content: package com.alibaba.fastjson2.reader;
  
  import com.alibaba.fastjson2.JSONException;
  import com.alibaba.fastjson2.schema.JSONSchema;
  
  import java.lang.reflect.Field;
  import java.lang.reflect.Modifier;
  import java.lang.reflect.Type;
  import java.util.concurrent.atomic.AtomicReference;
  
  final class FieldReaderAtomicReferenceField<T>
          extends FieldReaderAtomicReference<T> {
      final boolean readOnly;
  
      FieldReaderAtomicReferenceField(
              String fieldName,
              Type fieldType,
              Class fieldClass,
              int ordinal,
              String format,
              JSONSchema schema,
              Field field) {
          super(fieldName, fieldType, fieldClass, ordinal, 0, format, schema, null, field);
  
          readOnly = Modifier.isFinal(field.getModifiers());
      }
  
      @Override
      public boolean isReadOnly() {
          return true;
      }
  
      @Override
      public void accept(T object, Object value) {
          if (value == null) {
              return;
          }
  
          try {
              if (readOnly) {
                  AtomicReference atomic = (AtomicReference) field.get(object);
                  atomic.set(value);
              } else {
                  field.set(
                          object,
                          new AtomicReference(value));
              }
          } catch (Exception e) {
              throw new JSONException("set " + fieldName + " error", e);
          }
      }
  }
  