public override IRelationConfig AutoExpression()
{
var left = this.Expression.SetLeft(this.CreateConstraint());
var right = this.Expression.SetRight(this.CreateConstraint());
if (this.LeftTable.Flags.HasFlag(TableFlags.AutoColumns) && this.LeftTable.PrimaryKey != null)
{
var column = default(IColumnConfig);
left.Left = this.Expression.CreateColumn(this.LeftTable.PrimaryKey);
if (this.MappingTable.TryCreateColumn(
ColumnConfig.By(
Conventions.RelationColumn(this.LeftTable),
Factories.Type.Create(
TypeConfig.By(
this.LeftTable.PrimaryKey.ColumnType.Type,
this.LeftTable.PrimaryKey.ColumnType.Size,
this.LeftTable.PrimaryKey.ColumnType.Precision,
this.LeftTable.PrimaryKey.ColumnType.Scale,
this.Flags.HasFlag(RelationFlags.AllowNull)
)
)
),
out column
))
{
left.Right = this.Expression.CreateColumn(column);
column.IsForeignKey = true;
}
}
this.Expression.Operator = this.Expression.CreateOperator(QueryOperator.AndAlso);
if (this.RightTable.Flags.HasFlag(TableFlags.AutoColumns) && this.RightTable.PrimaryKey != null)
{
var column = default(IColumnConfig);
right.Left = this.Expression.CreateColumn(this.RightTable.PrimaryKey);
if (this.MappingTable.TryCreateColumn(
ColumnConfig.By(
Conventions.RelationColumn(this.RightTable),
Factories.Type.Create(
TypeConfig.By(
this.RightTable.PrimaryKey.ColumnType.Type,
this.RightTable.PrimaryKey.ColumnType.Size,
this.RightTable.PrimaryKey.ColumnType.Precision,
this.RightTable.PrimaryKey.ColumnType.Scale,
this.Flags.HasFlag(RelationFlags.AllowNull)
)
)
),
out column
))
{
right.Right = this.Expression.CreateColumn(column);
column.IsForeignKey = true;
}
}
return(this);
}
public ITypeConfig Clone()
{
return(Factories.Type.Create(
TypeConfig.By(
this.Type,
this.Size,
this.Precision,
this.Scale,
this.IsNullable
)
));
}
public IRelationConfig Create<T, TRelation>(ITableConfig<T> table, string identifier, PropertyInfo property, RelationFlags? flags)
{
var elementType = default(Type);
var attribute = property.GetCustomAttribute<RelationAttribute>(true) ?? new RelationAttribute()
{
Identifier = identifier
};
if (string.IsNullOrEmpty(attribute.Identifier))
{
attribute.Identifier = string.Format("{0}_{1}", table.TableName, property.Name);
}
if (!attribute.IsFlagsSpecified)
{
if (flags.HasValue)
{
attribute.Flags = flags.Value;
}
else
{
attribute.Flags = Defaults.Relation.Flags;
}
}
var relation = default(IRelationConfig);
if (property.PropertyType.IsCollection(out elementType))
{
switch (attribute.Flags.EnsureMultiplicity(RelationFlags.OneToMany).GetMultiplicity())
{
case RelationFlags.OneToMany:
relation = (IRelationConfig)this.Members.Invoke(this, "CreateOneToMany", new[] { typeof(T), elementType }, table, attribute, property);
break;
case RelationFlags.ManyToMany:
relation = (IRelationConfig)this.Members.Invoke(this, "CreateManyToMany", new[] { typeof(T), elementType }, table, attribute, property);
break;
default:
throw new NotImplementedException();
}
}
else
{
relation = this.CreateOneToOne<T, TRelation>(table, attribute, property);
}
if (!string.IsNullOrEmpty(attribute.LeftColumn))
{
relation.Expression.Left = relation.Expression.CreateColumn(
relation.LeftTable.CreateColumn(
ColumnConfig.By(
attribute.LeftColumn,
Factories.Type.Create(TypeConfig.By(property))
)
).With(column => column.IsForeignKey = true)
);
}
if (!string.IsNullOrEmpty(attribute.RightColumn))
{
relation.Expression.Right = relation.Expression.CreateColumn(
relation.RightTable.CreateColumn(
ColumnConfig.By(
attribute.RightColumn,
Factories.Type.Create(TypeConfig.By(property))
)
).With(column => column.IsForeignKey = true)
);
}
return relation;
}
static Column()
{
Type = new TypeConfig(DbType.AnsiString, 0, 0, 0, false);
Flags = ColumnFlags.ValidateSchema;
}
public IColumnConfig Create(ITableConfig table, string identifier, string columnName, ITypeConfig columnType, PropertyInfo property, ColumnFlags?flags)
{
if (columnType == null)
{
columnType = Factories.Type.Create(TypeConfig.By(property));
}
var attribute = property.GetCustomAttribute <ColumnAttribute>(true) ?? new ColumnAttribute()
{
Name = columnName,
Identifier = identifier
};
if (string.IsNullOrEmpty(attribute.Name))
{
attribute.Name = Conventions.ColumnName(property);
}
if (string.IsNullOrEmpty(attribute.Identifier))
{
attribute.Identifier = string.Format("{0}_{1}", table.TableName, Conventions.ColumnName(property));
}
var isPrimaryKey = attribute.IsPrimaryKeySpecified ? attribute.IsPrimaryKey : string.Equals(attribute.Name, Conventions.KeyColumn, StringComparison.OrdinalIgnoreCase);
var isForeignKey = attribute.IsForeignKeySpecified ? attribute.IsForeignKey : false;
if (!attribute.IsFlagsSpecified)
{
if (flags.HasValue)
{
attribute.Flags = flags.Value;
}
else
{
attribute.Flags = Defaults.Column.Flags;
if (isPrimaryKey)
{
attribute.Flags |= Defaults.PrimaryKey.Flags;
}
if (isForeignKey)
{
attribute.Flags |= Defaults.ForeignKey.Flags;
}
}
}
var accessor = Factories.PropertyAccessor.Column.Create <object, object>(property, columnType);
return(new ColumnConfig(
table.Config,
attribute.Flags,
attribute.Identifier,
table,
attribute.Name,
columnType,
property,
accessor.Get,
accessor.Set,
accessor.Increment
)
{
IsPrimaryKey = isPrimaryKey,
IsForeignKey = isForeignKey
});
}
public void OneTimeSetUp()
{
var provider = this.CreateProvider();
try
{
provider.DeleteDatabase(this.InitialCatalog);
}
catch
{
//Nothing to do.
