alfresco-community-repo/config/alfresco/ibatis/org.hibernate.dialect.Dialect/locks-common-SqlMap.xml

<?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="alfresco.lock">

    <!--                -->
    <!-- Result Maps    -->
    <!--                -->

    <resultMap id="result_LockResource" type="LockResource">
        <result property="id" column="id" jdbcType="BIGINT" javaType="java.lang.Long"/>
        <result property="version" column="version" jdbcType="BIGINT" javaType="java.lang.Long"/>
        <result property="qnameNamespaceId" column="qname_ns_id" jdbcType="BIGINT" javaType="java.lang.Long"/>
        <result property="qnameLocalName" column="qname_localname" jdbcType="VARCHAR" javaType="java.lang.String"/>
    </resultMap>
  
    <resultMap id="result_Lock" type="Lock">
        <result property="id" column="id" jdbcType="BIGINT" javaType="java.lang.Long"/>
        <result property="version" column="version" jdbcType="BIGINT" javaType="java.lang.Long"/>
        <result property="sharedResourceId" column="shared_resource_id" jdbcType="BIGINT" javaType="java.lang.Long"/>
        <result property="exclusiveResourceId" column="excl_resource_id" jdbcType="BIGINT" javaType="java.lang.Long"/>
        <result property="lockToken" column="lock_token" jdbcType="VARCHAR" javaType="java.lang.String"/>
        <result property="startTime" column="start_time" jdbcType="BIGINT" javaType="java.lang.Long"/>
        <result property="expiryTime" column="expiry_time" jdbcType="BIGINT" javaType="java.lang.Long"/>
    </resultMap>
    
    <!--                -->
    <!-- Parameter Maps -->
    <!--                -->

    <parameterMap id="parameter_ExclusiveLockUpdateMap" type="map">
        <parameter property="newLockToken" jdbcType="VARCHAR" javaType="java.lang.String"/>
        <parameter property="newStartTime" jdbcType="BIGINT" javaType="java.lang.Long"/>
        <parameter property="newExpiryTime" jdbcType="BIGINT" javaType="java.lang.Long"/>
        <parameter property="exclusiveLockResourceId" jdbcType="BIGINT" javaType="java.lang.Long"/>
        <parameter property="oldLockToken" jdbcType="VARCHAR" javaType="java.lang.String"/>
    </parameterMap>
  
    <!--                -->
    <!-- SQL Snippets   -->
    <!--                -->
    
    <sql id="insert_LockResource_AutoIncrement">
        insert into alf_lock_resource (version, qname_ns_id, qname_localname) 
        values (#{version}, #{qnameNamespaceId}, #{qnameLocalName})
    </sql>
    
    <sql id="insert_LockResource_Sequence">
        insert into alf_lock_resource (id, version, qname_ns_id, qname_localname) 
        values (#{id}, #{version}, #{qnameNamespaceId}, #{qnameLocalName})
    </sql>
    
    <sql id="insert_Lock_AutoIncrement">
        insert into alf_lock (version, shared_resource_id, excl_resource_id, lock_token, start_time, expiry_time) 
        values (#{version}, #{sharedResourceId}, #{exclusiveResourceId}, #{lockToken}, #{startTime}, #{expiryTime})
    </sql>
    
    <sql id="insert_Lock_Sequence">
        insert into alf_lock (id, version, shared_resource_id, excl_resource_id, lock_token, start_time, expiry_time) 
        values (#{id}, #{version}, #{sharedResourceId}, #{exclusiveResourceId}, #{lockToken}, #{startTime}, #{expiryTime})
    </sql>
    
    <!--                -->
    <!-- Statements     -->
    <!--                -->
    
    <!-- Get the lock resource entity by qualified name -->
    <select id="select_LockResourceByQName" parameterType="LockResource" resultMap="result_LockResource">
        select
            *
        from
            alf_lock_resource
        where
            qname_ns_id = #{qnameNamespaceId} and
            qname_localname = #{qnameLocalName}
    </select>

    <!-- Get a lock based on the ID -->
    <select id="select_LockByID" parameterType="Lock" resultMap="result_Lock">
        select
            *
        from
            alf_lock
        where
            id = #{id}
    </select>
    
    <!-- Get a lock based on the unique key (shared and exclusive lock IDs) -->
    <select id="select_LockByKey" parameterType="Lock" resultMap="result_Lock">
        select
            *
        from
            alf_lock
        where
            shared_resource_id = #{sharedResourceId} and
            excl_resource_id = #{exclusiveResourceId}
    </select>
    
    <!-- Get all locks for a given list of resource IDs -->
    <select id="select_LockBySharedIds" resultMap="result_Lock">
        select
            *
        from
            alf_lock
        where
            shared_resource_id in 
        <foreach item="item" index="index" collection="list" open="(" separator="," close=")">
            #{item}
        </foreach>
    </select>
    
    <!-- Optimistic update of the lock -->
    <update id="update_Lock" parameterType="Lock">
        update
            alf_lock
        set
            version = #{version},
            lock_token = #{lockToken},
            start_time = #{startTime},
            expiry_time = #{expiryTime}
        where
            id = #{id}
        <if test="version gt 0">
            and version = (#{version} - 1)
        </if>
    </update>
    
    <!-- Update locks for a given exclusive lock -->
    <update id="update_ExclusiveLock" parameterMap="parameter_ExclusiveLockUpdateMap">
        update
            alf_lock
        set
            version = version + 1,
            lock_token = ?,
            start_time = ?,
            expiry_time = ?
        where
            excl_resource_id = ? and
            lock_token = ?
    </update>

</mapper>