[fix][core]修复mean函数必须配置parameters的问题

3 files changed, 23 insertions, 4 deletions

diff --git a/groot-core/src/main/java/com/geedgenetworks/core/udf/UnixTimestampConverter.java b/groot-core/src/main/java/com/geedgenetworks/core/udf/UnixTimestampConverter.java
index a8171b3..bdb41e0 100644
--- a/groot-core/src/main/java/com/geedgenetworks/core/udf/UnixTimestampConverter.java
+++ b/groot-core/src/main/java/com/geedgenetworks/core/udf/UnixTimestampConverter.java
@@ -32,9 +32,6 @@ public class UnixTimestampConverter implements ScalarFunction {
         if(udfContext.getLookup_fields().size() != 1){
             throw new GrootStreamRuntimeException(CommonErrorCode.ILLEGAL_ARGUMENT, "The function output fields only support 1 value");
         }
-        if(udfContext.getParameters() == null){
-            throw new GrootStreamRuntimeException(CommonErrorCode.ILLEGAL_ARGUMENT, "The function must contain parameters");
-        }
         if(!udfContext.getParameters().containsKey("precision")){
             throw new GrootStreamRuntimeException(CommonErrorCode.ILLEGAL_ARGUMENT, "parameters must containkey precision");
         }
diff --git a/groot-core/src/main/java/com/geedgenetworks/core/udf/udaf/Mean.java b/groot-core/src/main/java/com/geedgenetworks/core/udf/udaf/Mean.java
index 380f598..88e4be6 100644
--- a/groot-core/src/main/java/com/geedgenetworks/core/udf/udaf/Mean.java
+++ b/groot-core/src/main/java/com/geedgenetworks/core/udf/udaf/Mean.java
@@ -29,7 +29,7 @@ public class Mean implements AggregateFunction {
         else {
             outputField = lookupField;
         }
-        if(!udfContext.getParameters().isEmpty()) {
+        if(udfContext.getParameters()!= null && !udfContext.getParameters().isEmpty()) {
             precision = Integer.parseInt(udfContext.getParameters().getOrDefault("precision", "-1").toString());
             if (precision > 0) {
                 StringBuilder pattern = new StringBuilder("#.");
diff --git a/groot-core/src/test/java/com/geedgenetworks/core/udf/test/aggregate/MeanTest.java b/groot-core/src/test/java/com/geedgenetworks/core/udf/test/aggregate/MeanTest.java
index 48c4e0f..807b7db 100644
--- a/groot-core/src/test/java/com/geedgenetworks/core/udf/test/aggregate/MeanTest.java
+++ b/groot-core/src/test/java/com/geedgenetworks/core/udf/test/aggregate/MeanTest.java
@@ -41,6 +41,7 @@ public class MeanTest {
         Integer[] intArr2 = new Integer[]{1, 6, 3};
         excute(intArr1, 0);
         excute2(intArr2, 2);
+        excute3(intArr1);
     }
 
     private static void excute(Number[] arr,int precision) throws ParseException {
@@ -93,5 +94,26 @@ public class MeanTest {
         assertEquals(NumberFormat.getInstance().parse((result.getMetricsFields().get("field_mean").toString())),NumberFormat.getInstance().parse("3.33"));
     }
 
+    private static void excute3(Number[] arr) throws ParseException {
 
+        UDFContext udfContext = new UDFContext();
+        udfContext.setLookup_fields(List.of("field"));
+        udfContext.setOutput_fields(Collections.singletonList("field_mean"));
+        Mean mean = new Mean();
+        Map<String, Object> metricsFields = new HashMap<>();
+        Accumulator accumulator = new Accumulator();
+        accumulator.setMetricsFields(metricsFields);
+        Accumulator agg = mean.open(udfContext,accumulator);
+
+        for (Number o : arr) {
+            Event event = new Event();
+            Map<String, Object> extractedFields = new HashMap<>();
+            extractedFields.put("field", o);
+            event.setExtractedFields(extractedFields);
+            agg = mean.add(event, agg);
+
+        }
+        Accumulator result = mean.getResult(agg);
+        assertEquals(NumberFormat.getInstance().parse((result.getMetricsFields().get("field_mean").toString())),NumberFormat.getInstance().parse("2.5"));
+    }
 }
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