Addition of span count attribute (#282)

* added span count attribute

* resolved PR comment

* Update hypertrace-view-generator/hypertrace-view-generator/src/main/java/org/hypertrace/viewgenerator/generators/SpanEventViewGenerator.java

Co-authored-by: kotharironak <[email protected]>

* Update hypertrace-view-generator/hypertrace-view-generator-api/src/main/avro/SpanEventView.avdl

Co-authored-by: kotharironak <[email protected]>

* Update SpanEventView.avdl

* Update SpanEventViewGenerator.java

Co-authored-by: Sarthak Singhal <[email protected]>
Co-authored-by: kotharironak <[email protected]>

Author: 3 people

hypertrace-view-generator/hypertrace-view-generator-api/src/main/avro/SpanEventView.avdl

@@ -103,5 +103,7 @@ protocol SpanEventViewProtocol {
     map<string> api_callee_name_count = {};
 
     int api_trace_error_span_count = 0;
+
+    int spans = 0;
   }
 }

hypertrace-view-generator/hypertrace-view-generator/src/main/java/org/hypertrace/viewgenerator/generators/SpanEventViewGenerator.java

@@ -226,6 +226,8 @@ private SpanEventView.Builder generateViewBuilder(
       builder.setErrorCount((int) errorMetric.getValue().doubleValue());
     }
 
+    builder.setSpans(1);
+
     MetricValue exceptionMetric = event.getMetrics().getMetricMap().get(EXCEPTION_COUNT_CONSTANT);
     if (exceptionMetric != null && exceptionMetric.getValue() > 0.0d) {
       builder.setExceptionCount((int) exceptionMetric.getValue().doubleValue());