Simplify

Signed-off-by: Pavol Loffay <ploffay@redhat.com>

Author: pavolloffay

cmd/opentelemetry/app/exporter/elasticsearchexporter/spanstore.go

@@ -234,25 +234,21 @@ func (w *esSpanWriter) esClientVersion() int {
 
 func bulkItemsToTraces(bulkItems []bulkItem) pdata.Traces {
 	traces := pdata.NewTraces()
-	for _, op := range bulkItems {
+	traces.ResourceSpans().Resize(len(bulkItems))
+	for i, op := range bulkItems {
 		spanData := op.spanData
-		if traces.ResourceSpans().Len() == 0 {
-			traces.ResourceSpans().Resize(1)
-		} else {
-			traces.ResourceSpans().Resize(traces.ResourceSpans().Len())
-		}
-		rss := traces.ResourceSpans().At(traces.ResourceSpans().Len() - 1)
+		rss := traces.ResourceSpans().At(i)
 		if !spanData.Resource.IsNil() {
-			spanData.Resource.CopyTo(rss.Resource())
+			rss.Resource().InitEmpty()
+			rss.Resource().Attributes().InitFromAttributeMap(spanData.Resource.Attributes())
 		}
 		rss.InstrumentationLibrarySpans().Resize(1)
 		ispans := rss.InstrumentationLibrarySpans().At(0)
 		ispans.InitEmpty()
 		if !spanData.InstrumentationLibrary.IsNil() {
 			spanData.InstrumentationLibrary.CopyTo(ispans.InstrumentationLibrary())
 		}
-		ispans.Spans().Resize(1)
-		spanData.Span.CopyTo(ispans.Spans().At(0))
+		ispans.Spans().Append(&spanData.Span)
 	}
 	return traces
 }