegalArgumentException if the collection is null
*/
public AbstractOrderedMapIteratorDecorator(OrderedMapIterator iterator)
: base()
{
if (iterator == null)
{
throw new java.lang.IllegalArgumentException("OrderedMapIterator must not be null");
}
this.iterator = iterator;
}
//-----------------------------------------------------------------------
/**
* Constructor that decorates the specified iterator.
*
* @param iterator the iterator to decorate, must not be null
* @throws IllegalArgumentException if the collection is null
*/
public AbstractOrderedMapIteratorDecorator(OrderedMapIterator iterator)
: base()
{
if (iterator == null)
{
throw new java.lang.IllegalArgumentException("OrderedMapIterator must not be null");
}
this.iterator = iterator;
}
//-----------------------------------------------------------------------
/**
* Decorates the specified iterator such that it cannot be modified.
*
* @param iterator the iterator to decorate
* @throws IllegalArgumentException if the iterator is null
*/
public static OrderedMapIterator decorate(OrderedMapIterator iterator)
{
if (iterator == null)
{
throw new java.lang.IllegalArgumentException("OrderedMapIterator must not be null");
}
if (iterator is Unmodifiable)
{
return iterator;
}
return new UnmodifiableOrderedMapIterator(iterator);
}
//-----------------------------------------------------------------------
/**
* Decorates the specified iterator such that it cannot be modified.
*
* @param iterator the iterator to decorate
* @throws IllegalArgumentException if the iterator is null
*/
public static OrderedMapIterator decorate(OrderedMapIterator iterator)
{
if (iterator == null)
{
throw new java.lang.IllegalArgumentException("OrderedMapIterator must not be null");
}
if (iterator is Unmodifiable)
{
return(iterator);
}
return(new UnmodifiableOrderedMapIterator(iterator));
}
//-----------------------------------------------------------------------
/**
* Constructor.
*
* @param iterator the iterator to decorate
*/
private UnmodifiableOrderedMapIterator(OrderedMapIterator iterator)
: base()
{
this.iterator = iterator;
}
//-----------------------------------------------------------------------
public override OrderedMapIterator orderedMapIterator()
{
OrderedMapIterator it = getOrderedBidiMap().orderedMapIterator();
return(UnmodifiableOrderedMapIterator.decorate(it));
}
//-----------------------------------------------------------------------
/**
* Constructor.
*
* @param iterator the iterator to decorate
*/
private UnmodifiableOrderedMapIterator(OrderedMapIterator iterator)
: base()
{
this.iterator = iterator;
}
