protected Object putIfAbsentInternal( final K key, final V value, final ExpiryPolicy expiryPolicy, final boolean withCompletionEvent, final boolean async) { final long start = System.nanoTime(); ensureOpen(); validateNotNull(key, value); CacheProxyUtil.validateConfiguredTypes(cacheConfig, key, value); final Data keyData = toData(key); final Data valueData = toData(value); final Data expiryPolicyData = toData(expiryPolicy); final int completionId = withCompletionEvent ? nextCompletionId() : -1; ClientMessage request = CachePutIfAbsentCodec.encodeRequest( nameWithPrefix, keyData, valueData, expiryPolicyData, completionId); ClientInvocationFuture future; try { future = invoke(request, keyData, completionId); } catch (Exception e) { throw ExceptionUtil.rethrow(e); } ClientDelegatingFuture delegatingFuture = new ClientDelegatingFuture<Boolean>( future, clientContext.getSerializationService(), putIfAbsentResponseDecoder); if (!async) { try { Object response = delegatingFuture.get(); if (nearCache != null) { if (cacheOnUpdate) { storeInNearCache(keyData, valueData, value); } else { invalidateNearCache(keyData); } } if (statisticsEnabled) { handleStatisticsOnPutIfAbsent(start, (Boolean) response); } return response; } catch (Throwable e) { throw ExceptionUtil.rethrowAllowedTypeFirst(e, CacheException.class); } } else { if (nearCache != null || statisticsEnabled) { delegatingFuture.andThen( new ExecutionCallback<Object>() { @Override public void onResponse(Object responseData) { if (nearCache != null) { if (cacheOnUpdate) { storeInNearCache(keyData, valueData, value); } else { invalidateNearCache(keyData); } } if (statisticsEnabled) { Object response = clientContext.getSerializationService().toObject(responseData); handleStatisticsOnPutIfAbsent(start, (Boolean) response); } } @Override public void onFailure(Throwable t) {} }); } return delegatingFuture; } }
@Override public <T> T decodeClientMessage(ClientMessage clientMessage) { return (T) Boolean.valueOf(CachePutIfAbsentCodec.decodeResponse(clientMessage).response); }