Package net.timewalker.ffmq4.storage.data.impl.journal

Class AbstractJournalWriteOperation

java.lang.Object

net.timewalker.ffmq4.storage.data.impl.journal.AbstractJournalOperation

net.timewalker.ffmq4.storage.data.impl.journal.AbstractJournalWriteOperation

Direct Known Subclasses:

AbstractMetaDataWriteOperation, DataBlockWriteOperation

public abstract class AbstractJournalWriteOperation
extends AbstractJournalOperation

AbstractJournalWriteOperation

Field Summary

Fields

Modifier and Type	Field	Description
protected long	offset

Fields inherited from class net.timewalker.ffmq4.storage.data.impl.journal.AbstractJournalOperation

TYPE_COMMIT, TYPE_DATA_BLOCK_WRITE, TYPE_META_DATA_BLOCK_WRITE, TYPE_META_DATA_WRITE, TYPE_STORE_EXTEND

Constructor Summary

Constructors

Constructor	Description
AbstractJournalWriteOperation(long transactionId, byte type, long offset)	Constructor

Method Summary

Modifier and Type	Method	Description
long	getOffset()
int	size()	The storage size for this operation
String	toString()
protected void	writeTo(JournalFile journalFile)	Write the operation to the given journal file

Methods inherited from class net.timewalker.ffmq4.storage.data.impl.journal.AbstractJournalOperation

getTransactionId, getType, next, setNext

Methods inherited from class java.lang.Object

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

Field Detail

offset

protected long offset

Constructor Detail

AbstractJournalWriteOperation

public AbstractJournalWriteOperation(long transactionId,
                                     byte type,
                                     long offset)

Constructor

Method Detail

getOffset

public long getOffset()

Returns:

the offset

writeTo

protected void writeTo(JournalFile journalFile)
                throws JournalException

Description copied from class: AbstractJournalOperation

Write the operation to the given journal file

Overrides:

writeTo in class AbstractJournalOperation

Parameters:

journalFile - teh journal file

Throws:

JournalException

size

public int size()

Description copied from class: AbstractJournalOperation

The storage size for this operation

Overrides:

size in class AbstractJournalOperation

toString

public String toString()

Overrides:

toString in class AbstractJournalOperation