public override bool ProcessSource()
{
var metadata = DefineMetadata;
Invocation.Proceed();
ICache queryCache = RepositoryFramework.GetCacherForQuery(metadata);
ICache cache = RepositoryFramework.GetCacher(metadata);
//IList接口
PagingResult <TEntity> paging = (PagingResult <TEntity>)Invocation.ReturnValue;
var ta = TypeAccessor.GetAccessor(metadata.EntityType);
var idGetter = ta.GetPropertyGetter(metadata.IdMember.Name);
var spec = (ISpecification <TEntity>)Invocation.Arguments[0];
if (spec == null)
{
throw new ArgumentException("第一个参数类型必须为 ISpecification<TEntity>");
}
//加入缓存
cache.SetBatch(paging.Items.Cast <object>().Select(o => new CacheItem <object>(metadata.GetCacheKey(o), metadata.CloneEntity(o))), 1200);
queryCache.Set(CacheKey, new PagingCacheData(paging.Items.Select(o => idGetter(o)))
{
ShardParams = spec.ShardParams,
TotalCount = paging.TotalCount
});
return(true);
}
bool IsCacheValid(ClassDefineMetadata metadata, IQueryTimestamp cacheData)
{
ICache dependCache = RepositoryFramework.GetCacher(metadata, "cache:region");
var values = dependCache.GetBatch <long>(regions.Select(o => o.CacheKey));
return(values.Count() == 0 || values.All(o => o < cacheData.Timestamp));
}
public override bool ProcessSource()
{
var metadata = DefineMetadata;
Invocation.Proceed();
ICache queryCache = RepositoryFramework.GetCacherForQuery(metadata);
ICache cache = RepositoryFramework.GetCacher(metadata);
//IList接口
TEntity item = (TEntity)Invocation.ReturnValue;
if (item != null)
{
var ta = TypeAccessor.GetAccessor(metadata.EntityType);
var idGetter = ta.GetPropertyGetter(metadata.IdMember.Name);
var spec = (ISpecification <TEntity>)Invocation.Arguments[0];
if (spec == null)
{
throw new ArgumentException("第一个参数类型必须为 ISpecification<TEntity>");
}
//加入缓存
cache.Set(metadata.GetCacheKey(item), metadata.CloneEntity(item), 1200);
queryCache.Set(CacheKey, new ListCacheData(new object[] { idGetter(item) })
{
ShardParams = spec.ShardParams
});
}
return(item != null);
}
void CheckCacheRegion <TRegionEntity>(CacheRegion region)
{
var entityType = typeof(TRegionEntity);
var metadata = RepositoryFramework.GetDefineMetadataAndCheck(entityType);
metadata.CheckCacheRegions(new CacheRegion[] { region });
}
public object Poco(object entity, Func <object, object> subPocoHandler)
{
var metadata = RepositoryFramework.GetDefineMetadata(entity.GetType());
var pa = PropertyAccessorFactory.GetPropertyAccess(metadata.EntityType);
var poco = entity;
var pocoed = false;
if (ProxyProvider.IsProxy(entity) && metadata.ClassJoinDefines.Count > 0)
{
poco = pa.CreateInstance();
metadata.MergeData(entity, poco);
pocoed = true;
}
foreach (var property in metadata.CascadeProperties)
{
var value = pa.GetGetter(property.Name).Get(entity);
if (value != null)
{
var valuePoco = subPocoHandler(value);
if (valuePoco != value || pocoed)
{
pa.GetSetter(property.Name).Set(poco, valuePoco);
}
}
}
return(poco);
}
public object Proxy(object entity, Func <object, object> subProxyHandler)
{
var metadata = RepositoryFramework.GetDefineMetadata(entity.GetType());
var proxy = entity;
var proxyed = false;
if (!ProxyProvider.IsProxy(entity) && metadata.ClassJoinDefines.Count > 0)
{
proxy = ProxyProvider.CreateEntityProxy(metadata.EntityType);
metadata.MergeData(entity, proxy);
proxyed = true;
}
var pa = PropertyAccessorFactory.GetPropertyAccess(metadata.EntityType);
foreach (var property in metadata.CascadeProperties)
{
if (EntityInterceptor.PropertyInited(entity, property.Name))
{
var value = pa.GetGetter(property.Name).Get(entity);
if (value != null)
{
var valueProxy = subProxyHandler(value);
if (valueProxy != value || proxyed)
{
pa.GetSetter(property.Name).Set(proxy, valueProxy);
}
}
}
}
return(proxy);
}
internal static void Proxy(object instance)
{
if (instance == null)
{
throw new ArgumentNullException("instance");
}
var type = instance.GetType();
if (EntityUtil.IsPagingResult(type))
{
var ta = TypeAccessor.GetAccessor(type);
IEnumerable items = (IEnumerable)ta.GetProperty("Items", instance);
foreach (var item in items)
{
Proxy(item);
}
}
else if (EntityUtil.IsGenericList(type))
{
IEnumerable items = (IEnumerable)instance;
foreach (var item in items)
{
Proxy(item);
}
}
else if (RepositoryFramework.GetDefineMetadata(type) != null)
{
ProxyJoins(instance);
}
}
/// <summary>
/// 引发数据变更的操作，通过改操作可以进行缓存及缓存依赖的通知
/// </summary>
/// <param name="entity"></param>
public static void RaisePersistent(object entity)
{
if (entity == null)
{
throw new ArgumentNullException("entity");
}
var metadata = GetDefineMetadata(entity.GetType());
if (metadata == null)
{
throw new PlatformException("无法获取对象的定义 {0}", entity.GetType().FullName);
}
// 如果启用缓存，则通知过期
if (metadata.IsCacheable)
{
