Processor class introduced

src/main.ts

@@ -1,41 +1,28 @@
 import * as log from './log'
 import * as mqtt from './mqttdispatcher'
 import * as callchain from './callchain'
+import * as plugintest1 from './plugintest1'
 
 
-class Dispatcher {
-    private _mqttDispatcher: mqtt.MqttDispatcher
+log.info("Dispatcher starting")
+export const dispatcher = new mqtt.MqttDispatcher()
+dispatcher.register('IoT/test', 'print1', (message: any) : any => {
+    log.info("Callback for IoT/test")
+    log.info(`message is ${message}`)
+    return `<<${message}>>`
+})
+dispatcher.register('IoT/test', 'print2', (message: any) : any => {
+    log.info("Callback for IoT/test")
+    log.info(`message is ${message}`)
+    return `<<${message}>>`
+})
+dispatcher.register('IoT/test', 'null1', mqtt.passThrough)
+dispatcher.register('IoT/test', 'null2', mqtt.passThrough)
 
-    constructor() {
-        this._mqttDispatcher = new mqtt.MqttDispatcher()
+plugintest1.pluginTest1Start(dispatcher)
 
-        this._mqttDispatcher.register('IoT/test', 'print1', (message: any) : any => {
-            log.info("Callback for IoT/test")
-            log.info(`message is ${message}`)
-            return `<<${message}>>`
-        })
-        this._mqttDispatcher.register('IoT/test', 'print2', (message: any) : any => {
-            log.info("Callback for IoT/test")
-            log.info(`message is ${message}`)
-            return `<<${message}>>`
-        })
-        this._mqttDispatcher.register('IoT/test', 'null1', mqtt.passThrough)
-        this._mqttDispatcher.register('IoT/test', 'null2', mqtt.passThrough)
-    }
-
-    exec() : void {
-        log.info("Dispatcher starting")
-
-        this._mqttDispatcher.exec()
-
-        log.info("Dispatcher running")
-    }
-}
-
-
-
-const dispatcher = new Dispatcher()
 dispatcher.exec()
+log.info("Dispatcher running")
 
 
 

src/mqttdispatcher.ts

@@ -17,7 +17,12 @@ interface TopicHandler {
     last: callchain.AChainItem | undefined
 }
 
-export class MqttDispatcher {
+export interface IDispatcher {
+    register(topic: string, label: string, 
+            newChainItemOrCallbackFunc: callchain.AChainItem | callchain.ChainItemFunc) : void    
+}
+
+export class MqttDispatcher implements IDispatcher {
     private _mqttClient: Mqtt.Client
     private _mqttBrokerUrl: string
     private _topicHandlers: TopicHandler[]

src/plugintest1.ts

@@ -0,0 +1,16 @@
+import * as log from './log'
+import { IDispatcher } from './mqttdispatcher'
+import * as processor from './processor'
+
+
+var exRoute : processor.AProcessor = new processor.ExProc1('label1')
+
+export function pluginTest1Start(dispatcher : IDispatcher) : void {
+    log.info("starting plugintest1")
+
+    dispatcher.register('IoT/test', "plugintest1", (message : any) : any => {
+        log.info(`plugintest1 runs: ${message}`)
+        exRoute.in(message)
+        return message
+    })
+}

src/processor.ts

@@ -0,0 +1,28 @@
+import * as log from './log'
+import * as events from 'events'
+
+
+export abstract class AProcessor extends events.EventEmitter {
+    protected _label : string
+
+    constructor(label : string) {
+        super()
+        this._label = label
+        this.addListener('input', this.process)
+        log.info(`Processor object instanciated: ${this.constructor.name}, ${this._label}`)
+    }
+
+    public in(message : any) : void {
+        log.info(`Routing ${message} to Processor class ${this.constructor.name}, ${this._label}`)
+        this.emit('input', message)
+    }
+
+    protected abstract process(message : any) : void
+}
+
+
+export class ExProc1 extends AProcessor {
+    protected process(message : any) : void {
+        log.info(`ExRoute1.process: ${this._label}, ${message}`)             
+    }
+}