Package org.apache.isis.objectstore.jdo.datanucleus.persistence

Source Code of org.apache.isis.objectstore.jdo.datanucleus.persistence.Utils

/*
*  Licensed to the Apache Software Foundation (ASF) under one
*  or more contributor license agreements.  See the NOTICE file
*  distributed with this work for additional information
*  regarding copyright ownership.  The ASF 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.
*/
package org.apache.isis.objectstore.jdo.datanucleus.persistence;

import java.util.Date;

import javax.jdo.listener.InstanceLifecycleEvent;
import javax.jdo.spi.PersistenceCapable;

import org.apache.isis.core.commons.authentication.AuthenticationSession;
import org.apache.isis.core.metamodel.adapter.ObjectAdapter;
import org.apache.isis.core.metamodel.adapter.version.SerialNumberVersion;
import org.apache.isis.core.metamodel.adapter.version.Version;

public class Utils {

    @SuppressWarnings("unused")
    private static Object jdoObjectIdFor(InstanceLifecycleEvent event) {
        PersistenceCapable persistenceCapable = Utils.persistenceCapableFor(event);
        Object jdoObjectId = persistenceCapable.jdoGetObjectId();
        return jdoObjectId;
    }

    static PersistenceCapable persistenceCapableFor(InstanceLifecycleEvent event) {
        return (PersistenceCapable)event.getSource();
    }

    static void clearDirtyFor(final ObjectAdapter adapter) {
        adapter.getSpecification().clearDirty(adapter);
    }

    static Version getVersionIfAny(final PersistenceCapable pojo, final AuthenticationSession authenticationSession) {
        Object jdoVersion = pojo.jdoGetVersion();
        if(jdoVersion instanceof Long) {
            return SerialNumberVersion.create((Long) jdoVersion, authenticationSession.getUserName(), null);
        }
        return null;
    }

}
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