org.terrier.structures

Class FSOMapFileLexiconGeneric.MapFileLexiconIterator<T1,T2 extends org.apache.hadoop.io.WritableComparable<?>>

java.lang.Object

org.terrier.structures.FSOMapFileLexiconGeneric.MapFileLexiconIterator<T1,T2>

All Implemented Interfaces:

Closeable, AutoCloseable, Iterator<Map.Entry<String,LexiconEntry>>

Direct Known Subclasses:

FSOMapFileLexicon.MapFileLexiconIterator

Enclosing class:

FSOMapFileLexiconGeneric<K1,K2 extends org.apache.hadoop.io.WritableComparable>

public abstract static class FSOMapFileLexiconGeneric.MapFileLexiconIterator<T1,T2 extends org.apache.hadoop.io.WritableComparable<?>>
extends Object
implements Iterator<Map.Entry<String,LexiconEntry>>, Closeable

An iterator over the lexicon

Field Summary

Fields

Modifier and Type	Field and Description
protected Iterator<Map.Entry<T2,LexiconEntry>>	parent

Constructor Summary

Constructors

Constructor and Description
MapFileLexiconIterator(Iterator<Map.Entry<T2,LexiconEntry>> _parent) Construct an instance of the class with
MapFileLexiconIterator(String filename, FixedSizeWriteableFactory<T2> keyFactory, FixedSizeWriteableFactory<LexiconEntry> valueFactory) Construct an instance of the class with
MapFileLexiconIterator(String structureName, IndexOnDisk index) Construct an instance of the class with
MapFileLexiconIterator(String structureName, String path, String prefix, FixedSizeWriteableFactory<T2> keyFactory, FixedSizeWriteableFactory<LexiconEntry> valueFactory) Construct an instance of the class with

Method Summary

Modifier and Type	Method and Description
void	close()
boolean	hasNext()
void	remove()

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, next

Field Detail

parent

protected Iterator<Map.Entry<T2 extends org.apache.hadoop.io.WritableComparable<?>,LexiconEntry>> parent

Constructor Detail

MapFileLexiconIterator

public MapFileLexiconIterator(String structureName,
                              IndexOnDisk index)
                       throws IOException

Construct an instance of the class with

Parameters:

structureName -

index -

Throws:

IOException

MapFileLexiconIterator

public MapFileLexiconIterator(String structureName,
                              String path,
                              String prefix,
                              FixedSizeWriteableFactory<T2> keyFactory,
                              FixedSizeWriteableFactory<LexiconEntry> valueFactory)
                       throws IOException

Construct an instance of the class with

Parameters:

structureName -

path -

prefix -

keyFactory -

valueFactory -

Throws:

IOException

MapFileLexiconIterator

public MapFileLexiconIterator(String filename,
                              FixedSizeWriteableFactory<T2> keyFactory,
                              FixedSizeWriteableFactory<LexiconEntry> valueFactory)
                       throws IOException

Construct an instance of the class with

Parameters:

filename -

keyFactory -

valueFactory -

Throws:

IOException

MapFileLexiconIterator

public MapFileLexiconIterator(Iterator<Map.Entry<T2,LexiconEntry>> _parent)

Construct an instance of the class with

Parameters:

_parent -

Method Detail

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<Map.Entry<String,LexiconEntry>>

remove

public void remove()

Specified by:

remove in interface Iterator<Map.Entry<String,LexiconEntry>>

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Throws:

IOException