ecology_maven/aiyh/utils/mapUtil/UtilHashMap.java

43 lines
874 B
Java
Raw Normal View History

2021-11-14 15:29:16 +08:00
package aiyh.utils.mapUtil;
import java.util.HashMap;
import java.util.Map;
/**
* @author EBU7-dev1-ayh
* @date 2021/8/19 0019 19:45
* utilMap
*/
public class UtilHashMap<K, V> extends HashMap<K, V> implements Map<K, V> {
public UtilHashMap(){
super();
}
public UtilHashMap<K,V> uPut(K key, V value) {
this.put(key,value);
return this;
}
public UtilHashMap<K,V> uPutAll(Map<? extends K, ? extends V> m) {
super.putAll(m);
return this;
}
public UtilHashMap<K,V> uReplace(K key, V value) {
super.replace(key, value);
return this;
}
public UtilHashMap<K,V> filter(UtilMapFilter<? super K, ? super V> predicate){
UtilHashMap<K,V> newMap = new UtilHashMap<>();
for (Entry<K,V> entry : this.entrySet()){
if(predicate.test(entry.getKey(), entry.getValue())){
newMap.put(entry.getKey(),entry.getValue());
}
}
return newMap;
}
}