com.liferay.util.bridges.alloy.BaseAlloyIndexer.java Source code

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Here is the source code for com.liferay.util.bridges.alloy.BaseAlloyIndexer.java

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/**
 * Copyright (c) 2000-2012 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.util.bridges.alloy;

import com.liferay.portal.kernel.search.BaseIndexer;
import com.liferay.portal.kernel.search.BooleanQuery;
import com.liferay.portal.kernel.search.Document;
import com.liferay.portal.kernel.search.DocumentImpl;
import com.liferay.portal.kernel.search.Field;
import com.liferay.portal.kernel.search.Indexer;
import com.liferay.portal.kernel.search.SearchContext;
import com.liferay.portal.kernel.search.SearchEngineUtil;
import com.liferay.portal.kernel.util.GetterUtil;
import com.liferay.portal.kernel.util.MethodHandler;
import com.liferay.portal.kernel.util.MethodKey;
import com.liferay.portal.kernel.workflow.WorkflowConstants;
import com.liferay.portal.model.AuditedModel;
import com.liferay.portal.model.BaseModel;

import java.util.ArrayList;
import java.util.Collection;
import java.util.List;

/**
 * @author Brian Wing Shun Chan
 */
public abstract class BaseAlloyIndexer extends BaseIndexer {

    public BaseAlloyIndexer(String portletId, String className) {
        this.portletId = portletId;
        classNames = new String[] { className };

        getModelMethodKey = new MethodKey("XxxLocalServiceUtil", "getXxx", long.class);
        getModelsCountMethodKey = new MethodKey("XxxLocalServiceUtil", "getXxxsCount");
        getModelsMethodKey = new MethodKey("XxxLocalServiceUtil", "getXxxs", int.class, int.class);
    }

    public String[] getClassNames() {
        return classNames;
    }

    @Override
    public void postProcessContextQuery(BooleanQuery contextQuery, SearchContext searchContext) throws Exception {

        int status = GetterUtil.getInteger(searchContext.getAttribute(Field.STATUS), WorkflowConstants.STATUS_ANY);

        if (status != WorkflowConstants.STATUS_ANY) {
            contextQuery.addRequiredTerm(Field.STATUS, status);
        }
    }

    @Override
    protected void doDelete(Object obj) throws Exception {
        BaseModel<?> baseModel = (BaseModel<?>) obj;

        Document document = new DocumentImpl();

        document.addUID(portletId, String.valueOf(baseModel.getPrimaryKeyObj()));

        AuditedModel auditedModel = (AuditedModel) obj;

        SearchEngineUtil.deleteDocument(auditedModel.getCompanyId(), document.get(Field.UID));
    }

    @Override
    protected void doReindex(Object obj) throws Exception {
        Document document = getDocument(obj);

        AuditedModel auditedModel = (AuditedModel) obj;

        SearchEngineUtil.updateDocument(auditedModel.getCompanyId(), document);
    }

    @Override
    protected void doReindex(String className, long classPK) throws Exception {
        MethodHandler methodHandler = new MethodHandler(getModelMethodKey, classPK);

        Object model = methodHandler.invoke(false);

        doReindex(model);
    }

    @Override
    protected void doReindex(String[] ids) throws Exception {
        long companyId = GetterUtil.getLong(ids[0]);

        reindexModels(companyId);
    }

    @Override
    protected String getPortletId(SearchContext searchContext) {
        return portletId;
    }

    protected void reindexModels(long companyId) throws Exception {
        MethodHandler methodHandler = new MethodHandler(getModelsCountMethodKey);

        int count = (Integer) methodHandler.invoke(false);

        int pages = count / Indexer.DEFAULT_INTERVAL;

        for (int i = 0; i <= pages; i++) {
            int start = (i * Indexer.DEFAULT_INTERVAL);
            int end = start + Indexer.DEFAULT_INTERVAL;

            reindexModels(companyId, start, end);
        }
    }

    protected void reindexModels(long companyId, int start, int end) throws Exception {

        MethodHandler methodHandler = new MethodHandler(getModelsMethodKey, start, end);

        List<Object> models = (List<Object>) methodHandler.invoke(false);

        if (models.isEmpty()) {
            return;
        }

        Collection<Document> documents = new ArrayList<Document>();

        for (Object model : models) {
            Document document = getDocument(model);

            documents.add(document);
        }

        SearchEngineUtil.updateDocuments(companyId, documents);
    }

    protected String[] classNames;
    protected MethodKey getModelMethodKey;
    protected MethodKey getModelsCountMethodKey;
    protected MethodKey getModelsMethodKey;
    protected String portletId;

}