Class LookAheadIterator<E>
java.lang.Object
org.eclipse.rdf4j.common.iterator.AbstractCloseableIterator<E>
org.eclipse.rdf4j.common.iterator.LookAheadIterator<E>
- All Implemented Interfaces:
Closeable,AutoCloseable,Iterator<E>
- Direct Known Subclasses:
UnionIterator
- Author:
- MJAHale
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionprotected abstract EGets the next element.protected voidprotected voidCalled byAbstractCloseableIterator.close()when it is called for the first time.final booleanhasNext()final Enext()voidremove()Throws anUnsupportedOperationException.Methods inherited from class org.eclipse.rdf4j.common.iterator.AbstractCloseableIterator
close, isClosedMethods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, waitMethods inherited from interface java.util.Iterator
forEachRemaining
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Constructor Details
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LookAheadIterator
protected LookAheadIterator()
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Method Details
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getNextElement
Gets the next element. Subclasses should implement this method so that it returns the next element.- Returns:
- The next element, or null if no more elements are available.
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hasNext
public final boolean hasNext() -
next
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remove
public void remove()Throws anUnsupportedOperationException. -
handleClose
Description copied from class:AbstractCloseableIteratorCalled byAbstractCloseableIterator.close()when it is called for the first time. This method is only called once on each iteration. By default, this method does nothing.- Overrides:
handleClosein classAbstractCloseableIterator<E>- Throws:
IOException
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handleAlreadyClosed
- Overrides:
handleAlreadyClosedin classAbstractCloseableIterator<E>- Throws:
IOException
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