org.redkale.source.DataCallArrayAttribute Maven / Gradle / Ivy

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package org.redkale.source;

import java.io.*;
import java.lang.reflect.*;
import org.redkale.util.*;

/**
 *
 * 
 * 详情见: https://redkale.org
 *
 * @author zhangjx
 * @param  Entity类的类型
 * @param  字段的类型
 */
@SuppressWarnings("unchecked")
public final class DataCallArrayAttribute implements Attribute {

    public static final DataCallArrayAttribute instance = new DataCallArrayAttribute();

    @Override
    public Class type() {
        return (Class) Object.class;
    }

    @Override
    public Class declaringClass() {
        return (Class) (Class) Object[].class;
    }

    @Override
    public String field() {
        return "";
    }

    @Override
    public F get(final T[] objs) {
        if (objs == null || objs.length == 0) return null;
        final Attribute attr = DataCallAttribute.load(objs[0].getClass());
        final Object keys = Array.newInstance(attr.type(), objs.length);
        for (int i = 0; i < objs.length; i++) {
            Array.set(keys, i, attr.get(objs[i]));
        }
        return (F) keys;
    }

    @Override
    public void set(final T[] objs, final F keys) {
        if (objs == null || objs.length == 0) return;
        final Attribute attr = DataCallAttribute.load(objs[0].getClass());
        for (int i = 0; i < objs.length; i++) {
            attr.set(objs[i], (Serializable) Array.get(keys, i));
        }
    }

}