/// <summary>
/// <para>
/// Initializes a new <see cref="FileStorage"/> instance.
/// </para>
/// <para></para>
/// </summary>
/// <param name="DBFilename">
/// <para>A db filename.</para>
/// <para></para>
/// </param>
public FileStorage(string DBFilename)
{
var linksConstants = new LinksConstants <TLinkAddress>(enableExternalReferencesSupport: true);
var dataMemory = new FileMappedResizableDirectMemory(DBFilename);
_disposableLinks = new UnitedMemoryLinks <TLinkAddress>(dataMemory, UnitedMemoryLinks <UInt64> .DefaultLinksSizeStep, linksConstants, IndexTreeType.Default);
_synchronizedLinks = new SynchronizedLinks <TLinkAddress>(_disposableLinks);
var link = _synchronizedLinks.Create();
link = _synchronizedLinks.Update(link, newSource: link, newTarget: link);
ushort currentMappingLinkIndex = 1;
Any = _synchronizedLinks.Constants.Any;
_meaningRoot = GetOrCreateMeaningRoot(currentMappingLinkIndex++);
_unicodeSymbolMarker = GetOrCreateNextMapping(currentMappingLinkIndex++);
_unicodeSequenceMarker = GetOrCreateNextMapping(currentMappingLinkIndex++);
_setMarker = GetOrCreateNextMapping(currentMappingLinkIndex++);
_fileMarker = GetOrCreateNextMapping(currentMappingLinkIndex++);
_addressToNumberConverter = new AddressToRawNumberConverter <TLinkAddress>();
_numberToAddressConverter = new RawNumberToAddressConverter <TLinkAddress>();
var balancedVariantConverter = new BalancedVariantConverter <TLinkAddress>(_synchronizedLinks);
var unicodeSymbolCriterionMatcher = new TargetMatcher <TLinkAddress>(_synchronizedLinks, _unicodeSymbolMarker);
var unicodeSequenceCriterionMatcher = new TargetMatcher <TLinkAddress>(_synchronizedLinks, _unicodeSequenceMarker);
var charToUnicodeSymbolConverter = new CharToUnicodeSymbolConverter <TLinkAddress>(_synchronizedLinks, _addressToNumberConverter, _unicodeSymbolMarker);
var unicodeSymbolToCharConverter = new UnicodeSymbolToCharConverter <TLinkAddress>(_synchronizedLinks, _numberToAddressConverter, unicodeSymbolCriterionMatcher);
var sequenceWalker = new RightSequenceWalker <TLinkAddress>(_synchronizedLinks, new DefaultStack <TLinkAddress>(), unicodeSymbolCriterionMatcher.IsMatched);
_stringToUnicodeSequenceConverter = new CachingConverterDecorator <string, TLinkAddress>(new StringToUnicodeSequenceConverter <TLinkAddress>(_synchronizedLinks, charToUnicodeSymbolConverter, balancedVariantConverter, _unicodeSequenceMarker));
_unicodeSequenceToStringConverter = new CachingConverterDecorator <TLinkAddress, string>(new UnicodeSequenceToStringConverter <TLinkAddress>(_synchronizedLinks, unicodeSequenceCriterionMatcher, sequenceWalker, unicodeSymbolToCharConverter));
}
static void Main()
{
string file = "db.links";
File.Delete(file);
ulong a; // (1: 1 1)
using (var linksMemory = new UnitedMemoryLinks <ulong>(file))
{
a = linksMemory.CreatePoint();
}
var header = FileHelpers.ReadFirstOrDefault <LinksHeader <ulong> >(file);
var links = FileHelpers.ReadAll <RawLink <ulong> >(file).SkipFirst();
ulong b; // (2: 2 2)
using (var linksMemory = new UnitedMemoryLinks <ulong>(file))
{
b = linksMemory.CreatePoint();
}
header = FileHelpers.ReadFirstOrDefault <LinksHeader <ulong> >(file);
links = FileHelpers.ReadAll <RawLink <ulong> >(file).SkipFirst();
ulong c; // (3: 3 3)
using (var linksMemory = new UnitedMemoryLinks <ulong>(file))
{
c = linksMemory.CreatePoint();
}
header = FileHelpers.ReadFirstOrDefault <LinksHeader <ulong> >(file);
links = FileHelpers.ReadAll <RawLink <ulong> >(file).SkipFirst();
ulong aAndBPair; // (4: A B)
using (var linksMemory = new UnitedMemoryLinks <ulong>(file))
{
aAndBPair = linksMemory.CreateAndUpdate(a, b);
}
header = FileHelpers.ReadFirstOrDefault <LinksHeader <ulong> >(file);
links = FileHelpers.ReadAll <RawLink <ulong> >(file).SkipFirst();
ulong abcSequence; // (5: (4: A B) C)
using (var linksMemory = new UnitedMemoryLinks <ulong>(file))
{
abcSequence = linksMemory.CreateAndUpdate(aAndBPair, c);
}
header = FileHelpers.ReadFirstOrDefault <LinksHeader <ulong> >(file);
links = FileHelpers.ReadAll <RawLink <ulong> >(file).SkipFirst();
}
public static void Setup()
{
var dataMemory = new HeapResizableDirectMemory();
var indexMemory = new HeapResizableDirectMemory();
_splitMemory = new SplitMemoryLinks <uint>(dataMemory, indexMemory);
_splitMemoryLinks = _splitMemory.DecorateWithAutomaticUniquenessAndUsagesResolution();
var memory = new HeapResizableDirectMemory();
_unitedMemory = new UnitedMemoryLinks <uint>(memory);
_unitedMemoryLinks = _unitedMemory.DecorateWithAutomaticUniquenessAndUsagesResolution();
}
