drcl.comp
Class ACARuntime

java.lang.Object
  drcl.DrclObj
      drcl.comp.ForkManager
          drcl.comp.ACARuntime

All Implemented Interfaces:

java.lang.Cloneable, ObjectDuplicable, java.io.Serializable

Direct Known Subclasses:

ARuntime, SESimulator, SESimulatorOld

public abstract class ACARuntime

extends ForkManager

Defines the interface of an ACA runtime.

See Also:

Serialized Form

Field Summary

boolean	debug
static ACARuntime	DEFAULT_RUNTIME
boolean	logenabled
protected java.lang.String	name
boolean	resetting Whether the runtime is in resetting or not.
protected java.lang.String	state
static java.lang.String	State_INACTIVE State of no thread running or waiting to be started.
static java.lang.String	State_RUNNING State of have threads running.
static java.lang.String	State_SUSPENDED State of system suspended.
protected static java.io.FileWriter	tf
protected double	timeScale
protected double	timeScaleReciprocal
protected TraceManager	tr
protected java.util.Vector	vStateListener

Fields inherited from class drcl.comp.ForkManager

parent, runtime

Constructor Summary

ACARuntime()

ACARuntime(java.lang.String name_)

Method Summary

protected abstract double	_getTime() Asynchronized version of getTime(), for diagnosis.
protected void	_openlog()
protected abstract void	_stop(boolean block_)
java.lang.String	a_info() Asynchronous version of diag().
abstract java.lang.String	a_info(boolean listWaitingTasks_) Asynchronous version of diag(boolean).
void	addDebugLevel(java.lang.String trace_)
void	addRunnable(double later_, Port port_, java.lang.Runnable task_)
void	addRunnable(double later_, java.lang.Runnable task_)
void	addRunnableAt(double time_, Port port_, java.lang.Runnable task_)
void	addRunnableAt(double time_, java.lang.Runnable task_)
void	addStateListener(java.beans.PropertyChangeListener l_)
protected void	childManager(ForkManager child_, double time_) Sets up an event for childManager.
boolean	containsDebugLevel(java.lang.String trace_)
java.lang.String	debug_info()
java.lang.String	diag() Returns more detailed information of this runtime, for diagnosis purpose.
java.lang.String	diag(boolean listWaitingTasks_) Returns more detailed information of this runtime, for diagnosis purpose.
protected void	finalized()
java.lang.String[]	getAllDebugLevels()
java.beans.PropertyChangeListener[]	getAllStateListeners()
abstract java.lang.Object	getEventQueue()
abstract double	getEventRate() Returns the event processing rate of this runtime.
java.lang.String	getName()
abstract long	getNumberOfArrivalEvents() Returns the number of arrival events.
ForkManager	getParent()
java.lang.String	getState()
protected WorkerThread	getThread() Returns the current thread context.
double	getTime() Returns the system current time in second.
double	getTimeScale()
abstract long	getWallTimeElapsed() Returns the actual time (in ms) for which this runtime has participated.
abstract java.lang.String	info() Returns general information of this runtime.
boolean	isDebugEnabled()
boolean	isDebugEnabledAt(java.lang.String which_)
boolean	isIdle() Returns true if the runtime is stopped (inactive or suspended) or running but all working threads are waiting.
boolean	isRunning() Returns true if the runtime is running.
boolean	isStopped() Returns true if the runtime is either inactive or suspended.
boolean	isSuspended() Returns true if the runtime is suspended.
protected abstract void	newTask(Task task_, WorkerThread current_) The only way to trigger new tasks to be executed.
void	notifyStateListeners(java.beans.PropertyChangeEvent e_)
protected abstract void	off(ACATimer handle_) Cancels a fork event.
protected void	process(WorkerThread current_, double now_) For a parent fork manager to notify its child manager of processing expired fork events.
void	reboot()
protected ACATimer	receive(Port p_, java.lang.Object evt_, double duration_) Sets up a "receive" event.
protected ACATimer	receiveAt(Port p_, java.lang.Object evt_, double time_) Sets up a "receive" event.
void	removeDebugLevel(java.lang.String trace_)
void	removeStateListener(java.beans.PropertyChangeListener l_)
abstract void	reset() The workerpool enters a transitional period when reset() is issued.
abstract void	resume() Resumes the system.
void	resumeFor(double later_) Resumes the system and lets it run for the time duration specified.
void	resumeTo(double time_) Resumes the system and lets it run for the time duration specified.
protected ACATimer	send(Port p_, java.lang.Object evt_, double duration_) Sets up a "send" event.
protected ACATimer	sendAt(Port p_, java.lang.Object evt_, double time_) Sets up a "send" event.
void	setDebugEnabled(boolean enabled_)
void	setDebugEnabledAt(java.lang.String level_, boolean enabled_)
void	setDebugLevels(java.lang.String[] traces_)
void	setMaxWorkforce(int maxwf_)
void	setName(java.lang.String name_)
void	setParent(ForkManager parent_)
void	setRuntime(ACARuntime runtime_)
protected void	setState(java.lang.String new_)
void	setTimeScale(double e_) Time scale is the ratio of wall time over system time.
void	stop() Stops the system.
void	stop(double later_) Stops the system at the time specified later.
void	stopAt(double time_) Stops the system at the time specified.
java.lang.String	t_info()
protected abstract java.lang.String	t_info(java.lang.String prefix_)
void	takeover(Component c_) Takes over as the fork manager of the component system under c_.
void	takeover(java.lang.Object[] oo_)
java.lang.String	toString()
java.lang.String	tr_info()

