Merge branch 'dev-Rene'

Reviewed-on: #4

src/nodeClass.js

@@ -63,7 +63,8 @@ class nodeClass {
       },
       functionality: {
         positionVsParent: uiConfig.positionVsParent
-      }
+      },
+      flowNumber: uiConfig.flowNumber
     };
 
     // Utility for formatting outputs

src/specificClass.js

@@ -85,6 +85,10 @@ class Machine {
     //perform init for certain values
     this._init();
 
+    // used for holding the source and sink unit operations or other object with setInfluent / getEffluent method for e.g. recirculation.
+    this.upstreamSource = null;
+    this.downstreamSink = null;
+
     this.child = {}; // object to hold child information so we know on what to subscribe
     this.childRegistrationUtils = new childRegistrationUtils(this); // Child registration utility
 
@@ -113,13 +117,29 @@ class Machine {
 
   /*-------------------               Register child events               -------------------*/
   registerChild(child, softwareType) {
-    this.logger.debug('Setting up child event for softwaretype ' + softwareType);
+    if(!child) {
+      this.logger.error(`Invalid ${softwareType} child provided.`);
+      return;
+    }
 
-    if(softwareType === "measurement"){
+    switch (softwareType) {
-          const position = child.config.functionality.positionVsParent;
+      case "measurement":
-          const distance = child.config.functionality.distanceVsParent || 0;
+        this.logger.debug(`Registering measurement child...`);
-          const measurementType = child.config.asset.type;
+        this._connectMeasurement(child);
-          const key = `${measurementType}_${position}`;
+        break;
+      case "reactor":
+        this.logger.debug(`Registering reactor child...`);
+        this._connectReactor(child);
+        break;
+      default:
+        this.logger.error(`Unrecognized softwareType: ${softwareType}`);
+    }
+  }
+
+  _connectMeasurement(measurementChild) {
+    const position = measurementChild.config.functionality.positionVsParent;
+    const distance = measurementChild.config.functionality.distanceVsParent || 0;
+    const measurementType = measurementChild.config.asset.type;
     //rebuild to measurementype.variant no position and then switch based on values not strings or names.
     const eventName = `${measurementType}.measured.${position}`;
 
@@ -165,8 +185,41 @@ _callMeasurementHandler(measurementType, value, position, context) {
       break;
   }
 }
+    this.logger.debug(`Setting up listener for ${eventName} from child ${measurementChild.config.general.name}`);
+    // Register event listener for measurement updates
+    measurementChild.measurements.emitter.on(eventName, (eventData) => {
+      this.logger.debug(`🔄 ${position} ${measurementType} from ${eventData.childName}: ${eventData.value} ${eventData.unit}`);
 
-//---------------- END child stuff -------------//
+      // Store directly in parent's measurement container
+      this.measurements
+        .type(measurementType)
+        .variant("measured")
+        .position(position)
+        .value(eventData.value, eventData.timestamp, eventData.unit);      
+      
+      // Call the appropriate handler
+      switch (measurementType) {
+        case 'pressure':
+          this.updateMeasuredPressure(eventData.value, position, eventData);
+          break;
+          
+        case 'flow':
+          this.updateMeasuredFlow(eventData.value, position, eventData);
+          break;
+          
+        default:
+          this.logger.warn(`No handler for measurement type: ${measurementType}`);
+          // Generic handler - just update position
+          this.updatePosition();
+      }
+    });
+  }
+
+  _connectReactor(reactorChild) {
+    this.downstreamSink = reactorChild; // downstream from the pumps perpective
+  }
+
+  //---------------- END child stuff -------------//
 
   // Method to assess drift using errorMetrics
   assessDrift(measurement, processMin, processMax) {
@@ -559,6 +612,7 @@ _callMeasurementHandler(measurementType, value, position, context) {
 
   // NEW: Flow handler
   updateMeasuredFlow(value, position, context = {}) {
+
     if (!this._isOperationalState()) {
       this.logger.warn(`Machine not operational, skipping flow update from ${context.childName || 'unknown'}`);
       return;
@@ -566,6 +620,10 @@ _callMeasurementHandler(measurementType, value, position, context) {
 
     this.logger.debug(`Flow update: ${value} at ${position} from ${context.childName || 'child'}`);
 
+    if (this.upstreamSource && this.downstreamSink) {
+      this.updateSourceSink();
+    }
+    
     // Store in parent's measurement container
     this.measurements.type("flow").variant("measured").position(position).value(value, context.timestamp, context.unit);
     
@@ -576,6 +634,12 @@ _callMeasurementHandler(measurementType, value, position, context) {
     }
   }
 
+  updateSourceSink() {
+    // Handles flow according to the configured "flow number"
+    this.logger.debug(`Updating source-sink pair: ${this.upstreamSource.config.functionality.softwareType} - ${this.downstreamSink.config.functionality.softwareType}`);
+    this.downstreamSink.setInfluent = this.upstreamSource.getEffluent[this.config.flowNumber];
+  }
+
   // Helper method for operational state check
   _isOperationalState() {
     const state = this.state.getCurrentState();