private T getData()

in evcache-core/src/main/java/com/netflix/evcache/EVCacheImpl.java [1215:1255]
40 lines of code
28 McCabe index (conditional complexity)

    private <T> T getData(EVCacheClient client, EVCacheKey evcKey, Transcoder<T> tc, boolean throwException, boolean hasZF) throws Exception {
        if (client == null) return null;
        final Transcoder<T> transcoder = (tc == null) ? ((_transcoder == null) ? (Transcoder<T>) client.getTranscoder() : (Transcoder<T>) _transcoder) : tc;
        try {
            String hashKey = evcKey.getHashKey(client.isDuetClient(), client.getHashingAlgorithm(), client.shouldEncodeHashKey(), client.getMaxDigestBytes(), client.getMaxHashLength(), client.getBaseEncoder());
            String canonicalKey = evcKey.getCanonicalKey(client.isDuetClient());

            if(hashKey != null) {
                final Object obj = client.get(hashKey, evcacheValueTranscoder, throwException, hasZF);
                if(obj != null && obj instanceof EVCacheValue) {
                    final EVCacheValue val = (EVCacheValue)obj;
                    if(!val.getKey().equals(canonicalKey)) {
                        incrementFailure(EVCacheMetricsFactory.KEY_HASH_COLLISION, Call.GET.name(), EVCacheMetricsFactory.READ);
                        return null;
                    }
                    final CachedData cd = new CachedData(val.getFlags(), val.getValue(), CachedData.MAX_SIZE);
                    return transcoder.decode(cd);
                } else {
                    return null;
                }
            } else {
                return client.get(canonicalKey, transcoder, throwException, hasZF);
            }
        } catch (EVCacheConnectException ex) {
            if (log.isDebugEnabled() && shouldLog()) log.debug("EVCacheConnectException while getting data for APP " + _appName + ", key : " + evcKey + "; hasZF : " + hasZF, ex);
            if (!throwException || hasZF) return null;
            throw ex;
        } catch (EVCacheReadQueueException ex) {
            if (log.isDebugEnabled() && shouldLog()) log.debug("EVCacheReadQueueException while getting data for APP " + _appName + ", key : " + evcKey + "; hasZF : " + hasZF, ex);
            if (!throwException || hasZF) return null;
            throw ex;
        } catch (EVCacheException ex) {
            if (log.isDebugEnabled() && shouldLog()) log.debug("EVCacheException while getting data for APP " + _appName + ", key : " + evcKey + "; hasZF : " + hasZF, ex);
            if (!throwException || hasZF) return null;
            throw ex;
        } catch (Exception ex) {
            if (log.isDebugEnabled() && shouldLog()) log.debug("Exception while getting data for APP " + _appName + ", key : " + evcKey, ex);
            if (!throwException || hasZF) return null;
            throw ex;
        }
    }