content: package com.alibaba.fastjson2.writer;
  
  import com.alibaba.fastjson2.JSONWriter;
  
  import java.lang.reflect.Field;
  import java.lang.reflect.Method;
  import java.util.function.ToLongFunction;
  
  final class FieldWriterInt64ValFunc<T>
          extends FieldWriterInt64<T> {
      final ToLongFunction function;
  
      FieldWriterInt64ValFunc(
              String fieldName,
              int ordinal,
              long features,
              String format,
              String label,
              Field field,
              Method method,
              ToLongFunction function
      ) {
          super(fieldName, ordinal, features, format, label, long.class, field, method);
          this.function = function;
      }
  
      @Override
      public Object getFieldValue(T object) {
          return function.applyAsLong(object);
      }
  
      @Override
      public boolean write(JSONWriter jsonWriter, T object) {
          long value;
          try {
              value = function.applyAsLong(object);
          } catch (RuntimeException error) {
              if (jsonWriter.isIgnoreErrorGetter()) {
                  return false;
              }
              throw error;
          }
  
          writeInt64(jsonWriter, value);
          return true;
      }
  
      @Override
      public void writeValue(JSONWriter jsonWriter, T object) {
          long value = function.applyAsLong(object);
          jsonWriter.writeInt64(value);
      }
  }
  