com.terracottatech.offheapstore.filesystem.impl

Class OffheapFile

java.lang.Object

com.terracottatech.offheapstore.filesystem.impl.OffheapFile

All Implemented Interfaces:

File

public class OffheapFile
extends Object
implements File

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	OffheapFile.ValuePortability

Method Summary

Modifier and Type	Method and Description
SeekableInputStream	getInputStream() Opens a stream for reading data from the file
String	getName() Returns the name of the file
SeekableOutputStream	getOutputStream() Opens a stream for writing data to a file.
long	getSizeInBytes() Returns the total size of the file in bytes
long	lastModifiedTime() Reports the last accessed or modified time for the file.
long	length() Reports the length of the file.
void	setLastModifiedTime(long time) Sets the last modified time for the file.
String	toString()
void	truncate() Erases the contents of the file and sets its length to 0

Methods inherited from class java.lang.Object

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

Method Detail

length

public long length()
            throws IOException

Description copied from interface: File

Reports the length of the file.

Specified by:

length in interface File

Returns:

the length of this file, measured in bytes.

Throws:

IOException - if an I/O error occurs

lastModifiedTime

public long lastModifiedTime()
                      throws IOException

Description copied from interface: File

Reports the last accessed or modified time for the file.

Specified by:

lastModifiedTime in interface File

Returns:

time when the file was last modified.

Throws:

IOException - if an I/O error occurs.

setLastModifiedTime

public void setLastModifiedTime(long time)
                         throws IOException

Description copied from interface: File

Sets the last modified time for the file.

Specified by:

setLastModifiedTime in interface File

Parameters:

time - the time to set

Throws:

IOException - if an I/O error occurs.

getInputStream

public SeekableInputStream getInputStream()
                                   throws IOException

Description copied from interface: File

Opens a stream for reading data from the file

Specified by:

getInputStream in interface File

Returns:

a random access input stream.

Throws:

IOException - if an error occurs while processing the request.

getOutputStream

public SeekableOutputStream getOutputStream()
                                     throws IOException

Description copied from interface: File

Opens a stream for writing data to a file. Only one output stream can be associated with file at any time. Once an output stream is opened on a file, subsequent calls to this method will return the opened stream's cached reference.

Specified by:

getOutputStream in interface File

Returns:

a random access output stream for writing data to a file.

Throws:

IOException - if an output stream is already open or if an I/O error occurs.

toString

public String toString()

Overrides:

toString in class Object

getName

public String getName()

Description copied from interface: File

Returns the name of the file

Specified by:

getName in interface File

Returns:

name of the file

getSizeInBytes

public long getSizeInBytes()

Description copied from interface: File

Returns the total size of the file in bytes

Specified by:

getSizeInBytes in interface File

Returns:

size in bytes

truncate

public void truncate()
              throws IOException

Description copied from interface: File

Erases the contents of the file and sets its length to 0

Specified by:

truncate in interface File

Throws:

IOException - if an I/O error occurs.