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

<!-- 
 * Licensed to The Apereo Foundation under one or more contributor license
 * agreements. See the NOTICE file distributed with this work for
 * additional information regarding copyright ownership.
 *
 * The Apereo Foundation licenses this file to you 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.
 * 
 -->
<hibernate-mapping package="org.unitime.timetable.model">
    <class name="PitCourseOffering" table="pit_course_offering">
        <cache include="non-lazy" usage="transactional"/>
        <id
            name="uniqueId"
            column="uniqueid"
            type="java.lang.Long">
            <generator class="org.unitime.commons.hibernate.id.UniqueIdGenerator">
                <param name="sequence">point_in_time_seq</param>
            </generator>
        </id>

        <properties name="uniqueCourseNbr" unique="true">
            <many-to-one
                name="subjectArea"
                class="SubjectArea"
                column="subject_area_id"
                insert="false"
                update="false"
                not-null="true"
                foreign-key="fk_pit_co_to_sa"/>

            <property
                name="courseNbr"
                column="course_nbr"
                type="java.lang.String"
                not-null="true"
                insert="false"
                update="false"
                length="40"/>

        </properties>

        <property
            name="subjectAreaAbbv"
            type="java.lang.String"
            formula=" ( select sa.subject_area_abbreviation from %SCHEMA%.subject_area sa where sa.uniqueid = subject_area_id ) "/>

        <property
            name="courseNbr"
            column="course_nbr"
            type="java.lang.String"
            not-null="true"
            length="10"/>

        <property
            name="isControl"
            column="is_control"
            type="java.lang.Boolean"
            not-null="true"/>

        <property
            name="permId"
            column="perm_id"
            type="java.lang.String"
            not-null="false"
            length="20"/>

        <property
            name="projectedDemand"
            column="proj_demand"
            type="java.lang.Integer"
            length="5"/>

        <property
            name="nbrExpectedStudents"
            column="nbr_expected_stdents"
            type="java.lang.Integer"
            length="10"
            not-null="true"/>

        <property
            name="demand"
            column="lastlike_demand"
            type="java.lang.Integer"
            length="10"
            not-null="true"/>

         <property
            name="enrollment"
            type="java.lang.Integer"
            lazy="true"
            formula="(select count(distinct e.pit_student_id) from %SCHEMA%.pit_student_class_enrl e where e.pit_course_offering_id = uniqueid)"/>


        <property
            name="title"
            column="title"
            type="java.lang.String"
            not-null="false"
            length="200"/>

        <property
            name="externalUniqueId"
            column="external_uid"
            type="java.lang.String"
            not-null="false"
            length="40"/>

        <property
            name="uniqueIdRolledForwardFrom"
            column="uid_rolled_fwd_from"
            type="java.lang.Long"
            not-null="false"
            length="20"/>


        <many-to-one
            name="subjectArea"
            class="SubjectArea"
            column="subject_area_id"
            insert="true"
            update="true"
            not-null="true"
            foreign-key="fk_pit_co_to_sa"/>

        <many-to-one
            name="courseOffering"
            class="CourseOffering"
            column="course_offering_id"
            not-null="false"
            insert="true"
            update="true"
            foreign-key="fk_pit_co_to_co"/>

        <many-to-one
            name="pitInstructionalOffering"
            class="PitInstructionalOffering"
            column="pit_instr_offr_id"
            not-null="true"
            insert="true"
            update="true"
            foreign-key="fk_pit_co_to_pit_io"/>

        <many-to-one
            name="courseType"
            class="CourseType"
            column="course_type_id"
            not-null="false"
            foreign-key="fk_pit_co_to_ct"/>

<!-- TODO:  decide what to do with course credit
        <set
            name="creditConfigs"
            inverse="true"
            lazy="true"
            cascade="all-delete-orphan"
            table="course_credit_unit_config">

            <cache include="non-lazy" usage="transactional"/>
            <key column="course_id" foreign-key="fk_crs_crdt_unit_cfg_crs_own"/>
            <one-to-many class="CourseCreditUnitConfig"/>
        </set>
 -->
    </class>
</hibernate-mapping>