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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 FieldWriterMillisFunc
        extends FieldWriterDate {
    final ToLongFunction function;

    FieldWriterMillisFunc(String fieldName,
            int ordinal,
            long features,
            String dateTimeFormat,
            String label,
            Field field,
            Method method,
            ToLongFunction function
    ) {
        super(fieldName, ordinal, features, dateTimeFormat, label, long.class, 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 millis = function.applyAsLong(object);
        writeDate(jsonWriter, millis);
        return true;
    }

    @Override
    public void writeValue(JSONWriter jsonWriter, T object) {
        long millis = function.applyAsLong(object);
        writeDate(jsonWriter, false, millis);
    }
}