public void SetDataSource <T>(IList <T> list)
{
IDataTableAdapter <T> adapter = DataTableAdapterFactory.Singleton.New <T>(DataTableConfig.PropertyColumns);
_dataTable = adapter.Get(list);
this.RaiseDataSourceChangedEvent(global::System.EventArgs.Empty);
}
public DataTableObjectBuilder(IDataTableAdapter dataTableAdapter)
{
if (dataTableAdapter == null)
{
throw new ArgumentNullException(nameof(dataTableAdapter));
}
_dataTableAdapter = dataTableAdapter;
}
public IDataTableAdapter <T> New <T>(IEnumerable <PropertyColumn> columns)
{
string adapterTypeName = GetTypeName(typeof(T), columns);
if (_generatedAdapters.ContainsKey(adapterTypeName))
{
return((IDataTableAdapter <T>)_generatedAdapters[adapterTypeName]);
}
else
{
Type type = BuildAdapter(typeof(T), adapterTypeName, columns);
IDataTableAdapter <T> adapter = (IDataTableAdapter <T>)Activator.CreateInstance(type);
_generatedAdapters.Add(adapterTypeName, adapter);
return(adapter);
}
}
public void TestCreateAdapter()
{
DataTableAdapterFactory factory = new DataTableAdapterFactory();
PropertyColumn[] columns = new PropertyColumn[]
{
new PropertyColumn("Class1.Field", "Field"),
new PropertyColumn("Class1.Property", "Property"),
new PropertyColumn("Time", "Time")
};
IDataTableAdapter <TestClass2> adapter = factory.New <TestClass2>(columns);
List <TestClass2> list = new List <TestClass2>();
for (int i = 0; i < 10000; i++)
{
list.Add(new TestClass2(new TestClass1(4, "4")));
list.Add(new TestClass2(new TestClass1(40, "40")));
list.Add(new TestClass2(new TestClass1(12, "12")));
list.Add(new TestClass2());
}
DataTable dt = adapter.Get(list);
Assert.IsNotNull(dt);
Assert.AreEqual(list.Count, dt.Rows.Count);
Assert.AreEqual(4, dt.Columns.Count);
Assert.AreEqual(list[0].Class1.Property, dt.Rows[0]["Property"]);
Assert.AreEqual(list[0].Class1.Field, dt.Rows[0]["Field"]);
Assert.AreEqual(list[0].Time, dt.Rows[0]["Time"]);
Assert.AreSame(list[0], dt.Rows[0]["DataItem"]);
IDataTableAdapter <TestClass2> adapter2 = factory.New <TestClass2>(columns);
Assert.AreSame(adapter, adapter2);
PropertyColumn[] columns2 = new PropertyColumn[]
{
new PropertyColumn("Class1.Field", "Field")
};
IDataTableAdapter <TestClass2> adapter3 = factory.New <TestClass2>(columns2);
Assert.AreNotSame(adapter, adapter3);
}
