package proj.zoie.impl.indexing.internal;
import java.io.File;
import java.io.IOException;
import org.apache.log4j.Logger;
import org.apache.lucene.index.IndexReader;
import org.apache.lucene.store.Directory;
import org.apache.lucene.store.SimpleFSDirectory;
import proj.zoie.api.indexing.IndexReaderDecorator;
/**
* @author "Xiaoyang Gu<xgu@linkedin.com>"
*
* @param <R>
*/
public class DefaultRAMDiskIndexFactory<R extends IndexReader> extends RAMIndexFactory<R> {
private static final Logger log = Logger.getLogger(DefaultRAMIndexFactory.class);
private static int fold = 10000;
@Override
public synchronized RAMSearchIndex<R> newInstance(String version,
IndexReaderDecorator<R> decorator, SearchIndexManager<R> idxMgr) {
Directory ramIdxDir;
try {
File backingdir = new File("/tmp/ram" + fold);// /Volumes/ramdisk/
ramIdxDir = new SimpleFSDirectory(backingdir);
fold++;
return new RAMSearchIndex<R>(version, decorator, idxMgr, ramIdxDir, backingdir);
} catch (IOException e) {
// TODO Auto-generated catch block
log.error(e);
e.printStackTrace();
}// new RAMDirectory();
return null;
}
}