ScriptTransformationService: Implement missing script dependency tracking (#5062)

Closes #5046.

Signed-off-by: Florian Hotze <[email protected]>

Author: florian-h05

bundles/org.openhab.core.automation.module.script/src/main/java/org/openhab/core/automation/module/script/ScriptTransformationService.java

@@ -64,13 +64,14 @@
  * language
  *
  * @author Jan N. Klug - Initial contribution
+ * @author Florian Hotze - Implement script dependency tracking
  */
 @NonNullByDefault
 @Component(factory = "org.openhab.core.automation.module.script.transformation.factory", service = {
-        TransformationService.class, ScriptTransformationService.class, ConfigOptionProvider.class,
-        ConfigDescriptionProvider.class })
-public class ScriptTransformationService implements TransformationService, ConfigOptionProvider,
-        ConfigDescriptionProvider, RegistryChangeListener<Transformation> {
+        TransformationService.class, ScriptTransformationService.class, ScriptDependencyTracker.Listener.class,
+        ConfigOptionProvider.class, ConfigDescriptionProvider.class })
+public class ScriptTransformationService implements TransformationService, ScriptDependencyTracker.Listener,
+        ConfigOptionProvider, ConfigDescriptionProvider, RegistryChangeListener<Transformation> {
     public static final String SCRIPT_TYPE_PROPERTY_NAME = "openhab.transform.script.scriptType";
     public static final String OPENHAB_TRANSFORMATION_SCRIPT = "openhab-transformation-script-";
 
@@ -298,6 +299,16 @@ public Collection<ConfigDescription> getConfigDescriptions(@Nullable Locale loca
                 .withParameterGroups(template.getParameterGroups()).build();
     }
 
+    @Override
+    public void onDependencyChange(String scriptId) {
+        String scriptUid = scriptId.substring(OPENHAB_TRANSFORMATION_SCRIPT.length());
+        ScriptRecord scriptRecord = scriptCache.get(scriptUid);
+        if (scriptRecord != null) {
+            logger.debug("Clearing script cache for script {}", scriptUid);
+            clearCache(scriptUid);
+        }
+    }
+
     private void clearCache(String uid) {
         ScriptRecord scriptRecord = scriptCache.remove(uid);
         if (scriptRecord != null) {