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feat(collection/CollUtil.java):使用给定的map将集合中的元素进行属性或者对象值的重新设定[]

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wangyongsheng 2021-12-10 13:02:40 +08:00
parent 6c120dd568
commit 0d6af9f854
1 changed files with 14 additions and 0 deletions
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14
hutool-core/src/main/java/cn/hutool/core/collection/CollUtil.java
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@ -42,6 +42,7 @@ import java.util.Map;
import java.util.Map.Entry; import java.util.Map.Entry;
import java.util.NavigableSet; import java.util.NavigableSet;
import java.util.Objects; import java.util.Objects;
import java.util.Optional;
import java.util.Set; import java.util.Set;
import java.util.SortedSet; import java.util.SortedSet;
import java.util.Stack; import java.util.Stack;
@ -51,6 +52,7 @@ import java.util.concurrent.ArrayBlockingQueue;
import java.util.concurrent.BlockingQueue; import java.util.concurrent.BlockingQueue;
import java.util.concurrent.CopyOnWriteArrayList; import java.util.concurrent.CopyOnWriteArrayList;
import java.util.concurrent.LinkedBlockingDeque; import java.util.concurrent.LinkedBlockingDeque;
import java.util.function.BiConsumer;
import java.util.function.Function; import java.util.function.Function;
import java.util.function.Predicate; import java.util.function.Predicate;
import java.util.function.Supplier; import java.util.function.Supplier;
@ -2927,6 +2929,18 @@ public class CollUtil {
return new TransCollection<>(collection, function); return new TransCollection<>(collection, function);
} }
/**
* 使用给定的map将集合中的原素进行属性或者值的重新设定
* @param collection 集合
* @param map 映射集
* @param keyGenerate 映射键生成函数
* @param biConsumer 封装映射到的值函数
* @author nick_wys
*/
public static <E, K, V> void setValueByMap(Collection<E> collection, Map<K, V> map, Function<E, K> keyGenerate, BiConsumer<E, V> biConsumer) {
collection.forEach(x -> Optional.ofNullable(map.get(keyGenerate.apply(x))).ifPresent(y -> biConsumer.accept(x, y)));
}
// ---------------------------------------------------------------------------------------------- Interface start // ---------------------------------------------------------------------------------------------- Interface start
/** /**