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Entry.java
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executable file
·53 lines (42 loc) · 977 Bytes
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/*Copyright (C) 2020 Tencent. 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;
}
}