com.liferay.knowledgebase.hook.upgrade.v1_1_0.util.KBArticleRootResourcePrimKeyUpgradeColumnImpl.java Source code

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/**
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library 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 Lesser General Public License for more
 * details.
 */

package com.liferay.knowledgebase.hook.upgrade.v1_1_0.util;

import com.liferay.knowledgebase.model.KBArticle;
import com.liferay.knowledgebase.service.KBArticleLocalServiceUtil;
import com.liferay.portal.kernel.upgrade.util.BaseUpgradeColumnImpl;
import com.liferay.portal.kernel.upgrade.util.UpgradeColumn;
import com.liferay.portal.kernel.workflow.WorkflowConstants;

/**
 * @author Peter Shin
 */
public class KBArticleRootResourcePrimKeyUpgradeColumnImpl extends BaseUpgradeColumnImpl {

    public KBArticleRootResourcePrimKeyUpgradeColumnImpl(UpgradeColumn resourcePrimKeyColumn) {

        super("rootResourcePrimKey");

        _resourcePrimKeyColumn = resourcePrimKeyColumn;
    }

    @Override
    public Object getNewValue(Object oldValue) throws Exception {
        Long resourcePrimKey = (Long) _resourcePrimKeyColumn.getOldValue();

        KBArticle kbArticle = KBArticleLocalServiceUtil.getLatestKBArticle(resourcePrimKey,
                WorkflowConstants.STATUS_ANY);

        while (!kbArticle.isRoot()) {
            kbArticle = KBArticleLocalServiceUtil.getLatestKBArticle(kbArticle.getParentResourcePrimKey(),
                    WorkflowConstants.STATUS_ANY);
        }

        return new Long(kbArticle.getResourcePrimKey());
    }

    private UpgradeColumn _resourcePrimKeyColumn;

}