/// <summary>
/// Creates a new storage instance with specified types of keys and values.
/// </summary>
/// <typeparam name="TKey">The type of key</typeparam>
/// <typeparam name="TValue">The type of value</typeparam>
/// <param name="serializeKey">Key serialization method</param>
/// <param name="deserializeKey">Key deserialization method</param>
/// <param name="serializeValue">Value serialization method</param>
/// <param name="deserializeValue">Value deserialization method</param>
/// <param name="settings">Setiings of creating storage</param>
/// <returns>New storage instance</returns>
public IKeyValueStorage <KeyOf <TKey>, ValueOf <TValue> > CreateRadixTreeStorage <TKey, TValue>(
Func <TKey, byte[]> serializeKey,
Func <byte[], TKey> deserializeKey,
Func <TValue, byte[]> serializeValue,
Func <byte[], TValue> deserializeValue,
RadixTreeStorageSettings settings)
{
if (serializeKey == null)
{
throw new ArgumentNullException(nameof(serializeKey));
}
if (deserializeKey == null)
{
throw new ArgumentNullException(nameof(deserializeKey));
}
if (serializeValue == null)
{
throw new ArgumentNullException(nameof(serializeValue));
}
if (deserializeValue == null)
{
throw new ArgumentNullException(nameof(deserializeValue));
}
return(CreateRadixTreeStorage(new Serializer <TKey>(serializeKey, deserializeKey),
new Serializer <TValue>(serializeValue, deserializeValue), settings));
}
/// <summary>
/// Creates a new bytearray storage instance with specified type of keys.
/// </summary>
/// <typeparam name="TKey">The type of key</typeparam>
/// <param name="serializeKey">Key serialization method</param>
/// <param name="deserializeKey">Key deserialization method</param>
/// <param name="settings">Setiings of creating storage</param>
/// <returns>New storage instance</returns>
public IKeyValueStorage <KeyOf <TKey>, ValueOf <byte[]> > CreateRadixTreeByteArrayStorage <TKey>(
Func <TKey, byte[]> serializeKey,
Func <byte[], TKey> deserializeKey,
RadixTreeStorageSettings settings)
{
return(CreateRadixTreeStorage(serializeKey, deserializeKey, p => p, p => p, settings));
}
/// <summary>
/// Creates a new storage instance with specified types of keys using built-in serialization routines.
/// Supported types of keys are: int, long, uint, ulong, double, float, DateTime, Guid, string and byte[]
/// </summary>
/// <typeparam name="TKey">The type of key</typeparam>
/// <typeparam name="TValue">The type of value</typeparam>
/// <param name="serializeValue">Value serialization method</param>
/// <param name="deserializeValue">Value deserialization method</param>
/// <param name="settings">Setiings of creating storage</param>
/// <returns>New storage instance</returns>
public IKeyValueStorage <KeyOf <TKey>, ValueOf <TValue> > CreateRadixTreeStorage <TKey, TValue>(
Func <TValue, byte[]> serializeValue,
Func <byte[], TValue> deserializeValue,
RadixTreeStorageSettings settings)
{
var keys = BuiltInKeySerializers();
var type = typeof(TKey);
if (!keys.ContainsKey(type))
{
ThrowNotSupportedType(type, nameof(CreateRadixTreeStorage));
}
return(CreateRadixTreeStorage((ISerializer <TKey>)keys[type], new Serializer <TValue>(serializeValue, deserializeValue), settings));
}
private IRadixTreeKeyValueStorage <KeyOf <String>, ValueOf <String> > GetStorage()
{
var factory = new StorageFactory();
var settings = RadixTreeStorageSettings.Default();
settings.CacheSettings.MaxCachedPages = 3000;
settings.CacheSettings.MaxDirtyPages = 2000;
settings.ForcedWrites = false;
settings.PageSize = PageSize._4096;
return((IRadixTreeKeyValueStorage <KeyOf <String>, ValueOf <String> >)factory.CreateRadixTreeStorage(
p => Encoding.UTF8.GetBytes(p),
p => Encoding.UTF8.GetString(p),
p => Encoding.UTF8.GetBytes(p),
p => Encoding.UTF8.GetString(p),
settings));
}
private static IKeyValueStorage <KeyOf <string>, ValueOf <byte[]> > GetByteArrayStorage()
{
var factory = new StorageFactory();
return(factory.CreateRadixTreeByteArrayStorage <string>(RadixTreeStorageSettings.Default()));
}
/// <summary>
/// Creates a new storage instance with specified types of keys and values.
