/// <summary>
/// Resource listener
/// </summary>
public MdmResourceHandler()
{
// Register the master
this.m_dataManager = MdmDataManagerFactory.GetDataManager <TModel>();
this.m_policyEnforcement = ApplicationServiceContext.Current.GetService <IPolicyEnforcementService>();
this.m_batchRepository = ApplicationServiceContext.Current.GetService <IDataPersistenceService <Bundle> >();
this.m_adhocCache = ApplicationServiceContext.Current.GetService <IAdhocCacheService>();
// Validate the match configuration exists
var matchConfigService = ApplicationServiceContext.Current.GetService <IRecordMatchingConfigurationService>();
this.m_notifyRepository = ApplicationServiceContext.Current.GetService <IRepositoryService <TModel> >() as INotifyRepositoryService <TModel>;
if (this.m_notifyRepository == null)
{
throw new InvalidOperationException($"Could not find repository service for {typeof(TModel)}");
}
this.m_classConceptKey = typeof(TModel).GetCustomAttributes <ClassConceptKeyAttribute>(false).Select(o => Guid.Parse(o.ClassConcept)).ToArray();
// Subscribe
this.m_notifyRepository.Inserting += this.OnPrePersistenceValidate;
this.m_notifyRepository.Saving += this.OnPrePersistenceValidate;
this.m_notifyRepository.Obsoleting += this.OnPrePersistenceValidate;
this.m_notifyRepository.Inserting += this.OnInserting;
this.m_notifyRepository.Saving += this.OnSaving;
this.m_notifyRepository.Obsoleting += this.OnObsoleting;
this.m_notifyRepository.Retrieved += this.OnRetrieved;
this.m_notifyRepository.Retrieving += this.OnRetrieving;
this.m_notifyRepository.Querying += this.OnQuerying;
// Bind down the repository services
// TODO: Determine if this level of interception is required - this only impacts when (for example) IRepositoryService<Patient>
// is bound to MDM and someone calls IRepositoryService<Person> - without it calls to the former will return MDM based resources
// whereas calls to the latter will return raw non-MDM resources (even if they are patients - they will be local, non-MDM patients).
var baseType = typeof(TModel).BaseType;
while (typeof(Entity).IsAssignableFrom(baseType) || typeof(Act).IsAssignableFrom(baseType))
{
var repoType = typeof(INotifyRepositoryService <>).MakeGenericType(baseType);
var repoInstance = ApplicationServiceContext.Current.GetService(repoType);
if (repoInstance == null)
{
break;
}
// Hand off reflection notifcation
var eventHandler = repoType.GetEvent("Queried");
var parmType = typeof(QueryResultEventArgs <>).MakeGenericType(baseType);
var parameter = Expression.Parameter(parmType);
var dataAccess = Expression.MakeMemberAccess(parameter, parmType.GetProperty("Results"));
var principalAccess = Expression.MakeMemberAccess(parameter, parmType.GetProperty("Principal"));
var methodInfo = this.GetType().GetGenericMethod(nameof(OnGenericQueried), new Type[] { baseType }, new Type[] { typeof(IEnumerable <>).MakeGenericType(baseType), typeof(IPrincipal) });
var lambdaMethod = typeof(Expression).GetGenericMethod(nameof(Expression.Lambda), new Type[] { eventHandler.EventHandlerType }, new Type[] { typeof(Expression), typeof(ParameterExpression[]) });
var lambdaAccess = lambdaMethod.Invoke(null, new object[] { Expression.Assign(dataAccess, Expression.Call(Expression.Constant(this), (MethodInfo)methodInfo, dataAccess, principalAccess)), new ParameterExpression[] { Expression.Parameter(typeof(Object)), parameter } }) as LambdaExpression;
eventHandler.AddEventHandler(repoInstance, lambdaAccess.Compile());
//var lamdaAccess = Expression.Lambda(Expression.Call(Expression.Constant(this), this.GetType().GetMethod(nameof(OnGenericQueried))), dataAccess), Expression.Parameter(typeof(Object)), parameter);
// Continue down base types
baseType = baseType.BaseType;
}
}
/// <summary>
/// Creates a new entity merger service
/// </summary>
public MdmEntityMerger(IDataPersistenceService <Bundle> batchService, IThreadPoolService threadPool, IPolicyEnforcementService policyEnforcement, IStoredQueryDataPersistenceService <TEntity> persistenceService, IFastQueryDataPersistenceService <EntityRelationship> relationshipPersistence)
{
this.m_dataManager = MdmDataManagerFactory.GetDataManager <TEntity>();
this.m_batchPersistence = batchService;
this.m_pepService = policyEnforcement;
this.m_entityPersistence = persistenceService;
this.m_relationshipPersistence = relationshipPersistence;
this.m_threadPool = threadPool;
if (this.m_relationshipPersistence is IReportProgressChanged irpc)
{
irpc.ProgressChanged += (o, e) => this.ProgressChanged?.Invoke(o, e); // pass through progress reports
}
}
