public static void RegisterTargetMemberDataSources(
this IMemberMapperData memberMapperData,
IDataSourceSet dataSources)
{
memberMapperData.Parent
.MergeTargetMemberDataSources(memberMapperData.TargetMember, dataSources);
}
public static IMemberPopulator WithRegistration(IDataSourceSet dataSources, Expression populateCondition)
{
var memberPopulation = WithoutRegistration(dataSources, populateCondition);
memberPopulation.MapperData.RegisterTargetMemberDataSourcesIfRequired(dataSources);
return(memberPopulation);
}
public MemberPopulator(
IDataSourceSet dataSources,
IMemberMapperData mapperData,
Expression populateCondition = null)
{
_dataSources = dataSources;
MapperData = mapperData;
PopulateCondition = populateCondition;
}
public static void MergeTargetMemberDataSources(
this ObjectMapperData mapperData,
QualifiedMember targetMember,
IDataSourceSet dataSources)
{
var dataSourcesByTargetMember = mapperData.DataSourcesByTargetMember;
if (dataSourcesByTargetMember.TryGetValue(targetMember, out var registeredDataSources) &&
registeredDataSources.HasValue)
{
return;
}
dataSourcesByTargetMember[targetMember] = dataSources;
}
private static Expression BuildConditions(IDataSourceSet dataSources)
{
var conditions = default(Expression);
foreach (var dataSource in dataSources.Filter(ds => ds.IsConditional))
{
if (conditions == null)
{
conditions = dataSource.Condition;
continue;
}
conditions = Expression.OrElse(conditions, dataSource.Condition);
}
return(conditions);
}
protected ConstructionDataInfo(
TInvokable invokable,
ConstructionKey key,
int priority)
{
var parameters = invokable.GetParameters();
Priority = priority;
ParameterCount = parameters.Length;
_argumentTargetMembers = new QualifiedMember[ParameterCount];
ArgumentDataSources = new IDataSourceSet[ParameterCount];
CanBeInvoked = IsUnconditional = true;
var mappingData = key.MappingData;
var mapperData = mappingData.MapperData;
for (var i = 0; i < ParameterCount; ++i)
{
var argumentMember = Member.ConstructorParameter(parameters[i]);
var targetMember = _argumentTargetMembers[i] =
mapperData.TargetMember.Append(argumentMember);
var argumentMapperData = new ChildMemberMapperData(targetMember, mapperData);
var argumentMappingData = mappingData.GetChildMappingData(argumentMapperData);
var dataSources = ArgumentDataSources[i] = MemberDataSourceSetFactory
.CreateFor(new DataSourceFindContext(argumentMappingData));
if (CanBeInvoked && !dataSources.HasValue)
{
CanBeInvoked = false;
}
if (IsUnconditional && dataSources.IsConditional && argumentMember.IsComplex)
{
IsUnconditional = false;
}
}
}
private static Expression BuildConditions(IDataSourceSet dataSources)
{
var conditions = default(Expression);
for (var i = 0; i < dataSources.Count; ++i)
{
var dataSource = dataSources[i];
if (!dataSource.IsConditional)
{
continue;
}
if (conditions == null)
{
conditions = dataSource.Condition;
continue;
}
conditions = Expression.OrElse(conditions, dataSource.Condition);
}
return(conditions);
}
public static void RegisterTargetMemberDataSourcesIfRequired(
this IMemberMapperData mapperData,
IDataSourceSet dataSources)
{
mapperData.Parent.DataSourcesByTargetMember.Add(mapperData.TargetMember, dataSources);
}
public static IMemberPopulator WithoutRegistration(IDataSourceSet dataSources, Expression populateCondition = null) => new MemberPopulator(dataSources, populateCondition);
private MemberPopulator(IDataSourceSet dataSources, Expression populateCondition = null)
{
_dataSources = dataSources;
PopulateCondition = populateCondition;
}
