public INamedReference GenerateFactoryMethod(
IServiceSetupRecord setup,
Dictionary <string, INamedReference> ctorParamValueFactoryFields,
INamedReference valueFactoryField,
IClassBuilder locatorBuilder,
INamedReference previousPluginMethod)
{
if (!IsApplicable(setup))
{
return(previousPluginMethod);
}
var behavior = setup.Behaviors.OfType <EntityBehavior>().Last();
var entityClass =
locatorBuilder.HasNestedClass($"{TypeNameHelper.GetTypeMark(setup.InterfaceType)}_Impl_{Guid.NewGuid():N}")
.WithModifier("private")
.WithModifier("sealed")
.Implements <IEntity>()
.Implements(setup.InterfaceType);
var locatorField = entityClass.HasField <IServiceLocator>();
var ctor = entityClass.WithConstructor().WithModifier("public");
var locatorParam = ctor.WithParam <IServiceLocator>("locator");
ctor.Body.Assign(locatorField, a => a.Write(locatorParam)).EndStatement();
ctor.Body.Write("IsDirty = true").EndStatement();
var entityProperties = ImplementProperties(entityClass, setup.InterfaceType, behavior).ToList();
ImplementIsDirtyProperty(entityClass);
var pkProperty = ImplementReadPrimaryKeyAndGetPkProperty(entityClass, behavior, setup.InterfaceType);
ImplementGetSaveMethodTypeMethod(entityClass, pkProperty);
ImplementGetValuesMethod(entityClass, entityProperties, pkProperty);
ImplementReadSelfMethod(entityClass, locatorField, entityProperties);
ImplementReferenceEntityProperties(entityClass, setup.InterfaceType, m_setup.EntityNamingConvention);
ImplementDbEntityNameProperty(entityClass, setup.InterfaceType);
ImplementPkTypeProperty(entityClass, pkProperty);
ImplementIsPkAuto(entityClass, pkProperty);
var collectionMethod = locatorBuilder.HasMethod("GetEntitiesCollection").Returns(typeof(IEnumerable <Type>));
collectionMethod.Body.Write("yield return typeof(")
.Write(setup.InterfaceType)
.Write(")")
.EndStatement()
.NewLine();
var factoryMethod = locatorBuilder.HasMethod($"{TypeNameHelper.GetTypeMark(setup.InterfaceType)}_{Guid.NewGuid():N}").Returns(setup.InterfaceType);
factoryMethod.Body.Write("return ")
.InvokeConstructor(entityClass, inv => inv.WithParam("this"))
.EndStatement();
return(factoryMethod);
}
private void ImplementReadSelfMethod(IClassBuilder entityClass, IClassFieldBuilder locatorField, List <PropertyInfo> columnProperties)
{
var readMethod = entityClass.HasMethod("ReadSelf").WithModifier("public").ReturnsVoid();
var rowParam = readMethod.WithParam <IDataRecord>("dataRow");
readMethod.Body.Write("if(!ReadPrimaryKey(").Write(rowParam).Write(")){ return; }").NewLine();
foreach (var columnProp in columnProperties)
{
readMethod.Body.If(
c => c.Write("!").Write(rowParam).Write(".IsNull(\"").Write(columnProp.Name).Write("\")"),
then =>
{
then.Write(columnProp.Name)
.Write(" = ")
.Write(rowParam)
.Write(".Get<")
.Write(columnProp.PropertyType)
.Write(">(\"").Write(columnProp.Name).Write("\")")
.EndStatement();
},
els =>
{
els.Write(columnProp.Name)
.Write(" = default(")
.Write(columnProp.PropertyType)
.Write(")")
.EndStatement();
});
}
}
public INamedReference GenerateFactoryMethod(
IServiceSetupRecord setup,
Dictionary <string, INamedReference> ctorParamValueFactoryFields,
INamedReference valueFactoryField,
IClassBuilder locatorBuilder,
INamedReference previousPluginMethod)
{
var implementingType = setup.ImplementingType ?? setup.InterfaceType;
var methodName = $"Factory{TypeNameHelper.GetTypeMark(setup.InterfaceType)}_{Guid.NewGuid():N}";
var method = locatorBuilder.HasMethod(methodName).WithModifier("private").Returns(setup.InterfaceType);
method.Body.Write("return ").InvokeConstructor(implementingType,
invocation =>
{
foreach (var constructorParameter in setup.PreferredConstructor.GetParameters())
{
INamedReference factoryField;
if (ctorParamValueFactoryFields.TryGetValue(constructorParameter.Name, out factoryField))
{
invocation.WithParam(b => b.Write("(").Write(constructorParameter.ParameterType).Write(")").Write(factoryField).Write("(this)"));
}
else
{
invocation.WithParam(b => b.Write("(").Write(constructorParameter.ParameterType).Write(")").Write("Get(typeof(").Write(constructorParameter.ParameterType).Write("))"));
