Package org.teiid.hdfs

Class HdfsVirtualFile

java.lang.Object

org.teiid.hdfs.HdfsVirtualFile

All Implemented Interfaces:

VirtualFile

public class HdfsVirtualFile
extends Object
implements VirtualFile

Constructor Summary

Constructors

Constructor	Description
HdfsVirtualFile(org.apache.hadoop.fs.FileSystem fileSystem, org.apache.hadoop.fs.FileStatus fileStatus)

Method Summary

Modifier and Type	Method	Description
long	getCreationTime()	The creation time in UTC milliseconds
long	getLastModified()	The last modified time in UTC milliseconds
String	getName()	Get the file name
String	getPath()	The full virtual path to the file including file name It is not well-defined if this must start with a leading /
long	getSize()	The size in bytes.
boolean	isDirectory()
InputStream	openInputStream(boolean lock)	Open a stream for reading
OutputStream	openOutputStream(boolean lock)	Open a stream for writing

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.teiid.file.VirtualFile

createInputStreamFactory, getStorageMode

Constructor Detail

HdfsVirtualFile

public HdfsVirtualFile(org.apache.hadoop.fs.FileSystem fileSystem,
                       org.apache.hadoop.fs.FileStatus fileStatus)

Method Detail

isDirectory

public boolean isDirectory()

Specified by:

isDirectory in interface VirtualFile

getPath

public String getPath()

Description copied from interface: VirtualFile

The full virtual path to the file including file name It is not well-defined if this must start with a leading /

Specified by:

getPath in interface VirtualFile

Returns:

getName

public String getName()

Description copied from interface: VirtualFile

Get the file name

Specified by:

getName in interface VirtualFile

openInputStream

public InputStream openInputStream(boolean lock)
                            throws IOException

Description copied from interface: VirtualFile

Open a stream for reading

Specified by:

openInputStream in interface VirtualFile

Parameters:

lock - true if a lock is requested. It's up to the implementation whether to actually honor the lock.

Throws:

IOException

openOutputStream

public OutputStream openOutputStream(boolean lock)
                              throws IOException

Description copied from interface: VirtualFile

Open a stream for writing

Specified by:

openOutputStream in interface VirtualFile

Parameters:

lock - true if a lock is requested. It's up to the implementation whether to actually honor the lock.

Throws:

IOException

getLastModified

public long getLastModified()

Description copied from interface: VirtualFile

The last modified time in UTC milliseconds

Specified by:

getLastModified in interface VirtualFile

getCreationTime

public long getCreationTime()

Description copied from interface: VirtualFile

The creation time in UTC milliseconds

Specified by:

getCreationTime in interface VirtualFile

getSize

public long getSize()

Description copied from interface: VirtualFile

The size in bytes.

Specified by:

getSize in interface VirtualFile

Returns:

the size or -1 if unknown.