alfresco-community-repo/source/java/org/alfresco/repo/attributes/hibernate/Attributes.hbm.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd" >

<!-- Polymorphic, nestable attributes. -->
<hibernate-mapping package="org.alfresco.repo.attributes">
    <!-- Value is the base class for metadata values. -->
    <class table="alf_values" abstract="true"
           name="ValueImpl" proxy="Value"
           optimistic-lock="version"
           lazy="true">
        <cache usage="read-write"/>
        <id name="id" column="id" type="long">
            <generator class="native"/>
        </id>
        <discriminator column="type" type="string" length="1"/>
        <version column="version" name="version" type="long"/>
        <!-- A boolean valued attribute -->
        <subclass name="BooleanValueImpl" proxy="BooleanValue" lazy="true"
                  discriminator-value="O">
            <property name="booleanValue" column="bool_value" type="boolean" index="value_bool_index"/>
        </subclass>
        <!-- A byte valued attribute -->
        <subclass name="ByteValueImpl" proxy="ByteValue" lazy="true"
                  discriminator-value="Y">
            <property name="byteValue" column="byte_value" type="byte" index="value_byte_index"/>
        </subclass>
        <!-- A short valued attribute -->
        <subclass name="ShortValueImpl" proxy="ShortValue" lazy="true"
                  discriminator-value="H">
            <property name="shortValue" column="short_value" type="short" index="value_short_index"/>
        </subclass>        
        <!-- An integer valued attribute. -->
        <subclass name="IntValueImpl" proxy="IntValue" lazy="true"
                  discriminator-value="I">
            <property name="intValue" column="int_value" type="int" index="value_int_index"/>
        </subclass>
        <!-- A long valued attribute -->
        <subclass name="LongValueImpl" proxy="LongValue" lazy="true"
                  discriminator-value="L">
            <property name="longValue" column="long_value" type="long" index="value_long_index"/>
        </subclass>
        <!-- A float valued attribute -->
        <subclass name="FloatValueImpl" proxy="FloatValue" lazy="true"
                  discriminator-value="F">
            <property name="floatValue" column="float_value" type="float" index="value_float_index"/>
        </subclass>        
        <!-- A double valued attribute -->
        <subclass name="DoubleValueImpl" proxy="DoubleValue" lazy="true"
                  discriminator-value="D">
            <property name="doubleValue" column="double_value" type="double" index="value_double_index"/>
        </subclass>
        <!-- A string valued attribute -->
        <subclass name="StringValueImpl" proxy="StringValue" lazy="true"
                  discriminator-value="S">
            <property name="stringValue" column="string_value" type="string"
                      length="512" index="value_string_index(64)"/>
        </subclass>
        <!-- A blob valued attribute -->
        <subclass name="BlobValueImpl" proxy="BlobValue" lazy="true"
                  discriminator-value="B">
            <property name="blobValue" column="blob_value" type="blob"
                      length="8192"/>
        </subclass>
        <!-- A serializable attribute -->
        <subclass name="SerializableValueImpl" proxy="SerializableValue" lazy="true"
                  discriminator-value="E">
            <property name="serializableValue" column="serializable_value" lazy="true"
                      length="8192"/>
        </subclass>
        <!-- A list attribute -->
        <subclass name="ListValueImpl" proxy="ListValue" lazy="true"
                  discriminator-value="T">
            <list name="data" table="alf_list_data" lazy="true" cascade="all">
                <cache usage="read-write"/>
                <key column="value_id"/>
                <index type="int" column="offset"/>
                <many-to-many class="ValueImpl" column="list_value" lazy="true"/>                
            </list>
        </subclass>
        <!-- A map attribute -->
        <subclass name="MapValueImpl" proxy="MapValue" lazy="true"
                  discriminator-value="M">
            <map name="data" table="alf_map_data" lazy="true" cascade="all">
                <cache usage="read-write"/>
                <key column="value_id"/>
                <map-key column="map_key" type="string" length="160"/>
                <many-to-many class="AttributeImpl" column="map_attr" lazy="true"/>
            </map>
        </subclass>
    </class>
</hibernate-mapping>