CollectionIteration (Eclipse RDF4J 4.2.4)

java.lang.Object
- org.eclipse.rdf4j.common.iteration.AbstractCloseableIteration<E,X>
- - org.eclipse.rdf4j.repository.sparql.federation.CollectionIteration<E,X>

All Implemented Interfaces:

AutoCloseable, CloseableIteration<E,X>, Iteration<E,X>

Direct Known Subclasses:

CollectionIteration
```
public class CollectionIteration<E,X extends Exception>
extends AbstractCloseableIteration<E,X>
```
An iteration to access a materialized Collection of BindingSets.

Author:

Andreas Schwarte

Field Summary

Fields
Modifier and Type Field Description

protected Collection<E> collection

protected Iterator<E> iterator

Constructor Summary

Constructors
Constructor Description

CollectionIteration(Collection<E> collection)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`hasNext()`	Returns `true` if the iteration has more elements.
`E`	`next()`	Returns the next element in the iteration.
`void`	`remove()`	Removes from the underlying collection the last element returned by the iteration (optional operation).

Methods inherited from class org.eclipse.rdf4j.common.iteration.AbstractCloseableIteration
close, handleClose, isClosed

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.eclipse.rdf4j.common.iteration.CloseableIteration
stream

- Field Detail
  - collection
```
protected final Collection<E> collection
```
  - iterator
```
protected Iterator<E> iterator
```
- Constructor Detail
  - CollectionIteration
```
public CollectionIteration(Collection<E> collection)
```
    Parameters:
    
    collection -
- Method Detail
  - hasNext
```
public boolean hasNext()
                throws X extends Exception
```
    Description copied from interface: Iteration
    
    Returns true if the iteration has more elements. (In other words, returns true if Iteration.next() would return an element rather than throwing a NoSuchElementException.)
    
    Returns:
    
    true if the iteration has more elements.
    
    Throws:
    
    X
    
    X extends Exception
  - next
```
public E next()
       throws X extends Exception
```
    Description copied from interface: Iteration
    
    Returns the next element in the iteration.
    
    Returns:
    
    the next element in the iteration.
    
    Throws:
    
    X extends Exception
  - remove
```
public void remove()
            throws X extends Exception
```
    Description copied from interface: Iteration
    
    Removes from the underlying collection the last element returned by the iteration (optional operation). This method can be called only once per call to next.
    
    Throws:
    
    X extends Exception