protected override void PutFileData(CacheIndex index, int fileId, byte[] data, CacheFileInfo?info)
{
if (this.ReadOnly)
{
throw new CacheException("Can't write data in readonly mode.");
}
var dbTable = "cache";
if (index == CacheIndex.ReferenceTables)
{
index = (CacheIndex)fileId;
dbTable = "cache_index";
fileId = 1;
}
lock (this._ioLock)
{
if (!this._connections.Keys.Contains(index))
{
this.OpenConnection(index, true);
}
var connection = this._connections[index];
using var command = connection.CreateCommand();
command.CommandText = $"INSERT OR REPLACE INTO {dbTable} (KEY, DATA, VERSION, CRC) VALUES (@key, @data, @version, @crc)";
command.Parameters.AddWithValue("key", fileId);
command.Parameters.AddWithValue("data", data);
command.Parameters.AddWithValue("version", info?.Version ?? DateTimeOffset.UtcNow.ToUnixTimeSeconds());
command.Parameters.AddWithValue("crc", info?.Crc ?? 0);
command.ExecuteNonQuery();
}
}
private void OnCacheUpdated(object sender, DataEventArgs <string> e)
{
CacheIndex cacheIndex = this.GetCacheIndex(e.Data);
if (cacheIndex != null)
{
double?timecode = this.ExtractTimecode(e.Data, cacheIndex.Asset.StartPosition);
if (timecode.HasValue && !cacheIndex.Timecodes.Contains(timecode.Value))
{
IDictionary <double, double> cacheSnapshot = GenerateCacheSnapshot(
cacheIndex.Cache, cacheIndex.Timecodes, timecode.Value, cacheIndex.Asset.DurationInSeconds);
if (cacheSnapshot.Count == 1)
{
cacheIndex.Timecodes.Add(timecode.Value);
cacheIndex.Timecodes.Sort();
double progress = cacheSnapshot.Keys.ElementAt(0);
double offset = cacheSnapshot.Values.ElementAt(0);
cacheIndex.Cache.Add(progress, offset);
Asset asset = cacheIndex.Asset as Asset;
if (asset != null)
{
this.InvokeCacheUpdated(progress, offset, asset);
}
}
}
}
}
public void UpdateCacheItemTest()
{
_pool.Register <TestTable>();
CacheIndex index = new CacheIndex()
{
IndexName = "主键测试",
IndexType = IndexType.唯一索引,
GetIndexKey = GetKey
};
_pool.Get <TestTable>().AddIndex(index);
List <ICacheIndex> indexs = _pool.Get <TestTable>().GetAllIndexs();
TestCacheModel model = new TestCacheModel()
{
ID = 1, Name = "测试"
};
_pool.Get <TestTable>().Add(model);
TestCacheModel updateModel = new TestCacheModel()
{
ID = 1,
Name = "测试1"
};
_pool.Get <TestTable>().Update(updateModel);
List <ICacheItem> item = _pool.Get <TestTable>().Get(model.ID.ToString());
TestCacheModel queryRlt = item[0] as TestCacheModel;
Assert.AreEqual(updateModel.Name, queryRlt.Name);
}
public CacheFile GetFile(CacheIndex index, int fileId)
{
var fileInfo = this.GetFileInfo(index, fileId);
var fileData = this.GetFileData(index, fileId, fileInfo);
return(this.FileDecoder.DecodeFile(fileData, fileInfo));
}
private IEnumerable <string> GetExistingFilePaths(CacheIndex cacheIndex, int fileId)
{
return(Directory
.EnumerateFiles(this.GetIndexDirectory(cacheIndex), $"{fileId}*")
// Filter out false-positivies like 2345 when looking for 234.ext
.Where(matchedFilePath => Regex.IsMatch(matchedFilePath, $@"[/\\]{fileId}(\..+)?$")));
}
/// <summary>
/// Returns the given data converted to sectors. <see cref="Position" /> and <see cref="NextSectorPosition" />
/// must still be set before writing them out to the data file.
