org.jcreme.permissioning
Class Task

java.lang.Object
  org.jcreme.enumerations.Enumeration
      org.jcreme.permissioning.Task

All Implemented Interfaces:

java.lang.Comparable, java.io.Serializable

public class Task

extends Enumeration

A Task represents an action from a functional point of view. It is associated to a purpose that defines the intention of the action. Each task is also associated to a Role. Users that hold that role are the only legitimate Users that can accomplish this Task.

Version:

$Revision: 1.1 $

Author:

$Author: dbregeon $

See Also:

Serialized Form

Field Summary

protected static java.util.Hashtable	fromName
protected Purpose	purpose
protected Role	role
protected java.util.HashSet	subTasks

Fields inherited from class org.jcreme.enumerations.Enumeration

Constructor Summary

protected

Task(java.lang.String name)

Method Summary

void	addSubTask(Task t)
static boolean	contains(java.lang.String name)
static Task	get(java.lang.String name)
protected java.util.Hashtable	getFromName() This method is for internal use only.
Purpose	getPurpose()
Role	getRole()
Task[]	getSubTasks()
static Task[]	getTasks()
static Enumeration[]	getValues() This method enables to retrieve all the possible values of an Enumeration class.
boolean	isLeaf()
boolean	isSubTask(Task t)
static void	remove(java.lang.String name)
void	removeSubTask(Task t)
void	setPurpose(Purpose p)
void	setRole(Role r)

Methods inherited from class org.jcreme.enumerations.Enumeration

compareTo, getName, readResolve, toString

Methods inherited from class java.lang.Object

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

Field Detail

fromName

protected static final java.util.Hashtable fromName

purpose

protected Purpose purpose

subTasks

protected java.util.HashSet subTasks

role

protected Role role

Constructor Detail

Task

protected Task(java.lang.String name)

Method Detail

setPurpose

public void setPurpose(Purpose p)

getPurpose

public Purpose getPurpose()

setRole

public void setRole(Role r)

getRole

public Role getRole()

getSubTasks

public Task[] getSubTasks()

addSubTask

public void addSubTask(Task t)
                throws java.lang.IllegalArgumentException

Throws:

java.lang.IllegalArgumentException

removeSubTask

public void removeSubTask(Task t)

isSubTask

public boolean isSubTask(Task t)

isLeaf

public boolean isLeaf()

get

public static Task get(java.lang.String name)

contains

public static boolean contains(java.lang.String name)

remove

public static void remove(java.lang.String name)

getFromName

protected java.util.Hashtable getFromName()

Description copied from class: Enumeration

This method is for internal use only.

Specified by:

getFromName in class Enumeration

Returns:

the Hashtable that links the enumerated values names with the actual enumerated value.

See Also:

Enumeration.getFromName()

getTasks

public static Task[] getTasks()

getValues

public static Enumeration[] getValues()

Description copied from class: Enumeration

This method enables to retrieve all the possible values of an Enumeration class. This method should be overriden in the subclasses to have the desired result. The method in this class returns an empty array.