org.terrier.structures.collections
Class FSArrayFile.ArrayFileIterator<V extends org.apache.hadoop.io.Writable>

java.lang.Object
  org.terrier.structures.collections.FSArrayFile.ArrayFileIterator<V>

Type Parameters:

V -

All Implemented Interfaces:

Closeable, Iterator<V>, Skipable

Direct Known Subclasses:

FSADocumentIndex.FSADocumentIndexIterator

Enclosing class:

FSArrayFile<V extends org.apache.hadoop.io.Writable>

public static class FSArrayFile.ArrayFileIterator<V extends org.apache.hadoop.io.Writable>
extends Object
implements Iterator<V>, Closeable, Skipable

ArrayFileIterator class

Constructor Summary

FSArrayFile.ArrayFileIterator(Index index, String structureName)
constructor

FSArrayFile.ArrayFileIterator(String filename, FixedSizeWriteableFactory<V> _valueFactory)
constructor

Method Summary

void	close()
boolean	hasNext()
V	next()
void	remove()
void	skip(int numEntries) Skip forward the specified number of entries.

Methods inherited from class java.lang.Object

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

Constructor Detail

FSArrayFile.ArrayFileIterator

public FSArrayFile.ArrayFileIterator(Index index,
                                     String structureName)
                              throws IOException

constructor

Parameters:

index -

structureName -

Throws:

IOException

FSArrayFile.ArrayFileIterator

public FSArrayFile.ArrayFileIterator(String filename,
                                     FixedSizeWriteableFactory<V> _valueFactory)
                              throws IOException

constructor

Parameters:

filename -

_valueFactory -

Throws:

IOException

Method Detail

skip

public void skip(int numEntries)
          throws IOException

Skip forward the specified number of entries. Should be followed by a next() call.

Specified by:

skip in interface Skipable

Parameters:

numEntries - number of entries to skip

Throws:

IOException - if an IO problem occurs.

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<V extends org.apache.hadoop.io.Writable>

next

public V next()

Specified by:

next in interface Iterator<V extends org.apache.hadoop.io.Writable>

remove

public void remove()

Specified by:

remove in interface Iterator<V extends org.apache.hadoop.io.Writable>

close

public void close()

Specified by:

close in interface Closeable