Methods inherited from class drcl.comp.ForkManager

a_list, getRuntime, info, list, takeover

Methods inherited from class drcl.DrclObj

clone, duplicate

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_RUNTIME

public static final ACARuntime DEFAULT_RUNTIME

State_INACTIVE

public static final java.lang.String State_INACTIVE

State of no thread running or waiting to be started.

See Also:

Constant Field Values

State_RUNNING

public static final java.lang.String State_RUNNING

State of have threads running.

See Also:

Constant Field Values

State_SUSPENDED

public static final java.lang.String State_SUSPENDED

State of system suspended.

See Also:

Constant Field Values

debug

public boolean debug

name

protected java.lang.String name

state

protected java.lang.String state

timeScale

protected double timeScale

timeScaleReciprocal

protected double timeScaleReciprocal

resetting

public transient boolean resetting

Whether the runtime is in resetting or not.

logenabled

public boolean logenabled

tf

protected static java.io.FileWriter tf

vStateListener

protected transient java.util.Vector vStateListener

tr

protected TraceManager tr

Constructor Detail

ACARuntime

public ACARuntime()

ACARuntime

public ACARuntime(java.lang.String name_)

Method Detail

toString

public java.lang.String toString()

Overrides:

toString in class ForkManager

takeover

public void takeover(java.lang.Object[] oo_)

takeover

public void takeover(Component c_)

Description copied from class: ForkManager

Takes over as the fork manager of the component system under c_.

Overrides:

takeover in class ForkManager

newTask

protected abstract void newTask(Task task_,
                                WorkerThread current_)

The only way to trigger new tasks to be executed.

_openlog

protected void _openlog()

setTimeScale

public void setTimeScale(double e_)

Time scale is the ratio of wall time over system time.

getTimeScale

public double getTimeScale()

setName

public void setName(java.lang.String name_)

Overrides:

setName in class ForkManager

getName

public java.lang.String getName()

Overrides:

getName in class ForkManager

setMaxWorkforce

public void setMaxWorkforce(int maxwf_)

info

public abstract java.lang.String info()

Returns general information of this runtime.

diag

public java.lang.String diag()

Returns more detailed information of this runtime, for diagnosis purpose.

diag

public java.lang.String diag(boolean listWaitingTasks_)

Returns more detailed information of this runtime, for diagnosis purpose.

a_info

public java.lang.String a_info()

Asynchronous version of diag().

a_info

public abstract java.lang.String a_info(boolean listWaitingTasks_)

Asynchronous version of diag(boolean).

Specified by:

a_info in class ForkManager

addRunnable

public final void addRunnable(double later_,
                              java.lang.Runnable task_)

addRunnableAt

public final void addRunnableAt(double time_,
                                java.lang.Runnable task_)

addRunnable

public final void addRunnable(double later_,
                              Port port_,
                              java.lang.Runnable task_)

addRunnableAt

public final void addRunnableAt(double time_,
                                Port port_,
                                java.lang.Runnable task_)

getNumberOfArrivalEvents

public abstract long getNumberOfArrivalEvents()

Returns the number of arrival events.

getEventRate

public abstract double getEventRate()

Returns the event processing rate of this runtime.

getThread

protected WorkerThread getThread()

Returns the current thread context.

getTime

public double getTime()

Returns the system current time in second.

_getTime

protected abstract double _getTime()

Asynchronized version of getTime(), for diagnosis. Subclasses should override this method to provide its own time mapping function.

stop

public final void stop()

Stops the system. The state must be SUSPENDED when the method returns.

