Polishing

- Applied formatter.
- Renamed tests to clarify intention.
- Removed redundant comments.
- Added license headers.

src/main/java/org/apache/ibatis/annotations/Many.java

@@ -34,11 +34,12 @@
 @Target({})
 public @interface Many {
   /**
-   * Returns the id that retrieves result map.
+   * Returns the result map id used to map collection.
    *
-   * @return the id that retrieves result map.
+   * @return the result map id
    */
   String resultMap() default "";
+
   /**
    * Returns the statement id that retrieves collection.
    *

src/main/java/org/apache/ibatis/annotations/One.java

@@ -34,11 +34,12 @@
 @Target({})
 public @interface One {
   /**
-   * Returns the id that retrieves result map.
+   * Returns the result map id used to map single object.
    *
-   * @return the id that retrieves result map.
+   * @return the result map id
    */
   String resultMap() default "";
+
   /**
    * Returns the statement id that retrieves single object.
    *

src/test/java/org/apache/ibatis/submitted/annotion_many_one_add_resultmapid/CreateDB.sql

@@ -1,3 +1,19 @@
+--
+--    Copyright 2009-2019 the original author or authors.
+--
+--    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.
+--
+
 -- ----------------------------
 -- Table structure for  role 
 -- ----------------------------

src/test/java/org/apache/ibatis/submitted/annotion_many_one_add_resultmapid/OneManyResultMapTest.java

@@ -0,0 +1,93 @@
+/**
+ *    Copyright 2009-2019 the original author or authors.
+ *
+ *    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 org.apache.ibatis.submitted.annotion_many_one_add_resultmapid;
+
+import org.apache.ibatis.BaseDataTest;
+import org.apache.ibatis.io.Resources;
+import org.apache.ibatis.session.SqlSession;
+import org.apache.ibatis.session.SqlSessionFactory;
+import org.apache.ibatis.session.SqlSessionFactoryBuilder;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+import java.io.Reader;
+import java.util.List;
+
+class OneManyResultMapTest {
+
+  private static SqlSessionFactory sqlSessionFactory;
+
+  @BeforeAll
+  static void setUp() throws Exception {
+    // create an SqlSessionFactory
+    try (Reader reader = Resources
+        .getResourceAsReader("org/apache/ibatis/submitted/annotion_many_one_add_resultmapid/SqlMapConfig.xml")) {
+      sqlSessionFactory = new SqlSessionFactoryBuilder().build(reader);
+    }
+
+    // populate in-memory database
+    BaseDataTest.runScript(sqlSessionFactory.getConfiguration().getEnvironment().getDataSource(),
+        "org/apache/ibatis/submitted/annotion_many_one_add_resultmapid/CreateDB.sql");
+  }
+
+  @Test
+  void shouldUseResultMapWithMany() {
+    try (SqlSession sqlSession = sqlSessionFactory.openSession()) {
+      UserDao mapper = sqlSession.getMapper(UserDao.class);
+      List<User> users = mapper.findAll();
+      assertNotNull(users);
+      assertEquals(4, users.size());
+      assertEquals(2, users.get(0).getRoles().size());
+    }
+  }
+
+  @Test
+  void shouldUseResultMapInXmlWithMany() {
+    try (SqlSession sqlSession = sqlSessionFactory.openSession()) {
+      UserDao mapper = sqlSession.getMapper(UserDao.class);
+      List<User> users = mapper.findAll2();
+      assertNotNull(users);
+      assertEquals(4, users.size());
+      assertEquals(2, users.get(0).getRoles().size());
+    }
+  }
+
+  @Test
+  void shouldUseResultMapWithOne() {
+    try (SqlSession sqlSession = sqlSessionFactory.openSession()) {
+      UserDao mapper = sqlSession.getMapper(UserDao.class);
+      List<User> users = mapper.findAll3();
+      assertNotNull(users);
+      assertEquals(2, users.size());
+      assertNotNull(users.get(0).getRole());
+      assertEquals("teacher", users.get(0).getRole().getRoleName());
+    }
+  }
+
+  @Test
+  void shouldResolveResultMapInTheSameNamespace() {
+    try (SqlSession sqlSession = sqlSessionFactory.openSession()) {
+      UserDao mapper = sqlSession.getMapper(UserDao.class);
+      User headmaster = mapper.findHeadmaster();
+      assertNotNull(headmaster);
+      assertEquals(3, headmaster.getTeachers().size());
+      assertEquals("Doug Lea", headmaster.getTeachers().get(0).getUsername());
+    }
+  }
+
+}

src/test/java/org/apache/ibatis/submitted/annotion_many_one_add_resultmapid/Role.java

