public static SchemaMapping[] Compile(DataContextModel model)
{
var options = new CompilerParameters(References.Select(a => a.Location).ToArray()) {
GenerateInMemory = true
};
try {
var sourceFile = options.TempFiles.AddExtension("cs");
using (var writer = new StreamWriter(sourceFile))
model.WriteClasses(writer);
var compiler = new CSharpCodeProvider(new Dictionary<string, string> { { "CompilerVersion", "v4.0" } });
var results = compiler.CompileAssemblyFromFile(options, sourceFile);
if (results.Errors.Count > 0)
throw new InvalidOperationException(results.Errors.Cast<CompilerError>().Join(Environment.NewLine, ce => ce.ErrorText));
return
model.Schemas.Select(s =>
(SchemaMapping)
results.CompiledAssembly
.GetType(model.Namespace + "." + s.RowClassName)
.GetProperty("SchemaMapping").GetValue(null, null)
).SortDependencies(sm => sm.Schema)
.ToArray();
} finally { options.TempFiles.Delete(); }
}
public static string GenerateSource(this DataContextModel context)
{
var writer = new StringWriter(CultureInfo.InvariantCulture);
context.WriteClasses(writer);
return(writer.ToString());
}
public SchemaModel(DataContextModel owner)
{
Owner = owner;
Columns = new ColumnList(this);
ChildSchemas = new ReadOnlyObservableCollection <SchemaModel>(childSchemas);
}
public static void WriteClasses(this DataContextModel model, TextWriter writer)
{
if (model == null)
{
throw new ArgumentNullException("model");
}
if (writer == null)
{
throw new ArgumentNullException("writer");
}
var indentedWriter = new IndentedTextWriter(writer);
indentedWriter.WriteLine("using System;");
indentedWriter.WriteLine("using System.CodeDom.Compiler;");
indentedWriter.WriteLine("using System.Diagnostics;");
indentedWriter.WriteLine("using System.Linq;");
indentedWriter.WriteLine("using ShomreiTorah.Singularity;");
indentedWriter.WriteLine("using ShomreiTorah.Singularity.Sql;");
foreach (var import in model.Imports)
{
indentedWriter.WriteLine("using " + import.Namespace + ";");
}
indentedWriter.WriteLine();
indentedWriter.WriteLine("namespace " + model.Namespace + " {");
indentedWriter.Indent++;
bool first = true;
foreach (var schema in model.Schemas.Where(s => !s.IsExternal).OrderBy(s => s.Name))
{
if (first)
{
first = false;
}
else
{
indentedWriter.WriteLine();
}
WriteSchema(schema, indentedWriter);
}
indentedWriter.Indent--;
indentedWriter.WriteLine("}");
}
public SchemaModel(DataContextModel owner, XElement element)
: this(owner) {
Name = element.Attribute("Name").Value;
RowClassVisibility = Utils.ParseVisibility(element.Attribute("RowClassVisibility").Value);
RowClassName = element.Attribute("RowClassName").Value;
RowClassDescription = element.Attribute("RowClassDescription").Value;
SqlName = element.Attribute("SqlName").Value;
SqlSchemaName = element.Attribute("SqlSchemaName").Value;
Columns.AddRange(element.Elements("Column").Select(e => new ColumnModel(this, e)));
var pKey = element.Attribute("PrimaryKeyName");
if (pKey != null)
{
PrimaryKey = Columns.Single(c => c.Name == pKey.Value);
}
}
public SchemaDetailForm(DataContextModel context, SchemaModel schema)
{
InitializeComponent();
this.schema = schema;
this.context = context;
dataTypeEdit.Items.AddRange(standardColumnTypes);
dataTypeEdit.DropDownRows = standardColumnTypes.Length;
columnPickerEdit.DataSource = schema.Columns;
schemaBindingSource.DataSource = schema;
schemaVGrid.DataSource = new[] { schema };
UpdateNames();
UpdateForeignSchemaEdit(true);
UpdateColumnSqlNameEdit();
schema.PropertyChanged += schema_PropertyChanged;
context.Schemas.ListChanged += Schemas_ListChanged;
