Package com.db4o.internal.classindex

Class BTreeClassIndexStrategy

java.lang.Object

com.db4o.internal.classindex.AbstractClassIndexStrategy

com.db4o.internal.classindex.BTreeClassIndexStrategy

All Implemented Interfaces:

ClassIndexStrategy

public class BTreeClassIndexStrategy
extends AbstractClassIndexStrategy

Field Summary

Fields inherited from class com.db4o.internal.classindex.AbstractClassIndexStrategy

_classMetadata

Constructor Summary

Constructors

Constructor	Description
BTreeClassIndexStrategy(ClassMetadata classMetadata)

Method Summary

Modifier and Type	Method	Description
Iterator4	allSlotIDs(Transaction trans)
BTree	btree()
static BTree	btree(ClassMetadata clazz)
void	defragIndex(DefragmentContextImpl context)
void	defragReference(ClassMetadata classMetadata, DefragmentContextImpl context, int classIndexID)
void	dontDelete(Transaction transaction, int id)
int	entryCount(Transaction ta)
int	id()
IntVisitable	idVisitable(Transaction trans)
void	initialize(ObjectContainerBase stream)
protected void	internalAdd(Transaction trans, int id)
protected void	internalRemove(Transaction ta, int id)
static Iterator4	iterate(ClassMetadata clazz, Transaction trans)
void	purge()
void	read(ObjectContainerBase stream, int indexID)
void	traverseIds(Transaction ta, Visitor4 command)	Traverses all index entries (java.lang.Integer references).
int	write(Transaction trans)

Methods inherited from class com.db4o.internal.classindex.AbstractClassIndexStrategy

add, classMetadataID, ownLength, remove

Methods inherited from class java.lang.Object

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

Constructor Detail

BTreeClassIndexStrategy

public BTreeClassIndexStrategy(ClassMetadata classMetadata)

Method Detail

btree

public BTree btree()

entryCount

public int entryCount(Transaction ta)

initialize

public void initialize(ObjectContainerBase stream)

purge

public void purge()

read

public void read(ObjectContainerBase stream,
                 int indexID)

write

public int write(Transaction trans)

traverseIds

public void traverseIds(Transaction ta,
                        Visitor4 command)

Description copied from interface: ClassIndexStrategy

Traverses all index entries (java.lang.Integer references).

internalAdd

protected void internalAdd(Transaction trans,
                           int id)

Specified by:

internalAdd in class AbstractClassIndexStrategy

internalRemove

protected void internalRemove(Transaction ta,
                              int id)

Specified by:

internalRemove in class AbstractClassIndexStrategy

dontDelete

public void dontDelete(Transaction transaction,
                       int id)

defragReference

public void defragReference(ClassMetadata classMetadata,
                            DefragmentContextImpl context,
                            int classIndexID)

id

public int id()

allSlotIDs

public Iterator4 allSlotIDs(Transaction trans)

defragIndex

public void defragIndex(DefragmentContextImpl context)

btree

public static BTree btree(ClassMetadata clazz)

iterate

public static Iterator4 iterate(ClassMetadata clazz,
                                Transaction trans)

idVisitable

public IntVisitable idVisitable(Transaction trans)