/// <summary>
/// Gets a file engine.
/// </summary>
/// <param name="engineFactory">The engine factory.</param>
/// <param name="recordTypes">The record types.</param>
/// <param name="typeSelectorFunc">The type selector function.</param>
/// <param name="handleEntryReadError">The error handler.</param>
/// <param name="masterDetailStrategy">Determines how master-detail record relationships are handled.</param>
/// <returns>IFlatFileMultiEngine.</returns>
public static IFlatFileMultiEngine GetEngine(
this DelimitedFileEngineFactory engineFactory,
IEnumerable <Type> recordTypes,
Func <string, int, Type> typeSelectorFunc,
FileReadErrorHandler handleEntryReadError = null,
IMasterDetailStrategy masterDetailStrategy = null)
{
var descriptorProvider = new DelimitedLayoutDescriptorProvider();
var descriptors = recordTypes.Select(type => descriptorProvider.GetDescriptor(type)).ToList();
return(engineFactory.GetEngine(descriptors, typeSelectorFunc, handleEntryReadError, masterDetailStrategy));
}
/// <summary>
/// Gets the <see cref="IFlatFileMultiEngine"/>.
/// </summary>
/// <param name="layoutDescriptors">The layout descriptors.</param>
/// <param name="typeSelectorFunc">The type selector function.</param>
/// <param name="handleEntryReadError">The handle entry read error func.</param>
/// <param name="masterDetailStrategy">Determines how master-detail record relationships are handled.</param>
/// <returns>IFlatFileMultiEngine.</returns>
public IFlatFileMultiEngine GetEngine(
IEnumerable <IFixedLengthLayoutDescriptor> layoutDescriptors,
Func <string, int, Type> typeSelectorFunc,
FileReadErrorHandler handleEntryReadError = null,
IMasterDetailStrategy masterDetailStrategy = null)
{
return(new FixedLengthFileMultiEngine(
layoutDescriptors,
typeSelectorFunc,
new FixedLengthLineBuilderFactory(),
lineParserFactory,
masterDetailStrategy ?? new DefaultFixedLengthMasterDetailStrategy(),
handleEntryReadError));
}
/// <summary>
/// Initializes a new instance of the <see cref="FixedLengthFileMultiEngine"/> class.
/// </summary>
/// <param name="layoutDescriptors">The layout descriptors.</param>
/// <param name="typeSelector">The type selector function.</param>
/// <param name="lineBuilderFactory">The line builder factory.</param>
/// <param name="lineParserFactory">The line parser factory.</param>
/// <param name="masterDetailStrategy">Determines how master-detail record relationships are handled.</param>
/// <param name="handleEntryReadError">The handle entry read error.</param>
/// <exception cref="System.ArgumentNullException">typeSelectorFunc</exception>
internal FixedLengthFileMultiEngine(
IEnumerable <IFixedLengthLayoutDescriptor> layoutDescriptors,
Func <string, int, Type> typeSelector,
IFixedLengthLineBuilderFactory lineBuilderFactory,
IFixedLengthLineParserFactory lineParserFactory,
IMasterDetailStrategy masterDetailStrategy,
FileReadErrorHandler?handleEntryReadError = null)
: base(layoutDescriptors, handleEntryReadError)
{
_layoutDescriptors = layoutDescriptors.Select(ld => new FixedLengthImmutableLayoutDescriptor(ld))
.Cast <IFixedLengthLayoutDescriptor>()
.ToDictionary(ld => ld.TargetType, ld => ld);
_typeSelector = typeSelector ?? throw new ArgumentNullException(nameof(typeSelector));
_lineBuilderFactory = lineBuilderFactory ?? throw new ArgumentNullException(nameof(lineBuilderFactory));
_lineParserFactory = lineParserFactory ?? throw new ArgumentNullException(nameof(lineParserFactory));
_masterDetailStrategy = masterDetailStrategy ?? throw new ArgumentNullException(nameof(masterDetailStrategy));
}
