org.axiondb.engine.indexes

Class BaseBTreeIndexLoader

java.lang.Object

org.axiondb.engine.indexes.BaseBTreeIndexLoader

All Implemented Interfaces:

IndexLoader

Direct Known Subclasses:

IntBTreeIndexLoader, ObjectBTreeIndexLoader

public abstract class BaseBTreeIndexLoader
extends java.lang.Object
implements IndexLoader

Version:

$Revision: 1.2 $ $Date: 2005/05/02 22:22:47 $

Field Summary

Fields

Modifier and Type	Field and Description
protected static AxionFileSystem	FS

Constructor Summary

Constructors

Constructor and Description
BaseBTreeIndexLoader()

Method Summary

Modifier and Type	Method and Description
Index	loadIndex(Table table, java.io.File dataDirectory)
protected abstract Index	makeIndex(java.lang.String name, Column col, boolean unique, java.io.File dataDirectory)
abstract void	save(Index ndx, java.io.File dataDirectory)
void	saveIndex(Index index, java.io.File dataDirectory)
abstract void	saveIndexAfterTruncate(Index ndx, java.io.File dataDirectory)

Methods inherited from class java.lang.Object

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

Field Detail

FS

protected static AxionFileSystem FS

Constructor Detail

BaseBTreeIndexLoader

public BaseBTreeIndexLoader()

Method Detail

loadIndex

public Index loadIndex(Table table,
                       java.io.File dataDirectory)
                throws AxionException

Specified by:

loadIndex in interface IndexLoader

Throws:

AxionException

saveIndex

public void saveIndex(Index index,
                      java.io.File dataDirectory)
               throws AxionException

Specified by:

saveIndex in interface IndexLoader

Throws:

AxionException

saveIndexAfterTruncate

public abstract void saveIndexAfterTruncate(Index ndx,
                                            java.io.File dataDirectory)
                                     throws AxionException

Specified by:

saveIndexAfterTruncate in interface IndexLoader

Throws:

AxionException

save

public abstract void save(Index ndx,
                          java.io.File dataDirectory)
                   throws AxionException

Throws:

AxionException

makeIndex

protected abstract Index makeIndex(java.lang.String name,
                                   Column col,
                                   boolean unique,
                                   java.io.File dataDirectory)
                            throws AxionException

Throws:

AxionException