org.neo4j.helpers.collection
Class FilteringIterator<T>
java.lang.Object
org.neo4j.helpers.collection.PrefetchingIterator<T>
org.neo4j.helpers.collection.FilteringIterator<T>
- Type Parameters:
T
- the type of items in the iteration.
- All Implemented Interfaces:
- Iterator<T>
public class FilteringIterator<T>
- extends PrefetchingIterator<T>
An iterator which filters another iterator, only letting items with certain
criterias pass through. All iteration/filtering is done lazily.
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
FilteringIterator
public FilteringIterator(Iterator<T> source,
Predicate<T> predicate)
fetchNextOrNull
protected T fetchNextOrNull()
- Specified by:
fetchNextOrNull
in class PrefetchingIterator<T>
notNull
public static <T> Iterator<T> notNull(Iterator<T> source)
noDuplicates
public static <T> Iterator<T> noDuplicates(Iterator<T> source)
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