/* Index ECM Engine - A system for managing the capture (when created
* or received), classification (cataloguing), storage, retrieval,
* revision, sharing, reuse and disposition of documents.
*
* Copyright (C) 2008 Regione Piemonte
* Copyright (C) 2008 Provincia di Torino
* Copyright (C) 2008 Comune di Torino
*
* 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 2,
* 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, write to the Free Software
* Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
package it.doqui.index.ecmengine.business.personalization.multirepository.node.index;
import it.doqui.index.ecmengine.business.personalization.multirepository.RepositoryManager;
import it.doqui.index.ecmengine.business.personalization.multirepository.util.EcmEngineMultirepositoryConstants;
import java.util.List;
import org.alfresco.repo.search.impl.lucene.AbstractLuceneIndexerImpl;
import org.alfresco.repo.transaction.RetryingTransactionHelper.RetryingTransactionCallback;
import org.alfresco.service.cmr.repository.NodeRef;
import org.alfresco.service.cmr.repository.StoreRef;
import org.alfresco.service.cmr.search.ResultSet;
import org.alfresco.service.cmr.search.ResultSetRow;
import org.alfresco.service.cmr.search.SearchParameters;
import org.alfresco.service.cmr.search.SearchService;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
public class MissingContentReindexComponent extends AbstractReindexComponent
{
private static Log logger = LogFactory.getLog(EcmEngineMultirepositoryConstants.MULTIREPOSITORY_LOG_CATEGORY);
/** keep track of whether the FTS indexer thread has been poked */
private boolean ftsIndexerCalled;
public MissingContentReindexComponent()
{
ftsIndexerCalled = false;
}
/**
* If this object is currently busy, then it just nothing
*/
@Override
public void reindexImpl()
{
List<StoreRef> storeRefs = nodeService.getStores();
int count = 0;
for (StoreRef storeRef : storeRefs)
{
// prompt the FTS reindexing
if (!ftsIndexerCalled)
{
logger.debug("[MissingContentReindexComponent::reindexImpl] " +
"Repository '" + RepositoryManager.getCurrentRepository() + "' - Requesting reindex of store: " + storeRef);
ftsIndexer.requiresIndex(storeRef, RepositoryManager.getCurrentRepository());
}
// reindex missing content
count += reindexMissingContent(storeRef);
// check if we have to break out
if (isShuttingDown())
{
break;
}
}
// The FTS indexer only needs to be prompted once
ftsIndexerCalled = true;
// done
if (logger.isDebugEnabled())
{
logger.debug("Missing content indexing touched " + count + " content nodes");
}
}
/**
* @param storeRef the store to check for missing content
* @return Returns the number of documents reindexed
*/
private int reindexMissingContent(StoreRef storeRef)
{
logger.debug("[MissingContentReindexComponent::reindexMissingContent] " +
"Repository '" + RepositoryManager.getCurrentRepository() + "' - Reindexing missin content in store: " + storeRef);
SearchParameters sp = new SearchParameters();
sp.addStore(storeRef);
// search for it in the index, sorting with youngest first
sp.setLanguage(SearchService.LANGUAGE_LUCENE);
sp.setQuery("TEXT:" + AbstractLuceneIndexerImpl.NOT_INDEXED_CONTENT_MISSING);
sp.addSort(SearchParameters.SORT_IN_DOCUMENT_ORDER_DESCENDING);
ResultSet results = null;
try
{
results = searcher.query(sp);
int count = 0;
// iterate over the nodes and prompt for reindexing
for (ResultSetRow row : results)
{
final NodeRef childNodeRef = row.getNodeRef();
// prompt for a reindex - it might fail again, but we just keep plugging away
RetryingTransactionCallback<Object> reindexWork = new RetryingTransactionCallback<Object>()
{
public Object execute()
{
indexer.updateNode(childNodeRef);
return null;
}
};
transactionService.getRetryingTransactionHelper().doInTransaction(reindexWork);
// check if we have to break out
if (isShuttingDown())
{
break;
}
}
// done
if (logger.isDebugEnabled())
{
logger.debug(
"Reindexed missing content: \n" +
" store: " + storeRef + "\n" +
" node count: " + count);
}
return count;
}
finally
{
if (results != null)
{
results.close();
}
}
}
}