} else { if (kv.version() > lastVersion) { if (kv.isNumber()) { System.out.println("value = " + kv.numberValue()); } else {
default CompletableFuture<Long> getNumber(K pKey, K lKey) { RangeOption<K> option = opFactory().optionFactory().newRangeOption().build(); return get(pKey, lKey, option) .thenCompose(result -> { try { if (result.count() == 0) { return FutureUtils.value(null); } else { KeyValue<K, V> kv = result.kvs().get(0); if (kv.isNumber()) { return FutureUtils.value(kv.numberValue()); } else { return FutureUtils.exception(new KvApiException( Code.ILLEGAL_OP, "Key (" + pKey + ", " + lKey + ") doesn't have any number value")); } } } finally { result.close(); } }) .whenComplete((value, cause) -> option.close()); }
default CompletableFuture<Long> getNumber(K key) { RangeOption<K> option = opFactory().optionFactory().newRangeOption().build(); return get(key, option) .thenCompose(result -> { try { if (result.count() == 0) { return FutureUtils.value(null); } else { KeyValue<K, V> kv = result.kvs().get(0); if (kv.isNumber()) { return FutureUtils.value(kv.numberValue()); } else { return FutureUtils.exception(new KvApiException( Code.ILLEGAL_OP, "Key (" + key + ") doesn't have any number value")); } } } finally { result.close(); } }) .whenComplete((value, cause) -> option.close()); }