ForumIndexer.java

/**
* OLAT - Online Learning and Training<br>
* http://www.olat.org
* <p>
* Licensed under the Apache License, Version 2.0 (the "License"); <br>
* you may not use this file except in compliance with the License.<br>
* You may obtain a copy of the License at
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* Unless required by applicable law or agreed to in writing,<br>
* software distributed under the License is distributed on an "AS IS" BASIS, <br>
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. <br>
* See the License for the specific language governing permissions and <br>
* limitations under the License.
* <p>
* Copyright (c) since 2004 at Multimedia- & E-Learning Services (MELS),<br>
* University of Zurich, Switzerland.
* <hr>
* <a href="http://www.openolat.org">
* OpenOLAT - Online Learning and Training</a><br>
* This file has been modified by the OpenOLAT community. Changes are licensed
* under the Apache 2.0 license as the original file.
*/

package org.olat.search.service.indexer;


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

import org.apache.lucene.document.Document;
import org.olat.modules.fo.Forum;
import org.olat.modules.fo.Message;
import org.olat.modules.fo.manager.ForumManager;
import org.olat.search.service.SearchResourceContext;
import org.olat.search.service.document.ForumMessageDocument;

/**
 * Common forum indexer. Index all Messages of a forum.
 * @author Christian Guretzki
 */
public abstract class ForumIndexer extends AbstractHierarchicalIndexer {
		
	public void doIndexAllMessages(SearchResourceContext parentResourceContext, Forum forum, OlatFullIndexer indexWriter) throws IOException,InterruptedException {
		if (forum == null) {
			logWarn("tried to index a forum that could not be found! skipping. context: " + parentResourceContext.getResourceUrl(), null);
			return;
		}
		// loop over all messages of a forum
		List<Message> messages = ForumManager.getInstance().getMessagesByForum(forum);
		for(Message message : messages) {
			SearchResourceContext searchResourceContext = new SearchResourceContext(parentResourceContext);
			searchResourceContext.setBusinessControlFor(message);
			Document document = ForumMessageDocument.createDocument(searchResourceContext, message);
		  indexWriter.addDocument(document);
		}
	}
}