<?xml version="1.0" encoding="UTF-8"?>
<!-- persistence.xml schema -->
<xsd:schema targetNamespace="http://java.sun.com/xml/ns/persistence"
    xmlns:xsd="http://www.w3.org/2001/XMLSchema" 
    xmlns:persistence="http://java.sun.com/xml/ns/persistence"
    elementFormDefault="qualified" attributeFormDefault="unqualified"
    version="2.0">

    <xsd:annotation>
        <xsd:documentation>
            @(#)persistence_2_0.xsd 1.0 October 1 2009
        </xsd:documentation>
    </xsd:annotation>

    <xsd:annotation>
        <xsd:documentation>

          DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.

          Copyright 2005-2009 Sun Microsystems, Inc. All rights reserved.

          The contents of this file are subject to the terms of either the
          GNU General Public License Version 2 only ("GPL") or the Common
          Development and Distribution License("CDDL") (collectively, the
          "License").  You may not use this file except in compliance with
          the License. You can obtain a copy of the License at
          https://glassfish.dev.java.net/public/CDDL+GPL.html or
          glassfish/bootstrap/legal/LICENSE.txt.  See the License for the
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          License.

          When distributing the software, include this License Header
          Notice in each file and include the License file at
          glassfish/bootstrap/legal/LICENSE.txt.  Sun designates this
          particular file as subject to the "Classpath" exception as
          provided by Sun in the GPL Version 2 section of the License file
          that accompanied this code.  If applicable, add the following
          below the License Header, with the fields enclosed by brackets []
          replaced by your own identifying information:
          "Portions Copyrighted [year] [name of copyright owner]"

          Contributor(s):

          If you wish your version of this file to be governed by only the
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          "[Contributor] elects to include this software in this
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          don't indicate a single choice of license, a recipient has the
          option to distribute your version of this file under either the
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          option applies only if the new code is made subject to such
          option by the copyright holder.

        </xsd:documentation>
    </xsd:annotation>

    <xsd:annotation>
        <xsd:documentation><![CDATA[
            This is the XML Schema for the persistence configuration file.
            The file must be named "META-INF/persistence.xml" in the
            persistence archive.
            Persistence configuration files must indicate
            the persistence schema by using the persistence namespace:
            http://java.sun.com/xml/ns/persistence
            and indicate the version of the schema by
            using the version element as shown below:
            <persistence xmlns="http://java.sun.com/xml/ns/persistence"
            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
            xsi:schemaLocation="http://java.sun.com/xml/ns/persistence
            http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd"
            version="2.0">
            ...
           </persistence>
        ]]></xsd:documentation>
    </xsd:annotation>

