com.baidu.hugegraph.iterator

Class BatchMapperIterator<T,R>

java.lang.Object

com.baidu.hugegraph.iterator.WrappedIterator<R>

com.baidu.hugegraph.iterator.BatchMapperIterator<T,R>

All Implemented Interfaces:

CIter<R>, Metadatable, AutoCloseable, Iterator<R>

public class BatchMapperIterator<T,R>
extends WrappedIterator<R>

Field Summary

Fields inherited from class com.baidu.hugegraph.iterator.WrappedIterator

current

Constructor Summary

Constructors

Constructor and Description
BatchMapperIterator(int batch, Iterator<T> origin, java.util.function.Function<List<T>,Iterator<R>> mapper)

Method Summary

Modifier and Type	Method and Description
protected boolean	fetch()
protected boolean	fetchFromBatch()
protected List<T>	nextBatch()
protected Iterator<T>	originIterator()
protected void	resetBatchIterator()

Methods inherited from class com.baidu.hugegraph.iterator.WrappedIterator

close, close, hasNext, metadata, next, none, 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

BatchMapperIterator

public BatchMapperIterator(int batch,
                           Iterator<T> origin,
                           java.util.function.Function<List<T>,Iterator<R>> mapper)

Method Detail

originIterator

protected Iterator<T> originIterator()

Specified by:

originIterator in class WrappedIterator<R>

fetch

protected final boolean fetch()

Specified by:

fetch in class WrappedIterator<R>

nextBatch

protected final List<T> nextBatch()

fetchFromBatch

protected final boolean fetchFromBatch()

resetBatchIterator

protected final void resetBatchIterator()