public object Execute(Expression expression)
{
TranslateResult result = this.Translate(expression);
if (result.SQLCommand != null)
{
this.misession.Do(result.SQLCommand);
}
Type elementType = TypeSystem.GetElementType(expression.Type);
IMapInfoDataReader reader = this.readerfactory.GetReaderFor(result.TableName);
ITable table = this.misession.Tables.GetTable(result.TableName);
EntityMaterializer materializer = this.entityfactory.CreateMaterializerFor(table, reader);
if (result.Projector != null)
{
Delegate projector = result.Projector.Compile();
return(Activator.CreateInstance(typeof(ProjectionReader <>).MakeGenericType(elementType),
new object[] { reader, projector }));
}
return(Activator.CreateInstance(typeof(RowList <>).MakeGenericType(elementType),
new object[] { reader, materializer }));
}
public RowList(IMapInfoDataReader reader, EntityMaterializer factory)
{
this.reader = reader;
this.entityfactory = factory;
}
public EntityMaterializer CreateMaterializerFor(ITable table, IMapInfoDataReader reader)
{
return(new EntityMaterializer(this.misession, table, reader));
}
internal Enumerator(IMapInfoDataReader reader, Func <IMapInfoDataReader, T> projector)
{
this.reader = reader;
this.projector = projector;
}
public ProjectionReader(IMapInfoDataReader reader, Func <IMapInfoDataReader, T> projector)
{
this.enumerator = new Enumerator(reader, projector);
}
public EntityMaterializer(MapInfoSession miSession, ITable table, IMapInfoDataReader mapInfoDataReader)
{
this.MapifoSession = miSession;
this.datareader = mapInfoDataReader;
this.Table = table;
}
public RowEnumerator(IMapInfoDataReader recordSelector, EntityMaterializer entityFactory)
{
this.datareader = recordSelector;
this.entityfactory = entityFactory;
}
