| 44 | } |
| 45 | |
| 46 | @Override |
| 47 | public Map<Object, Object> getAll(Set<Object> keys) { |
| 48 | Map<Object, Object> resultMap = near.getAll(keys); |
| 49 | Set<Object> localKeys = resultMap.keySet(); |
| 50 | Set<Object> remainingKeys = new HashSet<>(); |
| 51 | for (Object key : keys) { |
| 52 | if (!localKeys.contains(key)) { |
| 53 | remainingKeys.add(key); |
| 54 | } |
| 55 | } |
| 56 | if (!remainingKeys.isEmpty()) { |
| 57 | // fetch missing ones from remote cache and merge results |
| 58 | Map<Object, Object> remoteMap = remote.getAll(remainingKeys); |
| 59 | if (!remoteMap.isEmpty()) { |
| 60 | near.putAll(remoteMap); |
| 61 | resultMap.putAll(remoteMap); |
| 62 | } |
| 63 | } |
| 64 | return resultMap; |
| 65 | } |
| 66 | |
| 67 | @Override |
| 68 | public Object get(Object id) { |