com.liferay.portal.kernel.dao.orm.IndexableActionableDynamicQuery.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.portal.kernel.dao.orm;

import com.liferay.portal.kernel.backgroundtask.BackgroundTaskThreadLocal;
import com.liferay.portal.kernel.exception.PortalException;
import com.liferay.portal.kernel.search.Document;
import com.liferay.portal.kernel.search.IndexWriterHelper;
import com.liferay.portal.kernel.search.SearchEngineHelperUtil;
import com.liferay.portal.kernel.search.background.task.ReindexStatusMessageSenderUtil;
import com.liferay.portal.kernel.util.ArrayUtil;
import com.liferay.portal.kernel.util.ServiceProxyFactory;
import com.liferay.portal.kernel.util.Validator;

import java.util.ArrayList;
import java.util.Collection;
import java.util.concurrent.ConcurrentLinkedDeque;

/**
 * @author Andrew Betts
 */
public class IndexableActionableDynamicQuery extends DefaultActionableDynamicQuery {

    public void addDocuments(Document... documents) throws PortalException {
        if (ArrayUtil.isEmpty(documents)) {
            return;
        }

        for (Document document : documents) {
            if (document != null) {
                _documents.add(document);
            }
        }

        long size = _documents.size();

        if (size >= getInterval()) {
            indexInterval();
        } else if ((size % _STATUS_INTERVAL) == 0) {
            sendStatusMessage(size);
        }
    }

    @Override
    public void performActions() throws PortalException {
        if (BackgroundTaskThreadLocal.hasBackgroundTask()) {
            _total = super.performCount();
        }

        try {
            super.performActions();
        } finally {
            _count = _total;

            sendStatusMessage();
        }
    }

    public void setIndexWriterHelper(IndexWriterHelper indexWriterHelper) {
        _indexWriterHelper = indexWriterHelper;
    }

    @Override
    public void setParallel(boolean parallel) {
        if (isParallel() == parallel) {
            return;
        }

        super.setParallel(parallel);

        if (parallel) {
            _documents = new ConcurrentLinkedDeque<>();
        }
    }

    public void setSearchEngineId(String searchEngineId) {
        _searchEngineId = searchEngineId;
    }

    @Override
    protected void actionsCompleted() throws PortalException {
        if (Validator.isNotNull(_searchEngineId)) {
            _indexWriterHelper.commit(_searchEngineId, getCompanyId());
        }
    }

    @Override
    protected long doPerformActions(long previousPrimaryKey) throws PortalException {

        try {
            return super.doPerformActions(previousPrimaryKey);
        } finally {
            indexInterval();
        }
    }

    protected String getSearchEngineId() {
        return _searchEngineId;
    }

    protected void indexInterval() throws PortalException {
        if ((_documents == null) || _documents.isEmpty()) {
            return;
        }

        if (Validator.isNull(_searchEngineId)) {
            _searchEngineId = SearchEngineHelperUtil.getSearchEngineId(_documents);
        }

        _indexWriterHelper.updateDocuments(_searchEngineId, getCompanyId(), new ArrayList<>(_documents), false);

        _count += _documents.size();

        _documents.clear();

        sendStatusMessage();
    }

    protected void sendStatusMessage() {
        sendStatusMessage(0);
    }

    protected void sendStatusMessage(long documentIntervalCount) {
        if (!BackgroundTaskThreadLocal.hasBackgroundTask()) {
            return;
        }

        Class<?> modelClass = getModelClass();

        ReindexStatusMessageSenderUtil.sendStatusMessage(modelClass.getName(), _count + documentIntervalCount,
                _total);
    }

    private static final long _STATUS_INTERVAL = 1000;

    private static volatile IndexWriterHelper _indexWriterHelperProxy = ServiceProxyFactory
            .newServiceTrackedInstance(IndexWriterHelper.class, IndexableActionableDynamicQuery.class,
                    "_indexWriterHelperProxy", false);

    private long _count;
    private Collection<Document> _documents = new ArrayList<>();
    private IndexWriterHelper _indexWriterHelper = _indexWriterHelperProxy;
    private String _searchEngineId;
    private long _total;

}