org.h2.mvstore.db

类 LobStorageMap.BlobReference.Type

java.lang.Object

org.h2.mvstore.type.BasicDataType<LobStorageMap.BlobReference>

org.h2.mvstore.db.LobStorageMap.BlobReference.Type

所有已实现的接口:

Comparator<LobStorageMap.BlobReference>, DataType<LobStorageMap.BlobReference>

封闭类:

LobStorageMap.BlobReference

public static final class LobStorageMap.BlobReference.Type
extends BasicDataType<LobStorageMap.BlobReference>

字段概要

字段

限定符和类型	字段和说明
static LobStorageMap.BlobReference.Type	INSTANCE

方法概要

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

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

binarySearch, cast, 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 LobStorageMap.BlobReference.Type INSTANCE

方法详细资料

getMemory

public int getMemory(LobStorageMap.BlobReference blobReference)

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<LobStorageMap.BlobReference>

指定者:

getMemory 在类中 BasicDataType<LobStorageMap.BlobReference>

参数:

blobReference - the object

返回:

the used memory

compare

public int compare(LobStorageMap.BlobReference one,
                   LobStorageMap.BlobReference two)

从接口复制的说明: DataType

Compare two keys.

指定者:

compare 在接口中 Comparator<LobStorageMap.BlobReference>

指定者:

compare 在接口中 DataType<LobStorageMap.BlobReference>

覆盖:

compare 在类中 BasicDataType<LobStorageMap.BlobReference>

参数:

one - the first key

two - the second key

返回:

-1 if the first key is smaller, 1 if larger, and 0 if equal

write

public void write(WriteBuffer buff,
                  LobStorageMap.BlobReference blobReference)

从接口复制的说明: DataType

Write an object.

指定者:

write 在接口中 DataType<LobStorageMap.BlobReference>

指定者:

write 在类中 BasicDataType<LobStorageMap.BlobReference>

参数:

buff - the target buffer

blobReference - the value

read

public LobStorageMap.BlobReference read(ByteBuffer buff)

从接口复制的说明: DataType

Read an object.

指定者:

read 在接口中 DataType<LobStorageMap.BlobReference>

指定者:

read 在类中 BasicDataType<LobStorageMap.BlobReference>

参数:

buff - the source buffer

返回:

the object

createStorage

public LobStorageMap.BlobReference[] 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