in ytdb/src/main/java/com/youtrackdb/ldbc/ytdb/loader/YtdbLoader.java [114:135]
private <T> void loadEntities(Path dir, String filename, String entityLabel,
java.util.function.Function<String[], T> parser,
java.util.function.Consumer<List<T>> inserter) {
try {
Path csvFile = dir.resolve(filename);
if (!Files.exists(csvFile)) {
log.warn("File not found: {}", csvFile);
return;
}
var processor = new CsvProcessor<T>(BATCH_SIZE);
long count = processor.process(csvFile,
parser::apply,
inserter::accept
);
log.info("Loaded {} {} entities", count, entityLabel);
} catch (Exception e) {
log.error("Failed to load {}: {}", entityLabel, e.getMessage(), e);
throw new RuntimeException("Failed to load " + entityLabel, e);
}
}