    <xsd:simpleType name="versionType">
        <xsd:restriction base="xsd:token">
            <xsd:pattern value="[0-9]+(\.[0-9]+)*" />
        </xsd:restriction>
    </xsd:simpleType>
    <!-- **************************************************** -->
    <xsd:element name="persistence">
        <xsd:complexType>
            <xsd:sequence>
                <!-- **************************************************** -->
                <xsd:element name="persistence-unit"
                    minOccurs="1" maxOccurs="unbounded">
                    <xsd:complexType>
                        <xsd:annotation>
                            <xsd:documentation>
                                Configuration of a persistence unit.
                            </xsd:documentation>
                        </xsd:annotation>
                        <xsd:sequence>
                            <!-- **************************************************** -->
                            <xsd:element name="description"
                                type="xsd:string" minOccurs="0">
                                <xsd:annotation>
                                    <xsd:documentation>
                                        Description of this persistence unit.
                                    </xsd:documentation>
                                </xsd:annotation>
                            </xsd:element>
                            <!-- **************************************************** -->
                            <xsd:element name="provider"
                                type="xsd:string" minOccurs="0">
                                <xsd:annotation>
                                    <xsd:documentation>
                                        Provider class that supplies EntityManagers for this
                                        persistence unit.
                                    </xsd:documentation>
                                </xsd:annotation>
                            </xsd:element>
                            <!-- **************************************************** -->
                            <xsd:element name="jta-data-source"
                                type="xsd:string" minOccurs="0">
                                <xsd:annotation>
                                    <xsd:documentation>
                                        The container-specific name of the JTA datasource to use.
                                    </xsd:documentation>
                                </xsd:annotation>
                            </xsd:element>
                            <!-- **************************************************** -->
                            <xsd:element name="non-jta-data-source"
                                type="xsd:string" minOccurs="0">
                                <xsd:annotation>
                                    <xsd:documentation>
                                        The container-specific name of a non-JTA datasource to use.
                                    </xsd:documentation>
                                </xsd:annotation>
                            </xsd:element>
                            <!-- **************************************************** -->
                            <xsd:element name="mapping-file"
                                type="xsd:string" minOccurs="0"
                                maxOccurs="unbounded">
                                <xsd:annotation>
                                    <xsd:documentation>
                                        File containing mapping information. Loaded as a resource
                                        by the persistence provider.
                                    </xsd:documentation>
                                </xsd:annotation>
                            </xsd:element>
                            <!-- **************************************************** -->
                            <xsd:element name="jar-file"
                                type="xsd:string" minOccurs="0"
                                maxOccurs="unbounded">
                                <xsd:annotation>
                                    <xsd:documentation>
                                        Jar file that is to be scanned for managed classes.
                                    </xsd:documentation>
                                </xsd:annotation>
                            </xsd:element>
                            <!-- **************************************************** -->
                            <xsd:element name="class" type="xsd:string"
                                minOccurs="0" maxOccurs="unbounded">
                                <xsd:annotation>
                                    <xsd:documentation>
                                        Managed class to be included in the persistence unit and
                                        to scan for annotations. It should be annotated
                                        with either @Entity, @Embeddable or @MappedSuperclass.
                                    </xsd:documentation>
                                </xsd:annotation>
                            </xsd:element>
                            <!-- **************************************************** -->
                            <xsd:element name="exclude-unlisted-classes"
                                type="xsd:boolean" default="true"
                                minOccurs="0">
                                <xsd:annotation>
                                    <xsd:documentation>
                                        When set to true then only listed classes and jars will
                                        be scanned for persistent classes, otherwise the
                                        enclosing jar or directory will also be scanned.
                                        Not applicable to Java SE persistence units.
                                    </xsd:documentation>
                                </xsd:annotation>
                            </xsd:element>
                            <!-- **************************************************** -->
                            <xsd:element name="shared-cache-mode"
                                type="persistence:persistence-unit-caching-type"
                                minOccurs="0">
                                <xsd:annotation>
                                    <xsd:documentation>
                                        Defines whether caching is enabled for the
                                        persistence unit if caching is supported by the
                                        persistence provider. When set to ALL, all entities
                                        will be cached. When set to NONE, no entities will
                                        be cached. When set to ENABLE_SELECTIVE, only entities
                                        specified as cacheable will be cached. When set to
                                        DISABLE_SELECTIVE, entities specified as not cacheable
                                        will not be cached. When not specified or when set to
                                        UNSPECIFIED, provider defaults may apply.
                                    </xsd:documentation>
                                </xsd:annotation>
                            </xsd:element>
                            <!-- **************************************************** -->
                            <xsd:element name="validation-mode"
                                type="persistence:persistence-unit-validation-mode-type"
                                minOccurs="0">
                                <xsd:annotation>
                                    <xsd:documentation>
                                        The validation mode to be used for the persistence unit.
                                    </xsd:documentation>
                                </xsd:annotation>
                            </xsd:element>
                            <!-- **************************************************** -->
                            <xsd:element name="properties"
                                minOccurs="0">
                                <xsd:annotation>
                                    <xsd:documentation>
                                        A list of standard and vendor-specific properties
                                        and hints.
                                    </xsd:documentation>
                                </xsd:annotation>
                                <xsd:complexType>
                                    <xsd:sequence>
                                        <xsd:element name="property"
                                            minOccurs="0" maxOccurs="unbounded">
                                            <xsd:annotation>
                                                <xsd:documentation>
                                                    A name-value pair.
                                                </xsd:documentation>
                                            </xsd:annotation>
                                            <xsd:complexType>
                                                <xsd:attribute
                                                    name="name" type="xsd:string"
                                                    use="required" />
                                                <xsd:attribute
                                                    name="value" type="xsd:string"
                                                    use="required" />
                                            </xsd:complexType>
                                        </xsd:element>
                                    </xsd:sequence>
                                </xsd:complexType>
                            </xsd:element>
                        </xsd:sequence>
                        <!-- **************************************************** -->
                        <xsd:attribute name="name" type="xsd:string"
                            use="required">
                            <xsd:annotation>
                                <xsd:documentation>
                                    Name used in code to reference this persistence unit.
                                </xsd:documentation>
                            </xsd:annotation>
                        </xsd:attribute>
                        <!-- **************************************************** -->
                        <xsd:attribute name="transaction-type"
                            type="persistence:persistence-unit-transaction-type">
                            <xsd:annotation>
                                <xsd:documentation>
                                    Type of transactions used by EntityManagers from this
                                    persistence unit.
                                </xsd:documentation>
                            </xsd:annotation>
                        </xsd:attribute>
                    </xsd:complexType>
                </xsd:element>
            </xsd:sequence>
            <xsd:attribute name="version" type="persistence:versionType"
                fixed="2.0" use="required" />
        </xsd:complexType>
    </xsd:element>
    <!-- **************************************************** -->
    <xsd:simpleType name="persistence-unit-transaction-type">
        <xsd:annotation>
            <xsd:documentation>
                public enum PersistenceUnitTransactionType {JTA, RESOURCE_LOCAL};
            </xsd:documentation>
        </xsd:annotation>
        <xsd:restriction base="xsd:token">
            <xsd:enumeration value="JTA" />
            <xsd:enumeration value="RESOURCE_LOCAL" />
        </xsd:restriction>
    </xsd:simpleType>
    <!-- **************************************************** -->
    <xsd:simpleType name="persistence-unit-caching-type">
        <xsd:annotation>
            <xsd:documentation>
                public enum SharedCacheMode { ALL, NONE, ENABLE_SELECTIVE,
                DISABLE_SELECTIVE, UNSPECIFIED};
            </xsd:documentation>
        </xsd:annotation>
        <xsd:restriction base="xsd:token">
            <xsd:enumeration value="ALL" />
            <xsd:enumeration value="NONE" />
            <xsd:enumeration value="ENABLE_SELECTIVE" />
            <xsd:enumeration value="DISABLE_SELECTIVE" />
            <xsd:enumeration value="UNSPECIFIED" />
        </xsd:restriction>
    </xsd:simpleType>
    <!-- **************************************************** -->
    <xsd:simpleType name="persistence-unit-validation-mode-type">
        <xsd:annotation>
            <xsd:documentation>
                public enum ValidationMode { AUTO, CALLBACK, NONE};
            </xsd:documentation>
        </xsd:annotation>
        <xsd:restriction base="xsd:token">
            <xsd:enumeration value="AUTO" />
            <xsd:enumeration value="CALLBACK" />
            <xsd:enumeration value="NONE" />
        </xsd:restriction>
    </xsd:simpleType>
</xsd:schema>
