/// <summary>Sets transformation configuration that will be used for the transformation flow.</summary>
/// <param name="configuration">Transformation configuration.</param>
public TransformationBuilder<TSource, TDestination> WithConfiguration(TransformationConfiguration configuration)
{
ArgGuard.NotNull(configuration, nameof(configuration));
Configuration = configuration;
return this;
}
public void NotNull_PassedArgumentIsNull_ExceptionThrown()
{
var thrownException = Assert.Throws <ArgumentNullException>(() => ArgGuard.NotNull(null, "arg2"));
Assert.IsNotNull(thrownException);
Assert.AreEqual("arg2".GetArgumentNullExceptionMessage(), thrownException.Message);
}
/// <summary>Add the transformation step to the transformation chain.</summary>
public TransformationBuilder<TSource, TDestination> Apply(AbstractTransformation<TSource, TDestination> transformation)
{
ArgGuard.NotNull(transformation, nameof(transformation));
Transformations.Add(transformation);
return this;
}
/// <summary>Executes the specified action on the transformation.</summary>
/// <param name="action">An action to execute.</param>
public TransformationBuilder<TSource, TDestination> Do(Func<TSource, TDestination, TransformationContext, TDestination> action)
{
ArgGuard.NotNull(action, nameof(action));
Transformations.Add(new ActionTransformer<TSource, TDestination>(action));
return this;
}
/// <summary>Add the specified isolated transformation step to the transformation chain if the specified condition returns true.</summary>
/// <param name="condition">The condition function that defines whether to apply the specified transformation. It's evaluated in run-time when the
/// transformation is going.</param>
/// <param name="transformation">The transformation to apply.</param>
public TransformationBuilder<TSource, TDestination> IfApplyIsolated(Func<TSource, TDestination, TransformationContext, bool> condition,
AbstractTransformation<TSource, TDestination> transformation)
{
ArgGuard.NotNull(condition, nameof(condition));
ArgGuard.NotNull(transformation, nameof(transformation));
Transformations.Add(new ConditionalTransformer<TSource, TDestination>(condition, transformation.Transform, true));
return this;
}
/// <summary>Add the isolated transformation step to the transformation chain.</summary>
public TransformationBuilder<TSource, TDestination> ApplyIsolated(AbstractTransformation<TSource, TDestination> transformation, bool? keepInitialDestination = null)
{
ArgGuard.NotNull(transformation, nameof(transformation));
transformation.IsIsolatedResult = true;
transformation.KeepInitialDestination = keepInitialDestination ?? !Configuration.IsolateInitialDestination;
Transformations.Add(transformation);
return this;
}
/// <summary>Applies the transformation <paramref name="action"/> only when <paramref name="condition"/> returns true.</summary>
/// <param name="condition">The condition to evaluate.</param>
/// <param name="action">The action to execute when condition is true.</param>
public TransformationBuilder<TSource, TDestination> IfDo(Func<TSource, TDestination, TransformationContext, bool> condition,
Func<TSource, TDestination, TransformationContext, TDestination> action)
{
ArgGuard.NotNull(condition, nameof(condition));
ArgGuard.NotNull(action, nameof(action));
Transformations.Add(new ConditionalTransformer<TSource, TDestination>(condition, action));
return this;
}
public Paging(int itemCount, int pageSize, int?currentPage = null)
{
ArgGuard.MakeSure(itemCount >= 0, nameof(itemCount));
ArgGuard.MakeSure(pageSize >= 1, nameof(pageSize));
var(totalPages, actualCurrentPage) = NormalizePaging(itemCount, pageSize, currentPage);
this.ItemCount = itemCount;
this.PageSize = pageSize;
this.TotalPages = totalPages;
this.CurrentPage = actualCurrentPage;
}
public SubStream(Stream baseStream, long offset, long length)
{
ArgGuard.ThrowIfNull(baseStream, nameof(baseStream));
ArgGuard.ThrowIfFalse(baseStream.CanRead, nameof(baseStream));
ArgGuard.ThrowIfFalse(baseStream.CanSeek, nameof(baseStream));
ArgGuard.ThrowIfFalse(offset >= 0, nameof(offset));
_baseStream = baseStream;
_position = 0;
_offset = offset;
_length = length;
baseStream.Seek(offset, SeekOrigin.Current);
}
public void NotNull_PassedArgumentIsNotNull_NoExceptionThrown()
{
Exception thrownException = null;
try
{
ArgGuard.NotNull("sdf", "arg1");
}
catch (Exception exc)
{
thrownException = exc;
}
Assert.IsNull(thrownException);
}