}
}
}).EndStatement();
return(method);
}
public INamedReference GenerateFactoryMethod(IServiceSetupRecord setup, Dictionary <string, INamedReference> ctorParamValueFactoryFields, INamedReference valueFactoryField, IClassBuilder locatorBuilder, INamedReference previousPluginMethod)
{
var fm = locatorBuilder.HasMethod($"ControllerIndexFactory_{Guid.NewGuid():N}").Returns <ControllerIndex>().WithModifier("private");
fm.Body.Write("return new ").Write(typeof(ControllerIndex)).Write("(this.GetRoboapiControllerIndexFactory())").EndStatement();
return(fm);
}
private PropertyInfo ImplementReadPrimaryKeyAndGetPkProperty(
IClassBuilder entityClass,
EntityBehavior behavior,
Type entityType)
{
var pkProperty = ReflectionUtil.GetProperty(entityType, behavior.PrimaryKeyProperty);
if (pkProperty == null)
{
throw new InvalidOperationException($"{entityType.Name} is missing {behavior.PrimaryKeyProperty} property");
}
var idField = entityClass.HasField(pkProperty.PropertyType);
var idProp = entityClass.HasProperty(pkProperty.Name, pkProperty.PropertyType).WithModifier("public");
idProp.HasGetter().Write("return ").Write(idField).EndStatement();
idProp.HasSetter().Assign(idField, a => a.Write("value")).EndStatement();
var primaryKeyValueProperty = entityClass.HasProperty(nameof(IEntity.PrimaryKeyValue), typeof(object))
.WithModifier("public");
primaryKeyValueProperty.HasGetter().Write("return ").Write(idProp).EndStatement();
var primaryKeyValueSetter = primaryKeyValueProperty.HasSetter();
primaryKeyValueSetter.Write(idProp).Write(" = ").Write("(").Write(pkProperty.PropertyType).Write(")").Write(primaryKeyValueSetter.ValueParameter).EndStatement();
var readPkMethod = entityClass.HasMethod(nameof(IEntity.ReadPrimaryKey)).WithModifier("public").Returns <bool>();
var readerParam = readPkMethod.WithParam <IDataRecord>("reader");
readPkMethod.Body.If(
c =>
c.Write(readerParam)
.Write(".")
.Invoke(
nameof(IDataRecord.IsNull),
p => p.WithParam(code => code.Write("\"").Write(pkProperty.Name).Write("\""))),
then => then.Write("return false").EndStatement()).NewLine();
readPkMethod.Body.Assign(
idField,
a =>
a.Write(readerParam)
.Write(".Get<")
.Write(pkProperty.PropertyType)
.Write(">(\"")
.Write(pkProperty.Name)
.Write("\")")).EndStatement();
readPkMethod.Body.Write("return true").EndStatement();
return(pkProperty);
}
public INamedReference GenerateFactoryMethod(
IServiceSetupRecord setup,
Dictionary <string, INamedReference> ctorParamValueFactoryFields,
INamedReference valueFactoryField,
IClassBuilder locatorBuilder,
INamedReference previousPluginMethod)
{
var behavior = setup.Behaviors.OfType <ControllerBehavior>().FirstOrDefault();
if (behavior == null)
{
return(previousPluginMethod);
}
var indexFactory =
locatorBuilder.HasMethod("GetRoboapiControllerIndexFactory")
.Returns <IEnumerable <KeyValuePair <string, Type> > >()
.WithModifier("private");
indexFactory.Body.Write("yield return new ")
.Write(typeof(KeyValuePair <string, Type>))
.Write("(")
.String(behavior.ControllerName)
.Write(", ")
.Typeof(setup.ImplementingType)
.Write(")")
.EndStatement();
var builder = Activator.CreateInstance(behavior.ProxyBuilderType) as ControllerProxyBuilder;
var proxy = builder.BuildProxyClass(locatorBuilder, setup.ImplementingType, behavior.CallBuilderType);
var factoryMethod =
locatorBuilder.HasMethod($"factory{setup.ImplementingType.Name}").Returns(setup.ImplementingType);
factoryMethod.Body.Write("return new ").Write(proxy).Write("(this)").EndStatement();
return(factoryMethod);
}
public INamedReference GenerateFactoryMethod(
IServiceSetupRecord setup,
Dictionary <string, INamedReference> ctorParamValueFactoryFields,
INamedReference valueFactoryField,
IClassBuilder locatorBuilder,
INamedReference previousPluginMethod)
{
var method = locatorBuilder.HasMethod("error");
method.Body.Write("cannot compile this");
return(method);
}
public INamedReference GenerateFactoryMethod(
IServiceSetupRecord setup,
Dictionary <string, INamedReference> ctorParamValueFactoryFields,
