Internal class and control framework Java

Package innerclasses. controller; public abstract class event {private long eventtime; protected final long delaytime;/*** set the maximum latency * @ Param delaytime */public event (long delaytime) {This. delaytime = delaytime; Start () ;}/ *** obtain the minimum delay time when the start time */Public void start () {eventtime = system. nanotime () + delaytime;}/*** determine whether to delay * @ return */Public Boolean ready () {return system. nanotime ()> = eventtime;}/*** specific transaction */public abstract void action ();}

Package innerclasses. controller; import java. util. arrayList; import java. util. list;/*** transaction process processor * processes transactions in a certain order * @ author hehe **/public class Controller {// processes transactions in a linear order, stack can also be used for processing, that is, to process the transaction in a later order. private List <Event> eventList = new ArrayList <Event> (); /*** Add a transaction at the end of the queue * @ param c */public void addEvent (Event c) {eventList. add (c);}/*** specific transaction processing process, delete the processed transaction */public void run () {while (eventList. size ()> 0) {for (Event e: new ArrayList <Event> (eventList) {if (e. ready () {System. out. println (e); e. action (); eventList. remove (e );}}}}}

Package innerclasses; import innerclasses. controller. controller; import innerclasses. controller. event;/*** specific transaction implementation (internal class method) * @ author hehe **/public class greenhousecontrols extends controller {// you can use an internal class to access all methods and fields outside the internal class, such as the addevent method private Boolean light in Light Controller = false; /*** turn on the light event ** @ author hehe */public class lighton extends event {public lighton (long delaytime) {super (delaytime);} @ overridepu BLIC void action () {Light = true ;}@ overridepublic string tostring () {return "light is on ";}} /*** Bell event ** @ author hehe **/public class bell extends event {public Bell (long delaytime) {super (delaytime);} @ overridepublic void action () {// recursive Bell events if delaytime is the same as addevent (this); the method is the same as addevent (New Bell (delaytime) ;}@ overridepublic string tostring () {return "Bing! ";}}/*** Restart transaction * @ author hehe **/public class restart extends event {private event [] eventlist; Public restart (long delaytime, event [] eventlist) {super (delaytime); this. eventlist = eventlist; For (event E: eventlist) {addevent (e) ;}@overridepublic void action () {// put the transaction to be restarted into the queue again for (event E: eventlist) {e. start (); addevent (e) ;}// recursively restart transaction start (); addevent (this) ;}@ overridepublic string tostring () {return "Restarting system ";}} // The static internal class cannot access non-static methods and fields outside the internal class. Public static class terminate extends event {public terminate (long delaytime) {super (delaytime );} @ overridepublic void action () {system. exit (0) ;}@ overridepublic string tostring () {return "Terminating ";}} // ----------------------------------- the preceding method is similar to except // public class lightoff extends event {public lightoff (long delaytime) {super (delaytime) ;}@ overridepublic void action () {Light = false ;}@ overridepublic string tostring () {// todo auto-generated method stubreturn "light is off" ;}} private Boolean water = false; public class wateon extends event {public wateon (long delaytime) {super (delaytime) ;}@ overridepublic void action () {water = true ;}@ overridepublic string tostring () {return "water is on" ;}} public class wateroff extends event {public wateroff (long delaytime) {super (delaytime) ;}@ overridepublic void action () {water = false ;}@ overridepublic string tostring () {return "water is off" ;}} private string thermostat = "day "; public class thermostatnight extends event {public thermostatnight (long delaytime) {super (delaytime) ;}@ overridepublic void action () {thermostat = "night" ;}@ overridepublic string tostring () {return "thermostat on night setting" ;}} public class thermostatday extends event {public thermostatday (long delaytime) {super (delaytime) ;}@ overridepublic void action () {thermostat = "day" ;}@ overridepublic string tostring () {return "thermostat on day setting ";}}}

Package innerclasses; import innerclasses. controller. event; public class greenhousecontroller {/** Test Method * @ Param ARGs */public static void main (string [] ARGs) {greenhousecontrols GC = new greenhousecontrols (); GC. addevent (GC. new Bell (900); event [] eventlist = {GC. new thermostatnight (0), GC. new lighton (200), GC. new lightoff (200), GC. new wateon (600), GC. new wateroff (800), GC. new thermostatday (1400)}; // repeat the Method GC in event. addevent (GC. new Restart (2000, eventlist); // sets the maximum running event of the program running (this method will be infinitely executed if it is not set) if (ARGs. length = 1) {GC. addevent (New greenhousecontrols. terminate (New INTEGER (ARGs [0]);} // run the transaction queue GC. run ();}}