ImageTools/engine/src/main/resources/hibernate/Image.hbm.xml

<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE hibernate-mapping PUBLIC
    "-//Hibernate/Hibernate Mapping DTD//EN"
    "http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">
<hibernate-mapping>
  <class name="com.sothr.imagetools.engine.image.Image" table="Image">
    <meta attribute="class-description">
      This class contains the image hashes and meta data
    </meta>
    <id name="imagePath" type="string" column="path"/>
    <property name="thumbnailPath" column="thumbnail_path" type="string" not-null="true"/>
    <property name="width" column="width" type="int" not-null="true"/>
    <property name="height" column="height" type="int" not-null="true"/>
    <many-to-one name="hashes" column="hashes" unique="true" class="com.sothr.imagetools.engine.dto.ImageHashDTO"
                 cascade="save-update, delete" not-null="true" lazy="false"/>
  </class>
</hibernate-mapping>