/// </summary>
public static IEnumerable <Sector> FromData(byte[] data, CacheIndex cacheIndex, int fileId)
{
var extended = Sector.IsExtendedSector(fileId);
var remaining = data.Length;
var chunkId = 0;
while (remaining > 0)
{
var sector = new Sector
{
ChunkIndex = chunkId++,
Index = cacheIndex,
FileId = fileId
};
var sectorDataLength = extended ? Sector.ExtendedDataLength : Sector.StandardDataLength;
var dataLength = Math.Min(sectorDataLength, remaining);
var sectorData = data.Skip(data.Length - remaining).Take(dataLength);
// Fill sector
if (dataLength < sectorDataLength)
{
sectorData = sectorData.Concat(Enumerable.Repeat((byte)0, sectorDataLength - dataLength));
}
sector.Payload = sectorData.ToArray();
remaining -= dataLength;
yield return(sector);
}
}
/// <summary>
/// Gets the resource response.
/// </summary>
/// <param name="uri">The URI of the request.</param>
/// <param name="args">The arguments to be used on the request.</param>
/// <returns></returns>
public override ResourceResponse GetResponse(string uri, NetworkResourceArguments args)
{
ResourceResponseCache response = new ResourceResponseCache(uri, args);
// find the item in the cache index
CacheIndex cacheIndex = CacheIndexMap.GetFromUri(uri);
CacheIndexItem cacheIndexItem = cacheIndex.Get(uri);
// ensure cache item is current
response.ReturnStatus = cacheIndex.EnsureCurrentCache(cacheIndexItem, args);
// store local references to cache index and item to prevent having to look up
// values again later.
response.CacheIndex = cacheIndex;
response.CacheIndexItem = cacheIndexItem;
// populate response data collection with cache index values;
response.Data.Add("RelativeUri", cacheIndexItem.RelativeUri);
response.Data.Add("AttemptToRefresh", cacheIndexItem.AttemptToRefresh.ToString());
response.Data.Add("Downloaded", cacheIndexItem.Downloaded.ToString());
response.Data.Add("Expiration", cacheIndexItem.Expiration.ToString());
response.Data.Add("IsExpired", cacheIndexItem.IsExpired.ToString());
response.Data.Add("IsStale", cacheIndexItem.IsStale.ToString());
response.Data.Add("ETag", cacheIndexItem.ETag);
return(response);
}
private static void ProcessAddList(List <CacheIndexInternal> internalIndexList,
List <IndexItem> cappedDeleteItemList,
CacheIndex clientIndex,
IndexStoreContext storeContext,
IndexTypeMapping indexTypeMapping)
{
#region Add new items to each internalIndex
Index indexInfo;
InternalItemComparer comparer;
int searchIndex;
PerformanceCounters.Instance.SetCounterValue(
PerformanceCounterEnum.AddList,
indexTypeMapping.TypeId,
clientIndex.AddList.Count);
foreach (CacheIndexInternal cacheIndexInternal in internalIndexList)
{
indexInfo = indexTypeMapping.IndexCollection[cacheIndexInternal.InDeserializationContext.IndexName];
comparer = new InternalItemComparer(indexInfo.PrimarySortInfo.IsTag, indexInfo.PrimarySortInfo.FieldName, indexInfo.PrimarySortInfo.SortOrderList);
if (clientIndex.AddList.Count > 0)
{
foreach (IndexDataItem addItem in clientIndex.AddList)
{
searchIndex = cacheIndexInternal.Search(addItem);
if (searchIndex > -1)
{
UpdateExistingIndexItem(clientIndex, cacheIndexInternal, indexInfo, addItem, searchIndex, storeContext, comparer);
}
else
{
AddNewItem(clientIndex, cacheIndexInternal, indexInfo, addItem, storeContext, comparer);
#region IndexSize Capping
if (indexInfo.MaxIndexSize > 0 && cacheIndexInternal.Count > indexInfo.MaxIndexSize)
{
int deleteIndex = indexInfo.TrimFromTail ? cacheIndexInternal.Count - 1 : 0;
//Add item to a list to delete it from the Data Store
cappedDeleteItemList.Add(InternalItemAdapter.ConvertToIndexItem(cacheIndexInternal.GetItem(deleteIndex),
cacheIndexInternal.InDeserializationContext));
//Delete from Index Store
cacheIndexInternal.DeleteItem(deleteIndex, false);
}
#endregion
}
}
}
//Update metadata
if (clientIndex.UpdateMetadata && indexTypeMapping.IndexCollection[cacheIndexInternal.InDeserializationContext.IndexName].MetadataPresent)
{
cacheIndexInternal.Metadata = clientIndex.Metadata;
}
}
#endregion
}
/// <summary>
/// Gets printable CacheIndex.
