uk.org.ogsadai.sessions
Class SessionID

java.lang.Object
  |
  +--uk.org.ogsadai.sessions.SessionID

public class SessionID

extends java.lang.Object

An object use to identify a particular session.

This consists of a prefixed identifier string with a value that is guaranteed to be unique within the scope of a single JVM.

Author:

The OGSA-DAI Project Team

Field Summary

private static java.lang.String	COPYRIGHT_NOTICE Copyright statement
private java.lang.String	mIdentifier Identifier string
static java.lang.String	PREFIX Prefix for all session ID identifier strings.

Constructor Summary

SessionID()
Creates a new SessionID that is guaranteed to be unique within the context of a JVM.

SessionID(java.lang.String identifier)
Creates a new SessionID with the specified identifier.

Method Summary

boolean	equals(java.lang.Object obj) Compares the specified object with this session identifier for equality.
int	hashCode() Return a hash code for this object.
java.lang.String	toString() Returns the session identifier string.

Methods inherited from class java.lang.Object

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

Field Detail

COPYRIGHT_NOTICE

private static final java.lang.String COPYRIGHT_NOTICE

Copyright statement

See Also:

Constant Field Values

mIdentifier

private final java.lang.String mIdentifier

Identifier string

PREFIX

public static final java.lang.String PREFIX

Prefix for all session ID identifier strings.

See Also:

Constant Field Values

Constructor Detail

SessionID

public SessionID()

Creates a new SessionID that is guaranteed to be unique within the context of a JVM.

SessionID

public SessionID(java.lang.String identifier)

Creates a new SessionID with the specified identifier. This constructor should only be use to recreate a SessionID representing an existing session.

Parameters:

identifier - The identifier string for a session.

Throws:

java.lang.IllegalArgumentException - if the identifier parameter is null.

Method Detail

toString

public java.lang.String toString()

Returns the session identifier string.

Overrides:

toString in class java.lang.Object

Returns:

session identifier string.

equals

public boolean equals(java.lang.Object obj)

Compares the specified object with this session identifier for equality.

Equality is determined by ensuring the object is a SessionID then performing a "value comparison" of the session identifier string.

Overrides:

equals in class java.lang.Object

Returns:

true if the specified object is a non-null SessionID with an identifier string equal to this session identifier.

See Also:

String.equals(java.lang.Object)

hashCode

public int hashCode()

Return a hash code for this object.

Overrides:

hashCode in class java.lang.Object

Returns:

hash code.

See Also:

String.hashCode()