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//
// JMXThreadedEntity.h
// JMX
//
// Created by xant on 9/7/10.
// Copyright 2010 Dyne.org. All rights reserved.
//
//
// This file is part of JMX
//
// JMX is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Foobar is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with JMX. If not, see <http://www.gnu.org/licenses/>.
//
/*!
@header JMXThreadedEntity.h
@abstract Base (abstract) class representing a threaded entity in the JMX world
@discussion Threaded entities are those which require an active runloop to let them produce
a signal at a given frequency. Not all entities need to be threaded, consider
subclassing JMXEntity instead of this class if you don't really need an active thread
to drive production of output signals
@related JMXPin.h
*/
#import "JMXEntity.h"
#import "JMXRunLoop.h"
/*!
* @class JMXThreadedEntity
* @abstract Base class for threaded entitites
* @discussion conforms to protocols: JMXRunLoop
*/
@interface JMXThreadedEntity : JMXEntity < JMXRunLoop > {
@protected
uint64_t previousTimeStamp;
NSNumber *frequency;
BOOL quit;
@private
NSThread *worker;
NSTimer *timer;
JMXOutputPin *frequencyPin;
int64_t stamps[kJMXFpsMaxStamps + 1]; // XXX - 25 should be a constant
int stampCount;
}
/*!
@property frequency
@abstract get/set the frequency at which output signals are delivered
@discussion the frequency affects also how intensively is the runloop
*/
@property (retain) NSNumber *frequency;
// entities should implement this message to trigger
// delivering of signals to all their custom output pins
@end
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