/// </summary>
/// <param name="clientIndex">client index.</param>
/// <param name="tagHashCollection">tag Hash Collection.</param>
/// <param name="typeId">type id.</param>
/// <returns></returns>
internal static string GetPrintableCacheIndex(CacheIndex clientIndex, TagHashCollection tagHashCollection, short typeId)
{
StringBuilder logStr = new StringBuilder();
logStr.Append(Environment.NewLine).Append("Client Index Info").Append(Environment.NewLine);
int itemCount;
logStr.Append("IndexId : ").Append(IndexCacheUtils.GetReadableByteArray(clientIndex.IndexId)).Append(Environment.NewLine);
logStr.Append("Metadata : ").Append(clientIndex.Metadata == null ? "Null" : IndexCacheUtils.GetReadableByteArray(clientIndex.Metadata)).Append(Environment.NewLine);
logStr.Append("TargetIndexName : ").Append(clientIndex.TargetIndexName).Append(Environment.NewLine);
logStr.Append("IndexTagmapping : ").Append(clientIndex.IndexTagMapping == null ? "Null" : clientIndex.IndexTagMapping.Count.ToString()).Append(Environment.NewLine);
if (clientIndex.IndexTagMapping != null && clientIndex.IndexTagMapping.Count > 0)
{
logStr.Append("IndexTagmapping Items : ");
foreach (var indexTag in clientIndex.IndexTagMapping)
{
logStr.Append("IndexName : ").Append(indexTag.Key).Append(" Tags : ");
foreach (var tag in indexTag.Value)
{
logStr.Append(tag).Append(" , ");
}
}
logStr.Append(Environment.NewLine);
}
//AddList))
if (clientIndex.AddList != null)
{
logStr.Append("ClientIndex.AddList.Count : ").Append(clientIndex.AddList.Count).Append(Environment.NewLine);
itemCount = 0;
foreach (IndexDataItem indexDataItem in clientIndex.AddList)
{
LogItem(logStr, indexDataItem, itemCount, tagHashCollection, typeId);
}
}
else
{
logStr.Append("ClientIndex.AddList = null").Append(Environment.NewLine);
}
//DeleteList
if (clientIndex.DeleteList != null)
{
logStr.Append("ClientIndex.DeleteList.Count : ").Append(clientIndex.DeleteList.Count).Append(Environment.NewLine);
itemCount = 0;
foreach (IndexItem indexItem in clientIndex.DeleteList)
{
LogItem(logStr, indexItem, itemCount, tagHashCollection, typeId);
}
}
else
{
logStr.Append("ClientIndex.DeleteList = null").Append(Environment.NewLine);
}
return(logStr.ToString());
}
public void TestItemDefinitionFile(CacheIndex index, int fileId, int entryId, string expectedName, int expectedPropertyCount)
{
var itemDefinitionFile = ItemDefinitionFile.Decode(
this.Fixture.JavaClientCache.GetFile(index, fileId).Entries[entryId]
);
Assert.Equal(expectedName, itemDefinitionFile.Name);
Assert.Equal(expectedPropertyCount, itemDefinitionFile.Properties?.Count);
}
static IObservable <T> GetAndFetchLatestFromIndex <T>(this IBlobCache This,
string key,
Func <IObservable <T> > fetchFunc,
Action <T> removedItemsCallback,
Func <DateTimeOffset, bool> fetchPredicate = null,
DateTimeOffset?absoluteExpiration = null,
bool shouldInvalidateOnError = false)
where T : CacheItem
{
var idx = Observable.Defer(() => This
.GetOrCreateObject(key, () => CacheIndex.Create(key)))
.Select(x => x.IndexKey == null ? CacheIndex.Create(key) : x)
.Replay()
.RefCount();
var fetch = idx
.Select(x => Tuple.Create(x, fetchPredicate == null || !x.Keys.Any() || fetchPredicate(x.UpdatedAt)))
.Where(predicateIsTrue => predicateIsTrue.Item2)
.Select(x => x.Item1)
.Select(index => index.Clear())
.SelectMany(index => fetchFunc()
.Catch <T, Exception>(ex =>
{
var shouldInvalidate = shouldInvalidateOnError ?
