net.sourceforge.neurosdbm.db
Class ArtistAlbumMDB

java.lang.Object
  net.sourceforge.neurosdbm.db.MDB
      net.sourceforge.neurosdbm.db.ArtistAlbumMDB

public final class ArtistAlbumMDB

extends MDB

Field Summary

protected Word	attributes
private Database	database
protected Word	db_ID
protected DisplayData	db_Name
private boolean	dirtyData
protected java.lang.String	fileName
protected java.util.Map	keysToMDBRecordsMap
protected java.util.Map	keysToWordPointersMap
protected int	nextKey
protected WordPointer	nullPtr
protected Word	numOfFieldsPerRecord
protected Word	numOfKeys
private PAI	pai
protected WordString	parentDBFilename
protected WordPointerToDisplayData	pDB_Name
protected WordPointerToWordString	pParentDBFilename
protected Rule[]	pRules
protected WordPointer	pXIM
protected WordPointer	recordStart
private ArtistAlbumSAI	sai
protected Word	status
protected boolean	useDBname
protected byte[]	ximData

Constructor Summary

ArtistAlbumMDB(Database database, java.lang.String fileName)

ArtistAlbumMDB(Database database, java.lang.String fileName, boolean createEmpty)

Method Summary

private void	calculateInformation()
(package private) void	computeHeaderPointers() This function computes the pointers used in the header.
(package private) void	confirmData()
private void	createEmptyDatabase()
(package private) void	dataChanged()
(package private) void	deleteRecord(int key)
(package private) void	generatePointers() Regenerate the whole artist/album structure instead of storing it.
(package private) int	getKey(WordPointer ptr)
(package private) MDBRecord	getMDBRecord(int key)
(package private) MDBRecord	getMDBRecord(java.lang.Integer key) Returns the MDB record given the key from this object's MDB database.
(package private) WordPointer	getPointer(int key)
private void	loadExistingDatabase()
protected int	numAccessKeys()
protected int	numExtraInfo()
protected void	parseMDBHeader(java.nio.ByteBuffer bytes)
(package private) void	setPAISAI(PAI pai, ArtistAlbumSAI sai)
java.lang.String	toString()
(package private) void	write()
protected void	write(NIOFile file)

Methods inherited from class java.lang.Object

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

Field Detail

database

private Database database

sai

private ArtistAlbumSAI sai

pai

private PAI pai

dirtyData

private boolean dirtyData

fileName

protected java.lang.String fileName

attributes

protected Word attributes

useDBname

protected boolean useDBname

status

protected Word status

numOfKeys

protected Word numOfKeys

numOfFieldsPerRecord

protected Word numOfFieldsPerRecord

recordStart

protected WordPointer recordStart

pXIM

protected WordPointer pXIM

db_ID

protected Word db_ID

pDB_Name

protected WordPointerToDisplayData pDB_Name

pParentDBFilename

protected WordPointerToWordString pParentDBFilename

pRules

protected Rule[] pRules

db_Name

protected DisplayData db_Name

parentDBFilename

protected WordString parentDBFilename

ximData

protected byte[] ximData

nullPtr

protected WordPointer nullPtr

keysToMDBRecordsMap

protected java.util.Map keysToMDBRecordsMap

keysToWordPointersMap

protected java.util.Map keysToWordPointersMap

nextKey

protected int nextKey

Constructor Detail

ArtistAlbumMDB

public ArtistAlbumMDB(Database database,
                      java.lang.String fileName)
               throws java.io.FileNotFoundException,
                      java.io.IOException,
                      DatabaseCorruptException

ArtistAlbumMDB

public ArtistAlbumMDB(Database database,
                      java.lang.String fileName,
                      boolean createEmpty)
               throws java.io.FileNotFoundException,
                      java.io.IOException,
                      DatabaseCorruptException

Method Detail

loadExistingDatabase

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

Throws:

java.io.FileNotFoundException

java.io.IOException

DatabaseCorruptException

createEmptyDatabase

private void createEmptyDatabase()
                          throws DatabaseCorruptException

Throws:

DatabaseCorruptException

setPAISAI

void setPAISAI(PAI pai,
               ArtistAlbumSAI sai)

write

void write()
     throws java.io.IOException,
            DatabaseInternalCorruptionException

Overrides:

write in class MDB

Throws:

java.io.IOException

DatabaseInternalCorruptionException

dataChanged

void dataChanged()

confirmData

void confirmData()

calculateInformation

private void calculateInformation()

generatePointers

void generatePointers()

Regenerate the whole artist/album structure instead of storing it.

Overrides:

generatePointers in class MDB

parseMDBHeader

protected void parseMDBHeader(java.nio.ByteBuffer bytes)

write

protected void write(NIOFile file)
              throws java.io.IOException,
                     DatabaseInternalCorruptionException

Throws:

java.io.IOException

DatabaseInternalCorruptionException

numAccessKeys

protected int numAccessKeys()

numExtraInfo

protected int numExtraInfo()

computeHeaderPointers

void computeHeaderPointers()

This function computes the pointers used in the header.

getMDBRecord

MDBRecord getMDBRecord(java.lang.Integer key)

Returns the MDB record given the key from this object's MDB database. The MDB record will have to be downcasted to a specific MDB record type.

Parameters:

key - The key!

Returns:

The record!

getMDBRecord

MDBRecord getMDBRecord(int key)

getKey

int getKey(WordPointer ptr)

getPointer

WordPointer getPointer(int key)

deleteRecord

void deleteRecord(int key)

toString

public java.lang.String toString()