public override object GetInstance(InjectionCore injectionCore, ProviderContext context)
{
if (this.singletonInstance == null)
{
this.singletonInstance = base.GetInstance(injectionCore, context);
}
return(this.singletonInstance);
}
public override ISet <T> GetInstance <T>(InjectionCore injectionCore, ProviderContext context)
{
HashSet <T> instanceList = new HashSet <T>();
foreach (InjectionProvider provider in this.providerList)
{
instanceList.Add((T)provider.GetInstance(injectionCore, context));
}
return(instanceList);
}
public virtual object GetInstance(InjectionCore injectionCore, ProviderContext context)
{
if (context == null)
{
context = new ProviderContext();
}
ParameterInfo[] parameterInfoList = this.providerMethod.GetParameters();
var parameters = new object[parameterInfoList.Length];
for (int i = 0; i < parameterInfoList.Length; i++)
{
NamedAttribute namedAttribute = parameterInfoList[i].GetCustomAttribute <NamedAttribute>();
if (namedAttribute == null)
{
if (context.TypedDependencies.Contains(parameterInfoList[i].ParameterType))
{
throw new InvalidOperationException(
$"Dependency loop detected when providing dependency type {parameterInfoList[i].ParameterType.Name}.");
}
context.TypedDependencies.Add(parameterInfoList[i].ParameterType);
parameters[i] = injectionCore.Get(parameterInfoList[i].ParameterType, context);
context.TypedDependencies.Remove(parameterInfoList[i].ParameterType);
}
else
{
if (context.NamedDependencies.Contains(namedAttribute.Name))
{
throw new InvalidOperationException(
$"Dependency loop detected when providing named dependency '{namedAttribute.Name}'.");
}
context.NamedDependencies.Add(namedAttribute.Name);
parameters[i] = injectionCore.Get(namedAttribute.Name, context);
context.NamedDependencies.Remove(namedAttribute.Name);
}
}
ConstructorInfo constructor = this.providerMethod as ConstructorInfo;
return(constructor != null
? constructor.Invoke(parameters)
: this.providerMethod.Invoke(null, parameters));
}