Package org.apache.iotdb.db.wal.buffer

Class WALInfoEntry

java.lang.Object

org.apache.iotdb.db.wal.buffer.WALEntry

org.apache.iotdb.db.wal.buffer.WALInfoEntry

All Implemented Interfaces:

SerializedSize

public class WALInfoEntry
extends WALEntry

This entry class stores info for persistence

Field Summary

Fields

Modifier and Type	Field	Description
static int	FIXED_SERIALIZED_SIZE	wal entry type 1 byte, memTable id 8 bytes

Fields inherited from class org.apache.iotdb.db.wal.buffer.WALEntry

memTableId, type, value, walFlushListener

Constructor Summary

Constructors

Constructor	Description
WALInfoEntry(long memTableId, InsertTabletNode value, int tabletStart, int tabletEnd)
WALInfoEntry(long memTableId, InsertTabletPlan value, int tabletStart, int tabletEnd)
WALInfoEntry(long memTableId, WALEntryValue value)
WALInfoEntry(long memTableId, WALEntryValue value, boolean wait)

Method Summary

Modifier and Type	Method	Description
boolean	isSignal()
void	serialize(IWALByteBufferView buffer)
int	serializedSize()	Calculate size after serialization.

Methods inherited from class org.apache.iotdb.db.wal.buffer.WALEntry

deserialize, deserializeForConsensus, equals, getMemTableId, getType, getValue, getWalFlushListener

Methods inherited from class java.lang.Object

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

Field Detail

FIXED_SERIALIZED_SIZE

public static final int FIXED_SERIALIZED_SIZE

wal entry type 1 byte, memTable id 8 bytes

See Also:

Constant Field Values

Constructor Detail

WALInfoEntry

public WALInfoEntry(long memTableId,
                    WALEntryValue value,
                    boolean wait)

WALInfoEntry

public WALInfoEntry(long memTableId,
                    WALEntryValue value)

WALInfoEntry

public WALInfoEntry(long memTableId,
                    InsertTabletPlan value,
                    int tabletStart,
                    int tabletEnd)

WALInfoEntry

public WALInfoEntry(long memTableId,
                    InsertTabletNode value,
                    int tabletStart,
                    int tabletEnd)

Method Detail

serializedSize

public int serializedSize()

Description copied from interface: SerializedSize

Calculate size after serialization.

Returns:

bytes number

serialize

public void serialize(IWALByteBufferView buffer)

Specified by:

serialize in class WALEntry

isSignal

public boolean isSignal()

Specified by:

isSignal in class WALEntry