@Override public void close() { this.delegate.close(); }
@Override public void close() { if (closed) return; cur = null; this.hfs.close(); if (this.reader != null) { this.reader.readCompleted(); } closed = true; }
@Override public Optional<Cell> getFirstKey() { if (!firstKeySeeked) { HFileScanner scanner = getScanner(true, true, false); try { if (scanner.seekTo()) { this.firstKey = Optional.ofNullable(scanner.getKey()); } firstKeySeeked = true; } catch (IOException e) { LOG.warn("Failed seekTo first KV in the file", e); } finally { if(scanner != null) { scanner.close(); } } } return this.firstKey; }
@Override public Optional<Cell> getLastKey() { if (top) { return super.getLastKey(); } // Get a scanner that caches the block and that uses pread. HFileScanner scanner = getScanner(true, true); try { if (scanner.seekBefore(this.splitCell)) { return Optional.ofNullable(scanner.getKey()); } } catch (IOException e) { LOG.warn("Failed seekBefore " + Bytes.toStringBinary(this.splitkey), e); } finally { if (scanner != null) { scanner.close(); } } return Optional.empty(); }
scanner.close();
scanner.close();