public override void ReadSchema(DataSet dbSchema)
{
try
{
string assemblyFile = (fileLink as DiskFileLink).FileName;
if (assemblyFile == null)
{
throw new Exception($"assemly must be local file, {fileLink}");
}
if (!File.Exists(assemblyFile))
{
throw new Exception($"assemly file doesn't exist, {fileLink}");
}
string ns = fileLink.Options.Contains("namespace") ? fileLink.Options["namespace"] as string : null;
string clss = fileLink.Options.Contains("class") ? fileLink.Options["class"] as string : null;
bool typeFilter(Type type)
{
if (!type.IsClass)
{
return(false);
}
if (ns != null && !type.Namespace.IsMatch(ns))
{
return(false);
}
if (clss != null && !type.Name.IsMatch(clss))
{
return(false);
}
return(true);
}
Assembly assembly = Assembly.LoadFrom(assemblyFile);
this.data = TypeExtension.CreateDataSet(assembly, typeFilter);
var schema = new DbSchemaBuilder(dbSchema);
schema.AddSchema(data);
}
catch (Exception ex)
{
throw new Exception($"bad data source defined {fileLink}, {ex.Message}");
}
}
public override void ReadSchema(DataSet dbSchema)
{
try
{
string code = fileLink.ReadAllText();
Assembly assembly = Compile(fileLink.Name, code);
this.data = TypeExtension.CreateDataSet(assembly, type => type.IsClass);
var schema = new DbSchemaBuilder(dbSchema);
schema.AddSchema(data);
}
catch (Exception ex)
{
throw new Exception($"bad data source defined {fileLink}, {ex.Message}");
}
}
/// <summary>
/// Create table schema by rows in data table. It is used to create a table by DataTable
/// </summary>
/// <param name="dt"></param>
private void AddTableSchema(TableName tname, DataTable dt)
{
DataSet ds = dt.DataSet;
if (ds == null)
{
ds = new DataSet {
DataSetName = tname.DatabaseName.Name,
};
ds.Tables.Add(dt);
}
DbSchemaBuilder dbb = new DbSchemaBuilder();
dbb.AddSchema(ds);
Add(tname, dbb.DbSchmea.Tables[0]);
}
public override void ReadSchema(DataSet dbSchema)
{
try
{
fileLink.ReadXml(data);
var schema = new DbSchemaBuilder(dbSchema);
schema.AddSchema(data);
if (dbSchema.Tables.Count == 0)
{
throw new Exception($"error in creating schema: {fileLink}");
}
}
catch (Exception ex)
{
throw new Exception($"bad data source defined {fileLink}, {ex.Message}");
}
}