Package com.db4o.internal.ids

Class BTreeIdSystem.IdSlotMappingHandler

java.lang.Object

com.db4o.internal.ids.BTreeIdSystem.IdSlotMappingHandler

All Implemented Interfaces:

Comparable4<IdSlotMapping>, Indexable4<IdSlotMapping>, LinkLengthAware

Enclosing class:

BTreeIdSystem

public static class BTreeIdSystem.IdSlotMappingHandler
extends java.lang.Object
implements Indexable4<IdSlotMapping>

Constructor Summary

Constructors

Constructor	Description
IdSlotMappingHandler()

Method Summary

Modifier and Type	Method	Description
void	defragIndexEntry(DefragmentContextImpl context)
int	linkLength()
PreparedComparison	prepareComparison(Context context, IdSlotMapping sourceMapping)	creates a prepared comparison to compare multiple objects against one single object.
IdSlotMapping	readIndexEntry(Context context, ByteArrayBuffer buffer)
void	writeIndexEntry(Context context, ByteArrayBuffer buffer, IdSlotMapping mapping)

Methods inherited from class java.lang.Object

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

Constructor Detail

IdSlotMappingHandler

public IdSlotMappingHandler()

Method Detail

defragIndexEntry

public void defragIndexEntry(DefragmentContextImpl context)

Specified by:

defragIndexEntry in interface Indexable4<IdSlotMapping>

readIndexEntry

public IdSlotMapping readIndexEntry(Context context,
                                    ByteArrayBuffer buffer)

Specified by:

readIndexEntry in interface Indexable4<IdSlotMapping>

writeIndexEntry

public void writeIndexEntry(Context context,
                            ByteArrayBuffer buffer,
                            IdSlotMapping mapping)

Specified by:

writeIndexEntry in interface Indexable4<IdSlotMapping>

prepareComparison

public PreparedComparison prepareComparison(Context context,
                                            IdSlotMapping sourceMapping)

Description copied from interface: Comparable4

creates a prepared comparison to compare multiple objects against one single object.

Specified by:

prepareComparison in interface Comparable4<IdSlotMapping>

Parameters:

context - the context of the comparison

sourceMapping - the object that is to be compared against multiple other objects

Returns:

the prepared comparison

linkLength

public final int linkLength()

Specified by:

linkLength in interface LinkLengthAware