/// </summary>
/// <typeparam name="TKey">The type of key</typeparam>
/// <typeparam name="TValue">The type of value</typeparam>
/// <param name="keySerializer">Object implementing ISerializer interface for key serialization</param>
/// <param name="valueSerializer">Object implementing ISerializer interface for value serialization</param>
/// <param name="settings">Setiings of creating storage</param>
/// <returns>New storage instance</returns>
public IKeyValueStorage <KeyOf <TKey>, ValueOf <TValue> > CreateRadixTreeStorage <TKey, TValue>(ISerializer <TKey> keySerializer,
ISerializer <TValue> valueSerializer,
RadixTreeStorageSettings settings)
{
bool usePageCache = settings.CacheSettings != null;
if (settings.MaxEmptyPages < 0)
{
throw new ArgumentException("MaxEmptyPages shouldn't be negative", nameof(settings));
}
if (usePageCache)
{
if (settings.CacheSettings.MaxCachedPages < 0)
{
throw new ArgumentException("MaxCachedPages shouldn't be negative", nameof(settings));
}
if (settings.CacheSettings.MaxDirtyPages < 0)
{
throw new ArgumentException("MaxDirtyPages shouldn't be negative", nameof(settings));
}
if (settings.CacheSettings.MaxDirtyPages > settings.CacheSettings.MaxCachedPages)
{
throw new ArgumentException("MaxDirtyPages shouldn be equal to or less than MaxCachedPages", nameof(settings));
}
}
IPageManager pageManager = null;
IPageManager fsPageManager = null;
try
{
fsPageManager = new FileSystemPageManager((int)settings.PageSize, settings.ForcedWrites, 1, true)
{
MaxEmptyPages = settings.MaxEmptyPages
};
pageManager = usePageCache ?
new CachingPageManager(fsPageManager, settings.CacheSettings.MaxCachedPages, settings.CacheSettings.MaxDirtyPages)
: fsPageManager;
var ks = new Serializer <KeyOf <TKey> >(obj => keySerializer.Serialize(obj), bytes => keySerializer.Deserialize(bytes));
var vs = new Serializer <ValueOf <TValue> >(obj => valueSerializer.Serialize(obj), bytes => valueSerializer.Deserialize(bytes));
var radixTree = new RadixTree <KeyOf <TKey>, ValueOf <TValue> >(
new RadixTreeNodeStorage(pageManager),
new ValueStorage <ValueOf <TValue> >(new MemoryManager(new FreeSpaceMap(pageManager), pageManager), vs), ks);
return(new RadixTreeKeyValueStorage <KeyOf <TKey>, ValueOf <TValue> >(pageManager, radixTree, settings.AutoFlushInterval, settings.AutoFlushTimeout));
}
catch (Exception)
{
if (pageManager != null)
{
pageManager.Close();
}
else
{
fsPageManager?.Close();
}
throw;
}
}
/// <summary>
/// Creates a new bytearray storage instance with specified type of keys using built-in serialization routines.
/// Supported types of keys are: int, long, uint, ulong, double, float, DateTime, Guid, string and byte[]
/// </summary>
/// <typeparam name="TKey">The type of key</typeparam>
/// <param name="settings">Setiings of creating storage</param>
/// <returns>New storage instance</returns>
public IKeyValueStorage <KeyOf <TKey>, ValueOf <byte[]> > CreateRadixTreeByteArrayStorage <TKey>(
RadixTreeStorageSettings settings)
{
return(CreateRadixTreeStorage <TKey, byte[]>(p => p, p => p, settings));
}
/// <summary>
/// Creates a new storage instance with specified types of keys using built-in serialization routines.
/// Supported types of keys are: int, long, uint, ulong, double, float, DateTime, Guid, string and byte[]
/// </summary>
/// <typeparam name="TKey">The type of key</typeparam>
/// <typeparam name="TValue">The type of value</typeparam>
/// <param name="valueSerializer">Object implementing ISerializer interface for value serialization</param>
/// <param name="settings">Setiings of creating storage</param>
/// <returns>New storage instance</returns>
public IKeyValueStorage <KeyOf <TKey>, ValueOf <TValue> > CreateRadixTreeStorage <TKey, TValue>(ISerializer <TValue> valueSerializer, RadixTreeStorageSettings settings)
{
var keys = BuiltInKeySerializers();
var type = typeof(TKey);
if (!keys.ContainsKey(type))
{
ThrowNotSupportedType(type, nameof(CreateRadixTreeStorage));
}
return(CreateRadixTreeStorage((ISerializer <TKey>)keys[type], valueSerializer, settings));
}
