/// <summary>
/// 按服务名称,随机返回一个服务地址
/// </summary>
/// <param name="serviceName"></param>
/// <param name="minute"></param>
/// <returns></returns>
public ServiceInfo GetServiceInfo(string serviceName, double minute = 0)
{
Dictionary <string, ServiceInfo> all;
if (minute > 0)
{
all = DelegateCache.Init("consulServiceCache", minute, () =>
{
return(GetAllServices());
});
}
else
{
all = GetAllServices();
}
var services = all.Values.Where(b => b.Service == serviceName).ToList();
if (services.Count == 0)
{
throw new Exception($"找不到可用的服务:{serviceName}");
}
int k = rng.Next(services.Count);
return(services[k]);
}
public TDest To <TDest>(TDest destination, string keyMemberName = null, string flatteningToken = null, bool clearCollections = false)
{
if (destination != null)
{
Action <TSource, TDest> compiledAction = GetCachedActionOverDestination <TDest>(keyMemberName, clearCollections, flatteningToken);
if (compiledAction == null)
{
Expression <Action <TSource, TDest> > queryExpression = GetCachedExpressionOverDestination <TDest>(keyMemberName, clearCollections, flatteningToken) ?? BuildExpressionOverDestination <TDest>(clearCollections, keyMemberName, flatteningToken);
compiledAction = queryExpression.Compile();
string key = GetCacheKey <Action <TSource, TDest> >(flatteningToken, keyMemberName, clearCollections);
DelegateCache.TryAdd(key, compiledAction);
}
compiledAction.Invoke(source, destination);
}
else
{
return(this.To <TDest>(flatteningToken));
}
return(destination);
}
public void ActionTest()
{
DelegateCache cache = new DelegateCache();
int val = -1;
DelegateCache.CachedAction action = delegate()
{
++val;
};
cache.SaveAction(action, TimeSpan.FromSeconds(3));
for (int i = 0; i < 4; i++)
{
cache.InvokeAction(action);
if (i < 3)
{
Assert.AreEqual(val, 0);
}
else
{
Assert.AreEqual(val, 1);
}
Thread.Sleep(1100);
}
}
public void FuncTest()
{
DelegateCache cache = new DelegateCache();
int val = 0;
DelegateCache.CachedFunc <int> func = delegate()
{
return(val++);
};
cache.SaveFunc(func, TimeSpan.FromSeconds(5));
for (int i = 0; i < 6; i++)
{
int v = cache.InvokeFunc(func);
if (i < 5)
{
Assert.AreEqual(v, 0);
}
else
{
Assert.AreEqual(v, 1);
}
Thread.Sleep(1100);
}
}
/// <summary>
/// Creates a new instance of <see cref="WampIncomingMessageHandler{TMessage,TClient}"/>
/// given <paramref name="wampRequestMapper"/> and
/// <paramref name="methodBuilder"/>
/// </summary>
/// <param name="wampRequestMapper">The <see cref="IWampRequestMapper{TRequest}"/>
/// used in order to map <see cref="WampMessage{TMessage}"/>s to their suitable methods.</param>
/// <param name="methodBuilder">The <see cref="IMethodBuilder{TKey,TMethod}"/> used
/// in order to build the corresponding methods.</param>
public WampIncomingMessageHandler
(IWampRequestMapper <TMessage> wampRequestMapper,
IMethodBuilder <WampMethodInfo, Action <TClient, WampMessage <TMessage> > > methodBuilder)
{
mWampRequestMapper = wampRequestMapper;
mLogger = LogProvider.GetLogger(this.GetType());
mDelegateCache = new DelegateCache <WampMethodInfo, Action <TClient, WampMessage <TMessage> > >(methodBuilder);
}
protected void OnClick()
{
ClickHandler ch = (ClickHandler)DelegateCache.Fetch(this, clickEventKey);
if (ch != null)
{
ch(this, null);
}
}
private object GetMapMethod(TypePair key, Func <CompiledDelegate, object> propertyAccessor)
{
CompiledDelegate @delegate = null;
DelegateCache.TryGetValue(key, out @delegate);
var mapMethod = propertyAccessor(@delegate);
return(mapMethod);
}
/// <summary>
/// Locate specific type using extra data or key
/// </summary>
/// <param name="type">type to locate</param>
/// <param name="extraData">extra data to be used during construction</param>
/// <param name="consider"></param>
/// <param name="withKey">key to use for locating type</param>
/// <param name="isDynamic"></param>
/// <returns>located instance</returns>
// ReSharper disable once MethodOverloadWithOptionalParameter
public override object Locate(Type type, object extraData = null, ActivationStrategyFilter consider = null, object withKey = null, bool isDynamic = false)
{
if (isDynamic || withKey != null || consider != null)
{
return(LocateFromParent(type, extraData, consider, withKey, false, isDynamic));
}
return(DelegateCache.ExecuteActivationStrategyDelegateWithContext(type, this, false, extraData != null ? CreateContext(extraData) : null));
}
private ResolutionScope(IResolverSelector resolverSelector,
IExpressionBuilder expressionBuilder, IContainerContext containerContext,
DelegateCache delegateCache, object name)
{
this.resolverSelector = resolverSelector;
this.expressionBuilder = expressionBuilder;
this.containerContext = containerContext;
this.Name = name;
this.delegateCache = delegateCache;
}
/// <summary>
/// Converts the <see cref="DbDataReader"/> into an enumerable of <see cref="ExpandoObject"/> object.
/// </summary>
/// <param name="reader">The <see cref="DbDataReader"/> to be converted.</param>
/// <param name="basedOnFields">Check whether to create a delegate based on the data reader fields.</param>
/// <returns>An array of <see cref="ExpandoObject"/> objects.</returns>
internal static IEnumerable <dynamic> ToEnumerable(DbDataReader reader, bool basedOnFields = false)
{
if (reader != null && reader.HasRows)
{
var @delegate = DelegateCache.GetDataReaderToExpandoObjectDelegate(reader, basedOnFields);
while (reader.Read())
{
yield return(@delegate(reader));
}
}
}
/// <summary>
/// Returns an empty <see cref="IEnumerable{T}"/> that has the specified type argument.
/// </summary>
/// <param name="type">
/// The <see cref="Type"/> to assign to the type parameter of the returned
/// generic <see cref="IEnumerable{T}"/>.
/// </param>
/// <returns>
/// The <see cref="object"/> representing the empty enumerable.
/// </returns>
public static object Empty(Type type)
{
MethodBaseCacheItem key = GetMethodCacheKey(type);
if (!DelegateCache.TryGetValue(key, out var f))
{
f = StaticMethod <object>(EmptyMethod.MakeGenericMethod(type));
DelegateCache[key] = f;
}
return(((Func <object, object>)f)(type));
}
/// <summary>
/// Casts the elements of the given <see cref="IEnumerable"/> to the specified type.
/// </summary>
/// <param name="type">The <see cref="Type"/> to cast to.</param>
/// <param name="value">
/// The <see cref="IEnumerable"/> to cast the items of.
/// </param>
/// <returns>
/// The <see cref="object"/> representing the cast enumerable.
/// </returns>
public static object Cast(Type type, IEnumerable value)
{
MethodBaseCacheItem key = GetMethodCacheKey(type);
if (!DelegateCache.TryGetValue(key, out var f))
{
f = StaticMethodSingleParameter <object>(CastMethod.MakeGenericMethod(type));
DelegateCache[key] = f;
}
return(((Func <object, object>)f)(value));
}
private ResolutionScope(ExpressionFactory expressionBuilder, IContainerContext containerContext,
DelegateCacheProvider delegateCacheProvider, object name)
{
this.expressionFactory = expressionBuilder;
this.containerContext = containerContext;
this.Name = name;
this.delegateCacheProvider = delegateCacheProvider;
this.delegateCache = name == null
? delegateCacheProvider.DefaultCache
: delegateCacheProvider.GetNamedCache(name);
}
public static DelegateCache FirstCacheNode(Type /*!*/ argType)
{
DelegateCache nextCacheNode;
if (!_delegateCache.TryGetValue(argType, out nextCacheNode))
{
nextCacheNode = new DelegateCache();
_delegateCache[argType] = nextCacheNode;
}
return(nextCacheNode);
}
/// <summary>
/// Locate specific type using extra data or key
/// </summary>
/// <param name="type">type to locate</param>
/// <param name="extraData">extra data to be used during construction</param>
/// <param name="consider">filter out exports you don't want to consider</param>
/// <param name="withKey">key to use for locating type</param>
/// <param name="isDynamic">skip cache and look through exports</param>
/// <returns>located instance</returns>
// ReSharper disable once MethodOverloadWithOptionalParameter
public override object Locate(Type type, object extraData = null, ActivationStrategyFilter consider = null, object withKey = null, bool isDynamic = false)
{
IInjectionContext context = extraData == null ?
null : CreateInjectionContextFromExtraData(type, extraData);
if (withKey == null && consider == null && !isDynamic)
{
return(DelegateCache.ExecuteActivationStrategyDelegateWithContext(type, this, false, context));
}
return(InternalLocate(this, this, type, consider, withKey, context, false, isDynamic));
}
/// <summary>
/// Generic method to find the specified type and cache the result
/// </summary>
/// <param name="type">The type</param>
/// <param name="cacheResult">Whether to cache the result</param>
/// <param name="specificAssemblies">Specific assemblies to search within</param>
/// <returns>The <see cref="IEnumerable{Type}"/></returns>
public static IEnumerable <Type> ResolveTypes(Type type, bool cacheResult = true, IEnumerable <Assembly> specificAssemblies = null)
{
MethodBaseCacheItem key = GetMethodCacheKey(type);
if (!DelegateCache.TryGetValue(key, out var f))
{
f = CreateGenericResolveMethod(ResolveMethod.MakeGenericMethod(type));
DelegateCache[key] = f;
}
return(((Func <bool, IEnumerable <Assembly>, IEnumerable <Type> >)f)(cacheResult, specificAssemblies));
}
/// <summary>
/// Indicates whether the current object is equal to another object of the same type.
/// </summary>
/// <param name="other">
/// An object to compare with this object.
/// </param>
/// <returns>
/// true if the current object is equal to the other parameter; otherwise, false.
/// </returns>
public bool Equals(TSelf other)
{
if (other == null || GetType() != other.GetType())
{
return(false);
}
if (ReferenceEquals(this, other))
{
return(true);
}
return(DelegateCache.EqualsDelegate((TSelf)this, other));
}
/// <summary>
/// Converts the <see cref="DbDataReader"/> into an enumerable of data entity object.
/// </summary>
/// <typeparam name="TEntity">The data entity type to convert.</typeparam>
/// <param name="reader">The <see cref="DbDataReader"/> to be converted.</param>
/// <param name="basedOnFields">Check whether to create a delegate based on the data reader fields.</param>
/// <returns>An array of data entity objects.</returns>
internal static IEnumerable <TEntity> ToEnumerable <TEntity>(DbDataReader reader, bool basedOnFields = false)
where TEntity : class
{
if (reader != null && reader.IsClosed == false && reader.HasRows)
{
var @delegate = DelegateCache.GetDataReaderToDataEntityDelegate <TEntity>(reader, basedOnFields);
while (reader.Read())
{
yield return(@delegate(reader));
}
}
}
private ResolutionScope(IResolverSelector resolverSelector,
IExpressionBuilder expressionBuilder, IContainerContext containerContext,
DelegateCache delegateCache, object name)
{
this.rootItem = DisposableItem.Empty;
this.rootFinalizableItem = FinalizableItem.Empty;
this.scopedItems = AvlTree <object> .Empty;
this.scopedInstances = AvlTreeKeyValue <Type, object> .Empty;
this.resolverSelector = resolverSelector;
this.expressionBuilder = expressionBuilder;
this.containerContext = containerContext;
this.Name = name;
this.delegateCache = delegateCache;
}
/// <summary>
/// try to locate a specific type
/// </summary>
/// <param name="type">type to locate</param>
/// <param name="value">located value</param>
/// <param name="extraData">extra data to be used during locate</param>
/// <param name="consider">filter to use during location</param>
/// <param name="withKey">key to use during locate</param>
/// <param name="isDynamic">is the request dynamic</param>
/// <returns>true if export could be located</returns>
public override bool TryLocate(Type type, out object value, object extraData = null, ActivationStrategyFilter consider = null, object withKey = null, bool isDynamic = false)
{
if (!isDynamic && withKey == null && consider == null)
{
var hashCode = type.GetHashCode();
value = DelegateCache.ExecuteActivationStrategyDelegateWithContext(type, this, true, extraData == null ? null : CreateContext(extraData));
return(value != null);
}
value = LocateFromParent(type, extraData, consider, withKey, true, isDynamic);
return(value != null);
}
public static bool Equals <T>(T self, object other)
{
if (other is null)
{
return(false);
}
if (self.GetType() != other.GetType())
{
return(false);
}
if (other is T value)
{
return(DelegateCache <T> .EqualsDelegate(self, value));
}
return(false);
}
public IEnumerable <TDest> To <TDest>(string flatteningToken = null)
{
Func <TSource, TDest> compiledAction = GetCachedDelegate <TDest>(flatteningToken);
if (compiledAction == null)
{
Expression <Func <TSource, TDest> > queryExpression = GetCachedExpression <TDest>(flatteningToken) ?? BuildExpression <TDest>(flatteningToken);
compiledAction = queryExpression.Compile();
string cacheKey = GetCacheKey <Func <TSource, TDest> >(flatteningToken);
DelegateCache.TryAdd(cacheKey, compiledAction);
}
return(queryableSource.Select(compiledAction));
}
public TDest To <TDest>(string flatteningToken = null)
{
Func <TSource, TDest> compiledAction = GetCachedDelegate <TDest>(flatteningToken);
if (compiledAction == null)
{
Expression <Func <TSource, TDest> > queryExpression = GetCachedExpression <TDest>(flatteningToken) ?? BuildExpression <TDest>(flatteningToken);
compiledAction = queryExpression.Compile();
string key = GetCacheKey <Expression <Func <TSource, TDest> > >(flatteningToken);
DelegateCache.TryAdd(key, compiledAction);
}
return(compiledAction.Invoke(source));
}
public DelegateCache NextCacheNode(Type /*!*/ argType)
{
Assert.NotNull(argType);
DelegateCache nextCacheNode;
if (TypeChain == null)
{
TypeChain = new Dictionary <Type, DelegateCache>();
}
if (!TypeChain.TryGetValue(argType, out nextCacheNode))
{
nextCacheNode = new DelegateCache();
TypeChain[argType] = nextCacheNode;
}
return(nextCacheNode);
}
public DelegateCache GetNamedCache(object name)
{
var cache = this.NamedCache.GetOrDefaultByValue(name);
if (cache != null)
{
return(cache);
}
var newCache = new DelegateCache();
if (Swap.SwapValue(ref this.NamedCache, (t1, t2, t3, t4, items) =>
items.AddOrUpdate(t1, t2, false), name, newCache, Constants.DelegatePlaceholder, Constants.DelegatePlaceholder))
{
return(newCache);
}
return(this.NamedCache.GetOrDefaultByValue(name) ?? newCache);
}
public SingleMapper <TSrc, TDest> GetSingleMapper <TSrc, TDest>()
{
CompiledDelegate @delegate = null;
var key = new TypePair(typeof(TSrc), typeof(TDest));
DelegateCache.TryGetValue(key, out @delegate);
var mapMethod = @delegate?.SingleTyped as Func <TSrc, TDest, TDest>;
if (mapMethod == null)
{
throw new HappyMapperException(ErrorMessages.MissingMapping(key.SourceType, key.DestinationType));
}
var mapper = new SingleMapper <TSrc, TDest>(mapMethod);
return(mapper);
}
public IEnumerable <TDest> To <TDest>(IEnumerable <TDest> destination, string keyMemberName = null, string flatteningToken = null, bool clearCollections = false)
{
if (destination != null)
{
Delegate compiledAction = GetCachedActionOverQueryableDestination <TDest>(keyMemberName, clearCollections, flatteningToken);
if (compiledAction == null)
{
Expression <Action <TSource, TDest> > queryExpression = GetCachedExpressionOverDestination <TDest>(keyMemberName, clearCollections, flatteningToken) ?? BuildExpressionOverDestination <TDest>(clearCollections, keyMemberName, flatteningToken);
ParameterExpression srcMemberExp = Expression.Parameter(queryableSource.GetType(), name: "src");
ParameterExpression dstMemberExp = Expression.Parameter(destination.GetType(), name: "dst");
Expression projectEnumerableOverEnumerableExpression = ProjectEnumerableOverEnumerable(typeof(TSource),
typeof(TDest),
srcMemberExp,
dstMemberExp,
keyMemberName,
clearCollections,
flatteningToken,
new List <string>());
Type builtDelegateType = typeof(Action <,>).MakeGenericType(queryableSource.GetType(), destination.GetType());
LambdaExpression lambda = Expression.Lambda(builtDelegateType, projectEnumerableOverEnumerableExpression, srcMemberExp, dstMemberExp);
compiledAction = lambda.Compile();
string key = GetCacheKey <Delegate>(flatteningToken, keyMemberName, clearCollections);
DelegateCache.TryAdd(key, compiledAction);
}
compiledAction.DynamicInvoke(queryableSource, destination);
}
else
{
return(this.To <TDest>(flatteningToken));
}
return(destination);
}
/// <summary>
/// 按服务名称,随机返回一个服务地址
/// </summary>
/// <param name="serviceName"></param>
/// <param name="minute"></param>
/// <returns></returns>
public CatalogService GetServiceInfo(string serviceName, bool passingOnly = false, double minute = 0)
{
List <CatalogService> all;
if (minute > 0)
{
all = DelegateCache.Init("consulServiceCache", minute, () =>
{
return(GetService(serviceName, passingOnly));
});
}
else
{
all = GetService(serviceName, passingOnly);
}
if (all.Count == 0)
{
throw new Exception($"找不到可用的服务:{serviceName}");
}
int k = rng.Next(all.Count);
return(all[k]);
}
public SimpleHandlerDispatchDelegateCacheProvider()
{
Type bridgeType = typeof(BridgeType);
// PcTyped
MethodInfo callPcTypedEventSubscriber_mi = bridgeType.GetMethod("CallPcTypedEventSubscriber", BindingFlags.Instance | BindingFlags.NonPublic);
_callPcTypedEventSubsCache = new TwoTypesDelegateCache <CallPcTypedEventSubscriberDelegate>(callPcTypedEventSubscriber_mi);
// PcGen
MethodInfo callPcGenEventSubscriber_mi = bridgeType.GetMethod("CallPcGenEventSubscriber", BindingFlags.Instance | BindingFlags.NonPublic);
_callPcGenEventSubsCache = new DelegateCache <CallPcGenEventSubscriberDelegate>(callPcGenEventSubscriber_mi);
// PcObject
MethodInfo callPcObjEventSubscriber_mi = bridgeType.GetMethod("CallPcObjectEventSubscriber", BindingFlags.Instance | BindingFlags.NonPublic);
_callPcObjEventSubsCache = new DelegateCache <CallPcObjEventSubscriberDelegate>(callPcObjEventSubscriber_mi);
// PcStandard
MethodInfo callPcStEventSubscriber_mi = bridgeType.GetMethod("CallPcStEventSubscriber", BindingFlags.Instance | BindingFlags.NonPublic);
_callPcStEventSubsCache = new DelegateCache <CallPcStandardEventSubscriberDelegate>(callPcStEventSubscriber_mi);
// PcChanging
MethodInfo callPChangingEventSubscriber_mi = bridgeType.GetMethod("CallPChangingEventSubscriber", BindingFlags.Instance | BindingFlags.NonPublic);
_callPChangingEventSubsCache = new DelegateCache <CallPChangingEventSubscriberDelegate>(callPChangingEventSubscriber_mi);
// PropStoreNode Parent Changed
MethodInfo callPSNodeParentChangedEventSubscriber_mi = bridgeType.GetMethod("CallPSNodeParentChangedEventSubscriber", BindingFlags.Instance | BindingFlags.NonPublic);
_callPSParentNodeChangedEventSubsCache = new DelegateCache <CallPSParentNodeChangedEventSubDelegate>(callPSNodeParentChangedEventSubscriber_mi);
// Proxy -- Holds a copy of the original delegate but without the target.
_delegateProxyCache = new DelegateProxyCache();
}
private ResolutionScope(IResolverSelector resolverSelector, IExpressionBuilder expressionBuilder,
IContainerContext containerContext, IResolutionScope rootScope, IResolutionScope parent, DelegateCache delegateCache, object name = null)
: this(resolverSelector, expressionBuilder, containerContext, delegateCache, name)
{
this.RootScope = rootScope;
this.ParentScope = parent;
}
