fixed a bug where the annotation was not handled properly

Author: jonathanlukas

spring-boot-starter-camunda/src/main/java/io/camunda/zeebe/spring/client/properties/PropertyBasedZeebeWorkerValueCustomizer.java

@@ -54,7 +54,7 @@ private void applyFetchVariables(ZeebeWorkerValue zeebeWorkerValue) {
       }
       variables.addAll(
           readZeebeVariableParameters(zeebeWorkerValue.getMethodInfo()).stream()
-              .map(ParameterInfo::getParameterName)
+              .map(this::extractVariableName)
               .collect(Collectors.toList()));
       variables.addAll(readVariablesAsTypeParameters(zeebeWorkerValue.getMethodInfo()));
       zeebeWorkerValue.setFetchVariables(variables.toArray(new String[0]));
@@ -71,6 +71,14 @@ private List<ParameterInfo> readZeebeVariableParameters(MethodInfo methodInfo) {
     return result;
   }
 
+  private String extractVariableName(ParameterInfo parameterInfo) {
+    Variable variableAnnotation = parameterInfo.getParameterInfo().getAnnotation(Variable.class);
+    if (variableAnnotation != null && !Variable.DEFAULT_NAME.equals(variableAnnotation.name())) {
+      return variableAnnotation.name();
+    }
+    return parameterInfo.getParameterName();
+  }
+
   private List<String> readVariablesAsTypeParameters(MethodInfo methodInfo) {
     List<String> result = new ArrayList<>();
     List<ParameterInfo> parameters =