Pace2Car commented on code in PR #27991:
URL: https://github.com/apache/shardingsphere/pull/27991#discussion_r1286925170
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infra/util/src/main/java/org/apache/shardingsphere/infra/util/reflection/ReflectionUtils.java:
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@@ -134,4 +137,36 @@ public static <T> T invokeMethod(final Method method,
final Object target, final
}
return result;
}
+
+ /**
+ * Get field value by get method.
+ *
+ * @param target target
+ * @param fieldName field name
+ * @param <T> type of field value
+ * @return field value
+ */
+ public static <T> Optional<T> getFieldValueByGetMethod(final Object
target, final String fieldName) {
+ String getterName = GETTER_PREFIX +
CaseFormat.LOWER_CAMEL.to(CaseFormat.UPPER_CAMEL, fieldName);
+ final Method method = findMethod(target.getClass(), getterName);
+ if (method != null) {
+ T value = invokeMethod(method, target);
+ return Optional.ofNullable(value);
+ }
+
+ return Optional.empty();
+ }
+
+ private static Method findMethod(final Class<?> clazz, final String
methodName, final Class<?>... parameterTypes) {
+ try {
+ return clazz.getMethod(methodName, parameterTypes);
+ } catch (NoSuchMethodException e) {
+ // Try superclass if method not found in this class
Review Comment:
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