This.InvalidateObject <CacheIndex>(key) :
Observable.Return(Unit.Default);
return(shouldInvalidate.SelectMany(__ => Observable.Throw <T>(ex)));
})
.SelectMany(x => x.Save <T>(This, key, absoluteExpiration))
.Do(x => index.Add(key, x))
);
var cache = idx
.SelectMany(index => This.GetObjects <T>(index.Keys.ToList()))
.SelectMany(dict => dict.Values);
return(cache.Merge(fetch)
.Finally(async() =>
{
var index = await idx;
await index.Save(This);
var list = index.OldKeys.Except(index.Keys);
if (!list.Any())
{
return;
}
var removed = await This.GetObjects <T>(list);
foreach (var d in removed.Values)
{
removedItemsCallback(d);
}
await This.InvalidateObjects <T>(list);
})
.Replay().RefCount());
}
public override byte[] GetFileData(CacheIndex index, int fileId, CacheFileInfo?info)
{
// Reference tables are stored as file 1 in a separate table in the database of the index.
var dbTable = "cache";
if (index == CacheIndex.ReferenceTables)
{
index = (CacheIndex)fileId;
dbTable = "cache_index";
fileId = 1;
}
lock (this._ioLock)
{
if (!this._connections.Keys.Contains(index))
{
throw new CacheFileNotFoundException($"Index {(int)index} is not available.");
}
var connection = this._connections[index];
using var command = connection.CreateCommand();
command.CommandText = $"SELECT DATA, VERSION, CRC FROM {dbTable} WHERE KEY = @key";
command.Parameters.AddWithValue("key", fileId);
using var resultReader = command.ExecuteReader();
if (!resultReader.HasRows)
{
throw new CacheFileNotFoundException($"File {(int)index}/{fileId} does not exist in the cache.");
}
resultReader.Read();
var data = (byte[])resultReader.GetValue(0);
var version = resultReader.GetInt32(1);
var crc = resultReader.GetInt32(2);
// Version and CRC do not match data but do have to match the passed info.
if (info?.Version != null && version != info.Version)
{
throw new DecodeException($"Retrieved version ({version}) does not match expected ({info.Version}).");
}
if (info?.Crc != null && crc != info.Crc)
{
// They actually mess around with the CRC =S
var message = $"Retrieved CRC ({crc}) does not match expected ({info.Crc}).";
if (crc - 1 == info.Crc)
{
Log.Debug(message + " (allowed)");
}
else
{
throw new DecodeException(message);
}
}
return(data);
}
}
internal void Clear()
{
foreach (var file in Directory.GetFiles(myCacheFolder))
{
File.Delete(file);
}
myIndex = CacheIndex.LoadOrCreate(myIndexFile);
}
public void TestDecodeEncodeFromCache(CacheIndex index)
{
var referenceTableFile = this._fixture.JavaClientCache.GetFile(CacheIndex.ReferenceTables, (int)index);
var referenceTable = ReferenceTableFile.Decode(referenceTableFile.Data);
var encodedFile = referenceTable.Encode();
Assert.True(referenceTableFile.Data.SequenceEqual(encodedFile));
}
public byte[] DownloadFileData(CacheIndex index, int fileId)
{
// Add the request, or get an existing one
var requestKey = new Tuple <CacheIndex, int>(index, fileId);
var request = this._fileRequests.GetOrAdd(requestKey, tuple => new TcpFileRequest());
Task.Run(this.ProcessRequests);
return(request.WaitForCompletionAsync().Result);
}
/// <summary>
/// Reads the sectors
/// </summary>
/// <param name="index"></param>
/// <param name="fileId"></param>
/// <returns></returns>
public byte[] ReadFileData(CacheIndex index, int fileId)
{
int filesize;
return(this.ReadSectors(index, fileId, out filesize).Aggregate(new List <byte>(), (bytes, sector) =>
{
bytes.AddRange(sector.Payload);
return bytes;
}).Take(filesize).ToArray());
}
CreateIndex <TValue>(Func <TEntity, TValue> valueGetter)
{
ArgumentValidator.EnsureArgumentNotNull(valueGetter, nameof(valueGetter));
// create and return the index
var index = new CacheIndex <TValue>(this, valueGetter);
this.indices.Add(index);
return(index);
}
/// <summary>
/// Validates the save.
