private Data getInternal(Number640 key) { Data data = backend.get(key); if (data != null && !data.hasPrepareFlag()) { return data; } else { return null; } }
public Map<Number640, Enum<?>> putAll( final NavigableMap<Number640, Data> dataMap, PublicKey publicKey, boolean putIfAbsent, boolean domainProtection, boolean sendSelf) { if (dataMap.isEmpty()) { return Collections.emptyMap(); } final Number640 min = dataMap.firstKey(); final Number640 max = dataMap.lastKey(); final Map<Number640, Enum<?>> retVal = new HashMap<Number640, Enum<?>>(); final HashSet<Number480> keysToCheck = new HashSet<Number480>(); final RangeLock<Number640>.Range lock = lock(min, max); try { for (Map.Entry<Number640, Data> entry : dataMap.entrySet()) { Number640 key = entry.getKey(); keysToCheck.add(key.locationAndDomainAndContentKey()); Data newData = entry.getValue(); if (!securityDomainCheck( key.locationAndDomainKey(), publicKey, publicKey, domainProtection)) { retVal.put(key, PutStatus.FAILED_SECURITY); newData.release(); continue; } // We need this check in case we did not use the encoder/decoder, // which is the case if we send the message to ourself. In that // case, the public key of the data is never set to the message // publick key, if the publick key of the data was null. final PublicKey dataKey; if (sendSelf && newData.publicKey() == null) { dataKey = publicKey; } else { dataKey = newData.publicKey(); } if (!securityEntryCheck( key.locationAndDomainAndContentKey(), publicKey, dataKey, newData.isProtectedEntry())) { retVal.put(key, PutStatus.FAILED_SECURITY); newData.release(); continue; } final Data oldDataGet = backend.get(key); if (oldDataGet != null) { if (putIfAbsent) { retVal.put(key, PutStatus.FAILED_NOT_ABSENT); newData.release(); continue; } if (oldDataGet.isDeleted()) { retVal.put(key, PutStatus.DELETED); newData.release(); continue; } if (!oldDataGet.basedOnSet().equals(newData.basedOnSet())) { retVal.put(key, PutStatus.VERSION_FORK); newData.release(); continue; } } final Data oldDataPut = backend.put(key, newData); long expiration = newData.expirationMillis(); // handle timeout backend.addTimeout(key, expiration); if (newData.hasPrepareFlag()) { retVal.put(key, PutStatus.OK_PREPARED); } else { retVal.put(key, PutStatus.OK); } if (oldDataPut != null && oldDataPut != newData) { oldDataPut.release(); } } for (Number480 key : keysToCheck) { // now check for forks Number640 minVersion = new Number640(key, Number160.ZERO); Number640 maxVersion = new Number640(key, Number160.MAX_VALUE); NavigableMap<Number640, Data> tmp = backend.subMap(minVersion, maxVersion); tmp = filterCopyOrig(tmp, -1, true); NavigableMap<Number640, Data> heads = getLatestInternalOrig(tmp); final boolean forked = heads.size() > 1; for (final Map.Entry<Number640, Data> entry : heads.entrySet()) { if (forked) { if (retVal.containsKey(entry.getKey())) { retVal.put(entry.getKey(), PutStatus.VERSION_FORK); } } } // now remove old versions if (maxVersions > 0) { NavigableMap<Number640, Data> versions = backend.subMap(minVersion, maxVersion); while (!versions.isEmpty() && versions.firstKey().versionKey().timestamp() + maxVersions <= versions.lastKey().versionKey().timestamp()) { Map.Entry<Number640, Data> entry = versions.pollFirstEntry(); Data removed = backend.remove(entry.getKey(), true); if (removed != null) { removed.release(); } backend.removeTimeout(entry.getKey()); } } } return retVal; } finally { lock.unlock(); } }