myMappingFile2.xml

<?xml version="1.0" encoding="UTF-8"?>
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    This program and the accompanying materials are made available under the
    terms of the Eclipse Public License v. 2.0, which is available at
    http://www.eclipse.org/legal/epl-2.0.

    This Source Code may also be made available under the following Secondary
    Licenses when the conditions for such availability set forth in the
    Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
    version 2 with the GNU Classpath Exception, which is available at
    https://www.gnu.org/software/classpath/license.html.

    SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0

-->

<entity-mappings xmlns="https://jakarta.ee/xml/ns/persistence/orm"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="https://jakarta.ee/xml/ns/persistence/orm
    https://jakarta.ee/xml/ns/persistence/orm/orm_3_1.xsd"
    version="3.1">
    <entity name="B" class="com.sun.ts.tests.jpa.ee.packaging.ejb.descriptor.B" access="PROPERTY">
        <table name="BEJB_1X1_BI_BTOB"/>
        <attributes>
            <id name="id">
                <column name="ID"/>
            </id>
            <basic name="name">
                <column name="NAME"/>
            </basic>
            <basic name="value">
                <column name="VALUE"/>
            </basic>
            <one-to-one name="a"
                        target-entity="com.sun.ts.tests.jpa.ee.packaging.ejb.descriptor.A"
                        fetch="EAGER">
                <join-column name="FK_FOR_AEJB_1X1_BI_BTOB"/>
                <cascade>
                    <cascade-persist/>
                </cascade>
            </one-to-one>
        </attributes>
    </entity>
</entity-mappings>