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:trollface: 优化toTree性能，抽取到CollectorUtil中

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VampireAchao
2022-09-19 11:16:27 +08:00
parent df748856d7
commit 41ce120da5
3 changed files with 144 additions and 51 deletions
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8
hutool-core/src/test/java/cn/hutool/core/stream/EasyStreamTest.java
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@@ -182,7 +182,7 @@ public class EasyStreamTest {
Assert.assertEquals(collect2, distinctBy2);
Assert.assertEquals(
4, EasyStream.of(1, 2, 2, null, 3, null).parallel(true).distinct(t -> Objects.isNull(t) ? null : t.toString()).sequential().count()
4, EasyStream.of(1, 2, 2, null, 3, null).parallel(true).distinct(t -> Objects.isNull(t) ? null : t.toString()).sequential().count()
);
}
@@ -477,7 +477,7 @@ public class EasyStreamTest {
Student.builder().id(8L).name("jobob").parentId(5L).build()
)
// just 4 lambda ,top by condition
.toTree(Student::getId, Student::getParentId, Student::setChildren, Student::getMatchParent);
.toTree(Student::getId, Student::getParentId, Student::setChildren, s -> BooleanUtil.isTrue(s.getMatchParent()));
Assert.assertEquals(asList(
Student.builder().id(1L).name("dromara").matchParent(true)
.children(asList(Student.builder().id(3L).name("hutool").parentId(1L)
@@ -547,10 +547,6 @@ public class EasyStreamTest {
public Student() {
// this is an accessible parameterless constructor.
}
public Boolean getMatchParent() {
return BooleanUtil.isTrue(matchParent);
}
}
@Test