public void Init()
{
services.AddSingleton(dbContext);
services.AddSingleton(logger);
services.AddSingleton(loggerFactory);
services.AddSingleton <IUnitOfWork, UnitOfWork>();
services.AddSingleton <IEngineRepository, EngineRepository>();
services.AddSingleton <IMessageRepository, MessageRepository>();
services.AddSingleton <IMessageService, MessageService>();
services.AddSingleton <ISqlValidationService, SqlValidationService>();
services.AddSingleton(loggerFactory.CreateLogger <StorageService>());
services.AddSingleton <IStorageService, StorageService>();
services.AddSingleton(Configuration);
services.AddSingleton(loggerFactory.CreateLogger <EngineJob>());
services.AddSingleton(loggerFactory.CreateLogger <EngineTask>());
services.AddSingleton(loggerFactory.CreateLogger <EngineElement>());
services.AddSingleton <IEngine, Engine>();
services.AddTransient <IEngineJob, EngineJob>();
services.AddTransient <IEngineTask, EngineTask>();
services.AddTransient <EngineLink>();
// Register all extensions elements and modules types
var engineModuleTypes = AssembliesExtensions.GetTypesImplementingInterface <IEngineModule>(new string[] { Configuration.ExtensionsFolder }, false);
foreach (var engineModule in engineModuleTypes)
{
engineModule.GetMethod("RegisterModule").Invoke(null, new object[] { services });
}
// build the service providere used in Engine
serviceProvider = services.BuildServiceProvider();
}
private IEnumerable <IModuleType> GetModuleTypes()
{
return(AssembliesExtensions.GetTypesImplementingInterface <IEngineModule>(new string[] { configuration.ExtensionsFolder }, true)
.Select(ed => new ModuleTypeViewModel
{
Key = (string)ed.GetProperty("KeyConst")?.GetValue(ed),
Name = (string)ed.GetProperty("Name")?.GetValue(ed),
Description = (string)ed.GetProperty("Description")?.GetValue(ed)
}));
}
private static IEngineData GetPopertyDataValue(IElementPropertyEntry inputProperty)
{
var engineDataType = AssembliesExtensions.GetTypesImplementingInterface <IEngineData>() //current loaded asemblies
.FirstOrDefault(ed => (DataType)ed.GetProperty("DataTypeConst").GetValue(ed) == inputProperty.DataType);
var engineDataValue = (IEngineData)Activator.CreateInstance(engineDataType);
engineDataValue.ReadFromStringValue(inputProperty.Value);
return(engineDataValue);
}
public void SetDataValueIfEmpty(EngineDataDirection direction, string propertyKey, DataType dataType, string persistingValue)
{
var engineDataType = AssembliesExtensions.GetTypesImplementingInterface <IEngineData>()
.FirstOrDefault(ed => (DataType)ed.GetProperty("DataTypeConst").GetValue(ed) == dataType);
var engineDataValue = (IEngineData)Activator.CreateInstance(engineDataType);
engineDataValue.ReadFromStringValue(persistingValue);
SetDataValueIfEmpty(direction, propertyKey, engineDataValue);
}
public IEngineModule GetEngineModule(string moduleTypeKey)
{
var engineModuleType = AssembliesExtensions.GetTypesImplementingInterface <IEngineModule>(new string[] { configuration.ExtensionsFolder }, true)
.FirstOrDefault(ed => (string)ed.GetProperty("KeyConst")?.GetValue(ed) == moduleTypeKey);
// Check if the element type exists
if (engineModuleType == null)
{
throw new EngineException(logger, "Error. The module type not exists.");
}
// Load the engine element using engine service provider
var engineModule = (IEngineModule)engine.ServiceProvider.GetService(engineModuleType);
return(engineModule);
}
public IElementType GetEngineElementType(string elementKey)
{
var result = new ElementTypeViewModel();
var engineElementType = AssembliesExtensions.GetTypesImplementingInterface <IEngineElement>(new string[] { Configuration.ExtensionsFolder }, true)
.FirstOrDefault(ed => (string)ed.GetProperty("KeyConst")?.GetValue(ed) == elementKey);
if (engineElementType == null)
{
// we cant find a valid element implementation
throw new EngineException(logger, $"Cannot find a valid implementation for the element with key: '{elementKey}'.");
}
result.Key = elementKey;
result.Name = (string)engineElementType.GetProperty("Name")?.GetValue(engineElementType);
result.Description = (string)engineElementType.GetProperty("Description")?.GetValue(engineElementType);
return(result);
}
/// <summary>
/// Registers the output properties.
/// </summary>
/// <param name="key">The key.</param>
/// <param name="description">The description.</param>
/// <param name="dataType">Type of the data.</param>
/// <param name="mandatory"></param>
/// <exception cref="EngineException">Invalid property fields provided.
/// or
/// Cannot add property for this element. The property with key {key} still exists.</exception>
public void RegisterOutputProperties(string key, string description, DataType dataType, bool mandatory = false)
{
if (key.IsNullOrWhiteSpace())
{
throw new EngineException(logger, $"Invalid property fields provided.");
}
if (outputProperties.Any(p => p.Key == key))
{
throw new EngineException(logger, $"Cannot add property for this element. The property with key {key} still exists.");
}
outputProperties.Add(new ElementProperty(key, description, dataType, mandatory));
// Init default value
var engineDataType = AssembliesExtensions.GetTypesImplementingInterface <IEngineData>()
.FirstOrDefault(ed => (DataType)ed.GetProperty("DataTypeConst").GetValue(ed) == dataType);
SetDataValue(EngineDataDirection.Output, key, (IEngineData)Activator.CreateInstance(engineDataType));
}
public IEngineElement GetEngineElement(string elementKey)
{
var engineElementType = AssembliesExtensions.GetTypesImplementingInterface <IEngineElement>(new string[] { Configuration.ExtensionsFolder }, true)
.FirstOrDefault(ed => (string)ed.GetProperty("KeyConst")?.GetValue(ed) == elementKey);
if (engineElementType == null)
{
// we cant find a valid element implementation
throw new EngineException(logger, $"Cannot find a valid implementation for the element with key: '{elementKey}'.");
}
// create new instance of Engine Element
var engineElement = (IEngineElement)serviceProvider.GetService(engineElementType);
if (engineElement == null)
{
// we cant find a valid module implementation
throw new EngineException(logger, $"Cannot find a registered instance for the element with key: '{elementKey}'.");
}
return(engineElement);
}
