Merge pull request #97 from cisco-open/fix/master/summary-null-quantile-values

Fix summary quantile values

Author: preet-dev

src/main/java/io/opentelemetry/contrib/generator/core/exception/GeneratorException.java

@@ -21,4 +21,8 @@ public class GeneratorException extends RuntimeException {
     public GeneratorException(String message) {
         super(message);
     }
+
+    public GeneratorException(String message, Exception exception) {
+        super(message, exception);
+    }
 }

src/main/java/io/opentelemetry/contrib/generator/core/jel/ExpressionProcessor.java

@@ -1,5 +1,6 @@
 package io.opentelemetry.contrib.generator.core.jel;
 
+import io.opentelemetry.contrib.generator.core.exception.GeneratorException;
 import jakarta.el.ELProcessor;
 import jakarta.el.PropertyNotFoundException;
 
@@ -14,6 +15,8 @@ public <T> T eval(String expression) {
             return super.eval(expression);
         } catch (PropertyNotFoundException exception) {
             return (T) expression;
+        } catch (Exception exception) {
+            throw new GeneratorException("Failed to execute expression " + expression, exception);
         }
     }
 }

src/main/java/io/opentelemetry/contrib/generator/telemetry/metrics/SummaryGenerator.java

@@ -90,7 +90,7 @@ private List<SummaryDataPoint.ValueAtQuantile> getQuantiles(List<Object> values,
             normalizedQuantile = eachQuantile > 1 ? eachQuantile/100 : eachQuantile;
             double valueAtQuantile = getValueAtPercentile(normalizedQuantile, vals);
             quantiles.add(SummaryDataPoint.ValueAtQuantile.newBuilder()
-                    .setQuantile(metricDefinition.getIsDouble() ? normalizedQuantile : eachQuantile)
+                    .setQuantile(normalizedQuantile)
                     .setValue(valueAtQuantile)
                     .build());
         }