io.hypersistence.optimizer.util

Class IteratorCountDecorator<E>

java.lang.Object

io.hypersistence.optimizer.util.IteratorCountDecorator<E>

All Implemented Interfaces:

Closeable, AutoCloseable, Iterator, org.hibernate.engine.HibernateIterator

public class IteratorCountDecorator<E>
extends Object
implements org.hibernate.engine.HibernateIterator

The IteratorCountDecorator decorates a HibernateIterator and counts the fetched elements.

Since:

2.2.0

Author:

Vlad Mihalcea

Constructor Summary

Constructors

Constructor and Description
IteratorCountDecorator(Iterator<E> delegate) Decorate the provided Iterator.

Method Summary

Modifier and Type	Method and Description
void	close()
int	getCount() Get the count of elements that have been returned by this iterator.
boolean	hasNext()
E	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

IteratorCountDecorator

public IteratorCountDecorator(Iterator<E> delegate)

Decorate the provided Iterator.

Parameters:

delegate - Iterator to be decorated

Method Detail

getCount

public int getCount()

Get the count of elements that have been returned by this iterator.

Returns:

the count of elements that have been returned by this iterator

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator

next

public E next()

Specified by:

next in interface Iterator

remove

public void remove()

Specified by:

remove in interface Iterator

close

public void close()
           throws org.hibernate.JDBCException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Specified by:

close in interface org.hibernate.engine.HibernateIterator

Throws:

org.hibernate.JDBCException