internal void EnsureClientTypeVersion()
{
if (ClientTypeVersion != 0)
{
return;
}
EnsureKnownLastPersistedVersion();
var props = _clientType.GetProperties();
var fields = new List <TableFieldInfo>(props.Length);
foreach (var pi in props)
{
fields.Add(TableFieldInfo.Build(Name, pi, _tableInfoResolver.FieldHandlerFactory, ClientType));
}
var tvi = new TableVersionInfo(fields.ToArray());
if (LastPersistedVersion == 0)
{
_tableVersions.TryAdd(1, tvi);
ClientTypeVersion = 1;
}
else
{
var last = _tableVersions.GetOrAdd(LastPersistedVersion, v => _tableInfoResolver.LoadTableVersionInfo(_id, v, Name));
if (TableVersionInfo.Equal(last, tvi))
{
ClientTypeVersion = LastPersistedVersion;
}
else
{
_tableVersions.TryAdd(LastPersistedVersion + 1, tvi);
ClientTypeVersion = LastPersistedVersion + 1;
}
}
}
internal static bool Equal(TableFieldInfo a, UnresolvedTableFieldInfo b)
{
if (a.Name != b.Name)
{
return(false);
}
var ha = a.Handler;
if (ha.Name != b._handlerName)
{
return(false);
}
var ca = ha.Configuration;
var cb = b._configuration;
if (ca == cb)
{
return(true);
}
if (ca == null || cb == null)
{
return(false);
}
if (ca.Length != cb.Length)
{
return(false);
}
if (BitArrayManipulation.CompareByteArray(ca, ca.Length, cb, cb.Length) != 0)
{
return(false);
}
return(true);
}
void ValidateAdvancedEnumParameter(TableFieldInfo field, Type advEnumParamType, string methodName)
{
if (!field.Handler.IsCompatibleWith(advEnumParamType, FieldHandlerOptions.Orderable))
{
throw new BTDBException($"Parameter type mismatch in {methodName} (expected '{field.Handler.HandledType().ToSimpleName()}' but '{advEnumParamType.ToSimpleName()}' found).");
}
}
internal ReadOnlyMemory <TableFieldInfo> GetAllFields()
{
var res = new TableFieldInfo[PrimaryKeyFields.Length + Fields.Length];
PrimaryKeyFields.CopyTo(res);
Fields.CopyTo(res.AsMemory(PrimaryKeyFields.Length));
return(res);
}
internal static TableVersionInfo Load(AbstractBufferedReader reader, IFieldHandlerFactory fieldHandlerFactory, string tableName)
{
var fieldCount = reader.ReadVUInt32();
var fieldInfos = new TableFieldInfo[fieldCount];
for (int i = 0; i < fieldCount; i++)
{
fieldInfos[i] = TableFieldInfo.Load(reader, fieldHandlerFactory, tableName, FieldHandlerOptions.None);
}
return new TableVersionInfo(fieldInfos);
}
internal static TableVersionInfo Load(ref SpanReader reader, IFieldHandlerFactory fieldHandlerFactory, string tableName)
{
var fieldCount = reader.ReadVUInt32();
var fieldInfos = new TableFieldInfo[fieldCount];
for (var i = 0; i < fieldCount; i++)
{
fieldInfos[i] = TableFieldInfo.Load(ref reader, fieldHandlerFactory, tableName, FieldHandlerOptions.None);
}
return(new TableVersionInfo(fieldInfos));
}
internal static TableVersionInfo Load(AbstractBufferedReader reader, IFieldHandlerFactory fieldHandlerFactory, string tableName)
{
var fieldCount = reader.ReadVUInt32();
var fieldInfos = new TableFieldInfo[fieldCount];
for (int i = 0; i < fieldCount; i++)
{
fieldInfos[i] = TableFieldInfo.Load(reader, fieldHandlerFactory, tableName);
}
return(new TableVersionInfo(fieldInfos));
}
public static RelationVersionInfo Load(AbstractBufferedReader reader, IFieldHandlerFactory fieldHandlerFactory, string relationName)
{
var pkCount = reader.ReadVUInt32();
