org.osgl.aaa.impl

Class SimplePrivilege

java.lang.Object

org.osgl.aaa.impl.AAAObjectBase

org.osgl.aaa.impl.SimplePrivilege

All Implemented Interfaces:

Comparable<Privilege>, AAAObject, Privilege

public class SimplePrivilege
extends AAAObjectBase
implements Privilege

A simple and immutable Privilege implementation

Nested Class Summary

Nested classes/interfaces inherited from interface org.osgl.aaa.Privilege

Privilege.F

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	SimplePrivilege()
	SimplePrivilege(String name, int level)

Method Summary

Modifier and Type	Method and Description
int	compareTo(Privilege b) Compare a privilege to another privilege.
int	getLevel() Returns the level of the privilege.

Methods inherited from class org.osgl.aaa.impl.AAAObjectBase

equals, getName, getProperty, hashCode, propertyKeys, setProperty, toString, unsetProperty

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.osgl.aaa.AAAObject

equals, getName, getProperty, hashCode, propertyKeys, setProperty, toString, unsetProperty

Constructor Detail

SimplePrivilege

protected SimplePrivilege()

SimplePrivilege

public SimplePrivilege(String name,
                       int level)

Method Detail

getLevel

public int getLevel()

Description copied from interface: Privilege

Returns the level of the privilege. Suppose a guarded object require a privilege_A to access. And a user has been granted with privilege_B. The logic of authorization is to compare the level of privilege_A to privilege_B. If privilege_A level is greater than that of privilege_B then the user has no access to the object been guarded. if privilege_A level is equals to or less then that of privilege_B, then the A has access to the object

Specified by:

getLevel in interface Privilege

Returns:

the level of the privilege

compareTo

public int compareTo(Privilege b)

Description copied from interface: Privilege

Compare a privilege to another privilege. The result shall be align to compare the levels of the two privileges

Specified by:

compareTo in interface Comparable<Privilege>

Specified by:

compareTo in interface Privilege

Parameters:

b - the privilege to be compared with this privilege

Returns:

the comparison result of this privilege and privilege b