cascading.tap.hadoop.io

Class RecordReaderIterator

java.lang.Object

cascading.util.SingleValueIterator<Value>

cascading.util.SingleValueCloseableIterator<RecordReader>

cascading.tap.hadoop.io.RecordReaderIterator

All Implemented Interfaces:

cascading.util.CloseableIterator<RecordReader>, java.io.Closeable, java.lang.AutoCloseable, java.util.Iterator<RecordReader>

public class RecordReaderIterator
extends cascading.util.SingleValueCloseableIterator<RecordReader>

RecordReaderIterator is a utility class for handing off a single RecordReader instance via the Iterator.

This class is frequently used with the TupleEntrySchemeIterator where there is only one RecordReader to iterate values over.

Field Summary

Fields inherited from class cascading.util.SingleValueIterator

EMPTY, value

Constructor Summary

Constructors

Constructor and Description
RecordReaderIterator(RecordReader reader)

Method Summary

Modifier and Type	Method and Description
void	close()

Methods inherited from class cascading.util.SingleValueCloseableIterator

getCloseableInput

Methods inherited from class cascading.util.SingleValueIterator

hasNext, next, remove, reset

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, hasNext, next, remove

Constructor Detail

RecordReaderIterator

public RecordReaderIterator(RecordReader reader)

Method Detail

close

public void close()
           throws java.io.IOException

Specified by:

close in interface java.io.Closeable

Specified by:

close in interface java.lang.AutoCloseable

Specified by:

close in class cascading.util.SingleValueCloseableIterator<RecordReader>

Throws:

java.io.IOException