com.sun.labs.minion.indexer.dictionary
Class DiskDictionary.LightDiskDictionaryIterator

java.lang.Object
  com.sun.labs.minion.indexer.dictionary.DiskDictionary.LightDiskDictionaryIterator

All Implemented Interfaces:

LightIterator

Enclosing class:

DiskDictionary

public class DiskDictionary.LightDiskDictionaryIterator
extends java.lang.Object
implements LightIterator

A lightweight iterator for this dictionary.

Field Summary

protected DiskDictionary.LookupState	lus
protected int	posn The position in the dictionary.
protected java.lang.Object	prevName The name of the previous entry.

Constructor Summary

DiskDictionary.LightDiskDictionaryIterator()

Method Summary

QueryEntry	getEntry() Gets the entire current entry.
int	getID() Gets the ID of the current entry.
int	getN() Gets the number of postings associated with the entry that the iterator is currently pointing at.
java.lang.Object	getName() Gets the name of the entry that the iterator is currently pointing at.
boolean	next() Advances the iterator to the next entry in the dictionary.

Methods inherited from class java.lang.Object

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

Field Detail

posn

protected int posn

The position in the dictionary.

lus

protected DiskDictionary.LookupState lus

prevName

protected java.lang.Object prevName

The name of the previous entry.

Constructor Detail

DiskDictionary.LightDiskDictionaryIterator

public DiskDictionary.LightDiskDictionaryIterator()

Method Detail

next

public boolean next()

Description copied from interface: LightIterator

Advances the iterator to the next entry in the dictionary.

Specified by:

next in interface LightIterator

Returns:

true if there is such an entry, false otherwise.

getName

public java.lang.Object getName()

Description copied from interface: LightIterator

Gets the name of the entry that the iterator is currently pointing at.

Specified by:

getName in interface LightIterator

Returns:

the name of the current entry.

getN

public int getN()

Description copied from interface: LightIterator

Gets the number of postings associated with the entry that the iterator is currently pointing at.

Specified by:

getN in interface LightIterator

Returns:

the number of postings associated with the current entry.

getEntry

public QueryEntry getEntry()

Description copied from interface: LightIterator

Gets the entire current entry.

Specified by:

getEntry in interface LightIterator

Returns:

the current entry.

getID

public int getID()

Description copied from interface: LightIterator

Gets the ID of the current entry.

Specified by:

getID in interface LightIterator