org.apache.hudi.common.util.collection

Class CachingIterator<T>

java.lang.Object

org.apache.hudi.common.util.collection.CachingIterator<T>

All Implemented Interfaces:

AutoCloseable, Iterator<T>, ClosableIterator<T>

Direct Known Subclasses:

LogFileIterator

public abstract class CachingIterator<T>
extends Object
implements ClosableIterator<T>

Field Summary

Fields

Modifier and Type	Field and Description
protected T	nextRecord

Constructor Summary

Constructors

Constructor and Description
CachingIterator()

Method Summary

Modifier and Type	Method and Description
protected abstract boolean	doHasNext()
boolean	hasNext()
T	next()
static <U> CachingIterator<U>	wrap(ClosableIterator<U> iterator)
static <U> CachingIterator<U>	wrap(ClosableIterator<U> iterator, HoodieReaderContext<U> readerContext)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.apache.hudi.common.util.collection.ClosableIterator

close, wrap

Methods inherited from interface java.util.Iterator

forEachRemaining, remove

Field Detail

nextRecord

protected T nextRecord

Constructor Detail

CachingIterator

public CachingIterator()

Method Detail

doHasNext

protected abstract boolean doHasNext()

hasNext

public final boolean hasNext()

Specified by:

hasNext in interface Iterator<T>

next

public final T next()

Specified by:

next in interface Iterator<T>

wrap

public static <U> CachingIterator<U> wrap(ClosableIterator<U> iterator)

wrap

public static <U> CachingIterator<U> wrap(ClosableIterator<U> iterator,
                                          HoodieReaderContext<U> readerContext)