public DynamicCsvRowActivatorBuilder(IConverterProvider converterProvider, IColumnNameMapper columnNameMapper)
{
if (converterProvider == null)
{
throw new ArgumentNullException("converterProvider");
}
if (columnNameMapper == null)
{
throw new ArgumentNullException("columnNameMapper");
}
this.converterProvider = converterProvider;
this.columnNameMapper = columnNameMapper;
}
public ICsvRowActivatorFactory <T> Create(IConverterProvider converterProvider, IColumnNameMapper columnNameMapper)
{
CachingKey key = new CachingKey(converterProvider, columnNameMapper);
if (!cache.Keys.Contains(key))
{
var newFactory = factoryFactory.Create(converterProvider, columnNameMapper);
cache.Add(key, newFactory);
return(newFactory);
}
else
{
return(cache[key]);
}
}
public ICsvRowActivatorFactory <T> Create(IConverterProvider converterProvider, IColumnNameMapper columnNameMapper)
{
// Create assembly/module
bool saveDll = false;
AssemblyName assemblyName = new AssemblyName("DynamicCsvRowActivator");
AssemblyBuilder assemblyBuilder = BuildAssembly(assemblyName, new Version(1, 0, 0, 0), saveDll);
ModuleBuilder moduleBuilder = BuildModule(assemblyBuilder, assemblyName, saveDll);
// Create activator type
DynamicCsvRowActivatorBuilder <T> activatorBuilder
= new DynamicCsvRowActivatorBuilder <T>(converterProvider, columnNameMapper);
TypeBuilder activatorTypeBuilder = activatorBuilder.Build(assemblyBuilder, moduleBuilder);
Type activatorType = activatorTypeBuilder.CreateType();
ConstructorInfo activatorConstructor = activatorType.GetConstructor(new Type[] { typeof(string[]) });
// Create factory type
DynamicCsvRowActivatorFactoryBuilder <T> factoryBuilder
= new DynamicCsvRowActivatorFactoryBuilder <T>();
TypeBuilder typeBuilder = factoryBuilder.Build(assemblyBuilder, moduleBuilder, activatorConstructor);
Type factoryType = typeBuilder.CreateType();
ConstructorInfo factoryConstructor = factoryType.GetConstructor(Type.EmptyTypes);
// Save the dll
if (saveDll)
{
assemblyBuilder.Save("DynamicCsvRowActivator.dll");
}
// Create an instance of a factory
ICsvRowActivatorFactory <T> factory = (ICsvRowActivatorFactory <T>)factoryConstructor.Invoke(new object[] { });
return(factory);
}
public CachingKey(IConverterProvider converterProvider, IColumnNameMapper columnNameMapper)
{
this.ConverterProvider = converterProvider;
this.ColumnNameMapper = columnNameMapper;
}
