Package io.camunda.zeebe.logstreams.impl.log

Class LogStreamBatchWriterImpl

java.lang.Object

io.camunda.zeebe.logstreams.impl.log.LogStreamBatchWriterImpl

All Implemented Interfaces:

LogStreamBatchWriter, LogStreamBatchWriter.LogEntryBuilder, LogStreamWriter

public final class LogStreamBatchWriterImpl
extends Object
implements LogStreamBatchWriter, LogStreamBatchWriter.LogEntryBuilder

Nested Class Summary

Nested classes/interfaces inherited from interface io.camunda.zeebe.logstreams.log.LogStreamBatchWriter

LogStreamBatchWriter.LogEntryBuilder

Method Summary

Modifier and Type	Method	Description
void	copyExistingEventToBuffer()
LogStreamBatchWriter	done()	Add the log entry to the batch.
LogStreamBatchWriter.LogEntryBuilder	event()	Returns the builder to add a new log entry to the batch.
int	getMaxFragmentLength()
LogStreamBatchWriter.LogEntryBuilder	key(long key)	Set the log entry key.
LogStreamBatchWriter.LogEntryBuilder	keyNull()	Use the default values as key.
LogStreamBatchWriter.LogEntryBuilder	metadata(org.agrona.DirectBuffer buffer)	Set the log entry metadata.
LogStreamBatchWriter.LogEntryBuilder	metadata(org.agrona.DirectBuffer buffer, int offset, int length)	Set the log entry metadata.
LogStreamBatchWriter.LogEntryBuilder	metadataWriter(BufferWriter writer)	Set the log entry metadata.
void	reset()	Discard all non-written batch data.
LogStreamBatchWriter.LogEntryBuilder	sourceIndex(int index)	Can be used if command and event, which is caused by this command is written in batch.
LogStreamBatchWriter	sourceRecordPosition(long position)	Set the source event for all log entries.
long	tryWrite()	Attempts to write the event to the underlying stream.
LogStreamBatchWriter.LogEntryBuilder	value(org.agrona.DirectBuffer value)	Set the log entry value.
LogStreamBatchWriter.LogEntryBuilder	value(org.agrona.DirectBuffer value, int valueOffset, int valueLength)	Set the log entry value.
LogStreamBatchWriter.LogEntryBuilder	valueWriter(BufferWriter writer)	Set the log entry value.

Methods inherited from class java.lang.Object

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

Method Details

sourceRecordPosition

public LogStreamBatchWriter sourceRecordPosition(long position)

Description copied from interface: LogStreamBatchWriter

Set the source event for all log entries.

Specified by:

sourceRecordPosition in interface LogStreamBatchWriter

event

public LogStreamBatchWriter.LogEntryBuilder event()

Description copied from interface: LogStreamBatchWriter

Returns the builder to add a new log entry to the batch.

Specified by:

event in interface LogStreamBatchWriter

getMaxFragmentLength

public int getMaxFragmentLength()

Specified by:

getMaxFragmentLength in interface LogStreamBatchWriter

reset

public void reset()

Description copied from interface: LogStreamBatchWriter

Discard all non-written batch data.

Specified by:

reset in interface LogStreamBatchWriter

keyNull

public LogStreamBatchWriter.LogEntryBuilder keyNull()

Description copied from interface: LogStreamBatchWriter.LogEntryBuilder

Use the default values as key.

Specified by:

keyNull in interface LogStreamBatchWriter.LogEntryBuilder

key

public LogStreamBatchWriter.LogEntryBuilder key(long key)

Description copied from interface: LogStreamBatchWriter.LogEntryBuilder

Set the log entry key.

Specified by:

key in interface LogStreamBatchWriter.LogEntryBuilder

sourceIndex

public LogStreamBatchWriter.LogEntryBuilder sourceIndex(int index)

Description copied from interface: LogStreamBatchWriter.LogEntryBuilder

Can be used if command and event, which is caused by this command is written in batch.

Specified by:

sourceIndex in interface LogStreamBatchWriter.LogEntryBuilder

Parameters:

index - the index in this batch

metadata

public LogStreamBatchWriter.LogEntryBuilder metadata(org.agrona.DirectBuffer buffer,
 int offset,
 int length)

Description copied from interface: LogStreamBatchWriter.LogEntryBuilder

Set the log entry metadata.

Specified by:

metadata in interface LogStreamBatchWriter.LogEntryBuilder

metadata

public LogStreamBatchWriter.LogEntryBuilder metadata(org.agrona.DirectBuffer buffer)

Description copied from interface: LogStreamBatchWriter.LogEntryBuilder

Set the log entry metadata.

Specified by:

metadata in interface LogStreamBatchWriter.LogEntryBuilder

metadataWriter

public LogStreamBatchWriter.LogEntryBuilder metadataWriter(BufferWriter writer)

Description copied from interface: LogStreamBatchWriter.LogEntryBuilder

Set the log entry metadata.

Specified by:

metadataWriter in interface LogStreamBatchWriter.LogEntryBuilder

value

public LogStreamBatchWriter.LogEntryBuilder value(org.agrona.DirectBuffer value,
 int valueOffset,
 int valueLength)

Description copied from interface: LogStreamBatchWriter.LogEntryBuilder

Set the log entry value.

Specified by:

value in interface LogStreamBatchWriter.LogEntryBuilder

value

public LogStreamBatchWriter.LogEntryBuilder value(org.agrona.DirectBuffer value)

Description copied from interface: LogStreamBatchWriter.LogEntryBuilder

Set the log entry value.

Specified by:

value in interface LogStreamBatchWriter.LogEntryBuilder

valueWriter

public LogStreamBatchWriter.LogEntryBuilder valueWriter(BufferWriter writer)

Description copied from interface: LogStreamBatchWriter.LogEntryBuilder

Set the log entry value.

Specified by:

valueWriter in interface LogStreamBatchWriter.LogEntryBuilder

done

public LogStreamBatchWriter done()

Description copied from interface: LogStreamBatchWriter.LogEntryBuilder

Add the log entry to the batch.

Specified by:

done in interface LogStreamBatchWriter.LogEntryBuilder

copyExistingEventToBuffer

public void copyExistingEventToBuffer()

tryWrite

public long tryWrite()

Description copied from interface: LogStreamWriter

Attempts to write the event to the underlying stream.

Specified by:

tryWrite in interface LogStreamWriter

Returns:

the event position or a negative value if fails to write the event