Package org.apache.activemq.artemis.core.journal.impl.dataformat

Class JournalCompleteRecordTX

java.lang.Object

org.apache.activemq.artemis.core.journal.impl.dataformat.JournalInternalRecord

org.apache.activemq.artemis.core.journal.impl.dataformat.JournalCompleteRecordTX

All Implemented Interfaces:

EncodingSupport

public class JournalCompleteRecordTX
extends JournalInternalRecord

A transaction record (Commit or Prepare), will hold the number of elements the transaction has in the current file.

While loading the JournalFile, the number of operations found is matched against this number. If for any reason there are missing operations, the transaction will be ignored.

We can't just use a global counter as reclaiming could delete files after the transaction was successfully committed. That also means not having a whole file on journal-reload doesn't mean we have to invalidate the transaction

The commit operation itself is not included in this total.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	JournalCompleteRecordTX.TX_RECORD_TYPE

Field Summary

Fields inherited from class org.apache.activemq.artemis.core.journal.impl.dataformat.JournalInternalRecord

compactCount, fileID

Constructor Summary

Constructors

Constructor	Description
JournalCompleteRecordTX(JournalCompleteRecordTX.TX_RECORD_TYPE isCommit, long txID, EncodingSupport transactionData)

Method Summary

Modifier and Type	Method	Description
void	encode(org.apache.activemq.artemis.api.core.ActiveMQBuffer buffer)
int	getEncodeSize()
int	getNumberOfRecords()
void	setNumberOfRecords(int records)

Methods inherited from class org.apache.activemq.artemis.core.journal.impl.dataformat.JournalInternalRecord

decode, getCompactCount, getFileID, setCompactCount, setFileID

Methods inherited from class java.lang.Object

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

Constructor Detail

JournalCompleteRecordTX

public JournalCompleteRecordTX(JournalCompleteRecordTX.TX_RECORD_TYPE isCommit,
                               long txID,
                               EncodingSupport transactionData)

Method Detail

encode

public void encode(org.apache.activemq.artemis.api.core.ActiveMQBuffer buffer)

setNumberOfRecords

public void setNumberOfRecords(int records)

Overrides:

setNumberOfRecords in class JournalInternalRecord

getNumberOfRecords

public int getNumberOfRecords()

Overrides:

getNumberOfRecords in class JournalInternalRecord

getEncodeSize

public int getEncodeSize()

Specified by:

getEncodeSize in interface EncodingSupport

Specified by:

getEncodeSize in class JournalInternalRecord