org.h2.value.lob

类 LobData

java.lang.Object

org.h2.value.lob.LobData

直接已知子类:

LobDataDatabase, LobDataFetchOnDemand, LobDataFile, LobDataInMemory

public abstract class LobData
extends Object

LOB data.

方法概要

限定符和类型	方法和说明
DataHandler	getDataHandler()
abstract InputStream	getInputStream(long precision) Get stream to read LOB data from
int	getMemory() Get the memory used by this object.
boolean	isLinkedToTable()
void	remove(ValueLob value) Remove the underlying resource, if any.

从类继承的方法 java.lang.Object

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

方法详细资料

getInputStream

public abstract InputStream getInputStream(long precision)

Get stream to read LOB data from

参数:

precision - octet length of the stream, or -1 if unknown

返回:

stream to read LOB data from

getDataHandler

public DataHandler getDataHandler()

isLinkedToTable

public boolean isLinkedToTable()

remove

public void remove(ValueLob value)

Remove the underlying resource, if any. For values that are kept fully in memory this method has no effect.

参数:

value - to remove

getMemory

public int getMemory()

Get the memory used by this object.

返回:

the memory used in bytes