//todo: temporary public
public FillingDelegate GetFiller(TypeMappingInfo mapping, Table table)
{
var ct = typeof(object);
// Fill(reader, obj, offset)
Type[] methodArgs2 = { typeof(IDataRecord), ct, typeof(int) };
var method = new DynamicMethod(
"ct",
null,
methodArgs2, typeof(SqlValueMapper));
var generator = method.GetILGenerator();
Type type = mapping.Type;
var i = 0;
foreach(var prop in table.Columns)
{
var navigation = prop as NavigationPropertyMapping;
if (navigation != null)
{
GenerateForNavigationProperty(navigation, type, generator, i);
}
else
{
GenerateForPrimitive(type, prop, generator, i);
}
i++;
}
// return
generator.Emit(OpCodes.Ret);
return (FillingDelegate)method.CreateDelegate(typeof(FillingDelegate));
}
//todo: temporary public
public CreatingDelegate GetTypeInstanceCreateDelegate(TypeMappingInfo mapping)
{
var ct = typeof(object);
Type[] methodArgs2 = { typeof(IDataRecord), typeof(int) };
var method = new DynamicMethod(
"ct",
ct,
methodArgs2, typeof(SqlValueMapper));
var generator = method.GetILGenerator();
var localV = generator.DeclareLocal(ct);
var hierarchy = mapping.Hierarchy;
var type = mapping.Type;
if (hierarchy == null || hierarchy.TypeMappings.Count == 1)
{
generator.Emit(OpCodes.Newobj, type.GetConstructor(Type.EmptyTypes));
}
else
{
generator.Emit(OpCodes.Ldarg_0);
generator.Emit(OpCodes.Ldarg_1);
generator.Emit(OpCodes.Ldc_I4, 1);
generator.Emit(OpCodes.Add);
generator.Emit(OpCodes.Call, GetInt);
var endOfMethod = generator.DefineLabel();
var defaultLabel = generator.DefineLabel();
var jumpTable = hierarchy.TypeMappings.Select(z => generator.DefineLabel()).ToArray();
generator.Emit(OpCodes.Switch, jumpTable);
for (var i = 0; i < jumpTable.Length; i++)
{
generator.MarkLabel(jumpTable[i]);
generator.Emit(OpCodes.Newobj, hierarchy.TypeMappings[i].Type.GetConstructor(Type.EmptyTypes));
generator.Emit(OpCodes.Br, endOfMethod);
}
generator.MarkLabel(defaultLabel);
//todo: make detailed
generator.ThrowException(typeof(InvalidOperationException));
generator.MarkLabel(endOfMethod);
}
generator.Emit(OpCodes.Stloc, localV);
generator.Emit(OpCodes.Ldloc, localV);
generator.Emit(OpCodes.Ldarg_0);
generator.Emit(OpCodes.Ldarg_1);
generator.Emit(OpCodes.Ldc_I4, 0);
generator.Emit(OpCodes.Add);
var idProperty = type.GetProperty(mapping.IdentityField);
generator.Emit(OpCodes.Call, GetGetterMethod(idProperty.PropertyType, false));
generator.Emit(OpCodes.Call, idProperty.GetSetMethod());
generator.Emit(OpCodes.Ldloc, localV);
generator.Emit(OpCodes.Ret);
return (CreatingDelegate)method.CreateDelegate(typeof(CreatingDelegate));
}
public TypeMappingConfig(FluentConfiguration fluentConfiguration, Type type)
{
if (fluentConfiguration == null)
throw new ArgumentNullException("fluentConfiguration");
if (type == null)
throw new ArgumentNullException("type");
_configuration = fluentConfiguration;
_type = type;
_mapping = new TypeMappingInfo { Type = type, IdentityField = fluentConfiguration.IdPropertyName };
}
//public IEnumerable<PropertyMapping> PropertyMappings { get { return _propertyMappings; } }
//public IEnumerable<NavigationPropertyMapping> NavigationPropertyMappings { get { return _navigationPropertyMappings.OfType<NavigationPropertyMapping>(); } }
public void RefillFromParent(TypeMappingInfo parentMapping)
{
_tables.InsertRange(0, parentMapping.Tables.OfType<EntityTable>());
for (var i = 0; i < parentMapping._propertyMappings.Count; i++)
_propertyMappings.Insert(i, parentMapping._propertyMappings[i]);
