jtp.util
Class FileObjectStorage

java.lang.Object
  |
  +--jtp.util.FileObjectStorage

All Implemented Interfaces:

ObjectStorage, Serializable

public class FileObjectStorage

extends Object

implements ObjectStorage, Serializable

See Also:

Serialized Form

Nested Class Summary

Nested classes inherited from class jtp.util.ObjectStorage

ObjectStorage.Handle

Field Summary

protected File	file
protected InputStream	in
protected OutputStream	out
protected RandomAccessFile	raf

Constructor Summary

FileObjectStorage(File f)

FileObjectStorage(File f, boolean readOnly)

Method Summary

File	getFile()
boolean	isReadOnly()
Object	retrieveObjectAt(long location)
void	setFile(File f)
long	storeObject(Object o)

Methods inherited from class java.lang.Object

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

Field Detail

file

protected File file

raf

protected transient RandomAccessFile raf

in

protected transient InputStream in

out

protected transient OutputStream out

Constructor Detail

FileObjectStorage

public FileObjectStorage(File f)
                  throws IOException

FileObjectStorage

public FileObjectStorage(File f,
                         boolean readOnly)
                  throws IOException

Method Detail

storeObject

public long storeObject(Object o)
                 throws IOException

Specified by:

storeObject in interface ObjectStorage

IOException

isReadOnly

public boolean isReadOnly()

Specified by:

isReadOnly in interface ObjectStorage

getFile

public File getFile()

setFile

public void setFile(File f)

retrieveObjectAt

public Object retrieveObjectAt(long location)
                        throws IOException

Specified by:

retrieveObjectAt in interface ObjectStorage

IOException