var primaryKeys = new List <TableFieldInfo>((int)pkCount);
for (var i = 0u; i < pkCount; i++)
{
primaryKeys.Add(TableFieldInfo.Load(reader, fieldHandlerFactory, relationName, FieldHandlerOptions.Orderable));
}
var skFieldCount = reader.ReadVUInt32();
var secondaryKeyFields = new TableFieldInfo[skFieldCount];
for (var i = 0; i < skFieldCount; i++)
{
secondaryKeyFields[i] = TableFieldInfo.Load(reader, fieldHandlerFactory, relationName,
FieldHandlerOptions.Orderable);
}
var skCount = reader.ReadVUInt32();
var secondaryKeys = new Dictionary <uint, SecondaryKeyInfo>((int)skCount);
var secondaryKeysNames = new Dictionary <string, uint>((int)skCount);
for (var i = 0; i < skCount; i++)
{
var skIndex = reader.ReadVUInt32();
var info = new SecondaryKeyInfo();
info.Index = reader.ReadVUInt32();
info.Name = reader.ReadString();
var cnt = reader.ReadVUInt32();
info.Fields = new List <FieldId>((int)cnt);
for (var j = 0; j < cnt; j++)
{
var fromPrimary = reader.ReadBool();
var index = reader.ReadVUInt32();
info.Fields.Add(new FieldId(fromPrimary, index));
}
secondaryKeys.Add(skIndex, info);
secondaryKeysNames.Add(info.Name, skIndex);
}
var fieldCount = reader.ReadVUInt32();
var fieldInfos = new TableFieldInfo[fieldCount];
for (int i = 0; i < fieldCount; i++)
{
fieldInfos[i] = TableFieldInfo.Load(reader, fieldHandlerFactory, relationName, FieldHandlerOptions.None);
}
return(new RelationVersionInfo(primaryKeys, secondaryKeys, secondaryKeysNames, fieldInfos));
}
internal static bool Equal(TableVersionInfo a, TableVersionInfo b)
{
if (a.FieldCount != b.FieldCount)
{
return(false);
}
for (int i = 0; i < a.FieldCount; i++)
{
if (!TableFieldInfo.Equal(a[i], b[i]))
{
return(false);
}
}
return(true);
}
internal static bool Equal(TableFieldInfo a, TableFieldInfo b)
{
if (a.Name != b.Name) return false;
var ha = a.Handler;
var hb = b.Handler;
if (ha == hb) return true;
if (ha.Name != hb.Name) return false;
var ca = ha.Configuration;
var cb = hb.Configuration;
if (ca == cb) return true;
if (ca == null || cb == null) return false;
if (ca.Length != cb.Length) return false;
if (BitArrayManipulation.CompareByteArray(ca, ca.Length, cb, cb.Length) != 0) return false;
return true;
}
internal static bool Equal(RelationVersionInfo a, RelationVersionInfo b)
{
//PKs
if (a._primaryKeyFields.Count != b._primaryKeyFields.Count)
{
return(false);
}
for (int i = 0; i < a._primaryKeyFields.Count; i++)
{
if (!TableFieldInfo.Equal(a._primaryKeyFields[i], b._primaryKeyFields[i]))
{
return(false);
}
}
//SKs
if (a._secondaryKeys.Count != b._secondaryKeys.Count)
{
return(false);
}
foreach (var key in a._secondaryKeys)
{
SecondaryKeyInfo bInfo;
if (!b._secondaryKeys.TryGetValue(key.Key, out bInfo))
{
return(false);
}
if (!SecondaryKeyInfo.Equal(key.Value, bInfo))
{
return(false);
}
}
//Fields
if (a._fields.Length != b._fields.Length)
{
return(false);
}
for (int i = 0; i < a._fields.Length; i++)
{
if (!TableFieldInfo.Equal(a._fields[i], b._fields[i]))
{
return(false);
}
}
return(true);
}
internal void EnsureClientTypeVersion()
{
if (ClientTypeVersion != 0)
{
return;
}
EnsureKnownLastPersistedVersion();
var props = _clientType.GetProperties(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance);
var fields = new StructList <TableFieldInfo>();
