Package com.db4o.internal.fileheader

Class NewFileHeaderBase

java.lang.Object

com.db4o.internal.fileheader.FileHeader

com.db4o.internal.fileheader.NewFileHeaderBase

Direct Known Subclasses:

FileHeader1, FileHeader2

public abstract class NewFileHeaderBase
extends FileHeader

Field Summary

Fields

Modifier and Type	Field	Description
protected TimerFileLock	_timerFileLock
protected FileHeaderVariablePart	_variablePart
protected static int	ACCESS_TIME_OFFSET
protected static int	HEADER_LOCK_OFFSET
protected static int	OPEN_TIME_OFFSET
protected static byte[]	SIGNATURE

Fields inherited from class com.db4o.internal.fileheader.FileHeader

TRANSACTION_POINTER_LENGTH

Constructor Summary

Constructors

Constructor	Description
NewFileHeaderBase()

Method Summary

Modifier and Type	Method	Description
protected void	checkThreadFileLock(LocalObjectContainer container, ByteArrayBuffer reader)
void	close()
java.lang.Runnable	commit(boolean shuttingDown)
void	completeInterruptedTransaction(LocalObjectContainer container)
protected abstract NewFileHeaderBase	createNew()
abstract FileHeaderVariablePart	createVariablePart(LocalObjectContainer file)
void	initNew(LocalObjectContainer file)
protected FileHeader	newOnSignatureMatch(LocalObjectContainer file, ByteArrayBuffer reader)
protected void	newTimerFileLock(LocalObjectContainer file)
protected void	oldEncryptionOff(LocalObjectContainer file)
void	readIdentity(LocalObjectContainer container)
protected abstract byte	version()
void	writeVariablePart(LocalObjectContainer file, boolean shuttingDown)

Methods inherited from class com.db4o.internal.fileheader.FileHeader

convert, length, lockedByOtherSession, newCurrentFileHeader, read, read, signatureMatches, timeToWrite, writeFixedPart, writeTransactionPointer, writeTransactionPointer, writeVariablePart

Methods inherited from class java.lang.Object

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

Field Detail

SIGNATURE

protected static final byte[] SIGNATURE

HEADER_LOCK_OFFSET

protected static final int HEADER_LOCK_OFFSET

OPEN_TIME_OFFSET

protected static final int OPEN_TIME_OFFSET

ACCESS_TIME_OFFSET

protected static final int ACCESS_TIME_OFFSET

_timerFileLock

protected TimerFileLock _timerFileLock

_variablePart

protected FileHeaderVariablePart _variablePart

Constructor Detail

NewFileHeaderBase

public NewFileHeaderBase()

Method Detail

close

public void close()
           throws Db4oIOException

Specified by:

close in class FileHeader

Throws:

Db4oIOException

newTimerFileLock

protected void newTimerFileLock(LocalObjectContainer file)

createNew

protected abstract NewFileHeaderBase createNew()

version

protected abstract byte version()

initNew

public final void initNew(LocalObjectContainer file)
                   throws Db4oIOException

Specified by:

initNew in class FileHeader

Throws:

Db4oIOException

createVariablePart

public abstract FileHeaderVariablePart createVariablePart(LocalObjectContainer file)

oldEncryptionOff

protected void oldEncryptionOff(LocalObjectContainer file)

writeVariablePart

public final void writeVariablePart(LocalObjectContainer file,
                                    boolean shuttingDown)

Specified by:

writeVariablePart in class FileHeader

newOnSignatureMatch

protected FileHeader newOnSignatureMatch(LocalObjectContainer file,
                                         ByteArrayBuffer reader)

Specified by:

newOnSignatureMatch in class FileHeader

completeInterruptedTransaction

public void completeInterruptedTransaction(LocalObjectContainer container)

Specified by:

completeInterruptedTransaction in class FileHeader

checkThreadFileLock

protected void checkThreadFileLock(LocalObjectContainer container,
                                   ByteArrayBuffer reader)

readIdentity

public void readIdentity(LocalObjectContainer container)

Specified by:

readIdentity in class FileHeader

commit

public java.lang.Runnable commit(boolean shuttingDown)

Specified by:

commit in class FileHeader