io.zeebe.logstreams.log

Class LogStreamBatchWriterImpl

java.lang.Object

io.zeebe.logstreams.log.LogStreamBatchWriterImpl

All Implemented Interfaces:

LogStreamBatchWriter, LogStreamBatchWriter.LogEntryBuilder, LogStreamWriter

public class LogStreamBatchWriterImpl
extends Object
implements LogStreamBatchWriter, LogStreamBatchWriter.LogEntryBuilder

Nested Class Summary

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

LogStreamBatchWriter.LogEntryBuilder

Constructor Summary

Constructors

Constructor and Description
LogStreamBatchWriterImpl()
LogStreamBatchWriterImpl(LogStream logStream)

Method Summary

Modifier and Type	Method and Description
LogStreamBatchWriter	done() Add the log entry to the batch.
LogStreamBatchWriter.LogEntryBuilder	event() Returns the builder to add a new log entry to the batch.
LogStreamBatchWriter.LogEntryBuilder	key(long key) Set the log entry 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.
LogStreamBatchWriter.LogEntryBuilder	positionAsKey() Use the log entry position as key.
LogStreamBatchWriter	producerId(int producerId) Set the producer id for all log entries.
void	reset() Discard all non-written batch data.
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.
void	wrap(LogStream logStream) Initialize the write for the given log stream.

Methods inherited from class java.lang.Object

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

Constructor Detail

LogStreamBatchWriterImpl

public LogStreamBatchWriterImpl()

LogStreamBatchWriterImpl

public LogStreamBatchWriterImpl(LogStream logStream)

Method Detail

wrap

public void wrap(LogStream logStream)

Description copied from interface: LogStreamBatchWriter

Initialize the write for the given log stream.

Specified by:

wrap in interface LogStreamBatchWriter

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

producerId

public LogStreamBatchWriter producerId(int producerId)

Description copied from interface: LogStreamBatchWriter

Set the producer id for all log entries.

Specified by:

producerId 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

positionAsKey

public LogStreamBatchWriter.LogEntryBuilder positionAsKey()

Description copied from interface: LogStreamBatchWriter.LogEntryBuilder

Use the log entry position as key.

Specified by:

positionAsKey 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

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

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

reset

public void reset()

Description copied from interface: LogStreamBatchWriter

Discard all non-written batch data.

Specified by:

reset in interface LogStreamBatchWriter