@Override public boolean hasNext() { return wrappedIterator.hasNext(); }
@Override public void close() { wrappedIterator.close(); }
@Override public void remove() { wrappedIterator.remove(); } }
@Override public void remove(K key, long startTimestamp, long endTimeStamp) { validateRange(startTimestamp, endTimeStamp); TimeSeriesKey<K> fromKey = new TimeSeriesKey(key, startTimestamp, 0); TimeSeriesKey<K> toKey = new TimeSeriesKey(key, endTimeStamp, 0); List<TimeSeriesKey<K>> keysToDelete = new LinkedList<>(); KeyValueIterator<TimeSeriesKey<K>, V> range = kvStore.range(fromKey, toKey); try { while (range.hasNext()) { keysToDelete.add(range.next().getKey()); } } finally { range.close(); } kvStore.deleteAll(keysToDelete); }
@Test public void testSnapshot() throws Exception { InMemoryKeyValueStore store = new InMemoryKeyValueStore( new KeyValueStoreMetrics("testInMemory", new MetricsRegistryMap())); ByteArrayOutputStream outputStream = new ByteArrayOutputStream(); String prefix = "prefix"; for(int i = 0; i < 100; i++) { store.put(genKey(outputStream, prefix, i), genValue()); } byte[] firstKey = genKey(outputStream, prefix, 0); byte[] lastKey = genKey(outputStream, prefix, 100); KeyValueSnapshot<byte[], byte[]> snapshot = store.snapshot(firstKey, lastKey); // Make sure the cached Iterable won't change when new elements are added store.put(genKey(outputStream, prefix, 200), genValue()); assertTrue(Iterators.size(snapshot.iterator()) == 100); List<Integer> keys = new ArrayList<>(); KeyValueIterator<byte[], byte[]> iter = snapshot.iterator(); while (iter.hasNext()) { Entry<byte[], byte[]> entry = iter.next(); int key = Ints.fromByteArray(Arrays.copyOfRange(entry.getKey(), prefix.getBytes().length, entry.getKey().length)); keys.add(key); } assertEquals(keys, IntStream.rangeClosed(0, 99).boxed().collect(Collectors.toList())); outputStream.close(); store.close(); }
@Override public TimestampedValue<V> next() { Entry<TimeSeriesKey<K>, V> next = wrappedIterator.next(); return new TimestampedValue<>(next.getValue(), next.getKey().getTimestamp()); }
@Override public void remove(K key, long startTimestamp, long endTimeStamp) { validateRange(startTimestamp, endTimeStamp); TimeSeriesKey<K> fromKey = new TimeSeriesKey(key, startTimestamp, 0); TimeSeriesKey<K> toKey = new TimeSeriesKey(key, endTimeStamp, 0); List<TimeSeriesKey<K>> keysToDelete = new LinkedList<>(); KeyValueIterator<TimeSeriesKey<K>, V> range = kvStore.range(fromKey, toKey); try { while (range.hasNext()) { keysToDelete.add(range.next().getKey()); } } finally { range.close(); } kvStore.deleteAll(keysToDelete); }
@Override public TimestampedValue<V> next() { Entry<TimeSeriesKey<K>, V> next = wrappedIterator.next(); return new TimestampedValue<>(next.getValue(), next.getKey().getTimestamp()); }
@Override public void remove(K key, long startTimestamp, long endTimeStamp) { validateRange(startTimestamp, endTimeStamp); TimeSeriesKey<K> fromKey = new TimeSeriesKey(key, startTimestamp, 0); TimeSeriesKey<K> toKey = new TimeSeriesKey(key, endTimeStamp, 0); List<TimeSeriesKey<K>> keysToDelete = new LinkedList<>(); KeyValueIterator<TimeSeriesKey<K>, V> range = kvStore.range(fromKey, toKey); try { while (range.hasNext()) { keysToDelete.add(range.next().getKey()); } } finally { range.close(); } kvStore.deleteAll(keysToDelete); }
@Override public TimestampedValue<V> next() { Entry<TimeSeriesKey<K>, V> next = wrappedIterator.next(); return new TimestampedValue<>(next.getValue(), next.getKey().getTimestamp()); }
@Override public boolean hasNext() { return wrappedIterator.hasNext(); }
@Override public void close() { wrappedIterator.close(); }
@Override public void remove() { wrappedIterator.remove(); } }
@Override public void remove(K key, long startTimestamp, long endTimeStamp) { validateRange(startTimestamp, endTimeStamp); TimeSeriesKey<K> fromKey = new TimeSeriesKey(key, startTimestamp, 0); TimeSeriesKey<K> toKey = new TimeSeriesKey(key, endTimeStamp, 0); List<TimeSeriesKey<K>> keysToDelete = new LinkedList<>(); KeyValueIterator<TimeSeriesKey<K>, V> range = kvStore.range(fromKey, toKey); try { while (range.hasNext()) { keysToDelete.add(range.next().getKey()); } } finally { range.close(); } kvStore.deleteAll(keysToDelete); }
@Override public TimestampedValue<V> next() { Entry<TimeSeriesKey<K>, V> next = wrappedIterator.next(); return new TimestampedValue<>(next.getValue(), next.getKey().getTimestamp()); }
@Override public boolean hasNext() { return wrappedIterator.hasNext(); }
@Override public void close() { wrappedIterator.close(); }
@Override public void remove() { wrappedIterator.remove(); } }
@Override public void remove(K key, long startTimestamp, long endTimeStamp) { validateRange(startTimestamp, endTimeStamp); TimeSeriesKey<K> fromKey = new TimeSeriesKey(key, startTimestamp, 0); TimeSeriesKey<K> toKey = new TimeSeriesKey(key, endTimeStamp, 0); List<TimeSeriesKey<K>> keysToDelete = new LinkedList<>(); KeyValueIterator<TimeSeriesKey<K>, V> range = kvStore.range(fromKey, toKey); try { while (range.hasNext()) { keysToDelete.add(range.next().getKey()); } } finally { range.close(); } kvStore.deleteAll(keysToDelete); }
@Override public TimestampedValue<V> next() { Entry<TimeSeriesKey<K>, V> next = wrappedIterator.next(); return new TimestampedValue<>(next.getValue(), next.getKey().getTimestamp()); }