Package com.db4o.internal.marshall

Class ObjectHeaderContext

java.lang.Object

com.db4o.internal.AbstractBufferContext

com.db4o.internal.marshall.AbstractReadContext

com.db4o.internal.marshall.ObjectHeaderContext

All Implemented Interfaces:

AspectVersionContext, HandlerVersionContext, InternalReadContext, MarshallingInfo, BufferContext, Context, ReadBuffer, ReadContext

Direct Known Subclasses:

CollectIdContext, DeleteContextImpl, ObjectIdContextImpl, ObjectReferenceContext

public class ObjectHeaderContext
extends AbstractReadContext
implements MarshallingInfo, HandlerVersionContext

Field Summary

Fields

Modifier and Type	Field	Description
protected ObjectHeader	_objectHeader

Fields inherited from class com.db4o.internal.marshall.AbstractReadContext

_activationDepth

Constructor Summary

Constructors

Constructor	Description
ObjectHeaderContext(Transaction transaction, ReadBuffer buffer, ObjectHeader objectHeader)

Method Summary

Modifier and Type	Method	Description
void	beginSlot()
ClassMetadata	classMetadata()
int	declaredAspectCount()
void	declaredAspectCount(int count)
int	handlerVersion()
ObjectHeaderAttributes	headerAttributes()
boolean	isNull(int fieldIndex)
void	restoreState(ContextState state)
ContextState	saveState()

Methods inherited from class com.db4o.internal.marshall.AbstractReadContext

activationDepth, activationDepth, lastReferenceReadWasReallyNull, notifyNullReferenceSkipped, peekPersisted, read, readAtCurrentSeekPosition, readIndirectedBuffer, readObject, readObject

Methods inherited from class com.db4o.internal.AbstractBufferContext

buffer, buffer, container, isLegacyHandlerVersion, objectContainer, offset, readBitMap, readByte, readBytes, readInt, readLong, seek, slotFormat, transaction

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.db4o.marshall.Context

objectContainer, transaction

Methods inherited from interface com.db4o.internal.marshall.HandlerVersionContext

slotFormat

Methods inherited from interface com.db4o.internal.marshall.InternalReadContext

buffer, buffer, container, offset, seek

Methods inherited from interface com.db4o.internal.marshall.MarshallingInfo

buffer

Methods inherited from interface com.db4o.marshall.ReadBuffer

readBitMap, readByte, readBytes, readInt, readLong

Field Detail

_objectHeader

protected ObjectHeader _objectHeader

Constructor Detail

ObjectHeaderContext

public ObjectHeaderContext(Transaction transaction,
                           ReadBuffer buffer,
                           ObjectHeader objectHeader)

Method Detail

headerAttributes

public final ObjectHeaderAttributes headerAttributes()

isNull

public final boolean isNull(int fieldIndex)

Specified by:

isNull in interface MarshallingInfo

handlerVersion

public int handlerVersion()

Specified by:

handlerVersion in interface HandlerVersionContext

Specified by:

handlerVersion in interface InternalReadContext

Specified by:

handlerVersion in class AbstractBufferContext

beginSlot

public void beginSlot()

Specified by:

beginSlot in interface MarshallingInfo

saveState

public ContextState saveState()

restoreState

public void restoreState(ContextState state)

classMetadata

public ClassMetadata classMetadata()

Specified by:

classMetadata in interface MarshallingInfo

declaredAspectCount

public int declaredAspectCount()

Specified by:

declaredAspectCount in interface AspectVersionContext

declaredAspectCount

public void declaredAspectCount(int count)

Specified by:

declaredAspectCount in interface AspectVersionContext