/// </summary>
/// <param name="clientIndex">Index of the client.</param>
private static void ValidateSave(CacheIndex clientIndex)
{
if (clientIndex.IndexVirtualCountMapping != null &&
clientIndex.AddList != null && clientIndex.AddList.Count > 0 &&
clientIndex.DeleteList != null && clientIndex.DeleteList.Count > 0)
{
LoggingUtil.Log.ErrorFormat("VirtualCount cannot be set with non-empty AddList and DeleteList");
throw new Exception("VirtualCount cannot be set with non-empty AddList and DeleteList");
}
}
public override byte[] GetFileData(CacheIndex index, int fileId, CacheFileInfo?info)
{
if (DownloaderCache.HttpInterfaceIndexes.Contains(index))
{
// HTTP downloader requires file info in advance.
var fileInfo = this.GetFileInfo(index, fileId);
return(this._httpFileDownloader.DownloadFileData(index, fileId, fileInfo));
}
return(this._tcpFileDownloader.DownloadFileData(index, fileId));
}
public static bool Available(string url)
{
int idx = CacheIndex.IndexOf(url);
if (idx < 0)
{
return(false);
}
string filename = CacheIndex[idx - 1];
return(FileUtility.IsFileNewEnough(filename));
}
private void OnItemsPurged(object sender, DataEventArgs <IEnumerable <string> > e)
{
IDictionary <string, CacheIndex> updatedCache = new Dictionary <string, CacheIndex>();
foreach (string key in e.Data)
{
string cacheKey = key.ToUpperInvariant();
if (cacheKey.Contains("/FRAGMENTS(VIDEO="))
{
string cacheIndexKey = this.assetsCacheIndex.Keys.Where(cacheKey.StartsWith).SingleOrDefault();
if (!string.IsNullOrEmpty(cacheIndexKey) && this.assetsCacheIndex.ContainsKey(cacheIndexKey))
{
CacheIndex cacheIndex = this.assetsCacheIndex[cacheIndexKey];
double?timecode = this.ExtractTimecode(cacheKey, cacheIndex.Asset.StartPosition);
if (timecode.HasValue && cacheIndex.Timecodes.Contains(timecode.Value))
{
IDictionary <double, double> cacheSnapshot = GenerateCacheSnapshot(cacheIndex.Cache, cacheIndex.Timecodes, timecode.Value, cacheIndex.Asset.DurationInSeconds);
if (cacheSnapshot.Count == 1)
{
cacheIndex.Timecodes.Remove(timecode.Value);
double progress = cacheSnapshot.Keys.ElementAt(0);
cacheIndex.Cache.Remove(progress);
if (!updatedCache.ContainsKey(cacheIndexKey))
{
updatedCache.Add(cacheIndexKey, cacheIndex);
}
}
}
}
}
}
if (updatedCache.Count > 0)
{
foreach (string key in updatedCache.Keys)
{
CacheIndex cacheIndex = this.assetsCacheIndex[key];
IDictionary <double, double> newCache = GenerateCacheSnapshot(cacheIndex.Timecodes, cacheIndex.Asset.DurationInSeconds);
cacheIndex.SetCache(newCache);
this.OnCacheRebuilt(newCache, cacheIndex.Asset);
}
}
}
/// <summary>
/// 缓存表初始化
/// </summary>
public void Init()
{
TableName = "客户端日志信息表";
CacheIndex uniqueIndex = new CacheIndex()
{
IndexName = IndexUnique,
IndexType = IndexType.唯一索引,
GetIndexKey = GetUniqueIndex
};
AddIndex(uniqueIndex);
}
protected static IntIntAlias Seek(CacheIndex cacheIndex, int value, int basic)
{
foreach (IntIntAlias alias in Cache[(int)cacheIndex])
{
if (alias.value == value && alias.basic == basic)
{
return(alias);
}
}
throw new GetDataException(cacheIndex.ToString());
}
protected static CharAlias Seek(CacheIndex cacheIndex, char value)
{
foreach (CharAlias alias in Cache[(int)cacheIndex])
{
if (alias.value == value)
{
return(alias);
}
}
throw new GetDataException(cacheIndex.ToString());
}
public async Task NonExpiredIndexReturnsCacheAsync()
{
var expected = 5;
var username = "******";
var reponame = "repo";
var cache = new InMemoryBlobCache();
var apiClient = Substitute.For <IApiClient>();
var modelService = CreateTarget(apiClient: apiClient, hostCache: cache);
