/**********************************************************************************
* $URL: https://source.sakaiproject.org/svn/search/trunk/search-impl/impl/src/java/org/sakaiproject/search/optimize/impl/OptimizableIndexImpl.java $
* $Id: OptimizableIndexImpl.java 105078 2012-02-24 23:00:38Z ottenhoff@longsight.com $
***********************************************************************************
*
* Copyright (c) 2003, 2004, 2005, 2006, 2007, 2008 The Sakai Foundation
*
* Licensed under the Educational Community License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.opensource.org/licenses/ECL-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
**********************************************************************************/
package org.sakaiproject.search.optimize.impl;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.lucene.index.IndexWriter;
import org.sakaiproject.search.journal.api.JournaledIndex;
import org.sakaiproject.search.optimize.api.OptimizableIndex;
import org.sakaiproject.search.transaction.api.IndexTransactionException;
/**
* A class that manages an optimizable index
*
* @author ieb
*/
public class OptimizableIndexImpl implements OptimizableIndex
{
private static final Log log = LogFactory.getLog(OptimizableIndexImpl.class);
private JournaledIndex journaledIndex;
public void init()
{
}
public void destroy()
{
}
/**
* @see org.sakaiproject.search.optimize.api.OptimizableIndex#getOptimizableSegments()
*/
public File[] getOptimizableSegments()
{
return journaledIndex.getSegments();
}
/**
* @see org.sakaiproject.search.optimize.api.OptimizableIndex#getNumberOfOptimzableSegments()
*/
public int getNumberOfOptimzableSegments()
{
return journaledIndex.getSegments().length;
}
/**
* @throws IndexTransactionException
* @see org.sakaiproject.search.optimize.api.OptimizableIndex#getPermanentIndexWriter()
*/
public IndexWriter getPermanentIndexWriter() throws IndexTransactionException
{
return journaledIndex.getPermanentIndexWriter();
}
/**
* @throws IOException
* @see org.sakaiproject.search.optimize.api.OptimizableIndex#removeOptimizableSegments(java.io.File[])
*/
public void removeOptimizableSegments(File[] optimzableSegments) throws IOException
{
List<File> keep = new ArrayList<File>();
List<File> remove = new ArrayList<File>();
for (File f : getOptimizableSegments())
{
keep.add(f);
}
for (File f : getOptimizableSegments())
{
String optSeg = f.getAbsolutePath();
for (File r : optimzableSegments)
{
if (optSeg.equals(r.getAbsolutePath()))
{
keep.remove(f);
remove.add(f);
break;
}
}
}
log.info("Keeping " + keep.size() + " removing " + remove.size() + " segments");
journaledIndex.setSegments(keep);
journaledIndex.saveSegmentList();
}
/**
* @return the journaledIndex
*/
public JournaledIndex getJournaledIndex()
{
return journaledIndex;
}
/**
* @param journaledIndex
* the journaledIndex to set
*/
public void setJournaledIndex(JournaledIndex journaledIndex)
{
this.journaledIndex = journaledIndex;
}
}