/tests/META-INF/persistence.xml

<?xml version="1.0" encoding="UTF-8"?>
<!--**********************************************************************
Copyright (c) 2009 Google Inc.
Licensed 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

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distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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<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_1_0.xsd" version="1.0">

    <persistence-unit name="originalStorageVersion">
        <provider>org.datanucleus.api.jpa.PersistenceProviderImpl</provider>
        <properties>
            <property name="datanucleus.ConnectionURL" value="appengine"/>
            <property name="datanucleus.metadata.allowLoadAtRuntime" value="true"/>
            <property name="datanucleus.appengine.ignorableMetaDataBehavior" value="ERROR"/>
		    <property name="datanucleus.cache.level2.type" value="None"/>
            <property name="datanucleus.nontx.atomic" value="true"/>
            <property name="datanucleus.appengine.storageVersion" value="PARENTS_DO_NOT_REFER_TO_CHILDREN"/>
        </properties>
    </persistence-unit>

    <persistence-unit name="transactional_ds_non_transactional_ops_not_allowed">
        <provider>org.datanucleus.api.jpa.PersistenceProviderImpl</provider>
        <properties>
            <property name="datanucleus.ConnectionURL" value="appengine"/>
            <property name="datanucleus.metadata.allowLoadAtRuntime" value="true"/>
            <property name="datanucleus.appengine.ignorableMetaDataBehavior" value="ERROR"/>
		    <property name="datanucleus.cache.level2.type" value="None"/>
            <property name="datanucleus.nontx.atomic" value="true"/>
        </properties>
    </persistence-unit>

    <persistence-unit name="transactional_ds_non_transactional_ops_allowed">
        <provider>org.datanucleus.api.jpa.PersistenceProviderImpl</provider>
        <properties>
            <property name="datanucleus.ConnectionURL" value="appengine"/>
            <property name="datanucleus.NontransactionalRead" value="true"/>
            <property name="datanucleus.NontransactionalWrite" value="true"/>
            <property name="datanucleus.metadata.allowLoadAtRuntime" value="true"/>
            <property name="datanucleus.appengine.ignorableMetaDataBehavior" value="ERROR"/>
		    <property name="datanucleus.cache.level2.type" value="None"/>
            <property name="datanucleus.nontx.atomic" value="true"/>
        </properties>
    </persistence-unit>

    <persistence-unit name="nontransactional_ds_non_transactional_ops_not_allowed">
        <provider>org.datanucleus.api.jpa.PersistenceProviderImpl</provider>
        <properties>
            <property name="datanucleus.ConnectionURL" value="appengine"/>
            <property name="datanucleus.appengine.autoCreateDatastoreTxns" value="false"/>
            <property name="datanucleus.metadata.allowLoadAtRuntime" value="true"/>
            <property name="datanucleus.appengine.ignorableMetaDataBehavior" value="ERROR"/>
		    <property name="datanucleus.cache.level2.type" value="None"/>
            <property name="datanucleus.nontx.atomic" value="true"/>
        </properties>
    </persistence-unit>

    <persistence-unit name="nontransactional_ds_non_transactional_ops_allowed">
        <provider>org.datanucleus.api.jpa.PersistenceProviderImpl</provider>
        <properties>
            <property name="datanucleus.ConnectionURL" value="appengine"/>
            <property name="datanucleus.NontransactionalRead" value="true"/>
            <property name="datanucleus.NontransactionalWrite" value="true"/>
            <property name="datanucleus.appengine.autoCreateDatastoreTxns" value="false"/>
            <property name="datanucleus.metadata.allowLoadAtRuntime" value="true"/>
            <property name="datanucleus.appengine.ignorableMetaDataBehavior" value="ERROR"/>
		    <property name="datanucleus.cache.level2.type" value="None"/>
            <property name="datanucleus.nontx.atomic" value="true"/>
        </properties>
    </persistence-unit>

    <persistence-unit name="nontransactional_ds_non_transactional_ops_allowed_singleton">
        <provider>org.datanucleus.api.jpa.PersistenceProviderImpl</provider>
        <properties>
            <property name="datanucleus.ConnectionURL" value="appengine"/>
            <property name="datanucleus.NontransactionalRead" value="true"/>
            <property name="datanucleus.NontransactionalWrite" value="true"/>
            <property name="datanucleus.singletonEMFForName" value="true"/>
            <property name="datanucleus.appengine.autoCreateDatastoreTxns" value="false"/>
            <property name="datanucleus.metadata.allowLoadAtRuntime" value="true"/>
            <property name="datanucleus.appengine.ignorableMetaDataBehavior" value="ERROR"/>
		    <property name="datanucleus.cache.level2.type" value="None"/>
            <property name="datanucleus.nontx.atomic" value="true"/>
        </properties>
    </persistence-unit>

    <persistence-unit name="datastoreserviceconfigprops">
        <provider>org.datanucleus.api.jpa.PersistenceProviderImpl</provider>
        <properties>
            <property name="datanucleus.ConnectionURL" value="appengine"/>
            <property name="datanucleus.NontransactionalRead" value="true"/>
            <property name="datanucleus.NontransactionalWrite" value="true"/>
            <property name="datanucleus.datastoreReadTimeout" value="5000"/>
            <property name="datanucleus.datastoreWriteTimeout" value="10000"/>
            <property name="datanucleus.appengine.datastoreReadConsistency" value="EVENTUAL"/>
		    <property name="datanucleus.cache.level2.type" value="None"/>
            <property name="datanucleus.nontx.atomic" value="true"/>
        </properties>
    </persistence-unit>

    <persistence-unit name="allowXGTxns">
        <provider>org.datanucleus.api.jpa.PersistenceProviderImpl</provider>
        <properties>
            <property name="datanucleus.NontransactionalRead" value="true"/>
            <property name="datanucleus.NontransactionalWrite" value="true"/>
            <property name="datanucleus.ConnectionURL" value="appengine"/>
            <property name="datanucleus.nontx.atomic" value="true"/>
            <property name="datanucleus.appengine.datastoreEnableXGTransactions" value="true"/>
        </properties>
    </persistence-unit>

    <persistence-unit name="disallowXGTxns">
        <provider>org.datanucleus.api.jpa.PersistenceProviderImpl</provider>
        <properties>
            <property name="datanucleus.NontransactionalRead" value="true"/>
            <property name="datanucleus.NontransactionalWrite" value="true"/>
            <property name="datanucleus.ConnectionURL" value="appengine"/>
            <property name="datanucleus.nontx.atomic" value="true"/>
            <property name="datanucleus.appengine.datastoreEnableXGTransactions" value="false"/>
        </properties>
    </persistence-unit>

</persistence>