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com.feilong.core.util.CollectionsUtil 新建 Pair<List<O>, List<O>>
splitDuplicate(Collection<O> objectCollection,String...propertyNames) 根据属性值,分隔新数据和重复的数据 fix #666
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.../src/test/java/com/feilong/core/util/collectionsutil/SplitDuplicatePropertyNamesTest.java
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| Original file line number | Diff line number | Diff line change |
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| /* | ||
| * Copyright (C) 2008 feilong | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
| package com.feilong.core.util.collectionsutil; | ||
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| import static com.feilong.core.bean.ConvertUtil.toArray; | ||
| import static com.feilong.core.bean.ConvertUtil.toList; | ||
| import static org.hamcrest.MatcherAssert.assertThat; | ||
| import static org.hamcrest.Matchers.contains; | ||
| import static org.junit.Assert.assertEquals; | ||
| import static org.junit.Assert.assertSame; | ||
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| import java.util.ArrayList; | ||
| import java.util.List; | ||
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| import org.junit.Test; | ||
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| import com.feilong.core.util.CollectionsUtil; | ||
| import com.feilong.lib.lang3.tuple.Pair; | ||
| import com.feilong.store.member.User; | ||
| import com.feilong.store.member.UserInfo; | ||
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| public class SplitDuplicatePropertyNamesTest{ | ||
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| @Test | ||
| public void testSplitDuplicate(){ | ||
| User user1 = new User(1L, 15); | ||
| User user2 = new User(1L, 16); | ||
| User user3 = new User(1L, 15); | ||
| List<User> list = toList(user1, user2, user3); | ||
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| Pair<List<User>, List<User>> splitDuplicate = CollectionsUtil.splitDuplicate(list, "id", "age"); | ||
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| List<User> newDuplicate = splitDuplicate.getLeft(); | ||
| List<User> rightDuplicate = splitDuplicate.getRight(); | ||
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| assertSame(2, newDuplicate.size()); | ||
| assertThat(newDuplicate, contains(user1, user2)); | ||
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| //--------------------------------------------------------------- | ||
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| assertSame(1, rightDuplicate.size()); | ||
| assertThat(rightDuplicate, contains(user3)); | ||
| } | ||
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| @Test | ||
| public void testSplitDuplicate1(){ | ||
| User user1 = new User(1L); | ||
| user1.setUserInfo(new UserInfo(15)); | ||
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| User user2 = new User(1L); | ||
| user2.setUserInfo(new UserInfo(16)); | ||
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| User user3 = new User(1L); | ||
| user3.setUserInfo(new UserInfo(15)); | ||
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| //--------------------------------------------------------------- | ||
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| List<User> list = toList(user1, user2, user3); | ||
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| Pair<List<User>, List<User>> splitDuplicate = CollectionsUtil.splitDuplicate(list, "id", "userInfo.age"); | ||
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| List<User> newDuplicate = splitDuplicate.getLeft(); | ||
| List<User> rightDuplicate = splitDuplicate.getRight(); | ||
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| assertSame(2, newDuplicate.size()); | ||
| assertThat(newDuplicate, contains(user1, user2)); | ||
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| //--------------------------------------------------------------- | ||
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| assertSame(1, rightDuplicate.size()); | ||
| assertThat(rightDuplicate, contains(user3)); | ||
| } | ||
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| //--------------------------------------------------------------- | ||
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| @Test | ||
| public void testSplitDuplicateNullCollection(){ | ||
| assertEquals(null, CollectionsUtil.splitDuplicate(null, (String[]) null)); | ||
| } | ||
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| @Test | ||
| public void testSplitDuplicateNullCollection12(){ | ||
| assertEquals(null, CollectionsUtil.splitDuplicate(null, toArray(""))); | ||
| } | ||
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| //--------------------------------------------------------------- | ||
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| @Test | ||
| public void testSplitDuplicateEmptyCollection(){ | ||
| assertEquals(null, CollectionsUtil.splitDuplicate(new ArrayList<>(), (String[]) null)); | ||
| } | ||
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| @Test | ||
| public void testSplitDuplicateEmptyCollection333(){ | ||
| assertEquals(null, CollectionsUtil.splitDuplicate(new ArrayList<>(), toArray(""))); | ||
| } | ||
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| //--------------------------------------------------------------- | ||
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| @Test | ||
| public void testSplitDuplicateEmptyCollection1(){ | ||
| assertEquals(null, CollectionsUtil.splitDuplicate(toList(), (String[]) null)); | ||
| } | ||
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| @Test | ||
| public void testSplitDuplicateEmptyCollection1333(){ | ||
| assertEquals(null, CollectionsUtil.splitDuplicate(toList(), toArray(""))); | ||
| } | ||
| } |