io.zeebe.logstreams.impl

Class LogEntryDescriptor

java.lang.Object

io.zeebe.logstreams.impl.LogEntryDescriptor

public class LogEntryDescriptor
extends Object

*

   0                   1                   2                   3
   0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  |            VERSION             |              R               |
  +---------------------------------------------------------------+
  |                            POSITION                           |
  |                                                               |
  +---------------------------------------------------------------+
  |                           RAFT TERM ID                        |
  +---------------------------------------------------------------+
  |                           PRODUCER ID                         |
  +---------------------------------------------------------------+
  |                      SOURCE EVENT POSITION                    |
  |                                                               |
  +---------------------------------------------------------------+
  |                               KEY                             |
  |                                                               |
  +---------------------------------------------------------------+
  |                           TIMESTAMP                           |
  |                                                               |
  +---------------------------------------------------------------+
  |        METADATA LENGTH         |       unused                 |
  +---------------------------------------------------------------+
  |                         ...METADATA...                        |
  +---------------------------------------------------------------+
  |                           ...VALUE...                         |
  +---------------------------------------------------------------+
 

Field Summary

Fields

Modifier and Type	Field and Description
static int	HEADER_BLOCK_LENGTH
static long	KEY_NULL_VALUE
static int	KEY_OFFSET
static int	METADATA_LENGTH_OFFSET
static int	METADATA_OFFSET
static int	POSITION_OFFSET
static int	PRODUCER_ID_OFFSET
static int	RAFT_TERM_OFFSET
static int	SOURCE_EVENT_POSITION_OFFSET
static int	TIMESTAMP_OFFSET
static int	VERSION_OFFSET

Constructor Summary

Constructors

Constructor and Description
LogEntryDescriptor()

Method Summary

Modifier and Type	Method and Description
static int	getFragmentLength(org.agrona.DirectBuffer buffer, int offset)
static long	getKey(org.agrona.DirectBuffer buffer, int offset)
static short	getMetadataLength(org.agrona.DirectBuffer buffer, int offset)
static long	getPosition(org.agrona.DirectBuffer buffer, int offset)
static int	getProducerId(org.agrona.DirectBuffer buffer, int offset)
static int	getRaftTerm(org.agrona.DirectBuffer buffer, int offset)
static long	getSourceEventPosition(org.agrona.DirectBuffer buffer, int offset)
static long	getTimestamp(org.agrona.DirectBuffer buffer, int offset)
static int	headerLength(int metadataLength)
static int	keyOffset(int offset)
static int	metadataLengthOffset(int offset)
static int	metadataOffset(int offset)
static int	positionOffset(int offset)
static int	producerIdOffset(int offset)
static int	raftTermOffset(int offset)
static void	setKey(org.agrona.MutableDirectBuffer buffer, int offset, long key)
static void	setMetadataLength(org.agrona.MutableDirectBuffer buffer, int offset, short metadataLength)
static void	setPosition(org.agrona.MutableDirectBuffer buffer, int offset, long position)
static void	setProducerId(org.agrona.MutableDirectBuffer buffer, int offset, int producerId)
static void	setRaftTerm(org.agrona.MutableDirectBuffer buffer, int offset, int raftTerm)
static void	setSourceEventPosition(org.agrona.MutableDirectBuffer buffer, int offset, long sourceEventPosition)
static void	setTimestamp(org.agrona.MutableDirectBuffer buffer, int offset, long timestamp)
static int	sourceEventPositionOffset(int offset)
static int	timestampOffset(int offset)
static int	valueOffset(int offset, int metadataLength)

Methods inherited from class java.lang.Object

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

Field Detail

KEY_NULL_VALUE

public static final long KEY_NULL_VALUE

See Also:

Constant Field Values

VERSION_OFFSET

public static final int VERSION_OFFSET

POSITION_OFFSET

public static final int POSITION_OFFSET

RAFT_TERM_OFFSET

public static final int RAFT_TERM_OFFSET

PRODUCER_ID_OFFSET

public static final int PRODUCER_ID_OFFSET

SOURCE_EVENT_POSITION_OFFSET

public static final int SOURCE_EVENT_POSITION_OFFSET

KEY_OFFSET

public static final int KEY_OFFSET

TIMESTAMP_OFFSET

public static final int TIMESTAMP_OFFSET

METADATA_LENGTH_OFFSET

public static final int METADATA_LENGTH_OFFSET

HEADER_BLOCK_LENGTH

public static final int HEADER_BLOCK_LENGTH

METADATA_OFFSET

public static final int METADATA_OFFSET

Constructor Detail

LogEntryDescriptor

public LogEntryDescriptor()

Method Detail

getFragmentLength

public static int getFragmentLength(org.agrona.DirectBuffer buffer,
                                    int offset)

headerLength

public static int headerLength(int metadataLength)

positionOffset

public static int positionOffset(int offset)

raftTermOffset

public static int raftTermOffset(int offset)

getPosition

public static long getPosition(org.agrona.DirectBuffer buffer,
                               int offset)

setPosition

public static void setPosition(org.agrona.MutableDirectBuffer buffer,
                               int offset,
                               long position)

getRaftTerm

public static int getRaftTerm(org.agrona.DirectBuffer buffer,
                              int offset)

setRaftTerm

public static void setRaftTerm(org.agrona.MutableDirectBuffer buffer,
                               int offset,
                               int raftTerm)

producerIdOffset

public static int producerIdOffset(int offset)

getProducerId

public static int getProducerId(org.agrona.DirectBuffer buffer,
                                int offset)

setProducerId

public static void setProducerId(org.agrona.MutableDirectBuffer buffer,
                                 int offset,
                                 int producerId)

sourceEventPositionOffset

public static int sourceEventPositionOffset(int offset)

getSourceEventPosition

public static long getSourceEventPosition(org.agrona.DirectBuffer buffer,
                                          int offset)

setSourceEventPosition

public static void setSourceEventPosition(org.agrona.MutableDirectBuffer buffer,
                                          int offset,
                                          long sourceEventPosition)

keyOffset

public static int keyOffset(int offset)

getKey

public static long getKey(org.agrona.DirectBuffer buffer,
                          int offset)

setKey

public static void setKey(org.agrona.MutableDirectBuffer buffer,
                          int offset,
                          long key)

timestampOffset

public static int timestampOffset(int offset)

getTimestamp

public static long getTimestamp(org.agrona.DirectBuffer buffer,
                                int offset)

setTimestamp

public static void setTimestamp(org.agrona.MutableDirectBuffer buffer,
                                int offset,
                                long timestamp)

metadataLengthOffset

public static int metadataLengthOffset(int offset)

getMetadataLength

public static short getMetadataLength(org.agrona.DirectBuffer buffer,
                                      int offset)

setMetadataLength

public static void setMetadataLength(org.agrona.MutableDirectBuffer buffer,
                                     int offset,
                                     short metadataLength)

metadataOffset

public static int metadataOffset(int offset)

valueOffset

public static int valueOffset(int offset,
                              int metadataLength)