INamedReference valueFactoryField,
IClassBuilder locatorBuilder,
INamedReference previousPluginMethod)
{
var implClass =
locatorBuilder.HasNestedClass(
$"{TypeNameHelper.GetTypeMark(this.GetType())}_implements_{TypeNameHelper.GetTypeMark(setup.InterfaceType)}_{Guid.NewGuid():N}")
.Implements(setup.InterfaceType)
.WithModifier("private")
.WithModifier("sealed");
var locatorField = implClass.HasField <IServiceLocator>();
var locatorParam = implClass.WithConstructor().WithModifier("public").WithParam("locator", typeof(IServiceLocator));
implClass.WithConstructor().Body.Assign(locatorField, a => a.Write(locatorParam));
foreach (var property in setup.InterfaceType.GetProperties())
{
if (!ImplementProperty(implClass, property, locatorField))
{
DefaultImplementProperty(implClass, property);
}
}
foreach (var method in setup.InterfaceType.GetMethods())
{
if (method.IsSpecialName)
{
continue;
}
if (!ImplementMethod(implClass, method, locatorField))
{
DefaultImplementMethod(implClass, method);
}
}
var factoryMethod =
locatorBuilder.HasMethod($"factory_{TypeNameHelper.GetTypeMark(setup.InterfaceType)}_{Guid.NewGuid():N}").Returns(setup.InterfaceType).WithModifier("private");
factoryMethod.Body.Write(" return ")
.InvokeConstructor(implClass, i => i.WithParam(p => p.Write("this")))
.EndStatement();
return(factoryMethod);
}
public INamedReference GenerateFactoryMethod(
IServiceSetupRecord setup,
Dictionary <string, INamedReference> ctorParamValueFactoryFields,
INamedReference valueFactoryField,
IClassBuilder locatorBuilder,
INamedReference previousPluginMethod)
{
var collectionMethod = locatorBuilder.HasMethod("GetCollectionItems");
collectionMethod.Body.If(
condition => condition.Write("collectionType == typeof(").Write(CollectionType).Write(")"),
then => then.Write("yield return Get(typeof(").Write(setup.InterfaceType).Write("))").EndStatement()).NewLine();
return(previousPluginMethod);
}
public INamedReference GenerateFactoryMethod(
IServiceSetupRecord setup,
Dictionary <string, INamedReference> ctorParamValueFactoryFields,
INamedReference valueFactoryField,
IClassBuilder locatorBuilder,
INamedReference previousPluginMethod)
{
var methodName = $"Factory{TypeNameHelper.GetTypeMark(setup.InterfaceType)}_{Guid.NewGuid():N}";
var method = locatorBuilder.HasMethod(methodName).WithModifier("private").Returns(setup.InterfaceType);
method.Body.Write("return ").Write("(").Write(setup.InterfaceType).Write(")").Write(valueFactoryField).Write("(this)").EndStatement();
return(method);
}
public INamedReference GenerateFactoryMethod(
IServiceSetupRecord setup,
Dictionary <string, INamedReference> ctorParamValueFactoryFields,
INamedReference valueFactoryField,
IClassBuilder locatorBuilder,
INamedReference previousPluginMethod)
{
var factory = locatorBuilder.HasMethod("GetEntityCollectorInstance").Returns(typeof(IEntityCollector));
factory.WithModifier("private");
factory.Body.Write("return new ")
.Write(typeof(EntityCollector))
.Write("(System.Linq.Enumerable.ToList(this.GetEntitiesCollection()))")
.EndStatement();
return(factory);
}
protected virtual void ImplementExecuteMethod(IClassBuilder proxyclass, Type controllerType, Type callBuilderType, INamedReference interceptorField)
{
var execMethod = proxyclass.HasMethod(nameof(IController.Execute)).WithModifier("public").ReturnsVoid();
var contextParam = execMethod.WithParam("__context", typeof(RequestContext));
execMethod.Body.If(
condition =>
condition.Invoke(
interceptorField,
nameof(IControllerInterceptor.OnRequest),
inv => inv.WithParam("this").WithParam(contextParam)),
then => then.Write("return").EndStatement());
var factories = new Dictionary <Type, INamedReference>();
Func <Type, INamedReference> fieldsFactory = type =>
{
INamedReference result;
if (!factories.TryGetValue(type, out result))
{
result =
proxyclass.HasField(type)
.WithModifier("private")
.WithModifier("static")
.WithModifier("readonly")
.WithAssignment(asg => asg.Write("new ").Write(type).Write("()"));
factories[type] = result;
}
return(result);
};
