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/*Copyright (C) 2020 THL A29 Limited, a Tencent company. All rights reserved.

This source code is licensed under the Apache License Version 2.0.*/

package apijson.orm;

import java.util.Map;

/**自定义Entry

* *java.util.Map.Entry是interface，new Entry(...)不好用，其它的Entry也不好用

* @author Lemon

* @param <K> key

* @param <V> value

* @use new Entry<K, V>(...)

* @warn K,V都需要基本类型时不建议使用，判空麻烦，不如新建一个Model

*/

public class Entry<K, V> implements Map.Entry<K, V> {

public K key;

public V value;

public Entry() {

//default

}

public Entry(K key) {

this(key, null);

}

public Entry(K key, V value) {

this.key = key;

this.value = value;

}

public K getKey() {

return key;

}

public void setKey(K key) {

this.key = key;

}

public V getValue() {

return value;

}

public V setValue(V value) {

this.value = value;

return value;

}

public boolean isEmpty() {

return key == null && value == null;

}

}