columnsView.BestFitColumns();
columnPickerEdit.View.BestFitColumns();
}
private void openFile_ItemClick(object sender, ItemClickEventArgs e)
{
if (!CheckDirty()) return;
using (var openDialog = new OpenFileDialog {
FileName = context.Name,
Filter = "XML Files (*.xml)|*.xml|All Files (*.*)|*.*",
Title = "Open DataContext"
}) {
if (openDialog.ShowDialog(this) != DialogResult.OK)
return;
CurrentFilePath = openDialog.FileName;
}
context = new DataContextModel(CurrentFilePath);
BindToContext();
}
private void newFile_ItemClick(object sender, ItemClickEventArgs e)
{
if (!CheckDirty()) return;
CurrentFilePath = null;
context = new DataContextModel();
BindToContext();
}
public SchemaModel(DataContextModel owner, XElement element, bool isExternal)
: this(owner, element)
{
IsExternal = isExternal;
}
public SchemaModel(DataContextModel owner, XElement element)
: this(owner)
{
Name = element.Attribute("Name").Value;
RowClassVisibility = Utils.ParseVisibility(element.Attribute("RowClassVisibility").Value);
RowClassName = element.Attribute("RowClassName").Value;
RowClassDescription = element.Attribute("RowClassDescription").Value;
SqlName = element.Attribute("SqlName").Value;
SqlSchemaName = element.Attribute("SqlSchemaName").Value;
Columns.AddRange(element.Elements("Column").Select(e => new ColumnModel(this, e)));
var pKey = element.Attribute("PrimaryKeyName");
if (pKey != null)
PrimaryKey = Columns.Single(c => c.Name == pKey.Value);
}
public SchemaModel(DataContextModel owner, XElement element, bool isExternal) : this(owner, element)
{
IsExternal = isExternal;
}
public static IEnumerable<SchemaModel> ReadSchemas(DataContextModel owner, DBConnector database)
{
if (database == null) throw new ArgumentNullException("database");
List<SchemaModel> tables = new List<SchemaModel>();
List<Action> postColumnActions = new List<Action>();
Func<string, string, SchemaModel> Table = (schema, name) => //First look for a new table from SQL Server, then for an existing one.
String.IsNullOrEmpty(name) ? null : tables.SingleOrDefault(t => t.SqlSchemaName == schema && t.SqlName == name)
?? owner.Schemas.SingleOrDefault(t => t.SqlSchemaName == schema && t.SqlName == name);
using (var connection = database.OpenConnection()) {
#region Read Tables
using (var reader = database.ExecuteReader(TablesSql)) {
while (reader.Read()) {
var table = new SchemaModel(owner) {
Name = (string)reader["TableName"],
SqlName = (string)reader["TableName"],
SqlSchemaName = reader["SchemaName"] as string
};
if (Table(table.SqlSchemaName, table.SqlName) != null) continue; //TODO: Import column
string keyName = reader["PrimaryKeyName"] as string;
if (!String.IsNullOrEmpty(keyName)) {
postColumnActions.Add(
() => table.PrimaryKey = table.Columns.Single(c => c.SqlName == keyName)
);
}
tables.Add(table);
}
}
#endregion
using (var reader = database.ExecuteReader(ColumnsSql)) {
while (reader.Read()) {
var table = Table((string)reader["SchemaName"], (string)reader["TableName"]);
if (table == null) continue; //Skip tables without RowVersion columns
var name = (string)reader["ColumnName"];
if (table.Columns.Any(c => c.SqlName == name))
continue; //Don't add duplicate columns to existing tables.
table.Columns.Add(new ColumnModel(table) {
Name = name,
SqlName = name,
DataType = SqlTypes[(string)reader["DataType"]],
AllowNulls = 1 == (int)reader["AllowNulls"],
IsUnique = 1 == (int)reader["IsUnique"],
ForeignSchema = Table(reader["ForeignSchema"] as string, reader["ForeignTable"] as string)
});
}
}
}
postColumnActions.ForEach(a => a());
return tables;
}
