issrg.pba.rbac
Class SystemClock

java.lang.Object
  issrg.pba.rbac.Time
      issrg.pba.rbac.Clock
          issrg.pba.rbac.SystemClock

All Implemented Interfaces:

java.lang.Comparable

public class SystemClock
extends Clock

This class is the simplest implementation of the Clock interface and returns just system time to the caller. Note that this might not be secure enough for certain applications.

Field Summary

Fields inherited from class issrg.pba.rbac.Time

log, s_defaultTimeZone, TIME_TYPE

Constructor Summary

SystemClock()

Method Summary

java.util.Date	getTime() This method returns the time that was at the last call to latch() method.
java.util.Date	latch() Sets the time for the next calls to getTime and returns the current system time.

Methods inherited from class issrg.pba.rbac.Clock

getEvaluationTime

Methods inherited from class issrg.pba.rbac.Time

calendarToTime, calendarToTime, compareTo, equals, getDefaultTimeZone, parse, register, setDefaultTimeZone, setDefaultTimeZone, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

SystemClock

public SystemClock()

Method Detail

getTime

public java.util.Date getTime()

This method returns the time that was at the last call to latch() method. If latch() wasn't called at all, it is called at this time.

Specified by:

getTime in class Clock

Returns:

the time returned by the last call to latch

latch

public java.util.Date latch()

Sets the time for the next calls to getTime and returns the current system time.

Specified by:

latch in class Clock

Returns:

the time as set on the local conputer