org.apache.flink.runtime.io.disk

Class FileBasedBufferIterator

java.lang.Object

org.apache.flink.runtime.io.disk.FileBasedBufferIterator

All Implemented Interfaces:

AutoCloseable, Iterator<Buffer>, CloseableIterator<Buffer>

@Internal
public class FileBasedBufferIterator
extends Object
implements CloseableIterator<Buffer>

CloseableIterator of buffers over file content.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.flink.util.CloseableIterator

CloseableIterator.IteratorAdapter<E>

Field Summary

Fields inherited from interface org.apache.flink.util.CloseableIterator

EMPTY_INSTANCE

Constructor Summary

Constructors

Constructor and Description
FileBasedBufferIterator(RefCountedFile file, int bytesToRead, int bufferSize)

Method Summary

Modifier and Type	Method and Description
void	close()
boolean	hasNext()
Buffer	next()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.flink.util.CloseableIterator

adapterForIterator, adapterForIterator, empty, flatten, fromList, ofElement, ofElements

Methods inherited from interface java.util.Iterator

forEachRemaining, remove

Constructor Detail

FileBasedBufferIterator

public FileBasedBufferIterator(RefCountedFile file,
                               int bytesToRead,
                               int bufferSize)
                        throws FileNotFoundException

Throws:

FileNotFoundException

Method Detail

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<Buffer>

next

public Buffer next()

Specified by:

next in interface Iterator<Buffer>

close

public void close()
           throws Exception

Specified by:

close in interface AutoCloseable

Throws:

Exception