fields.Reserve((uint)props.Length);
foreach (var pi in props)
{
if (pi.GetCustomAttributes(typeof(NotStoredAttribute), true).Length != 0)
{
continue;
}
if (pi.GetIndexParameters().Length != 0)
{
continue;
}
fields.Add(TableFieldInfo.Build(Name, pi, _tableInfoResolver.FieldHandlerFactory, FieldHandlerOptions.None));
}
var tvi = new TableVersionInfo(fields.ToArray());
if (LastPersistedVersion == 0)
{
_tableVersions.TryAdd(1, tvi);
ClientTypeVersion = 1;
}
else
{
var last = _tableVersions.GetOrAdd(LastPersistedVersion, (ver, tableInfo) => tableInfo._tableInfoResolver.LoadTableVersionInfo(tableInfo._id, ver, tableInfo.Name), this);
if (TableVersionInfo.Equal(last, tvi))
{
_tableVersions[LastPersistedVersion] = tvi; // tvi was build from real types and not loaded so it is more exact
ClientTypeVersion = LastPersistedVersion;
}
else
{
_tableVersions.TryAdd(LastPersistedVersion + 1, tvi);
ClientTypeVersion = LastPersistedVersion + 1;
}
}
}
public void ResolveFieldHandlers(IFieldHandlerFactory fieldHandlerFactory)
{
var resolvedPrimaryKeyFields = new TableFieldInfo[_primaryKeyFields.Count];
for (var i = 0; i < _primaryKeyFields.Count; i++)
{
resolvedPrimaryKeyFields[i] = ((UnresolvedTableFieldInfo)_primaryKeyFields[i]).Resolve(fieldHandlerFactory);
}
_primaryKeyFields = resolvedPrimaryKeyFields;
var resolvedSecondaryKeyFields = new TableFieldInfo[_secondaryKeyFields.Count];
for (var i = 0; i < _secondaryKeyFields.Count; i++)
{
resolvedSecondaryKeyFields[i] = ((UnresolvedTableFieldInfo)_secondaryKeyFields[i]).Resolve(fieldHandlerFactory);
}
_secondaryKeyFields = resolvedSecondaryKeyFields;
for (var i = 0; i < _fields.Length; i++)
{
_fields[i] = ((UnresolvedTableFieldInfo)_fields[i]).Resolve(fieldHandlerFactory);
}
}
static void SaveKeyFieldFromApartField(IILGen ilGenerator, TableFieldInfo field, MethodInfo fieldGetter, IILLocal writerLoc)
{
field.Handler.SpecializeSaveForType(fieldGetter.ReturnType).Save(ilGenerator,
il => il.Ldloc(writerLoc),
il => il.Ldarg(0).Callvirt(fieldGetter));
}
static void SaveKeyFieldFromArgument(IILGen ilGenerator, TableFieldInfo field, ushort parameterId, Type parameterType, IILLocal writerLoc)
{
field.Handler.SpecializeSaveForType(parameterType).Save(ilGenerator,
il => il.Ldloc(writerLoc),
il => il.Ldarg(parameterId));
}
internal static void FillBufferWhenNotIgnoredKeyPropositionIl(ushort advEnumParamOrder, TableFieldInfo field, IILLocal emptyBufferLoc,
FieldInfo instField, IILGen ilGenerator)
{
//stack contains KeyProposition
var ignoreLabel = ilGenerator.DefineLabel(instField + "_ignore");
var doneLabel = ilGenerator.DefineLabel(instField + "_done");
var writerLoc = ilGenerator.DeclareLocal(typeof(AbstractBufferedWriter));
ilGenerator
.Dup()
.LdcI4((int)KeyProposition.Ignored)
.BeqS(ignoreLabel)
.Newobj(() => new ByteBufferWriter())
.Stloc(writerLoc);
field.Handler.Save(ilGenerator,
il => il.Ldloc(writerLoc),
il => il.Ldarg(advEnumParamOrder).Ldfld(instField));
var dataGetter = typeof(ByteBufferWriter).GetProperty("Data").GetGetMethod(true);
ilGenerator.Ldloc(writerLoc).Callvirt(dataGetter);
ilGenerator
.Br(doneLabel)
.Mark(ignoreLabel)
.Ldloc(emptyBufferLoc)
.Mark(doneLabel);
}
RelationVersionInfo CreateVersionInfoByReflection()
{
