org.yamcs.yarch.rocksdb

Class ColumnValueSerializer

java.lang.Object

org.yamcs.yarch.rocksdb.ColumnValueSerializer

public class ColumnValueSerializer
extends Object

Used in partitioning by value - translates between value (Object) and byte[]

Author:

nm

Field Summary

Fields

Modifier and Type	Field and Description
static byte[]	NULL_VALUE

Constructor Summary

Constructors

Constructor and Description
ColumnValueSerializer(DataType dt)
ColumnValueSerializer(TableDefinition tableDefinition)

Method Summary

Modifier and Type	Method and Description
Object	byteArrayToObject(byte[] b) this is the reverse of the objectToByteArray(Object value)
static int	getSerializedSize(DataType dt) return the size in bytes of the encoded data type if it can be encoded on fixed size, or -1 if not.
byte[]	objectToByteArray(Object value)

Methods inherited from class java.lang.Object

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

Field Detail

NULL_VALUE

public static final byte[] NULL_VALUE

Constructor Detail

ColumnValueSerializer

public ColumnValueSerializer(DataType dt)

ColumnValueSerializer

public ColumnValueSerializer(TableDefinition tableDefinition)

Method Detail

objectToByteArray

public byte[] objectToByteArray(Object value)

byteArrayToObject

public Object byteArrayToObject(byte[] b)

this is the reverse of the objectToByteArray(Object value)

getSerializedSize

public static int getSerializedSize(DataType dt)

return the size in bytes of the encoded data type if it can be encoded on fixed size, or -1 if not.

Parameters:

dt -

Returns: