private Object[] GetParameters(IResolverContext context, IDependencyTable dependencyTable, IDependencyResolver resolver)
{
return context.HasImplementationDelegate() ?
new Object[0] :
context.DependencyEntry.GetImplementationType().
GetConstructorParameters(_dependencyTable, resolver);
}
private Object[] GetParameters(IResolverContext context, IDependencyTable dependencyTable, IDependencyResolver resolver)
{
return(context.HasImplementationDelegate() ?
new Object[0] :
context.DependencyEntry.GetImplementationType().
GetConstructorParameters(_dependencyTable, resolver));
}
internal static Object[] GetConstructorParameters(this Type type, IDependencyTable dependencyTable, IDependencyResolver resolver)
{
return(type.GetBastConstructor(dependencyTable).
GetParameters().
Select(p => resolver.Resolve(p.ParameterType)).
ToArray());
}
public SingletonResolverCallSite(IDependencyTable dependencyTable)
{
if (dependencyTable == null)
{
throw new ArgumentNullException(nameof(dependencyTable));
}
_dependencyTable = dependencyTable;
}
public DependencyResolver(IDependencyTable dependencyTable)
{
if (dependencyTable == null)
{
throw new ArgumentNullException(nameof(dependencyTable));
}
_dependencyTable = dependencyTable;
CallSiteCollection.AddDefault(_dependencyTable);
}
public DependencyResolver(IEnumerable <DependencyEntry> dependencyEntrys)
{
if (dependencyEntrys == null)
{
throw new ArgumentNullException(nameof(dependencyEntrys));
}
_dependencyTable = new DependencyTable(dependencyEntrys);
CallSiteCollection.AddDefault(_dependencyTable);
}
/// <summary>
/// 添加默认解析器实现
/// </summary>
internal static ICallSiteCollection AddDefault(this ICallSiteCollection callSiteCollection, IDependencyTable dependencyTable)
{
callSiteCollection.Add(new PropertyResolverCallSite(dependencyTable));
callSiteCollection.Add(new CompileResolverCallSite(dependencyTable));
callSiteCollection.Add(new ConstructorResolverCallSite(dependencyTable));
callSiteCollection.Add(new NonConstructorResolverCallSite());
callSiteCollection.Add(new InstanceResolverCallSite());
callSiteCollection.Add(new DelegateResolverCallSite());
callSiteCollection.Add(new ScopedResolverCallSite(dependencyTable));
callSiteCollection.Add(new SingletonResolverCallSite(dependencyTable));
callSiteCollection.Add(new TransientResolverCallSite(dependencyTable));
return callSiteCollection;
}
/// <summary>
/// 获取或添加委托缓存
/// </summary>
internal static Func <IDependencyResolver, Object[], Object> GetOrAddCompile(this IDependencyTable dependencyTable,
DependencyEntry depencyEntry, Func <Type, Type, Func <IDependencyResolver, Object[], Object> > valueFactory)
{
if (depencyEntry == null)
{
throw new ArgumentNullException(nameof(depencyEntry));
}
Func <IDependencyResolver, Object[], Object> resultingValue;
if (dependencyTable.CompileTable.TryGetValue(depencyEntry, out resultingValue))
{
return(resultingValue);
}
return(dependencyTable.CompileTable[depencyEntry] = valueFactory(depencyEntry.ServiceType, depencyEntry.GetImplementationType()));
}
/// <summary>
/// 从缓存中读取委托并调用
/// </summary>
internal static bool TryGetCompileValue(this IDependencyTable dependencyTable, IResolverContext context, IDependencyResolver resolver)
{
Func <IDependencyResolver, Object[], Object> resultingValueFactory;
if (dependencyTable.CompileTable.TryGetValue(context.DependencyEntry, out resultingValueFactory))
{
var args = context.DependencyEntry.GetImplementationType().
GetConstructorParameters(dependencyTable, resolver);
context.CompleteValue = resultingValueFactory(resolver, args);
if (dependencyTable.HasPropertyEntryTable.ContainsKey(context.DependencyEntry))
{
new PropertyResolverCallSite(dependencyTable).Resolver(context, resolver);
}
}
return(context.Complete);
}
/// <summary>
/// 返回最佳构造方法
/// </summary>
internal static ConstructorInfo GetBastConstructor(this Type type, IDependencyTable dependencyTable)
{
var constructors = type.GetConstructors().OrderBy(ctor => ctor.GetParameters().Length).ToArray();
if (constructors.Length == 0)
{
throw new InvalidOperationException(type.FullName + "类没有公共的构造方法。");
}
else if (constructors.Length == 1)
{
return(constructors[0]);
}
else
{
ConstructorInfo bestConstructor = null;
foreach (var constructor in constructors)
{
if (!constructor.GetParameterTypes().Any(t => !dependencyTable.DependencyEntryTable.ContainsKey(t)))
{
if (bestConstructor == null)
{
bestConstructor = constructor;
}
else
{
if (bestConstructor.GetParameters().Length == constructor.GetParameters().Length)
{
throw new InvalidOperationException("类型\"" + type.FullName + "\" 构造方法调用不明确。");
}
bestConstructor = constructor;
}
}
}
if (bestConstructor == null)
{
throw new InvalidOperationException("类型\"" + type.FullName + "\"未找到合适的构造方法。");
}
return(bestConstructor);
}
throw new InvalidOperationException("类型\"" + type.FullName + "\"未找到合适的构造方法。");
}
/// <summary>
/// 返回最佳构造方法
/// </summary>
internal static ConstructorInfo GetBastConstructor(this Type type, IDependencyTable dependencyTable)
{
var constructors = type.GetConstructors().OrderBy(ctor => ctor.GetParameters().Length).ToArray();
if (constructors.Length == 0)
{
throw new InvalidOperationException(type.FullName + "类没有公共的构造方法。");
}
else if (constructors.Length == 1)
{
return constructors[0];
}
else
{
ConstructorInfo bestConstructor = null;
foreach (var constructor in constructors)
{
if (!constructor.GetParameterTypes().Any(t => !dependencyTable.DependencyEntryTable.ContainsKey(t)))
{
if (bestConstructor == null)
{
bestConstructor = constructor;
}
else
{
if (bestConstructor.GetParameters().Length == constructor.GetParameters().Length)
{
throw new InvalidOperationException("类型\"" + type.FullName + "\" 构造方法调用不明确。");
}
bestConstructor = constructor;
}
}
}
if (bestConstructor == null)
{
throw new InvalidOperationException("类型\"" + type.FullName + "\"未找到合适的构造方法。");
}
return bestConstructor;
}
throw new InvalidOperationException("类型\"" + type.FullName + "\"未找到合适的构造方法。");
}
public SingletonResolverCallSite(IDependencyTable dependencyTable)
{
if (dependencyTable == null) throw new ArgumentNullException(nameof(dependencyTable));
_dependencyTable = dependencyTable;
}
public Kernel(IDependencyTable dependencyTable)
{
_dependencyTable = dependencyTable;
}
internal static Object[] GetConstructorParameters(this Type type, IDependencyTable dependencyTable, IDependencyResolver resolver)
{
return type.GetBastConstructor(dependencyTable).
GetParameters().
Select(p => resolver.Resolve(p.ParameterType)).
ToArray();
}
/// <summary>
/// 添加默认解析器实现
/// </summary>
internal static ICallSiteCollection AddDefault(this ICallSiteCollection callSiteCollection, IDependencyTable dependencyTable)
{
callSiteCollection.Add(new PropertyResolverCallSite(dependencyTable));
callSiteCollection.Add(new CompileResolverCallSite(dependencyTable));
callSiteCollection.Add(new ConstructorResolverCallSite(dependencyTable));
callSiteCollection.Add(new NonConstructorResolverCallSite());
callSiteCollection.Add(new InstanceResolverCallSite());
callSiteCollection.Add(new DelegateResolverCallSite());
callSiteCollection.Add(new ScopedResolverCallSite(dependencyTable));
callSiteCollection.Add(new SingletonResolverCallSite(dependencyTable));
callSiteCollection.Add(new TransientResolverCallSite(dependencyTable));
return(callSiteCollection);
}
internal static void AddScoped(this IDependencyTable dependencyTable, IResolverContext context, IDependencyResolver resolver)
{
dependencyTable.ScopedTable.Add(DependencyTableHelper.GetScopedKey(context, resolver), context.CompleteValue);
}
/// <summary>
/// 从缓存中读取作用域值
/// </summary>
internal static bool TryGetScoped(this IDependencyTable dependencyTable, IResolverContext context, IDependencyResolver resolver, out Object value)
{
return(dependencyTable.ScopedTable.TryGetValue(DependencyTableHelper.GetScopedKey(context, resolver), out value));
}