}
private IEnumerable<SelectPart> Include(SelectSqlBuilder bulder, TableContext mainTableContext, TypeMappingInfo typeMapping, string include)
{
var fields = include.Split('.');
var currentType = typeMapping;
var context = mainTableContext;
foreach (var navigationField in fields)
{
var navProperty = (NavigationPropertyMapping) currentType.GetProperty(navigationField);
if (navProperty.Table is PrimitiveListTable)
{
var listContext = GetTableContext(navProperty.Table, "S");
bulder.SelectAll(listContext);
bulder.LeftOuterJoin(context, listContext, ((EntityTable)context.Table).IdentityColumn.ColumnName, navProperty.Table.Columns.First().ColumnName);
yield return new ExpansionPart
{
Table = navProperty.Table,
CollectingType = currentType,
CollectingProperty = navProperty
};
break;
}
//todo: no primitive collections totally and no inheritance lookup
var targetType = navProperty.TargetType;
var tableInfo = targetType.Tables.OfType<EntityTable>().First();
var nextcontext = GetTableContext(tableInfo, "S");
bulder.SelectAll(nextcontext);
if (navProperty.Host == ReferenceHost.Parent)
{
bulder.LeftOuterJoin(context, nextcontext, navProperty.ColumnName, tableInfo.IdentityColumn.ColumnName);
}
else if (navProperty.Host == ReferenceHost.Child)
{
bulder.LeftOuterJoin(context, nextcontext, ((EntityTable)context.Table).IdentityColumn.ColumnName, navProperty.ColumnName);
}
else
throw new NotImplementedException();
yield return new SubTypePart
{
Type = targetType,
Tables = new[] {tableInfo},
CollectingType = currentType,
CollectingProperty = navProperty
};
currentType = targetType;
context = nextcontext;
}
}
private void BuildSelectPredicate(SelectSqlBuilder builder, TableContext initialContext, TypeMappingInfo type, string s)
{
var fields = s.Split('.');
var currentType = type;
var context = initialContext;
string predicate;
foreach (var navigationField in fields.Take(fields.Length - 1))
{
var navProperty = (NavigationPropertyMapping) type.GetProperty(navigationField);
var table = navProperty.Table;
if (table is PrimitiveListTable)
{
builder.Where(PredicateForPrimitiveList(builder, table, context));
return;
}
currentType = navProperty.TargetType;
//todo: no primitive collections totally and no inheritance lookup
var tableInfo = currentType.Tables.OfType<EntityTable>().First();
var nextcontext = GetTableContext(tableInfo, "T");
if (navProperty.Host == ReferenceHost.Parent)
{
builder.InnerJoin(context, nextcontext, navProperty.ColumnName, tableInfo.IdentityColumn.ColumnName);
}
else if (navProperty.Host == ReferenceHost.Child)
{
builder.InnerJoin(context, nextcontext, ((EntityTable)context.Table).IdentityColumn.ColumnName, navProperty.ColumnName);
}
else
throw new NotImplementedException();
context = nextcontext;
}
var property = currentType.GetProperty(fields.Last());
var tbl = property.Table;
if (tbl is PrimitiveListTable)
{
predicate = PredicateForPrimitiveList(builder, tbl, context);
}
else
{
predicate = builder.GetEquality(GetTableContext(tbl, tbl == initialContext.Table ? "M" : "T"), property.ColumnName, builder.GetNextParameter());
}
//todo: think of context and inheritance
builder.Where(predicate);
}
public CreateTableBuilder(TypeMappingInfo mappingInfo)
{
if (mappingInfo == null)
throw new ArgumentNullException("mappingInfo");
_mappingInfo = mappingInfo;
}
public void AddMapping(TypeMappingInfo childType)
{
childType.Discriminator = _typeMappings.Count + 1;
_typeMappings.Add(childType);
}
