Exemple #1
0
        public SortedDictionary <Number640, Data> Get(Number640 from, Number640 to, SimpleBloomFilter <Number160> contentKeyBloomFilter,
                                                      SimpleBloomFilter <Number160> versionKeyBloomFilter, SimpleBloomFilter <Number160> contentBloomFilter, int limit,
                                                      bool ascending, bool isBloomFilterAnd)
        {
            var rLock = RangeLock.Lock(from, to);

            try
            {
                var tmp = _backend.SubMap(from, to, limit, ascending);

                foreach (var kvp in tmp.ToList()) // iterate over copy
                {
                    // remove from original
                    if (kvp.Value.HasPrepareFlag)
                    {
                        tmp.Remove(kvp.Key);
                        continue;
                    }
                    if (isBloomFilterAnd)
                    {
                        if (!contentKeyBloomFilter.Contains(kvp.Key.ContentKey))
                        {
                            tmp.Remove(kvp.Key);
                            continue;
                        }
                        if (!versionKeyBloomFilter.Contains(kvp.Key.VersionKey))
                        {
                            tmp.Remove(kvp.Key);
                            continue;
                        }
                        if (!contentBloomFilter.Contains(kvp.Value.Hash))
                        {
                            tmp.Remove(kvp.Key);
                        }
                    }
                    else
                    {
                        if (contentKeyBloomFilter.Contains(kvp.Key.ContentKey))
                        {
                            tmp.Remove(kvp.Key);
                            continue;
                        }
                        if (versionKeyBloomFilter.Contains(kvp.Key.VersionKey))
                        {
                            tmp.Remove(kvp.Key);
                            continue;
                        }
                        if (contentBloomFilter.Contains(kvp.Value.Hash))
                        {
                            tmp.Remove(kvp.Key);
                        }
                    }
                }
                return(tmp);
            }
            finally
            {
                rLock.Unlock();
            }
        }
Exemple #2
0
        public DigestInfo Digest(Number320 locationAndDomainKey, SimpleBloomFilter <Number160> keyBloomFilter, SimpleBloomFilter <Number160> contentBloomFilter, int limit, bool ascending, bool isBloomFilterAnd)
        {
            var digestInfo = new DigestInfo();
            var rLock      = Lock(locationAndDomainKey);

            try {
                var from = new Number640(locationAndDomainKey, Number160.Zero, Number160.Zero);
                var to   = new Number640(locationAndDomainKey, Number160.MaxValue, Number160.MaxValue);
                var tmp  = _backend.SubMap(from, to, limit, ascending);

                foreach (var kvp in tmp)
                {
                    if (isBloomFilterAnd)
                    {
                        if (keyBloomFilter == null || keyBloomFilter.Contains(kvp.Key.ContentKey))
                        {
                            if (contentBloomFilter == null || contentBloomFilter.Contains(kvp.Value.Hash))
                            {
                                if (!kvp.Value.HasPrepareFlag)
                                {
                                    digestInfo.Put(kvp.Key, kvp.Value.BasedOnSet);
                                }
                            }
                        }
                    }
                    else
                    {
                        if (keyBloomFilter == null || !keyBloomFilter.Contains(kvp.Key.ContentKey))
                        {
                            if (contentBloomFilter == null || !contentBloomFilter.Contains(kvp.Value.Hash))
                            {
                                if (!kvp.Value.HasPrepareFlag)
                                {
                                    digestInfo.Put(kvp.Key, kvp.Value.BasedOnSet);
                                }
                            }
                        }
                    }
                }
                return(digestInfo);
            }
            finally
            {
                rLock.Unlock();
            }
        }
Exemple #3
0
        public DigestInfo Digest(Number320 locationAndDomainKey, SimpleBloomFilter<Number160> keyBloomFilter, SimpleBloomFilter<Number160> contentBloomFilter, int limit, bool ascending, bool isBloomFilterAnd)
        {
            var digestInfo = new DigestInfo();
		    var rLock = Lock(locationAndDomainKey);
		    try {
			    var from = new Number640(locationAndDomainKey, Number160.Zero, Number160.Zero);
			    var to = new Number640(locationAndDomainKey, Number160.MaxValue, Number160.MaxValue);
			    var tmp = _backend.SubMap(from, to, limit, ascending);

			    foreach (var kvp in tmp)
                {
				    if (isBloomFilterAnd)
                    {
					    if (keyBloomFilter == null || keyBloomFilter.Contains(kvp.Key.ContentKey))
                        {
						    if (contentBloomFilter == null || contentBloomFilter.Contains(kvp.Value.Hash))
                            {
							    if (!kvp.Value.HasPrepareFlag)
                                {
								    digestInfo.Put(kvp.Key, kvp.Value.BasedOnSet);
							    }
						    }
					    }
				    }
                    else
                    {
					    if (keyBloomFilter == null || !keyBloomFilter.Contains(kvp.Key.ContentKey))
                        {
						    if (contentBloomFilter == null || !contentBloomFilter.Contains(kvp.Value.Hash))
                            {
							    if (!kvp.Value.HasPrepareFlag)
                                {
								    digestInfo.Put(kvp.Key, kvp.Value.BasedOnSet);
							    }
						    }
					    }
				    }
			    }
			    return digestInfo;
		    } 
            finally
            {
			    rLock.Unlock();
		    }
        }
Exemple #4
0
        public SortedDictionary<Number640, Data> Get(Number640 from, Number640 to, SimpleBloomFilter<Number160> contentKeyBloomFilter,
	        SimpleBloomFilter<Number160> versionKeyBloomFilter, SimpleBloomFilter<Number160> contentBloomFilter,  int limit, 
            bool ascending, bool isBloomFilterAnd)
        {
		    var rLock = RangeLock.Lock(from, to);
		    try
            {
			    var tmp = _backend.SubMap(from, to, limit, ascending);

                foreach (var kvp in tmp.ToList()) // iterate over copy
                {
                    // remove from original
                    if (kvp.Value.HasPrepareFlag)
                    {
                        tmp.Remove(kvp.Key);
                        continue;
                    }
                    if (isBloomFilterAnd)
                    {
                        if (!contentKeyBloomFilter.Contains(kvp.Key.ContentKey))
                        {
                            tmp.Remove(kvp.Key);
                            continue;
                        }
                        if (!versionKeyBloomFilter.Contains(kvp.Key.VersionKey))
                        {
                            tmp.Remove(kvp.Key);
                            continue;
                        }
                        if (!contentBloomFilter.Contains(kvp.Value.Hash))
                        {
                            tmp.Remove(kvp.Key);
                        }
                    }
                    else
                    {
                        if (contentKeyBloomFilter.Contains(kvp.Key.ContentKey))
                        {
						    tmp.Remove(kvp.Key);
						    continue;
					    }
					    if (versionKeyBloomFilter.Contains(kvp.Key.VersionKey))
                        {
						    tmp.Remove(kvp.Key);
						    continue;
					    }
					    if (contentBloomFilter.Contains(kvp.Value.Hash)) 
                        {
						    tmp.Remove(kvp.Key);
					    }
                    }
                }
			    return tmp;
		    }
            finally
            {
			    rLock.Unlock();
		    }
	    }