private IEnumerable <CompositionDependency> GetPartActivatorDependencies(DependencyAccessor definitionAccessor)
{
var partTypeAsType = _partType.AsType();
if (_constructor == null)
{
foreach (var c in _partType.DeclaredConstructors.Where(ci => ci.IsPublic && !(ci.IsStatic)))
{
if (_attributeContext.GetDeclaredAttribute <ImportingConstructorAttribute>(partTypeAsType, c) != null)
{
if (_constructor != null)
{
string message = SR.Format(SR.DiscoveredPart_MultipleImportingConstructorsFound, _partType);
throw new CompositionFailedException(message);
}
_constructor = c;
}
}
if (_constructor == null && _partType.IsGenericType)
{
_constructor = GetConstructorInfoFromGenericType(_partType);
}
if (_constructor == null)
{
_constructor = _partType.DeclaredConstructors
.FirstOrDefault(ci => ci.IsPublic && !(ci.IsStatic || ci.GetParameters().Any()));
}
if (_constructor == null)
{
string message = SR.Format(SR.DiscoveredPart_NoImportingConstructorsFound, _partType);
throw new CompositionFailedException(message);
}
}
var cps = _constructor.GetParameters();
for (var i = 0; i < cps.Length; ++i)
{
var pi = cps[i];
var site = new ParameterImportSite(pi);
var importInfo = ContractHelpers.GetImportInfo(pi.ParameterType, _attributeContext.GetDeclaredAttributes(partTypeAsType, pi), site);
if (!importInfo.AllowDefault)
{
yield return(definitionAccessor.ResolveRequiredDependency(site, importInfo.Contract, true));
}
else
{
CompositionDependency optional;
if (definitionAccessor.TryResolveOptionalDependency(site, importInfo.Contract, true, out optional))
{
yield return(optional);
}
}
}
}
private IEnumerable<CompositionDependency> GetPartActivatorDependencies(DependencyAccessor definitionAccessor)
{
var partTypeAsType = _partType.AsType();
if (_constructor == null)
{
foreach (var c in _partType.DeclaredConstructors.Where(ci => ci.IsPublic && !(ci.IsStatic)))
{
if (_attributeContext.GetDeclaredAttribute<ImportingConstructorAttribute>(partTypeAsType, c) != null)
{
if (_constructor != null)
{
var message = string.Format(Properties.Resources.DiscoveredPart_MultipleImportingConstructorsFound, _partType);
throw new CompositionFailedException(message);
}
_constructor = c;
}
}
if (_constructor == null)
_constructor = _partType.DeclaredConstructors
.FirstOrDefault(ci => ci.IsPublic && !(ci.IsStatic || ci.GetParameters().Any()));
if (_constructor == null)
{
var message = string.Format(Properties.Resources.DiscoveredPart_NoImportingConstructorsFound, _partType);
throw new CompositionFailedException(message);
}
}
var cps = _constructor.GetParameters();
for (var i = 0; i < cps.Length; ++i)
{
var pi = cps[i];
var site = new ParameterImportSite(pi);
var importInfo = ContractHelpers.GetImportInfo(pi.ParameterType, _attributeContext.GetDeclaredAttributes(partTypeAsType, pi), site);
if (!importInfo.AllowDefault)
{
yield return definitionAccessor.ResolveRequiredDependency(site, importInfo.Contract, true);
}
else
{
CompositionDependency optional;
if (definitionAccessor.TryResolveOptionalDependency(site, importInfo.Contract, true, out optional))
yield return optional;
}
}
}
