org.apache.tinkerpop.gremlin.util.iterator

Class AbortiveMultiIterator<T>

java.lang.Object

org.apache.tinkerpop.gremlin.util.iterator.AbortiveMultiIterator<T>

All Implemented Interfaces:

Serializable, AutoCloseable, Iterator<T>

public final class AbortiveMultiIterator<T>
extends Object
implements Iterator<T>, Serializable, AutoCloseable

An Iterator that checks a Predicate prior to processing the specified child Iterator instances.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
AbortiveMultiIterator()

Method Summary

Modifier and Type	Method and Description
void	addIterator(Iterator<T> iterator) Adds an Iterator that will always be iterated.
void	addIterator(Iterator<T> iterator, Predicate<Long> check) Adds an Iterator that will iterate only if the check passes.
void	clear()
void	close() Close the underlying iterators if auto-closeable.
boolean	hasNext()
T	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

AbortiveMultiIterator

public AbortiveMultiIterator()

Method Detail

addIterator

public void addIterator(Iterator<T> iterator)

Adds an Iterator that will always be iterated.

addIterator

public void addIterator(Iterator<T> iterator,
                        Predicate<Long> check)

Adds an Iterator that will iterate only if the check passes.

Parameters:

check - when returning true processing of the associated Iterator will proceed

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<T>

remove

public void remove()

Specified by:

remove in interface Iterator<T>

next

public T next()

Specified by:

next in interface Iterator<T>

clear

public void clear()

close

public void close()

Close the underlying iterators if auto-closeable. Note that when Exception is thrown from any iterator in the for loop on closing, remaining iterators possibly left unclosed.

Specified by:

close in interface AutoCloseable