PATH 的討論

1. gap 並沒有實際的 file, 這是個方法 gap file => Path, 但java的File有太多features是我要當做一個GAP DM file所不須要的, 為了單純化，就不用它了

2.

Method Summary
int	compareTo(java.lang.Object o) Compare this object to another object
boolean	equals(java.lang.Object o) Compare if this object is equal to another object
java.lang.String	getGroup() Get the group associated with the file.
long	getLen()
java.sql.Timestamp	getModificationTime() Get the modification time of the file.
java.lang.String	getOwner() Get the owner of the file.
java.lang.String	getParentID()
net.asgc.gap.dm.fs.Path	getPath() Get the file abosolute path
java.lang.String	getPhysicalPath()
java.lang.String	getSEHost()
java.lang.String	getSEType()
java.lang.String	getUID()
int	hashCode() Returns a hash code value for the object, which is defined as the hash code of the path name.
boolean	isDir() Is this a directory?
void	setGroup(java.lang.String group) Sets group.
void	setLen(long length)
void	setModificationTime(java.sql.Timestamp dt)
void	setOwner(java.lang.String owner) Sets owner.
void	setParentID(java.lang.String pID)
void	setPath(net.asgc.gap.dm.fs.Path p)
void	setPhysicalPath(java.lang.String surl)
void	setSEHost(java.lang.String sh)
void	setSEType(java.lang.String st)

File System Discuss

1. File system 提供方法給使用者, 隱藏了底層的 mataserver 和 driver

2. 目前方法

Method Summary
void	create(java.lang.String type, java.io.File src, net.asgc.gap.dm.fs.Path destFile) Upload a local file object to GAP DM, and should assign a storage type(Driver) to upload
java.io.OutputStream	create(java.lang.String type, net.asgc.gap.dm.fs.Path destFile) Create (Upload) a file to GAP file system
void	create(net.asgc.gap.dm.fs.UploadBeen destFileSet) Create (upload) file list to GAP file system
net.asgc.gap.dm.fs.driver.Driver	getDriver(java.lang.String type) Get driver by key
net.asgc.gap.dm.fs.FileStatus	getFileStatus(net.asgc.gap.dm.fs.Path p) Get the metadata for a file
net.asgc.gap.dm.fs.FileStatus	getTempStatus()
net.asgc.gap.dm.fs.Path	getWorkingDir()
net.asgc.gap.dm.fs.FileStatus[]	listStatus(net.asgc.gap.dm.fs.Path p) Get metadata of all directories and files under a directory
static void	main(java.lang.String[] args)
boolean	mkdirs(net.asgc.gap.dm.fs.Path f) create a directory
java.io.InputStream	open(net.asgc.gap.dm.fs.Path srcDMPath) Open (Download) a file from GAP file system
void	open(net.asgc.gap.dm.fs.Path srcDMPath, net.asgc.gap.dm.fs.Path dest)
void	refreshTempStatus()
boolean	rename(net.asgc.gap.dm.fs.Path src, net.asgc.gap.dm.fs.Path dst)
boolean	setFileStatus(net.asgc.gap.dm.fs.Path destDMPath, net.asgc.gap.dm.fs.FileStatus status) Set(Create) the metadata for a file
void	setWorkingDir(net.asgc.gap.dm.fs.Path workingDir)
boolean	updateFileStatus(net.asgc.gap.dm.fs.FileStatus status) Update the metadata for a file