@@ -1,17 +1,32 @@
+/**
+ *    Copyright 2009-2019 the original author or authors.
+ *
+ *    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 org.apache.ibatis.submitted.annotion_many_one_add_resultmapid;
 
 public class Role {
-  private Integer id;	//int
+  private Integer id;
 
   @Override
   public String toString() {
     return "Role{" +
-      "id=" + id +
-      ", roleName='" + roleName + '\'' +
-      '}';
+        "id=" + id +
+        ", roleName='" + roleName + '\'' +
+        '}';
   }
 
-  private String roleName;//varchar
+  private String roleName;
 
   public Integer getId() {
     return id;

src/test/java/org/apache/ibatis/submitted/annotion_many_one_add_resultmapid/RoleDao.java

@@ -1,3 +1,18 @@
+/**
+ *    Copyright 2009-2019 the original author or authors.
+ *
+ *    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 org.apache.ibatis.submitted.annotion_many_one_add_resultmapid;
 
 import org.apache.ibatis.annotations.Result;
@@ -7,21 +22,13 @@
 import java.util.List;
 
 /**
- * @Description:
- * @Author: lvyang
- * @Created Date: 2019年12月10日
- * @LastModifyDate:
- * @LastModifyBy:
- * @Version:
+ * @author lvyang
  */
 public interface RoleDao {
   @Select("select * from role")
-  @Results(
-    id="roleMap1",
-    value = {
-      @Result(id = true,column="role_id",property = "id"),
-      @Result(column="role_name",property = "roleName")
-    }
-  )
+  @Results(id = "roleMap1", value = {
+    @Result(id = true, column = "role_id", property = "id"),
+    @Result(column = "role_name", property = "roleName")
+  })
   public List<Role> findAll();
 }

src/test/java/org/apache/ibatis/submitted/annotion_many_one_add_resultmapid/RoleDao.xml

@@ -1,10 +1,29 @@
 <?xml version="1.0" encoding="UTF-8"?>
+<!--
+
+       Copyright 2009-2019 the original author or authors.
+
+       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.
+
+-->
 <!DOCTYPE mapper
         PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
-<mapper namespace="org.apache.ibatis.submitted.annotion_many_one_add_resultmapid.RoleDao">
-  <resultMap id="roleMap2" type="org.apache.ibatis.submitted.annotion_many_one_add_resultmapid.Role">
-      <id column="role_id" property="id"/>
-      <result column="role_name" property="roleName" />
+<mapper
+  namespace="org.apache.ibatis.submitted.annotion_many_one_add_resultmapid.RoleDao">
+  <resultMap id="roleMap2"
+    type="org.apache.ibatis.submitted.annotion_many_one_add_resultmapid.Role">
+    <id column="role_id" property="id" />
+    <result column="role_name" property="roleName" />
   </resultMap>
 </mapper>

src/test/java/org/apache/ibatis/submitted/annotion_many_one_add_resultmapid/SqlMapConfig.xml

@@ -1,21 +1,41 @@
 <?xml version="1.0" encoding="UTF-8" ?>
+<!--
+
+       Copyright 2009-2019 the original author or authors.
+
+       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.
+
+-->
 <!DOCTYPE configuration
         PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
         "http://mybatis.org/dtd/mybatis-3-config.dtd">
 <configuration>
   <environments default="development">
     <environment id="development">
-      <transactionManager type="JDBC"/>
+      <transactionManager type="JDBC" />
       <dataSource type="UNPOOLED">
         <property name="driver" value="org.hsqldb.jdbcDriver" />
-        <property name="url" value="jdbc:hsqldb:mem:annotion_many_one_add_resultmapid" />
+        <property name="url"
+          value="jdbc:hsqldb:mem:annotion_many_one_add_resultmapid" />
         <property name="username" value="sa" />
       </dataSource>
     </environment>
   </environments>
 
-    <mappers>
-      <mapper class="org.apache.ibatis.submitted.annotion_many_one_add_resultmapid.RoleDao"/>
-      <mapper class="org.apache.ibatis.submitted.annotion_many_one_add_resultmapid.UserDao"/>
-    </mappers>
+  <mappers>
+    <mapper
+      class="org.apache.ibatis.submitted.annotion_many_one_add_resultmapid.RoleDao" />
+    <mapper
+      class="org.apache.ibatis.submitted.annotion_many_one_add_resultmapid.UserDao" />
+  </mappers>
 </configuration>