/// <inheritdoc/>
ITransformationMap <TCollection, TElement> ITransformationMap <TCollection, TElement> .Link(
string relation,
Func <TCollection, ILinkData?> selector)
{
Links[relation] = new LinkInstruction <TCollection>(selector);
return(this);
}
/// <inheritdoc/>
ITransformationMap <T> ITransformationMap <T> .Embed <TMember>(
string relation,
Expression <Func <T, TMember> > memberSelector,
Func <T, TMember, ILinkData> linkSelector)
{
if (memberSelector is null)
{
throw new ArgumentNullException(nameof(memberSelector));
}
if (relation is null)
{
throw new ArgumentNullException(nameof(relation));
}
if (linkSelector is null)
{
throw new ArgumentNullException(nameof(linkSelector));
}
switch (memberSelector.Body)
{ // todo(cosborn) Allow indexing, in the case of collections and dictionaries?
case MemberExpression me:
var valueSelector = memberSelector.Compile();
Links[relation] = new LinkInstruction <T>(t => linkSelector(t, valueSelector(t)));
Embeds.Add(new MemberEmbedInstruction <T, TMember>(relation, me.Member.Name, valueSelector));
return(this);
default:
throw new ArgumentException(MalformedValueSelector);
}
}
/// <inheritdoc/>
ITransformationMap <T> ITransformationMap <T> .Embed <TMember>(
string relation,
Expression <Func <T, TMember> > memberSelector,
Func <T, ILinkData> linkSelector)
{
if (memberSelector is null)
{
throw new ArgumentNullException(nameof(memberSelector));
}
if (relation is null)
{
throw new ArgumentNullException(nameof(relation));
}
if (linkSelector is null)
{
throw new ArgumentNullException(nameof(linkSelector));
}
switch (memberSelector.Body)
{
case MemberExpression me:
var valueSelector = memberSelector.Compile();
Links[relation] = new LinkInstruction <T>(linkSelector);
Embeds.Add(new MemberEmbedInstruction <T, TMember>(relation, me.Member.Name, valueSelector));
return(this);
default:
throw new ArgumentException(MalformedValueSelector);
}
}
/// <summary>Initializes a new instance of the <see cref="Builder{T}"/> class.</summary>
/// <param name="self">
/// A function that creates an <see cref="ILinkData"/>
/// from a value of type <typeparamref name="T"/>.
/// </param>
/// <exception cref="ArgumentNullException"><paramref name="self"/> is <see langword="null"/>.</exception>
public Builder([NotNull] Func <T, ILinkData> self)
{
if (self is null)
{
throw new ArgumentNullException(nameof(self));
}
Links[Self] = new LinkInstruction <T>(self);
}
/* todo(cosborn)
* Should expressions allow indexing, in the case of collections and dictionaries?
*/
#region Link
/// <inheritdoc/>
ITransformationMap <T> ITransformationMap <T> .Link(
string relation,
Func <T, ILinkData> selector)
{
if (relation is null)
{
throw new ArgumentNullException(nameof(relation));
}
if (selector is null)
{
throw new ArgumentNullException(nameof(selector));
}
Links[relation] = new LinkInstruction <T>(selector);
return(this);
}
/// <inheritdoc/>
ITransformationMap <TCollection, TElement> ITransformationMap <TCollection, TElement> .Embed <TMember>(
string relation,
Expression <Func <TCollection, TMember> > memberSelector,
Func <TCollection, ILinkData?> linkSelector)
{
switch (memberSelector.Body)
{
case MemberExpression me:
var valueSelector = memberSelector.Compile();
Links[relation] = new LinkInstruction <TCollection>(linkSelector);
Embeds.Add(new MemberEmbedInstruction <TCollection, TMember>(relation, me.Member.Name, valueSelector));
return(this);
default:
throw new ArgumentException(MalformedValueSelector);
}
}
/// <summary>Initializes a new instance of the <see cref="Builder{T}"/> class.</summary>
/// <param name="self">
/// A function that creates an <see cref="ILinkData"/>
/// from a value of type <typeparamref name="T"/>.
/// </param>
public Builder(Func <T, ILinkData?> self)
{
Links[Self] = new LinkInstruction <T>(self);
}