org.apache.jackrabbit.oak.index.ElasticIndexerSupport Maven / Gradle / Ivy
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package org.apache.jackrabbit.oak.index;
import org.apache.commons.io.FileUtils;
import org.apache.jackrabbit.oak.api.CommitFailedException;
import org.apache.jackrabbit.oak.plugins.index.importer.IndexerInfo;
import org.apache.jackrabbit.oak.spi.state.NodeStore;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.IOException;
import java.io.OutputStream;
import java.io.FileOutputStream;
import java.util.Properties;
public class ElasticIndexerSupport extends IndexerSupport {
public ElasticIndexerSupport(IndexHelper indexHelper, String checkpoint) {
super(indexHelper, checkpoint);
}
@Override
public void postIndexWork(NodeStore copyOnWriteStore) throws CommitFailedException, IOException {
switchIndexLanesBack(copyOnWriteStore);
dumpIndexDefinitions(copyOnWriteStore);
createIndexMetaDataForElastic();
}
private void createIndexMetaDataForElastic() throws IOException {
// Need to create this to make have similar meta data file as created by lucene
// Effectively this will help us reuse the IndexImporter class in a better way without having to rewrite it completely
// for elastic and help avoid code duplication
for (String indexPath : indexHelper.getIndexPaths()) {
File dir = new File(getLocalIndexDir(), indexPath.substring(indexPath.lastIndexOf("/")));
FileUtils.forceMkdir(dir);
File infoFile = new File(dir, IndexerInfo.INDEX_METADATA_FILE_NAME);
infoFile.createNewFile();
Properties p = new Properties();
p.setProperty("indexPath", indexPath);
try (OutputStream os = new BufferedOutputStream(new FileOutputStream(infoFile))) {
p.store(os, "Indexer info");
}
}
}
}