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:

CloseableIterator<RecordReader>, Closeable, Iterator<RecordReader>

public class RecordReaderIterator
extends 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

RecordReaderIterator(RecordReader reader)

Method Summary

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

hasNext, next, remove

Constructor Detail

RecordReaderIterator

public RecordReaderIterator(RecordReader reader)

Method Detail

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in class SingleValueCloseableIterator<RecordReader>

Throws:

IOException