var user = CreateOctokitUser(username);
apiClient.GetUser().Returns(Observable.Return(user));
apiClient.GetOrganizations().Returns(Observable.Empty <Organization>());
var act = modelService.GetAccounts().ToEnumerable().First().First();
var repo = Substitute.For <LocalRepositoryModel>();
repo.Name.Returns(reponame);
repo.CloneUrl.Returns(new UriString("https://github.com/" + username + "/" + reponame));
var indexKey = string.Format(CultureInfo.InvariantCulture, "{0}|{1}:{2}", CacheIndex.PRPrefix, user.Login, repo.Name);
var prcache = Enumerable.Range(1, expected)
.Select(id => CreatePullRequest(user, id, ItemState.Open, "Cache " + id, DateTimeOffset.UtcNow, DateTimeOffset.UtcNow));
// seed the cache
prcache
.Select(item => new PullRequestCacheItem(item))
.Select(item => item.Save <PullRequestCacheItem>(cache, indexKey).ToEnumerable().First())
.SelectMany(item => CacheIndex.AddAndSaveToIndex(cache, indexKey, item).ToEnumerable())
.ToList();
var prlive = Observable.Range(1, expected)
.Select(id => CreatePullRequest(user, id, ItemState.Open, "Live " + id, DateTimeOffset.UtcNow, DateTimeOffset.UtcNow))
.DelaySubscription(TimeSpan.FromMilliseconds(10));
apiClient.GetPullRequestsForRepository(user.Login, repo.Name).Returns(prlive);
await modelService.InsertUser(new AccountCacheItem(user));
ITrackingCollection <IPullRequestModel> col = new TrackingCollection <IPullRequestModel>();
modelService.GetPullRequests(repo, col);
col.ProcessingDelay = TimeSpan.Zero;
col.Subscribe();
await col.OriginalCompleted.Timeout(TimeSpan.FromMilliseconds(Timeout));;
Assert.That(expected, Is.EqualTo(col.Count));
//Assert.Collection(col, col.Select(x => new Action<IPullRequestModel>(t => Assert.That("Cache", StartsWith(x.Title)))).ToArray());
}
public DocumentCache(CacheSettings settings)
{
Settings = settings;
myCacheFolder = Path.Combine(Path.GetTempPath(), "Maui.Data.Recognition.Cache");
if (!Directory.Exists(myCacheFolder))
{
Directory.CreateDirectory(myCacheFolder);
}
myIndexFile = Path.Combine(myCacheFolder, "cache.idx");
myIndex = CacheIndex.LoadOrCreate(myIndexFile);
}
public DocumentCache( CacheSettings settings )
{
Settings = settings;
myCacheFolder = Path.Combine( Path.GetTempPath(), "Maui.Data.Recognition.Cache" );
if ( !Directory.Exists( myCacheFolder ) )
{
Directory.CreateDirectory( myCacheFolder );
}
myIndexFile = Path.Combine( myCacheFolder, "cache.idx" );
myIndex = CacheIndex.LoadOrCreate( myIndexFile );
}
protected void InitCache(Connection conn, CacheIndex cacheIndex)
{
SqlSelect select = new SqlSelect(Name, null);
int index = (int)cacheIndex;
if (Cache[index] != null)
{
throw new RangeException(String.Format("Caching index {0} twice", index));
}
Cache[index] = new List <Alias>();
LoadArray(conn, select, Cache[index]);
}
public override byte[] GetFileData(CacheIndex index, int fileId, CacheFileInfo?info)
{
// Read the sectors and take their payload data up to the size of the contained file.
return(this
.GetFileSectors(index, fileId, out var filesize)
.Aggregate(new List <byte>(), (bytes, sector) =>
{
bytes.AddRange(sector.Payload);
return bytes;
})
.Take(filesize)
.ToArray());
}
public DocumentCache(CacheSettings settings)
{
Settings = settings;
myCacheFolder = Path.Combine(Path.GetTempPath(), "RaynMaker.Modules.Import.Cache");
if (!Directory.Exists(myCacheFolder))
{
Directory.CreateDirectory(myCacheFolder);
}
myIndexFile = Path.Combine(myCacheFolder, "cache.idx");
myIndex = CacheIndex.LoadOrCreate(myIndexFile);
}
/// <summary>
/// Updates the existing index item.
