Package com.db4o.internal.marshall

Class AbstractReadContext

java.lang.Object

com.db4o.internal.AbstractBufferContext

com.db4o.internal.marshall.AbstractReadContext

All Implemented Interfaces:

HandlerVersionContext, InternalReadContext, BufferContext, Context, ReadBuffer, ReadContext

Direct Known Subclasses:

ObjectHeaderContext, QueryingReadContext

public abstract class AbstractReadContext
extends AbstractBufferContext
implements InternalReadContext

Field Summary

Fields

Modifier and Type	Field	Description
protected ActivationDepth	_activationDepth

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	AbstractReadContext(Transaction transaction)
protected	AbstractReadContext(Transaction transaction, ReadBuffer buffer)

Method Summary

Modifier and Type	Method	Description
ActivationDepth	activationDepth()
void	activationDepth(ActivationDepth depth)
boolean	lastReferenceReadWasReallyNull()
void	notifyNullReferenceSkipped()
protected boolean	peekPersisted()
java.lang.Object	read(TypeHandler4 handlerType)
java.lang.Object	readAtCurrentSeekPosition(TypeHandler4 handler)
ReadWriteBuffer	readIndirectedBuffer()
java.lang.Object	readObject()	Interprets the current position in the context as an ID and returns the object with this ID.
java.lang.Object	readObject(TypeHandler4 handlerType)	reads sub-objects, in cases where the TypeHandler4 is known.

Methods inherited from class com.db4o.internal.AbstractBufferContext

buffer, buffer, container, handlerVersion, 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, handlerVersion, offset, seek

Methods inherited from interface com.db4o.marshall.ReadBuffer

readBitMap, readByte, readBytes, readInt, readLong

Field Detail

_activationDepth

protected ActivationDepth _activationDepth

Constructor Detail

AbstractReadContext

protected AbstractReadContext(Transaction transaction,
                              ReadBuffer buffer)

AbstractReadContext

protected AbstractReadContext(Transaction transaction)

Method Detail

read

public final java.lang.Object read(TypeHandler4 handlerType)

Specified by:

read in interface InternalReadContext

readObject

public final java.lang.Object readObject(TypeHandler4 handlerType)

Description copied from interface: ReadContext

reads sub-objects, in cases where the TypeHandler4 is known.

Specified by:

readObject in interface ReadContext

readAtCurrentSeekPosition

public java.lang.Object readAtCurrentSeekPosition(TypeHandler4 handler)

Specified by:

readAtCurrentSeekPosition in interface InternalReadContext

readObject

public final java.lang.Object readObject()

Description copied from interface: ReadContext

Interprets the current position in the context as an ID and returns the object with this ID.

Specified by:

readObject in interface ReadContext

Returns:

the object

peekPersisted

protected boolean peekPersisted()

activationDepth

public ActivationDepth activationDepth()

activationDepth

public void activationDepth(ActivationDepth depth)

readIndirectedBuffer

public ReadWriteBuffer readIndirectedBuffer()

Specified by:

readIndirectedBuffer in interface InternalReadContext

lastReferenceReadWasReallyNull

public boolean lastReferenceReadWasReallyNull()

notifyNullReferenceSkipped

public void notifyNullReferenceSkipped()

Specified by:

notifyNullReferenceSkipped in interface InternalReadContext