org.h2.mvstore.type

类 ByteArrayDataType

java.lang.Object

org.h2.mvstore.type.BasicDataType<byte[]>

org.h2.mvstore.type.ByteArrayDataType

所有已实现的接口:

Comparator<byte[]>, DataType<byte[]>

public final class ByteArrayDataType
extends BasicDataType<byte[]>

Class ByteArrayDataType.

作者:

Andrei Tokar

字段概要

字段

限定符和类型	字段和说明
static ByteArrayDataType	INSTANCE

方法概要

限定符和类型	方法和说明
byte[][]	createStorage(int size) Create storage object of array type to hold values
int	getMemory(byte[] data) Calculates the amount of used memory in bytes.
byte[]	read(ByteBuffer buff) Read an object.
void	write(WriteBuffer buff, byte[] data) Write an object.

从类继承的方法 org.h2.mvstore.type.BasicDataType

binarySearch, cast, compare, equals, hashCode, isMemoryEstimationAllowed, read, write

从类继承的方法 java.lang.Object

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

从接口继承的方法 java.util.Comparator

comparing, comparing, comparingDouble, comparingInt, comparingLong, naturalOrder, nullsFirst, nullsLast, reversed, reverseOrder, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

字段详细资料

INSTANCE

public static final ByteArrayDataType INSTANCE

方法详细资料

getMemory

public int getMemory(byte[] data)

从接口复制的说明: DataType

Calculates the amount of used memory in bytes.

指定者:

getMemory 在接口中 DataType<byte[]>

指定者:

getMemory 在类中 BasicDataType<byte[]>

参数:

data - the object

返回:

the used memory

write

public void write(WriteBuffer buff,
                  byte[] data)

从接口复制的说明: DataType

Write an object.

指定者:

write 在接口中 DataType<byte[]>

指定者:

write 在类中 BasicDataType<byte[]>

参数:

buff - the target buffer

data - the value

read

public byte[] read(ByteBuffer buff)

从接口复制的说明: DataType

Read an object.

指定者:

read 在接口中 DataType<byte[]>

指定者:

read 在类中 BasicDataType<byte[]>

参数:

buff - the source buffer

返回:

the object

createStorage

public byte[][] createStorage(int size)

从接口复制的说明: DataType

Create storage object of array type to hold values

参数:

size - number of values to hold

返回:

storage object