Package org.compiere.model

Class AttachmentDBLazyDataSource

java.lang.Object

org.compiere.model.AttachmentDBLazyDataSource

All Implemented Interfaces:

IAttachmentLazyDataSource

public class AttachmentDBLazyDataSource
extends Object
implements IAttachmentLazyDataSource

Lazy loading data source for AttachmentDBLOB

Constructor Summary

Constructors

Constructor	Description
AttachmentDBLazyDataSource(int AD_Attachment_ID, int index, String fileName, String sizeValue)

Method Summary

Modifier and Type	Method	Description
protected void	afterDelete(int deletedIndex)
void	cleanUp()	Clean up resources held
byte[]	getData()	Return a byte array containing the data from the Attachment Entry Usually the implementing class must have a constructor with the variable(s) required for loading later the data
File	getFile()	Get file attachment
InputStream	getInputStream()	Get input stream for attachment entry
long	getSize()	Get size of attachment entry

Methods inherited from class java.lang.Object

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

Constructor Details

AttachmentDBLazyDataSource

public AttachmentDBLazyDataSource(int AD_Attachment_ID,
 int index,
 String fileName,
 String sizeValue)

Parameters:

AD_Attachment_ID - attachment record id

index - attachment entry index (start from 0)

fileName - attachment entry file name

sizeValue - attachment entry uncompress size

Method Details

getData

public byte[] getData()

Description copied from interface: IAttachmentLazyDataSource

Return a byte array containing the data from the Attachment Entry Usually the implementing class must have a constructor with the variable(s) required for loading later the data

Specified by:

getData in interface IAttachmentLazyDataSource

Returns:

byte[] attachment content

getInputStream

public InputStream getInputStream()

Description copied from interface: IAttachmentLazyDataSource

Get input stream for attachment entry

Specified by:

getInputStream in interface IAttachmentLazyDataSource

Returns:

input stream

getFile

public File getFile()

Description copied from interface: IAttachmentLazyDataSource

Get file attachment

Specified by:

getFile in interface IAttachmentLazyDataSource

Returns:

file attachment or null

cleanUp

public void cleanUp()

Description copied from interface: IAttachmentLazyDataSource

Clean up resources held

Specified by:

cleanUp in interface IAttachmentLazyDataSource

getSize

public long getSize()

Description copied from interface: IAttachmentLazyDataSource

Get size of attachment entry

Specified by:

getSize in interface IAttachmentLazyDataSource

Returns:

size

afterDelete

protected void afterDelete(int deletedIndex)