PersonMapper.java

/**
 *    Copyright 2009-2016 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.enumtypehandler_on_annotation;

import org.apache.ibatis.annotations.*;
import org.apache.ibatis.submitted.enumtypehandler_on_annotation.Person.PersonType;
import org.apache.ibatis.type.EnumOrdinalTypeHandler;

/**
 * @since #444
 * @author Kazuki Shimizu
 */
public interface PersonMapper {

    @ConstructorArgs({
            @Arg(column = "id", javaType = Integer.class, id = true)
            , @Arg(column = "firstName", javaType = String.class)
            , @Arg(column = "lastName", javaType = String.class)
            // target for test (ordinal number -> Enum constant)
            , @Arg(column = "personType", javaType = PersonType.class, typeHandler = EnumOrdinalTypeHandler.class)
    })
    @Select("SELECT id, firstName, lastName, personType FROM person WHERE id = #{id}")
    Person findOneUsingConstructor(int id);

    @Results({
            // target for test (ordinal number -> Enum constant)
            @Result(property = "personType", column = "personType", typeHandler = EnumOrdinalTypeHandler.class)
    })
    @Select("SELECT id, firstName, lastName, personType FROM person WHERE id = #{id}")
    Person findOneUsingSetter(int id);

    @TypeDiscriminator(
            // target for test (ordinal number -> Enum constant)
            column = "personType", javaType = PersonType.class, typeHandler = EnumOrdinalTypeHandler.class,
            // Switch using enum constant name(PERSON or EMPLOYEE) at cases attribute
            cases = {
                    @Case(value = "PERSON", type = Person.class, results = {@Result(property = "personType", column = "personType", typeHandler = EnumOrdinalTypeHandler.class)})
                    , @Case(value = "EMPLOYEE", type = Employee.class, results = {@Result(property = "personType", column = "personType", typeHandler = EnumOrdinalTypeHandler.class)})
            })
    @Select("SELECT id, firstName, lastName, personType FROM person WHERE id = #{id}")
    Person findOneUsingTypeDiscriminator(int id);

}