Package com.github.tobato.fastdfs.service

Interface GenerateStorageClient

All Known Subinterfaces:

AppendFileStorageClient, FastFileStorageClient

All Known Implementing Classes:

DefaultAppendFileStorageClient, DefaultFastFileStorageClient, DefaultGenerateStorageClient

public interface GenerateStorageClient

基本文件存储客户端操作

Author:

tobato

Method Summary

Modifier and Type	Method	Description
void	deleteFile(String groupName, String path)	删除文件
<T> T	downloadFile(String groupName, String path, long fileOffset, long fileSize, DownloadCallback<T> callback)	下载文件片段
<T> T	downloadFile(String groupName, String path, DownloadCallback<T> callback)	下载整个文件
Set<MetaData>	getMetadata(String groupName, String path)	获取文件元信息
void	mergeMetadata(String groupName, String path, Set<MetaData> metaDataSet)	修改文件元信息（合并）
void	overwriteMetadata(String groupName, String path, Set<MetaData> metaDataSet)	修改文件元信息（覆盖）
FileInfo	queryFileInfo(String groupName, String path)	查看文件的信息
StorePath	uploadFile(String groupName, InputStream inputStream, long fileSize, String fileExtName)	上传文件(文件不可修改)
StorePath	uploadSlaveFile(String groupName, String masterFilename, InputStream inputStream, long fileSize, String prefixName, String fileExtName)	上传从文件

Method Details

uploadFile

StorePath uploadFile(String groupName,
 InputStream inputStream,
 long fileSize,
 String fileExtName)

上传文件(文件不可修改)

 文件上传后不可以修改，如果要修改则删除以后重新上传
 

Parameters:

groupName -

inputStream -

fileSize -

fileExtName -

Returns:

uploadSlaveFile

StorePath uploadSlaveFile(String groupName,
 String masterFilename,
 InputStream inputStream,
 long fileSize,
 String prefixName,
 String fileExtName)

上传从文件

Parameters:

groupName -

masterFilename -

inputStream -

fileSize -

prefixName -

fileExtName -

Returns:

getMetadata

Set<MetaData> getMetadata(String groupName,
 String path)

获取文件元信息

Parameters:

groupName -

path -

Returns:

overwriteMetadata

void overwriteMetadata(String groupName,
 String path,
 Set<MetaData> metaDataSet)

修改文件元信息（覆盖）

Parameters:

groupName -

path -

metaDataSet -

mergeMetadata

void mergeMetadata(String groupName,
 String path,
 Set<MetaData> metaDataSet)

修改文件元信息（合并）

Parameters:

groupName -

path -

metaDataSet -

queryFileInfo

FileInfo queryFileInfo(String groupName,
 String path)

查看文件的信息

Parameters:

groupName -

path -

Returns:

deleteFile

void deleteFile(String groupName,
 String path)

删除文件

Parameters:

groupName -

path -

downloadFile

<T> T downloadFile(String groupName,
 String path,
 DownloadCallback<T> callback)

下载整个文件

Parameters:

groupName -

path -

callback -

Returns:

downloadFile

<T> T downloadFile(String groupName,
 String path,
 long fileOffset,
 long fileSize,
 DownloadCallback<T> callback)

下载文件片段

Parameters:

groupName -

path -

fileOffset -

fileSize -

callback -

Returns: