private EmbeddedCacheManager initializeInfinispan(File rootDir, String indexName) {
ConfigurationBuilder builder = new ConfigurationBuilder();
builder
.loaders()
.addLoader()
.cacheLoader( new LuceneCacheLoader() )
.addProperty(LuceneCacheLoaderConfig.LOCATION_OPTION, rootDir.getAbsolutePath())
.addProperty(LuceneCacheLoaderConfig.AUTO_CHUNK_SIZE_OPTION, "1024");
return TestCacheManagerFactory.createCacheManager(builder);
}