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plusone-commons
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修改 TreeBuilder#buildTreeInternal 中的局部变量名，便于理解。

dev
ZhouXY108 2024-08-26 17:37:30 +08:00
parent 0aaa9331dc
commit aebd66d059
1 changed files with 3 additions and 2 deletions
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5
src/main/java/xyz/zhouxy/plusone/commons/util/TreeBuilder.java
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@ -88,7 +88,8 @@ public class TreeBuilder<T, TSubTree extends T, TIdentity> {
final Map<TIdentity, T> identityNodeMap = allNodes.stream() final Map<TIdentity, T> identityNodeMap = allNodes.stream()
.collect(Collectors.toMap(identityGetter, Function.identity(), (n1, n2) -> n1)); .collect(Collectors.toMap(identityGetter, Function.identity(), (n1, n2) -> n1));
final List<T> result = allNodes.stream() // 根节点
final List<T> rootNodes = allNodes.stream()
.filter(node -> !this.parentIdentityGetter.apply(node).isPresent()) .filter(node -> !this.parentIdentityGetter.apply(node).isPresent())
.collect(Collectors.toList()); .collect(Collectors.toList());
allNodes.forEach(node -> parentIdentityGetter.apply(node).ifPresent(parentIdentity -> { allNodes.forEach(node -> parentIdentityGetter.apply(node).ifPresent(parentIdentity -> {
@ -98,6 +99,6 @@ public class TreeBuilder<T, TSubTree extends T, TIdentity> {
addChildMethod.accept(parentNode, node); addChildMethod.accept(parentNode, node);
} }
})); }));
return result; return rootNodes;
} }
} }