FilterIterator (Eclipse RDF4J 4.2.4)

java.lang.Object
- org.eclipse.rdf4j.common.iterator.FilterIterator<E>

All Implemented Interfaces:

Iterator<E>
```
public abstract class FilterIterator<E>
extends Object
implements Iterator<E>
```
A CloseableIterator that wraps another iterator, applying a filter on the objects that are returned. Subclasses must implement the accept method to indicate which objects should be returned.

Constructor Summary

Constructors
Modifier Constructor Description

protected FilterIterator(Iterator<? extends E> iter)

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`protected abstract boolean`	`accept(E object)`	Tests whether or not the specified object should be 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
  - FilterIterator
```
protected FilterIterator(Iterator<? extends E> iter)
```
- Method Detail
  - hasNext
```
public boolean hasNext()
```
    Specified by:
    
    hasNext in interface Iterator<E>
  - next
```
public E next()
```
    Specified by:
    
    next in interface Iterator<E>
  - remove
```
public void remove()
```
    Specified by:
    
    remove in interface Iterator<E>
  - accept
```
protected abstract boolean accept(E object)
```
    Tests whether or not the specified object should be returned by this iterator. All objects from the wrapped iterator pass through this method in the same order as they are coming from the wrapped iterator.
    
    Parameters:
    
    object - The object to be tested.
    
    Returns:
    
    true if the object should be returned, false otherwise.
    
    Throws:
    
    X