[xml] Add missing cityMapper (was being picked up elsewhere on original classpath)

Author: hazendaz

mybatis-spring-boot-samples/mybatis-spring-boot-sample-xml/src/main/java/sample/mybatis/xml/mapper/CityMapper.java

@@ -0,0 +1,33 @@
+/*
+ *    Copyright 2015-2021 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 sample.mybatis.xml.mapper;
+
+import org.apache.ibatis.annotations.Mapper;
+import org.apache.ibatis.annotations.Param;
+import org.apache.ibatis.annotations.Select;
+
+import sample.mybatis.xml.domain.City;
+
+/**
+ * @author Eddú Meléndez
+ */
+@Mapper
+public interface CityMapper {
+
+  @Select("select id, name, state, country from city where state = #{state}")
+  City findByState(@Param("state") String state);
+
+}