_stop

protected abstract void _stop(boolean block_)

resume

public abstract void resume()

Resumes the system. The state must advance to RUNNING when this method returns.

stop

public final void stop(double later_)

Stops the system at the time specified later.

stopAt

public final void stopAt(double time_)

Stops the system at the time specified.

resumeFor

public final void resumeFor(double later_)

Resumes the system and lets it run for the time duration specified. The state must advance to RUNNING when this method returns.

resumeTo

public final void resumeTo(double time_)

Resumes the system and lets it run for the time duration specified. The state must advance to RUNNING when this method returns.

reset

public abstract void reset()

The workerpool enters a transitional period when reset() is issued. It waits for all the working thread to either finishes the job or goes into sleep. After all the threads finish jobs, it releases all the threads by kill()ing them.

Overrides:

reset in class ForkManager

getWallTimeElapsed

public abstract long getWallTimeElapsed()

Returns the actual time (in ms) for which this runtime has participated.

t_info

public java.lang.String t_info()

t_info

protected abstract java.lang.String t_info(java.lang.String prefix_)

reboot

public void reboot()

addStateListener

public void addStateListener(java.beans.PropertyChangeListener l_)

removeStateListener

public void removeStateListener(java.beans.PropertyChangeListener l_)

getAllStateListeners

public java.beans.PropertyChangeListener[] getAllStateListeners()

notifyStateListeners

public void notifyStateListeners(java.beans.PropertyChangeEvent e_)

getState

public java.lang.String getState()

setState

protected void setState(java.lang.String new_)

isRunning

public boolean isRunning()

Returns true if the runtime is running.

isStopped

public boolean isStopped()

Returns true if the runtime is either inactive or suspended.

isSuspended

public boolean isSuspended()

Returns true if the runtime is suspended.

isIdle

public boolean isIdle()

Returns true if the runtime is stopped (inactive or suspended) or running but all working threads are waiting.

tr_info

public java.lang.String tr_info()

setDebugEnabled

public void setDebugEnabled(boolean enabled_)

Overrides:

setDebugEnabled in class ForkManager

isDebugEnabled

public boolean isDebugEnabled()

Overrides:

isDebugEnabled in class ForkManager

isDebugEnabledAt

public boolean isDebugEnabledAt(java.lang.String which_)

getAllDebugLevels

public java.lang.String[] getAllDebugLevels()

setDebugLevels

public void setDebugLevels(java.lang.String[] traces_)

addDebugLevel

public void addDebugLevel(java.lang.String trace_)

removeDebugLevel

public void removeDebugLevel(java.lang.String trace_)

containsDebugLevel

public boolean containsDebugLevel(java.lang.String trace_)

setDebugEnabledAt

public void setDebugEnabledAt(java.lang.String level_,
                              boolean enabled_)

debug_info

public java.lang.String debug_info()

finalized

protected void finalized()

receive

protected ACATimer receive(Port p_,
                           java.lang.Object evt_,
                           double duration_)

Description copied from class: ForkManager

Sets up a "receive" event.

Specified by:

receive in class ForkManager

Returns:

a handle to cancel the event.

receiveAt

protected ACATimer receiveAt(Port p_,
                             java.lang.Object evt_,
                             double time_)

Description copied from class: ForkManager

Sets up a "receive" event.

Specified by:

receiveAt in class ForkManager

Returns:

a handle to cancel the event.

send

protected ACATimer send(Port p_,
                        java.lang.Object evt_,
                        double duration_)

Description copied from class: ForkManager

Sets up a "send" event.

Specified by:

send in class ForkManager

Returns:

a handle to cancel the event.

sendAt

protected ACATimer sendAt(Port p_,
                          java.lang.Object evt_,
                          double time_)

Description copied from class: ForkManager

Sets up a "send" event.

Specified by:

sendAt in class ForkManager

Returns:

a handle to cancel the event.

childManager

protected void childManager(ForkManager child_,
                            double time_)

Description copied from class: ForkManager

Sets up an event for childManager. A child manager calls this method of its parent to sets itself up in parent's event queue.

Specified by:

childManager in class ForkManager

process

protected void process(WorkerThread current_,
                       double now_)

Description copied from class: ForkManager

For a parent fork manager to notify its child manager of processing expired fork events.

Specified by:

process in class ForkManager

getParent

public ForkManager getParent()

Overrides:

getParent in class ForkManager

setParent

public void setParent(ForkManager parent_)

Overrides:

setParent in class ForkManager

setRuntime

public void setRuntime(ACARuntime runtime_)

Overrides:

setRuntime in class ForkManager

off

protected abstract void off(ACATimer handle_)

Description copied from class: ForkManager

Cancels a fork event.

Specified by:

off in class ForkManager

getEventQueue

public abstract java.lang.Object getEventQueue()