DataNucleusCreateObjectCommand.java

/*
 *  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.
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package org.apache.isis.objectstore.jdo.datanucleus.persistence.commands;

import javax.jdo.PersistenceManager;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import org.apache.isis.core.metamodel.adapter.ObjectAdapter;
import org.apache.isis.core.runtime.persistence.objectstore.transaction.CreateObjectCommand;
import org.apache.isis.core.runtime.persistence.objectstore.transaction.PersistenceCommandContext;

public class DataNucleusCreateObjectCommand extends AbstractDataNucleusObjectCommand implements CreateObjectCommand {

    private static final Logger LOG = LoggerFactory
            .getLogger(DataNucleusCreateObjectCommand.class);

    public DataNucleusCreateObjectCommand(ObjectAdapter adapter, PersistenceManager persistenceManager) {
        super(adapter, persistenceManager);
    }


    @Override
    public void execute(final PersistenceCommandContext context) {
        if (LOG.isDebugEnabled()) {
            LOG.debug("create object - executing command for: " + onAdapter());
        }
        final ObjectAdapter adapter = onAdapter();
        if(!adapter.isTransient()) {
            // this could happen if DN's persistence-by-reachability has already caused the domainobject
            // to be persisted.  It's Isis adapter will have been updated as a result of the postStore
            // lifecycle callback, so in essence there's nothing to be done.
            return;
        }
        final Object domainObject = adapter.getObject();

        getPersistenceManager().makePersistent(domainObject);
    }

    @Override
    public String toString() {
        return "CreateObjectCommand [adapter=" + onAdapter() + "]";
    }

}