/// </summary>
/// <param name="clientIndex">Index from the client.</param>
/// <param name="cacheIndexInternal">The cache index internal.</param>
/// <param name="indexInfo">The index info.</param>
/// <param name="addItem">The add item.</param>
/// <param name="searchIndex">Index to search.</param>
/// <param name="storeContext">The store context.</param>
/// <param name="comparer">The comparer.</param>
private static void UpdateExistingIndexItem(CacheIndex clientIndex, CacheIndexInternal cacheIndexInternal, Index indexInfo, IndexDataItem addItem, int searchIndex, IndexStoreContext storeContext, InternalItemComparer comparer)
{
InternalItem internalItem = cacheIndexInternal.InternalItemList[searchIndex];
if (clientIndex.TargetIndexName != null) //Save to single index
{
if (addItem.Tags != null && addItem.Tags.Count > 0)
{
bool reposition = IsRepositioningOfIndexItemRequired(indexInfo, addItem, internalItem);
// Update all tags on the internal item
foreach (KeyValuePair <string, byte[]> kvp in addItem.Tags)
{
storeContext.TagHashCollection.AddTag(cacheIndexInternal.InDeserializationContext.TypeId, kvp.Key);
internalItem.UpdateTag(TagHashCollection.GetTagHashCode(kvp.Key), kvp.Value);
}
// Reposition index item if required
if (reposition)
{
RepositionIndexItem(cacheIndexInternal, indexInfo, addItem, searchIndex, internalItem, comparer);
}
}
}
else //Save to multiple indexes
{
if (addItem.Tags != null && addItem.Tags.Count > 0)
{
List <string> tagNameList;
byte[] tagValue;
clientIndex.IndexTagMapping.TryGetValue(cacheIndexInternal.InDeserializationContext.IndexName, out tagNameList);
bool reposition = IsRepositioningOfIndexItemRequired(indexInfo, addItem, internalItem);
// Update all tags on the internal item
foreach (string tagName in tagNameList)
{
//Add to tagHashCollection
storeContext.TagHashCollection.AddTag(cacheIndexInternal.InDeserializationContext.TypeId, tagName);
addItem.TryGetTagValue(tagName, out tagValue);
internalItem.UpdateTag(TagHashCollection.GetTagHashCode(tagName), tagValue);
}
// Reposition index item if required
if (reposition)
{
RepositionIndexItem(cacheIndexInternal, indexInfo, addItem, searchIndex, internalItem, comparer);
}
}
}
}
public void IsExpired_WhenNewXapFile_ReturnsTrue()
{
//Arrange
var cacheIndex = new CacheIndex();
//Act
//Assert
Assert.IsTrue(cacheIndex.IsExpired(string.Empty, new Version(0, 0)));
}
public void IsExpired_WhenOtherVersion_ReturnsTrue()
{
//Arrange
var cacheIndex = new CacheIndex();
var xapName = Guid.NewGuid().ToString();
var version = new Version(1, 0);
var otherVersion = new Version(1, 1);
//Act
cacheIndex.Add(xapName, version);
//Assert
Assert.IsTrue(cacheIndex.IsExpired(xapName, otherVersion));
}
public void Remove_WhenNewXapFile_ReturnsTrue()
{
//Arrange
var cacheIndex = new CacheIndex();
var xapName = Guid.NewGuid().ToString();
var version = new Version(1, 0);
//Act
cacheIndex.Add(xapName, version);
cacheIndex.Remove(xapName);
//Assert
Assert.IsTrue(cacheIndex.IsExpired(xapName, version));
}
public void Reset(CacheIndex.Item new_definition)
{
definition = new_definition;
Database.SetRoot(definition);
}
