First Commit

engine/utils.go

@@ -0,0 +1,50 @@
+package engine
+
+import "git.difuse.io/Difuse/Mellaris/analyzer"
+
+var _ analyzer.Logger = (*analyzerLogger)(nil)
+
+type analyzerLogger struct {
+	StreamID int64
+	Name     string
+	Logger   Logger
+}
+
+func (l *analyzerLogger) Debugf(format string, args ...interface{}) {
+	l.Logger.AnalyzerDebugf(l.StreamID, l.Name, format, args...)
+}
+
+func (l *analyzerLogger) Infof(format string, args ...interface{}) {
+	l.Logger.AnalyzerInfof(l.StreamID, l.Name, format, args...)
+}
+
+func (l *analyzerLogger) Errorf(format string, args ...interface{}) {
+	l.Logger.AnalyzerErrorf(l.StreamID, l.Name, format, args...)
+}
+
+func processPropUpdate(cpm analyzer.CombinedPropMap, name string, update *analyzer.PropUpdate) (updated bool) {
+	if update == nil || update.Type == analyzer.PropUpdateNone {
+		return false
+	}
+	switch update.Type {
+	case analyzer.PropUpdateMerge:
+		m := cpm[name]
+		if m == nil {
+			m = make(analyzer.PropMap, len(update.M))
+			cpm[name] = m
+		}
+		for k, v := range update.M {
+			m[k] = v
+		}
+		return true
+	case analyzer.PropUpdateReplace:
+		cpm[name] = update.M
+		return true
+	case analyzer.PropUpdateDelete:
+		delete(cpm, name)
+		return true
+	default:
+		// Invalid update type, ignore for now
+		return false
+	}
+}