internal ContainerService ResolveCore(ServiceName name, bool createNew, IObjectAccessor arguments, ResolutionContext context) { var pushedContracts = context.Contracts.Push(name.Contracts); var declaredName = new ServiceName(name.Type, context.Contracts.Snapshot()); if (context.HasCycle(declaredName)) { var message = string.Format("cyclic dependency for service [{0}], stack\r\n{1}", declaredName.Type.FormatName(), context.FormatStack() + "\r\n\t" + declaredName); context.Contracts.RemoveLast(pushedContracts.pushedContractsCount); return(ContainerService.Error(declaredName, message)); } if (!pushedContracts.isOk) { const string messageFormat = "contract [{0}] already declared, stack\r\n{1}"; var message = string.Format(messageFormat, pushedContracts.duplicatedContractName, context.FormatStack() + "\r\n\t" + name); context.Contracts.RemoveLast(pushedContracts.pushedContractsCount); return(ContainerService.Error(name, message)); } context.ConstructingServices.Add(declaredName); ServiceConfiguration configuration = null; Exception configurationException = null; try { configuration = GetConfiguration(declaredName.Type, context); } catch (Exception e) { configurationException = e; } var actualName = configuration != null && configuration.FactoryDependsOnTarget && context.Stack.Count > 0 ? declaredName.AddContracts(context.TopBuilder.Type.FormatName()) : declaredName; ContainerServiceId id = null; if (!createNew) { id = instanceCache.GetOrAdd(actualName, createId); var acquireResult = id.AcquireInstantiateLock(); if (!acquireResult.acquired) { context.ConstructingServices.Remove(declaredName); context.Contracts.RemoveLast(pushedContracts.pushedContractsCount); return(acquireResult.alreadyConstructedService); } } var builder = new ContainerService.Builder(actualName); context.Stack.Add(builder); builder.Context = context; builder.DeclaredContracts = actualName.Contracts; if (configuration == null) { builder.SetError(configurationException); } else { builder.SetConfiguration(configuration); builder.ExpandedUnions = context.Contracts.TryExpandUnions(Configuration); if (builder.ExpandedUnions.HasValue) { var poppedContracts = context.Contracts.PopMany(builder.ExpandedUnions.Value.contracts.Length); foreach (var c in builder.ExpandedUnions.Value.contracts.CartesianProduct()) { var childService = ResolveCore(new ServiceName(name.Type, c), createNew, arguments, context); builder.LinkTo(containerContext, childService, null); if (builder.Status.IsBad()) { break; } } context.Contracts.PushNoCheck(poppedContracts); } else { builder.CreateNew = createNew; builder.Arguments = arguments; Instantiate(builder); } } context.ConstructingServices.Remove(declaredName); context.Contracts.RemoveLast(pushedContracts.pushedContractsCount); context.Stack.RemoveLast(); var result = builder.GetService(); if (id != null) { id.ReleaseInstantiateLock(builder.Context.AnalizeDependenciesOnly ? null : result); } return(result); }
internal ContainerService ResolveCore(ServiceName name, bool createNew, IObjectAccessor arguments, ResolutionContext context) { var pushedContracts = context.Contracts.Push(name.Contracts); var declaredName = new ServiceName(name.Type, context.Contracts.Snapshot()); if (context.HasCycle(declaredName)) { var message = string.Format("cyclic dependency for service [{0}], stack\r\n{1}", declaredName.Type.FormatName(), context.FormatStack() + "\r\n\t" + declaredName); context.Contracts.RemoveLast(pushedContracts.pushedContractsCount); return ContainerService.Error(declaredName, message); } if (!pushedContracts.isOk) { const string messageFormat = "contract [{0}] already declared, stack\r\n{1}"; var message = string.Format(messageFormat, pushedContracts.duplicatedContractName, context.FormatStack() + "\r\n\t" + name); context.Contracts.RemoveLast(pushedContracts.pushedContractsCount); return ContainerService.Error(name, message); } context.ConstructingServices.Add(declaredName); ServiceConfiguration configuration = null; Exception configurationException = null; try { configuration = GetConfiguration(declaredName.Type, context); } catch (Exception e) { configurationException = e; } var actualName = configuration != null && configuration.FactoryDependsOnTarget && context.Stack.Count > 0 ? declaredName.AddContracts(context.TopBuilder.Type.FormatName()) : declaredName; ContainerServiceId id = null; if (!createNew) { id = instanceCache.GetOrAdd(actualName, createId); var acquireResult = id.AcquireInstantiateLock(); if (!acquireResult.acquired) { context.ConstructingServices.Remove(declaredName); context.Contracts.RemoveLast(pushedContracts.pushedContractsCount); return acquireResult.alreadyConstructedService; } } var builder = new ContainerService.Builder(actualName); context.Stack.Add(builder); builder.Context = context; builder.DeclaredContracts = actualName.Contracts; if (configuration == null) builder.SetError(configurationException); else { builder.SetConfiguration(configuration); builder.ExpandedUnions = context.Contracts.TryExpandUnions(Configuration); if (builder.ExpandedUnions.HasValue) { var poppedContracts = context.Contracts.PopMany(builder.ExpandedUnions.Value.contracts.Length); foreach (var c in builder.ExpandedUnions.Value.contracts.CartesianProduct()) { var childService = ResolveCore(new ServiceName(name.Type, c), createNew, arguments, context); builder.LinkTo(containerContext, childService, null); if (builder.Status.IsBad()) break; } context.Contracts.PushNoCheck(poppedContracts); } else { builder.CreateNew = createNew; builder.Arguments = arguments; Instantiate(builder); } } context.ConstructingServices.Remove(declaredName); context.Contracts.RemoveLast(pushedContracts.pushedContractsCount); context.Stack.RemoveLast(); var result = builder.GetService(); if (id != null) id.ReleaseInstantiateLock(builder.Context.AnalizeDependenciesOnly ? null : result); return result; }