/// <summary>
/// Serialize a single index
/// </summary>
/// <typeparam name="TKey">The type of the key</typeparam>
/// <typeparam name="TIndex">The type of the index</typeparam>
/// <param name="type">The type of the parent table</param>
/// <param name="indexName">The name of the index</param>
/// <param name="indexMap">The index map</param>
public override async Task SerializeIndexAsync <TKey, TIndex>(Type type, string indexName,
Dictionary <TKey, TIndex> indexMap)
{
var indexPath = _pathProvider.GetIndexPath(_basePath, DatabaseInstanceName, type, this, indexName);
var pathLock = PathLock.GetLock(type.FullName);
using (await pathLock.LockAsync().ConfigureAwait(false))
{
using (var indexFile = _fileHelper.GetWriter(indexPath))
{
indexFile.Write(indexMap.Count);
foreach (var index in indexMap)
{
DatabaseSerializer.Serialize(index.Key, indexFile);
DatabaseSerializer.Serialize(index.Value, indexFile);
}
}
}
}
/// <summary>
/// Deserialize the keys
/// </summary>
/// <param name="type">Type of the parent table</param>
/// <param name="keyType">Type of the key</param>
/// <param name="dictionary">Empty dictionary</param>
/// <returns>The key list</returns>
public override async Task <IDictionary> DeserializeKeysAsync(Type type, Type keyType, IDictionary dictionary)
{
var keyPath = _pathProvider.GetKeysPath(_basePath, DatabaseInstanceName, type, this);
if (_fileHelper.FileExists(keyPath))
{
var pathLock = PathLock.GetLock(type.FullName);
using (await pathLock.LockAsync().ConfigureAwait(false))
{
using (var keyFile = _fileHelper.GetReader(keyPath))
{
var count = keyFile.ReadInt32();
for (var x = 0; x < count; x++)
{
dictionary.Add(DatabaseSerializer.Deserialize(keyType, keyFile), keyFile.ReadInt32());
}
}
}
}
return(dictionary);
}