public DependencyProvider(DependencyConfiguration dependencyConfiguration)
{
if (ValidateConfigurationOrThrowException(dependencyConfiguration))
{
_dependencyConfiguration = dependencyConfiguration;
_singletonCache = new Dictionary <Type, object>();
}
}
///<summary>
/// Throws exception when regestered implementation does nor inherit from corresponding abstraction
/// </summary>
private bool ValidateConfigurationOrThrowException(DependencyConfiguration configuration)
{
foreach (var dc in configuration.Configurations)
{
var abstractionType = dc.Key;
foreach (var implementationTypeDef in dc.Value)
{
if (!(((abstractionType.IsClass) || (abstractionType.IsInterface)) &&
((implementationTypeDef.Type.BaseType == abstractionType) ||
(implementationTypeDef.Type.GetInterface(abstractionType.Name) != null) ||
(implementationTypeDef.Type == abstractionType)
)
))
{
throw new IneligibleImplementationException
(String.Format("Type {0} is ineligble implementation for type {1}.", implementationTypeDef.Type.Name, abstractionType.Name));
}
}
}
return(true);
}