var props = _clientType.GetProperties(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance);
var primaryKeys = new Dictionary <uint, TableFieldInfo>(1); //PK order->fieldInfo
var secondaryKeyFields = new List <TableFieldInfo>();
var secondaryKeys = new List <Tuple <int, IList <SecondaryKeyAttribute> > >(); //positive: sec key field idx, negative: pk order, attrs
var fields = new List <TableFieldInfo>(props.Length);
foreach (var pi in props)
{
if (pi.GetCustomAttributes(typeof(NotStoredAttribute), true).Length != 0)
{
continue;
}
if (pi.GetIndexParameters().Length != 0)
{
continue;
}
var pks = pi.GetCustomAttributes(typeof(PrimaryKeyAttribute), true);
PrimaryKeyAttribute actualPKAttribute = null;
if (pks.Length != 0)
{
actualPKAttribute = (PrimaryKeyAttribute)pks[0];
var fieldInfo = TableFieldInfo.Build(Name, pi, _relationInfoResolver.FieldHandlerFactory,
FieldHandlerOptions.Orderable);
if (fieldInfo.Handler.NeedsCtx())
{
throw new BTDBException($"Unsupported key field {fieldInfo.Name} type.");
}
primaryKeys.Add(actualPKAttribute.Order, fieldInfo);
}
var sks = pi.GetCustomAttributes(typeof(SecondaryKeyAttribute), true);
var id = (int)(-actualPKAttribute?.Order ?? secondaryKeyFields.Count);
List <SecondaryKeyAttribute> currentList = null;
for (var i = 0; i < sks.Length; i++)
{
if (i == 0)
{
currentList = new List <SecondaryKeyAttribute>(sks.Length);
secondaryKeys.Add(new Tuple <int, IList <SecondaryKeyAttribute> >(id, currentList));
if (actualPKAttribute == null)
{
secondaryKeyFields.Add(TableFieldInfo.Build(Name, pi, _relationInfoResolver.FieldHandlerFactory, FieldHandlerOptions.Orderable));
}
}
var key = (SecondaryKeyAttribute)sks[i];
if (key.Name == "Id")
{
throw new BTDBException("'Id' is invalid name for secondary key, it is reserved for primary key identification.");
}
currentList.Add(key);
}
if (actualPKAttribute == null)
{
fields.Add(TableFieldInfo.Build(Name, pi, _relationInfoResolver.FieldHandlerFactory, FieldHandlerOptions.None));
}
}
var prevVersion = LastPersistedVersion > 0 ? _relationVersions[LastPersistedVersion] : null;
return(new RelationVersionInfo(primaryKeys, secondaryKeys, secondaryKeyFields.ToArray(), fields.ToArray(), prevVersion));
}
void WritePrimaryKeyPrefixFinishedByAdvancedEnumerator(MethodInfo method, ParameterInfo[] parameters,
IILMethod reqMethod, int prefixParamCount, ushort advEnumParamOrder, Type advEnumParam, TableFieldInfo field,
IILLocal emptyBufferLoc)
{
reqMethod.Generator.Ldarg(0);
SavePKListPrefixBytes(reqMethod.Generator, method.Name,
parameters, _relationInfo.ApartFields);
reqMethod.Generator
.LdcI4(prefixParamCount + _relationInfo.ApartFields.Count)
.Ldarg(advEnumParamOrder).Ldfld(advEnumParam.GetField("Order"))
.Ldarg(advEnumParamOrder).Ldfld(advEnumParam.GetField("StartProposition"));
FillBufferWhenNotIgnoredKeyPropositionIl(advEnumParamOrder, field, emptyBufferLoc,
advEnumParam.GetField("Start"), reqMethod.Generator);
reqMethod.Generator
.Ldarg(advEnumParamOrder).Ldfld(advEnumParam.GetField("EndProposition"));
FillBufferWhenNotIgnoredKeyPropositionIl(advEnumParamOrder, field, emptyBufferLoc,
advEnumParam.GetField("End"), reqMethod.Generator);
}
internal TableVersionInfo(TableFieldInfo[] tableFields)
{
_tableFields = tableFields;
}
