uk.ac.ed.epcc.webapp.model.data.iterator

Class AbstractMultiIterator<T>

java.lang.Object

uk.ac.ed.epcc.webapp.model.data.iterator.AbstractMultiIterator<T>

Type Parameters:

T -

All Implemented Interfaces:

java.lang.AutoCloseable, java.util.Iterator<T>, CloseableIterator<T>

public abstract class AbstractMultiIterator<T>
extends java.lang.Object
implements CloseableIterator<T>

Abstract class for combining a sequence of iterators. If the nested iterators implement AutoCloseable we assume only the current iterator needs closing

See Also:

CloseableIterator

Constructor Summary

Constructors

Constructor and Description
AbstractMultiIterator()

Method Summary

Modifier and Type	Method and Description
void	close()
boolean	hasNext()
T	next()
protected abstract java.util.Iterator<T>	nextIterator() return the next Iterator in the sequence or null if no more iterators are available
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

AbstractMultiIterator

public AbstractMultiIterator()

Method Detail

nextIterator

protected abstract java.util.Iterator<T> nextIterator()

return the next Iterator in the sequence or null if no more iterators are available

Returns:

Iterator or null

hasNext

public boolean hasNext()

Specified by:

hasNext in interface java.util.Iterator<T>

next

public T next()

Specified by:

next in interface java.util.Iterator<T>

remove

public void remove()

Specified by:

remove in interface java.util.Iterator<T>

close

public void close()
           throws java.lang.Exception

Specified by:

close in interface java.lang.AutoCloseable

Throws:

java.lang.Exception