com.aurel.track.lucene.index.listFields.InternalListIndexer.java Source code

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Here is the source code for com.aurel.track.lucene.index.listFields.InternalListIndexer.java

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/**
 * Genji Scrum Tool and Issue Tracker
 * Copyright (C) 2015 Steinbeis GmbH & Co. KG Task Management Solutions
    
 * <a href="http://www.trackplus.com">Genji Scrum Tool</a>
 *
 * 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/>.
 */

/* $Id:$ */

package com.aurel.track.lucene.index.listFields;

import java.io.IOException;
import java.util.List;

import org.apache.commons.lang3.exception.ExceptionUtils;
import org.apache.logging.log4j.Logger;
import org.apache.logging.log4j.LogManager;
import org.apache.lucene.document.Document;
import org.apache.lucene.index.IndexWriter;

import com.aurel.track.beans.ILabelBean;
import com.aurel.track.cluster.ClusterBL;
import com.aurel.track.fieldType.runtime.base.IFieldTypeRT;
import com.aurel.track.fieldType.runtime.callbackInterfaces.ILookup;
import com.aurel.track.lucene.LuceneUtil;
import com.aurel.track.lucene.index.LuceneIndexer;

/**
 * Index the internal (inside track+ db tables) localized and lot localized list fields
 * @author Tamas Ruff
 *
 */
public abstract class InternalListIndexer extends AbstractListFieldIndexer {

    private static final Logger LOGGER = LogManager.getLogger(InternalListIndexer.class);

    /**
     * Loads all indexable entitities for reindex
     * @return
     */
    @Override
    protected List loadAllIndexable(IFieldTypeRT fieldTypeRT, Integer fieldID) {
        return ((ILookup) fieldTypeRT).getDataSource(fieldID);
    }

    /**
     * 
     * Adds a ILabelBeans to the non-localized lookup index  
     * @param labelBean
     * @param type
     */
    public synchronized void addLabelBean(ILabelBean labelBean, int type, boolean add) {
        if (!LuceneUtil.isUseLucene()) {
            return;
        }
        if (!ClusterBL.indexInstantly()) {
            LOGGER.debug("Index instantly is false");
            return;
        }
        if (labelBean == null || labelBean.getObjectID() == null) {
            LOGGER.warn("Bean or value null by adding a internal list option of type " + type);
            return;
        }
        if (LOGGER.isDebugEnabled()) {
            LOGGER.debug("Save a new " + add + " internal list option of type " + type);
        }
        Document document = createDocument(labelBean, type);
        if (document != null) {
            IndexWriter indexWriter = LuceneIndexer.getIndexWriter(getIndexWriterID());
            if (indexWriter == null) {
                LOGGER.error("IndexWriter null by adding a non-localized list option of type " + type);
                return;
            }
            try {
                indexWriter.addDocument(document);
            } catch (IOException e) {
                LOGGER.error("Adding the document for list option with key " + labelBean.getObjectID()
                        + " and type " + type + " failed with " + e.getMessage());
                LOGGER.debug(ExceptionUtils.getStackTrace(e));
            }
            try {
                indexWriter.commit();
            } catch (IOException e) {
                LOGGER.error("Flushing list option with key " + labelBean.getObjectID() + " and type " + type
                        + " failed with " + e.getMessage());
                LOGGER.debug(ExceptionUtils.getStackTrace(e));
            }
        }
    }

    /**
     * Updates the non-localized lookup index with a modified ILabelBean 
     * @param labelBean
     * @param type
     */
    public void updateLabelBean(ILabelBean labelBean, int type) {
        deleteByKeyAndType(labelBean.getObjectID(), type);
        addLabelBean(labelBean, type, false);
    }

    /**
     * Creates a non-localized lookup document.
     * @param externalObject
     * @param fieldTypeRT
     * @param fieldID
     */
    @Override
    protected Document createDocument(Object externalObject, IFieldTypeRT fieldTypeRT, Integer fieldID) {
        ILabelBean labelBean = (ILabelBean) externalObject;
        int type = fieldTypeRT.getLookupEntityType();
        return createDocument(labelBean, type);
    }

    /** 
     * Creates a non-localized lookup document.
     * @param labelBean
     * @param type
     * @return
     */
    protected abstract Document createDocument(ILabelBean labelBean, int type);
}