Package org.apache.iotdb.db.wal.checkpoint

Class Checkpoint

java.lang.Object

org.apache.iotdb.db.wal.checkpoint.Checkpoint

All Implemented Interfaces:

SerializedSize

public class Checkpoint
extends java.lang.Object
implements SerializedSize

Checkpoint is the basic element of .checkpoint file, including type, number of memTables, and brief information of each memTable.

Constructor Summary

Constructors

Constructor	Description
Checkpoint(CheckpointType type, java.util.List<MemTableInfo> memTableInfos)

Method Summary

Modifier and Type	Method	Description
static Checkpoint	deserialize(java.io.DataInputStream stream)
boolean	equals(java.lang.Object obj)
java.util.List<MemTableInfo>	getMemTableInfos()
CheckpointType	getType()
void	serialize(java.nio.ByteBuffer buffer)
int	serializedSize()	Calculate size after serialization.

Methods inherited from class java.lang.Object

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

Constructor Detail

Checkpoint

public Checkpoint(CheckpointType type,
                  java.util.List<MemTableInfo> memTableInfos)

Method Detail

serializedSize

public int serializedSize()

Description copied from interface: SerializedSize

Calculate size after serialization.

Specified by:

serializedSize in interface SerializedSize

Returns:

bytes number

serialize

public void serialize(java.nio.ByteBuffer buffer)

deserialize

public static Checkpoint deserialize(java.io.DataInputStream stream)
                              throws java.io.IOException

Throws:

java.io.IOException

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

getType

public CheckpointType getType()

getMemTableInfos

public java.util.List<MemTableInfo> getMemTableInfos()