Package adams.core

Class SerializedObject

java.lang.Object

adams.core.SerializedObject

All Implemented Interfaces:

Serializable

public class SerializedObject
extends Object
implements Serializable

Class for storing an object in serialized form in memory. It can be used to make deep copies of objects, and also allows compression to conserve memory.

Version:

$Revision$

Author:

Richard Kirkby (rbk1@cs.waikato.ac.nz)

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
SerializedObject(Serializable o)	Creates a new serialized object (without compression).
SerializedObject(Serializable o, boolean compress)	Creates a new serialized object.

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object o)	Checks to see whether this object is equal to another.
Object	getObject()	Returns a serialized object.
int	hashCode()	Returns a hashcode for this object.
static Object	read(File file)	Reads the object from the given file.
static Object	read(String filename)	Reads the object from the given file.
int	size()	Returns the size of bytes stored.
static boolean	write(File file, Serializable o)	Writes the object to the given file.
static boolean	write(String filename, Serializable o)	Writes the object to the given file.

Methods inherited from class java.lang.Object

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

Constructor Detail

SerializedObject

public SerializedObject(Serializable o)
                 throws Exception

Creates a new serialized object (without compression).

Parameters:

o - the object to store

Throws:

Exception - if the object couldn't be serialized

SerializedObject

public SerializedObject(Serializable o,
                        boolean compress)
                 throws Exception

Creates a new serialized object.

Parameters:

o - the object to store

compress - whether or not to use compression

Throws:

Exception - if the object couldn't be serialized

Method Detail

equals

public boolean equals(Object o)

Checks to see whether this object is equal to another.

Overrides:

equals in class Object

Parameters:

o - the object to compare to

Returns:

whether or not the objects are equal

hashCode

public int hashCode()

Returns a hashcode for this object.

Overrides:

hashCode in class Object

Returns:

the hashcode

getObject

public Object getObject()

Returns a serialized object.

Returns:

the restored object

size

public int size()

Returns the size of bytes stored.

Returns:

the number of bytes

write

public static boolean write(String filename,
                            Serializable o)

Writes the object to the given file.

Parameters:

filename - the file to write to

o - the object to write

Returns:

true if successfully written

write

public static boolean write(File file,
                            Serializable o)

Writes the object to the given file.

Parameters:

file - the file to write to

o - the object to write

Returns:

true if successfully written

read

public static Object read(String filename)

Reads the object from the given file.

Parameters:

filename - the file to read from

Returns:

if successful the object, otherwise null

read

public static Object read(File file)

Reads the object from the given file.

Parameters:

file - the file to read from

Returns:

if successful the object, otherwise null