<?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><![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
                                        JSR-317 Final Release
                                        323 11/10/09
                                        Sun Microsystems, Inc.
                                        Entity Packaging
                                        Java Persistence 2.0, Final Release persistence.xml Schema
                                        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>