var writer = Activator.CreateInstance(callBuilderType) as IControllerMethodCallBuilder;
if (writer == null)
{
throw new InvalidOperationException($"{callBuilderType.Name} is not of type {nameof(IControllerMethodCallBuilder)}");
}
writer.BuildCall(proxyclass, execMethod, contextParam, controllerType, fieldsFactory, interceptorField);
}
public INamedReference GenerateFactoryMethod(
IServiceSetupRecord setup,
Dictionary <string, INamedReference> ctorParamValueFactoryFields,
INamedReference valueFactoryField,
IClassBuilder locatorBuilder,
INamedReference previousPluginMethod)
{
if (!setup.GetBehavior(s_defaultBehavior).Dispose)
{
return(previousPluginMethod);
}
var method = locatorBuilder.HasMethod($"Dispose{TypeNameHelper.GetTypeMark(setup.InterfaceType)}_{Guid.NewGuid():N}")
.Returns(setup.InterfaceType);
method.Body.Write("return ")
.Invoke("TryRegisterDisposable", invocation => invocation.WithParam(p => p.Invoke(previousPluginMethod,
inv => { })))
.EndStatement();
return(method);
}
public INamedReference GenerateFactoryMethod(
IServiceSetupRecord setup,
Dictionary <string, INamedReference> ctorParamValueFactoryFields,
INamedReference valueFactoryField,
IClassBuilder locatorBuilder,
INamedReference previousPluginMethod)
{
if (setup.GetBehavior(s_defaultBehavior).AlwaysNewInstance)
{
return(previousPluginMethod);
}
var field = locatorBuilder.HasField(setup.InterfaceType).WithModifier("private");
var fMethod = locatorBuilder.HasMethod($"Singleton_{TypeNameHelper.GetTypeMark(setup.InterfaceType)}_{Guid.NewGuid():N}").Returns(setup.InterfaceType);
fMethod.Body.Write(" return ")
.LazyReadOrAssign(field, a => a.Invoke(previousPluginMethod, inv => { }))
.EndStatement();
return(fMethod);
}
private void ImplementReferenceEntityProperties(IClassBuilder entityClass, Type entityType, IEntityNamingConvention convention)
{
var getReferencePropertiesMethod =
entityClass.HasMethod(nameof(IEntity.GetReferenceProperties))
.Returns <IEnumerable <Tuple <string, Type> > >()
.WithModifier("public");
var openPropertyMethod =
entityClass.HasMethod(nameof(IEntity.OpenProperty)).Returns <IEntitySet>().WithModifier("public");
var openPropertyNameParam = openPropertyMethod.WithParam <string>("propertyName");
foreach (var property in ReflectionUtil.GetAllProperties(entityType))
{
var foreignEntityType = convention.TryGetRefEntityType(property);
if (foreignEntityType == null)
{
continue;
}
var refNameTypeField =
entityClass.HasField <Tuple <string, Type> >().WithModifier("private").WithModifier("readonly").WithAssignment(a =>
a.InvokeConstructor(
typeof(Tuple <string, Type>),
inv =>
inv.WithParam(p => p.String(property.Name))
.WithParam(p => p.Typeof(foreignEntityType))));
getReferencePropertiesMethod.Body.Write("yield return ").Write(refNameTypeField).EndStatement();
INamedReference backingField;
if (typeof(IEnumerable).IsAssignableFrom(property.PropertyType))
{
backingField =
entityClass.HasField <EntityList>()
.WithAssignment(a => a.InvokeConstructor(typeof(EntityList), x => { }));
entityClass.HasProperty(property.Name, property.PropertyType)
.WithModifier("public")
.HasGetter()
.Write("return ")
.Write(typeof(System.Linq.Enumerable))
.Write(".")
.Write("OfType<")
.Write(foreignEntityType)
.Write(">(")
.Write(backingField)
.Write(")")
.EndStatement();
}
else
{
backingField =
entityClass.HasField <EntityHolder>()
.WithAssignment(a => a.InvokeConstructor(typeof(EntityHolder), x => { }));
entityClass.HasProperty(property.Name, property.PropertyType)
.WithModifier("public")
.HasGetter()
.Write("return ")
.Write(backingField)
.Write(".Value")
.Write(" as ")
.Write(foreignEntityType)
.EndStatement();
}
openPropertyMethod.Body.If(
c => c.Compare(openPropertyNameParam, b => b.String(property.Name)),
then => then.Write("return ").Write(backingField).EndStatement()).NewLine();
}
openPropertyMethod.Body.Write("throw ")
.InvokeConstructor(
typeof(InvalidOperationException),
i => i.WithParam(p => p.String("Unknown property requested")))
.EndStatement();
getReferencePropertiesMethod.Body.Write("yield break").EndStatement();
}
