Java tutorial
/** * 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.alloy.mvc; 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.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 AlloyServiceInvoker getAlloyServiceInvoker() { return alloyServiceInvoker; } @Override public String[] getClassNames() { return classNames; } @Override public String getPortletId() { return portletId; } @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(getSearchEngineId(), auditedModel.getCompanyId(), document.get(Field.UID)); } @Override protected void doReindex(Object obj) throws Exception { Document document = getDocument(obj); AuditedModel auditedModel = (AuditedModel) obj; SearchEngineUtil.updateDocument(getSearchEngineId(), auditedModel.getCompanyId(), document); } @Override protected void doReindex(String className, long classPK) throws Exception { Object model = alloyServiceInvoker.fetchModel(classPK); if (model != null) { 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 { int count = (int) alloyServiceInvoker.executeDynamicQueryCount(new Object[] { "companyId", companyId }); 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 { List<Object> models = alloyServiceInvoker.executeDynamicQuery(new Object[] { "companyId", companyId }, start, end); if (models.isEmpty()) { return; } Collection<Document> documents = new ArrayList<Document>(models.size()); for (Object model : models) { Document document = getDocument(model); documents.add(document); } SearchEngineUtil.updateDocuments(getSearchEngineId(), companyId, documents); } protected void setAlloyServiceInvoker(AlloyServiceInvoker alloyServiceInvoker) { this.alloyServiceInvoker = alloyServiceInvoker; } protected void setClassName(String className) { if (this.classNames == null) { classNames = new String[] { className }; } } protected void setPortletId(String portletId) { if (this.portletId == null) { this.portletId = portletId; } } protected AlloyServiceInvoker alloyServiceInvoker; protected String[] classNames; protected String portletId; }