org.lexevs.dao.index.lucenesupport.MultiReaderFactory.java Source code

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Here is the source code for org.lexevs.dao.index.lucenesupport.MultiReaderFactory.java

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/*
 * Copyright: (c) 2004-2010 Mayo Foundation for Medical Education and 
 * Research (MFMER). All rights reserved. MAYO, MAYO CLINIC, and the
 * triple-shield Mayo logo are trademarks and service marks of MFMER.
 *
 * Except as contained in the copyright notice above, or as used to identify 
 * MFMER as the author of this software, the trade names, trademarks, service
 * marks, or product names of the copyright holder shall not be used in
 * advertising, promotion or otherwise in connection with this software without
 * prior written authorization of the copyright holder.
 * 
 * Licensed under the Eclipse Public License, Version 1.0 (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.eclipse.org/legal/epl-v10.html
 * 
 */
package org.lexevs.dao.index.lucenesupport;

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

import org.apache.lucene.index.IndexReader;
import org.apache.lucene.index.MultiReader;
import org.lexevs.dao.indexer.utility.CodingSchemeMetaData;
import org.lexevs.dao.indexer.utility.ConcurrentMetaData;
import org.springframework.beans.factory.FactoryBean;

/**
 * @author <A HREF="mailto:bauer.scott@mayo.edu">Scott Bauer </A>
 *
 */
public class MultiReaderFactory implements FactoryBean<MultiReader> {

    ConcurrentMetaData concurrentMetaData;

    public MultiReaderFactory() {
        // TODO Auto-generated constructor stub
    }

    @Override
    public MultiReader getObject() throws Exception {
        List<IndexReader> readers = new ArrayList<IndexReader>();

        for (CodingSchemeMetaData md : concurrentMetaData.getCodingSchemeList()) {
            readers.add(md.getDirectory().getIndexReader());
        }
        return new MultiReader(readers.toArray(new IndexReader[readers.size()]), false);
    }

    @Override
    public Class<?> getObjectType() {
        // TODO Auto-generated method stub
        return null;
    }

    @Override
    public boolean isSingleton() {
        // TODO Auto-generated method stub
        return false;
    }

    public ConcurrentMetaData getConcurrentMetaData() {
        return concurrentMetaData;
    }

    public void setConcurrentMetaData(ConcurrentMetaData concurrentMetaData) {
        this.concurrentMetaData = concurrentMetaData;
    }

}