org.exolab.jms.persistence
Class PersistentString

java.lang.Object
  org.exolab.core.foundation.PersistentObject
      org.exolab.jms.persistence.PersistentString

All Implemented Interfaces:

java.io.Externalizable, java.io.Serializable, java.lang.Cloneable, org.exolab.core.foundation.PersistentCapableIfc

public class PersistentString
extends org.exolab.core.foundation.PersistentObject
implements java.io.Externalizable

A simple helper class to wrap strings, and make object referenses easier.

Version:

$Revision: 1.7 $ $Date: 2003/08/17 01:32:25 $

Author:

Jim Mourikis

See Also:

Serialized Form

Constructor Summary

PersistentString()
The default constructor initialises an empty String

PersistentString(java.lang.String id)
Initialise to the given String value

Method Summary

boolean	equals(java.lang.Object obj)
int	hashCode()
int	length() Return the length of the internal String
void	readExternal(java.io.ObjectInput stream)
java.lang.String	toString() Return the internal String
void	update(java.lang.String id) Assign the given String value
void	writeExternal(java.io.ObjectOutput stream)

Methods inherited from class org.exolab.core.foundation.PersistentObject

clone, getId, getMinimumObjectSize, getObjectId, getObjectVersion, getVersion, setId, setMinimumObjectSize, setObjectId, setObjectVersion, setVersion

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

PersistentString

public PersistentString()

The default constructor initialises an empty String

PersistentString

public PersistentString(java.lang.String id)

Initialise to the given String value

Parameters:

id - The string to assign

Method Detail

update

public void update(java.lang.String id)

Assign the given String value

Parameters:

id - The string to assign

toString

public java.lang.String toString()

Return the internal String

Overrides:

toString in class java.lang.Object

Returns:

String The internal String

length

public int length()

Return the length of the internal String

Returns:

int The internal String length

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class org.exolab.core.foundation.PersistentObject

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

writeExternal

public void writeExternal(java.io.ObjectOutput stream)
                   throws java.io.IOException

Specified by:

writeExternal in interface java.io.Externalizable

Overrides:

writeExternal in class org.exolab.core.foundation.PersistentObject

Throws:

java.io.IOException

readExternal

public void readExternal(java.io.ObjectInput stream)
                  throws java.io.IOException,
                         java.lang.ClassNotFoundException

Specified by:

readExternal in interface java.io.Externalizable

Overrides:

readExternal in class org.exolab.core.foundation.PersistentObject

Throws:

java.io.IOException

java.lang.ClassNotFoundException