net.sourceforge.neurosdbm.db
Class PAI

java.lang.Object
  net.sourceforge.neurosdbm.db.PAI

Direct Known Subclasses:

PlaylistPAI

public class PAI

extends java.lang.Object

Field Summary

private java.lang.String	fileName
protected java.util.Map	keysToPAIRecordsMap
protected java.util.Map	keysToWordPointersMap
private MDB	mdb
protected int	nextKey
protected java.util.ArrayList	paiKeysArrayList

Constructor Summary

protected	PAI(java.lang.String fileName, boolean createEmpty, MDB mdb)
protected	PAI(java.lang.String fileName, MDB mdb)

Method Summary

(package private) int	addNewRecord(int keyToAdd)
(package private) void	addNewRecord(int keyToAdd, int paiKey)
(package private) void	createEmptyDatabase()
(package private) int	createNewRecord()
(package private) void	deleteEntry(int paiKey)
(package private) boolean	deleteRecord(int paiKey, int mdbKey)
(package private) void	generatePointers()
(package private) int	getKey(WordPointer ptr)
(package private) WordPointer	getPointer(int key)
(package private) PAIRecord	getRecord(int key)
private void	loadExistingDatabase(MDB mdb)
protected int	parsePAIHeader(java.nio.ByteBuffer bytes)
(package private) void	reorder(java.util.ArrayList newArrayList, int key)
java.lang.String	toString()
(package private) void	write()

Methods inherited from class java.lang.Object

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

Field Detail

paiKeysArrayList

protected java.util.ArrayList paiKeysArrayList

keysToPAIRecordsMap

protected java.util.Map keysToPAIRecordsMap

keysToWordPointersMap

protected java.util.Map keysToWordPointersMap

mdb

private MDB mdb

fileName

private java.lang.String fileName

nextKey

protected int nextKey

Constructor Detail

PAI

protected PAI(java.lang.String fileName,
              MDB mdb)
       throws java.io.FileNotFoundException,
              java.io.IOException,
              DatabaseCorruptException

PAI

protected PAI(java.lang.String fileName,
              boolean createEmpty,
              MDB mdb)
       throws java.io.FileNotFoundException,
              java.io.IOException,
              DatabaseCorruptException

Method Detail

loadExistingDatabase

private void loadExistingDatabase(MDB mdb)
                           throws java.io.FileNotFoundException,
                                  java.io.IOException,
                                  DatabaseCorruptException

Throws:

java.io.FileNotFoundException

java.io.IOException

DatabaseCorruptException

createEmptyDatabase

void createEmptyDatabase()

parsePAIHeader

protected int parsePAIHeader(java.nio.ByteBuffer bytes)
                      throws DatabaseCorruptException

Throws:

DatabaseCorruptException

write

void write()
     throws java.io.IOException

Throws:

java.io.IOException

createNewRecord

int createNewRecord()

addNewRecord

int addNewRecord(int keyToAdd)

addNewRecord

void addNewRecord(int keyToAdd,
                  int paiKey)
            throws DatabaseInternalCorruptionException

Throws:

DatabaseInternalCorruptionException

generatePointers

void generatePointers()

getKey

int getKey(WordPointer ptr)

getPointer

WordPointer getPointer(int key)

deleteRecord

boolean deleteRecord(int paiKey,
                     int mdbKey)

deleteEntry

void deleteEntry(int paiKey)

getRecord

PAIRecord getRecord(int key)

reorder

void reorder(java.util.ArrayList newArrayList,
             int key)

toString

public java.lang.String toString()