com.enterprisemath.dao.relational.MyBatisRelationMapper.xml Maven / Gradle / Ivy

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Simple and powerful data access layer.
There is a newer version: 4.3.2
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.enterprisemath.dao.relational.MyBatisRelationMapper">

    <insert id="insertRelation">
        insert into relations (code, subject_code, object_code, type) values (#{code}, #{subject_code}, #{object_code}, #{type})
    </insert>
  
    <delete id="deleteRelation">
        delete from relations where code = #{code}
    </delete>

    <select id="selectRelations" resultType="map">
        select
        s.code as subject_code,
        s.name as subject_name,
        s.created_timestamp as subject_created_timestamp,
        s.parent_code as subject_parent_code,
        s.type as subject_type,
        o.code as object_code,
        o.name as object_name, 
        o.created_timestamp as object_created_timestamp,
        o.parent_code as object_parent_code,
        o.type as object_type,
        r.type as type,
        r.code as code
        <if test="subjectJoins.size() > 0">
            <foreach index="table" item="columns" collection="subjectJoins" open="" separator="" close="">
                <foreach item="column" collection="columns" open="," separator="," close="">
                    subject_${table}.${column} as subject_${table}_${column}
                </foreach>
            </foreach>
        </if>
        <if test="objectJoins.size() > 0">
            <foreach index="table" item="columns" collection="objectJoins" open="" separator="" close="">
                <foreach item="column" collection="columns" open="," separator="," close="">
                    object_${table}.${column} as object_${table}_${column}
                </foreach>
            </foreach>
        </if>
        from
        relations r
        inner join entities s on r.subject_code = s.code
        inner join entities o on r.object_code = o.code
        <if test="subjectJoins.size() > 0">
            <foreach index="table" item="columns" collection="subjectJoins" open="" separator="" close="">
                inner join ${table} subject_${table} on subject_${table}.code = s.code
            </foreach>
        </if>
        <if test="objectJoins.size() > 0">
            <foreach index="table" item="columns" collection="objectJoins" open="" separator="" close="">
                inner join ${table} object_${table} on object_${table}.code = o.code
            </foreach>
        </if>
        <if test="filter.criteria.size() > 0">
            where
            <foreach item="criterium" collection="filter.criteria" open="" separator=" and " close="">
                ${criterium.column}
                <if test="criterium.operator.toString() == 'EQUAL'">
                    <if test="criterium.value == null"> is null </if>
                    <if test="criterium.value != null"> = #{criterium.value} </if>
                </if>
                <if test="criterium.operator.toString() == 'NOT_EQUAL'">
                    <if test="criterium.value == null"> is not null </if>
                    <if test="criterium.value != null"> != #{criterium.value} </if>
                </if>
                <if test="criterium.operator.toString() == 'LIKE'"> like #{criterium.value}</if>
                <if test="criterium.operator.toString() == 'IN'">
                    in (
                    <foreach item="value" collection="criterium.value" open="" separator=", " close="">
                        #{value}
                    </foreach>
                    )
                </if>
                <if test="criterium.operator.toString() == 'LESS'"> &lt; #{criterium.value}</if>
                <if test="criterium.operator.toString() == 'LESS_OR_EQUAL'"> &lt;= #{criterium.value}</if>
                <if test="criterium.operator.toString() == 'GREATER'"> &gt; #{criterium.value}</if>
                <if test="criterium.operator.toString() == 'GREATER_OR_EQUAL'"> &gt;= #{criterium.value}</if>
            </foreach>
        </if>
        <if test="filter.orders.size() > 0">
            order by
            <foreach item="order" collection="filter.orders" open="" separator="," close="">
                ${order.column}
                <if test="order.direction.toString() == 'ASCENDANT'"> asc</if>
                <if test="order.direction.toString() == 'DESCENDANT'"> desc</if>
            </foreach>
        </if>
        offset #{filter.from}
        <if test="filter.limit != null">
            limit #{filter.limit}
        </if>
    </select>

    <select id="countRelations" resultType="long">
        select count(*) from
        relations r
        inner join entities s on r.subject_code = s.code
        inner join entities o on r.object_code = o.code
        <if test="subjectTables.size() > 0">
            <foreach item="table" collection="subjectTables" open="" separator="" close="">
                inner join ${table} subject_${table} on subject_${table}.code = s.code
            </foreach>
        </if>
        <if test="objectTables.size() > 0">
            <foreach item="table" collection="objectTables" open="" separator="" close="">
                inner join ${table} object_${table} on object_${table}.code = o.code
            </foreach>
        </if>
        <if test="criteria.size() > 0">
            where
            <foreach item="criterium" collection="criteria" open="" separator=" and " close="">
                ${criterium.column}
                <if test="criterium.operator.toString() == 'EQUAL'">
                    <if test="criterium.value == null"> is null </if>
                    <if test="criterium.value != null"> = #{criterium.value} </if>
                </if>
                <if test="criterium.operator.toString() == 'NOT_EQUAL'">
                    <if test="criterium.value == null"> is not null </if>
                    <if test="criterium.value != null"> != #{criterium.value} </if>
                </if>
                <if test="criterium.operator.toString() == 'LIKE'"> like #{criterium.value}</if>
                <if test="criterium.operator.toString() == 'IN'">
                    in (
                    <foreach item="value" collection="criterium.value" open="" separator=", " close="">
                        #{value}
                    </foreach>
                    )
                </if>
                <if test="criterium.operator.toString() == 'LESS'"> &lt; #{criterium.value}</if>
                <if test="criterium.operator.toString() == 'LESS_OR_EQUAL'"> &lt;= #{criterium.value}</if>
                <if test="criterium.operator.toString() == 'GREATER'"> &gt; #{criterium.value}</if>
                <if test="criterium.operator.toString() == 'GREATER_OR_EQUAL'"> &gt;= #{criterium.value}</if>
            </foreach>
        </if>
    </select>

</mapper>