io.zeebe.logstreams.impl

Class LoggedEventImpl

java.lang.Object

io.zeebe.logstreams.impl.LoggedEventImpl

All Implemented Interfaces:

ReadableFragment, LoggedEvent

public class LoggedEventImpl
extends Object
implements ReadableFragment, LoggedEvent

Represents the implementation of the logged event.

Field Summary

Fields

Modifier and Type	Field and Description
protected org.agrona.DirectBuffer	buffer
protected int	fragmentOffset
protected int	messageOffset

Constructor Summary

Constructors

Constructor and Description
LoggedEventImpl()

Method Summary

Modifier and Type	Method and Description
org.agrona.DirectBuffer	getBuffer()
int	getFragmentLength()
int	getFragmentOffset()
long	getKey()
int	getMessageLength()
int	getMessageOffset()
org.agrona.DirectBuffer	getMetadata()
short	getMetadataLength()
int	getMetadataOffset()
long	getPosition()
int	getProducerId()
int	getRaftTerm()
long	getSourceEventPosition()
int	getStreamId()
long	getTimestamp()
int	getType()
org.agrona.DirectBuffer	getValueBuffer()
int	getValueLength()
int	getValueOffset()
int	getVersion()
void	readMetadata(BufferReader reader) Wraps the given buffer to read the event's metadata
void	readValue(BufferReader reader) Wraps the given buffer to read the event's value.
String	toString()
void	wrap(org.agrona.DirectBuffer buffer, int offset)

Methods inherited from class java.lang.Object

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

Field Detail

fragmentOffset

protected int fragmentOffset

messageOffset

protected int messageOffset

buffer

protected org.agrona.DirectBuffer buffer

Constructor Detail

LoggedEventImpl

public LoggedEventImpl()

Method Detail

wrap

public void wrap(org.agrona.DirectBuffer buffer,
                 int offset)

getType

public int getType()

Specified by:

getType in interface ReadableFragment

getVersion

public int getVersion()

Specified by:

getVersion in interface ReadableFragment

getMessageLength

public int getMessageLength()

Specified by:

getMessageLength in interface ReadableFragment

getMessageOffset

public int getMessageOffset()

Specified by:

getMessageOffset in interface ReadableFragment

getStreamId

public int getStreamId()

Specified by:

getStreamId in interface ReadableFragment

getBuffer

public org.agrona.DirectBuffer getBuffer()

Specified by:

getBuffer in interface ReadableFragment

getFragmentLength

public int getFragmentLength()

getFragmentOffset

public int getFragmentOffset()

getPosition

public long getPosition()

Specified by:

getPosition in interface LoggedEvent

Returns:

the event's position in the log.

getRaftTerm

public int getRaftTerm()

Specified by:

getRaftTerm in interface LoggedEvent

Returns:

the raft term this event was committed in

getKey

public long getKey()

Specified by:

getKey in interface LoggedEvent

Returns:

the key of the event

getTimestamp

public long getTimestamp()

Specified by:

getTimestamp in interface LoggedEvent

Returns:

the timestamp of the event, the ActorClock current time when the event was written

getMetadata

public org.agrona.DirectBuffer getMetadata()

Specified by:

getMetadata in interface LoggedEvent

Returns:

a buffer containing the event's metadata at offset LoggedEvent.getMetadataOffset() and with length LoggedEvent.getMetadataLength().

getMetadataLength

public short getMetadataLength()

Specified by:

getMetadataLength in interface LoggedEvent

Returns:

the length of the event's metadata

getMetadataOffset

public int getMetadataOffset()

Specified by:

getMetadataOffset in interface LoggedEvent

Returns:

the offset of the event's metadata

readMetadata

public void readMetadata(BufferReader reader)

Description copied from interface: LoggedEvent

Wraps the given buffer to read the event's metadata

Specified by:

readMetadata in interface LoggedEvent

Parameters:

reader - the reader to read into

getValueOffset

public int getValueOffset()

Specified by:

getValueOffset in interface LoggedEvent

Returns:

the buffer offset where the event's value can read from

getValueLength

public int getValueLength()

Specified by:

getValueLength in interface LoggedEvent

Returns:

the length of the event's value

getValueBuffer

public org.agrona.DirectBuffer getValueBuffer()

Specified by:

getValueBuffer in interface LoggedEvent

Returns:

a buffer containing the value of the event at offset LoggedEvent.getValueOffset() ()} and with length LoggedEvent.getValueLength() ()}.

readValue

public void readValue(BufferReader reader)

Description copied from interface: LoggedEvent

Wraps the given buffer to read the event's value.

Specified by:

readValue in interface LoggedEvent

Parameters:

reader - the buffer to read from

getSourceEventPosition

public long getSourceEventPosition()

Specified by:

getSourceEventPosition in interface LoggedEvent

Returns:

the position of the event which causes this event. Returns a negative value if no such an event exists.

getProducerId

public int getProducerId()

Specified by:

getProducerId in interface LoggedEvent

Returns:

the id of the producer which produced this event

toString

public String toString()

Overrides:

toString in class Object