}
provider.CreateDatabase(this.InitialCatalog);
this.Database = this.CreateDatabase();
var tables = new[]
{
this.Database.Config.Transient.CreateTable(
TableConfig.By(typeof(Test001), TableFlags.AutoColumns | TableFlags.AutoIndexes)
).With(table =>
{
table.CreateColumn(ColumnConfig.By("Field4", ColumnFlags.None)).With(column =>
{
column.ColumnType = Factories.Type.Create(TypeConfig.By(DbType.Int32, isNullable: true));
});
table.CreateColumn(ColumnConfig.By("Field5", ColumnFlags.None)).With(column =>
{
column.ColumnType = Factories.Type.Create(TypeConfig.By(DbType.Double, isNullable: true));
});
}),
this.Database.Config.Transient.CreateTable(
TableConfig.By(typeof(Test003), TableFlags.AutoColumns | TableFlags.AutoIndexes)
).With(table =>
{
table.CreateColumn(ColumnConfig.By("Test002_Id", ColumnFlags.None)).With(column =>
{
column.ColumnType = Factories.Type.Create(TypeConfig.By(DbType.Int32, isNullable: true));
});
}),
this.Database.Config.Transient.CreateTable(
TableConfig.By(typeof(Test004), TableFlags.AutoColumns | TableFlags.AutoIndexes)
).With(table =>
{
table.CreateColumn(ColumnConfig.By("Test002_Id", ColumnFlags.None)).With(column =>
{
column.ColumnType = Factories.Type.Create(TypeConfig.By(DbType.Int32, isNullable: true));
});
}),
this.Database.Config.Transient.CreateTable(
TableConfig.By(typeof(Test002), TableFlags.AutoColumns | TableFlags.AutoIndexes | TableFlags.AutoRelations)
).With(table =>
{
table.CreateColumn(ColumnConfig.By("Version", ColumnFlags.None)).With(column =>
{
column.ColumnType = Factories.Type.Create(TypeConfig.By(DbType.Binary, size: 8, isNullable: true));
});
}),
this.Database.Config.Transient.CreateTable(
TableConfig.By(
this.Database.Config.Transient.CreateTable(
TableConfig.By(typeof(Test002), TableFlags.AutoColumns)
),
this.Database.Config.Transient.CreateTable(
TableConfig.By(typeof(Test004), TableFlags.AutoColumns)
),
TableFlags.AutoColumns | TableFlags.AutoRelations
)
),
this.Database.Config.Transient.CreateTable(
TableConfig.By(typeof(Test005), TableFlags.AutoColumns | TableFlags.AutoIndexes)
),
this.Database.Config.Transient.CreateTable(
TableConfig.By(typeof(Test006), TableFlags.AutoColumns | TableFlags.AutoIndexes)
),
this.Database.Config.Transient.CreateTable(
TableConfig.By(typeof(Test008), TableFlags.AutoColumns | TableFlags.AutoIndexes)
).With(table =>
{
table.CreateColumn(ColumnConfig.By("Test007_Id", ColumnFlags.None)).With(column =>
{
column.ColumnType = Factories.Type.Create(TypeConfig.By(DbType.Guid, isNullable: true));
});
}),
this.Database.Config.Transient.CreateTable(
TableConfig.By(typeof(Test009), TableFlags.AutoColumns | TableFlags.AutoIndexes)
).With(table =>
{
table.CreateColumn(ColumnConfig.By("Test007_Id", ColumnFlags.None)).With(column =>
{
column.ColumnType = Factories.Type.Create(TypeConfig.By(DbType.Guid, isNullable: true));
});
}),
this.Database.Config.Transient.CreateTable(
TableConfig.By(typeof(Test007), TableFlags.AutoColumns | TableFlags.AutoIndexes | TableFlags.AutoRelations)
),
this.Database.Config.Transient.CreateTable(
TableConfig.By(
this.Database.Config.Transient.CreateTable(
TableConfig.By(typeof(Test007), TableFlags.AutoColumns)
),
this.Database.Config.Transient.CreateTable(
TableConfig.By(typeof(Test009), TableFlags.AutoColumns)
),
TableFlags.AutoColumns | TableFlags.AutoRelations
)
)
};
foreach (var table in tables)
{
var query = this.Database.SchemaFactory.Add(table, Defaults.Schema.Flags).Build();
this.Database.Execute(query);
this.Database.Schema.Reset();
}
}
