ru.apertum.qsystem.server.model.QServiceTree.java Source code

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Here is the source code for ru.apertum.qsystem.server.model.QServiceTree.java

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/*
 *  Copyright (C) 2010 {Apertum}Projects. web: www.apertum.ru email: info@apertum.ru
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package ru.apertum.qsystem.server.model;

import java.util.Date;
import java.util.LinkedList;
import javax.swing.tree.TreeNode;
import org.hibernate.criterion.CriteriaSpecification;
import org.hibernate.criterion.DetachedCriteria;
import org.hibernate.criterion.Property;
import ru.apertum.qsystem.server.Spring;

/**
 *  ?.
 * ?? ? ?  JTree.
 * ?? DefaultTreeModel  ? ? .
 * Singleton.
 * @author Evgeniy Egorov
 */
public class QServiceTree extends ATreeModel<QService> {

    public static QServiceTree getInstance() {
        return QServiceTreeHolder.INSTANCE;
    }

    @Override
    protected LinkedList<QService> load() {
        return new LinkedList<>(Spring.getInstance().getHt()
                .findByCriteria(DetachedCriteria.forClass(QService.class)
                        .setResultTransformer(CriteriaSpecification.DISTINCT_ROOT_ENTITY)
                        .add(Property.forName("deleted").isNull()).addOrder(Property.forName("seqId").asc())
                        .addOrder(Property.forName("id").asc())));
    }

    @Override
    public void save() {
        deleted.stream().forEach((t) -> {
            QServiceTree.sailToStorm(t, (TreeNode service) -> {
                final QService qs = (QService) service;
                qs.setDeleted(new Date());
                if (!deleted.contains(qs)) {
                    deleted.add(qs);
                }
            });
        });
        Spring.getInstance().getHt().saveOrUpdateAll(deleted);
        deleted.clear();
        Spring.getInstance().getHt().saveOrUpdateAll(getNodes());
    }

    private static class QServiceTreeHolder {

        private static final QServiceTree INSTANCE = new QServiceTree();
    }

    private QServiceTree() {
        super();
    }
}