var cacheKey = metadata.GetCacheKey(entity);
ICache cache = GetCacher(metadata);
cache.Remove(metadata.EntityType, cacheKey);
}
// 更新依赖缓存的时间戳
var depends = metadata.GetCacheRegionKeys(entity);
if (depends.Count > 0)
{
var time = NetworkTime.Now.Ticks;
ICache dependCache = RepositoryFramework.GetCacherForCacheRegion();
var items = depends.Select(o => new CacheItem <long>(o, time)).ToList();
dependCache.SetBatch(items, DateTime.MaxValue);
}
}
static void Fetch(object entity, Func <object, bool> cancelFetchFunc)
{
if (entity == null)
{
return;
}
var type = entity.GetType();
var metadata = RepositoryFramework.GetDefineMetadata(type);
if (metadata != null)
{
if (metadata.FetchableObject != null)
{
(metadata.FetchableObject).Fetch(entity);
}
var joins = metadata.ClassJoinDefines.Values.Cast <ClassJoinDefineMetadata>().Where(o => o.JoinType == MethodJoinType.PropertyGet);
var ta = TypeAccessor.GetAccessor(metadata.EntityType);
foreach (var join in joins)
{
var value = ta.GetProperty(join.JoinName, entity);
if (cancelFetchFunc != null && cancelFetchFunc(value))
{
return;
}
var entityType = join.Method.ReturnType;
if (EntityUtil.IsGenericList(entityType))
{
var items = (IList)value;
for (var i = 0; i < items.Count; i++)
{
var v = items[i];
var sv = GetSource(v);
Fetch(sv, cancelFetchFunc);
if (sv != v)
{
items[i] = sv;
}
}
}
else
{
var sv = GetSource(value);
Fetch(sv, cancelFetchFunc);
if (value != sv)
{
ta.SetProperty(join.JoinName, entity, sv);
}
}
}
}
}
ClassDefineMetadata GetClassDefineMetadata(object entity)
{
if (entity != null)
{
return(RepositoryFramework.GetDefineMetadata(entity.GetType()));
}
return(null);
}
public static IPersister CreatePersister(IInvocation invocation, ClassDefineMetadata metadata)
{
DataSourcePersister dataSource = new DataSourcePersister(invocation, null);
SecondLevelPersister secondLevel = new SecondLevelPersister(metadata, RepositoryFramework.GetCacher(metadata), dataSource);
SessionPersister session = new SessionPersister(SessionCache.Current, secondLevel);
return(session);
}
static IEnumerable <IClassJoinCascadeProcessor> GetCascadeProcessors(Type type)
{
var metadata = RepositoryFramework.GetDefineMetadata(type);
if (metadata == null)
{
throw new ArgumentNullException("metadata");
}
return(metadata.ClassJoinDefines.Where(o => o.Value.JoinType == MethodJoinType.PropertyGet && o.Value.JoinCascade.CascataType != CascadeType.None)
.Select(o => o.Value.JoinCascade.Processor));
}
public static object GetId(object entity)
{
if (entity == null)
{
throw new ArgumentNullException("entity");
}
var metadata = RepositoryFramework.GetDefineMetadataAndCheck(entity.GetType());
var ta = TypeAccessor.GetAccessor(metadata.EntityType);
return(ta.GetProperty(metadata.IdMember.Name, entity));
}
public void Fetch(object entity, Action <object> subFetchHandler)
{
var metadata = RepositoryFramework.GetDefineMetadata(entity.GetType());
var pa = PropertyAccessorFactory.GetPropertyAccess(metadata.EntityType);
foreach (var property in metadata.CascadeProperties)
{
var value = pa.GetGetter(property.Name).Get(entity);
if (value != null)
{
subFetchHandler(value);
}
}
}
public void SetRegions(List <CacheRegion> regions)
{
this.regions = regions;
//验证缓存区域设置
foreach (var region in regions)
{
var metadata = RepositoryFramework.GetDefineMetadata(region.EntityType);
if (metadata == null)
{
throw new NotSupportedException(String.Format("类型 {0} 未进行定义，因此无法实现仓储扩展。", region.EntityType.FullName));
}
metadata.CheckCacheRegions(new[] { region });
}
}
public void Intercept(IInvocation invocation)
{
var methodName = invocation.Method.Name;
bool skip = methodName == "OpenSession" || methodName == "GetShardParams" || methodName == "CreateSpecification";
if (!skip && (methodName == "GetList" || methodName == "Get"))
{
var arguments = invocation.Method.GetParameters();
skip = arguments.Length != 2 || arguments[0].ParameterType != typeof(ShardParams);
}
if (!skip)
{
ProfilerContext.BeginWatch(invocation.TargetType.FullName + "." + invocation.Method.Name);
}
try
{
var entityType = ReflectionHelper.GetEntityTypeFromRepositoryType(invocation.TargetType);
var metadata = RepositoryFramework.GetDefineMetadata(entityType);
if (metadata != null)
{
var mi = invocations.FirstOrDefault(o => o.IsMatch(invocation));
if (mi != null)
{
mi.Process(invocation, metadata);
ProxyEntity(invocation);
return;
}
}
if (skip)
{
invocation.Proceed();
}
else
{
using (MonitorContext.Repository(invocation.Method))
invocation.Proceed();
}
ProxyEntity(invocation);
}
finally
{
if (!skip)
{
ProfilerContext.EndWatch();
}
}
}
bool IsIdentityExpression(Expression <Func <TJoin, bool> > expression, out object value)
{
value = null;
var metadata = RepositoryFramework.GetDefineMetadata(typeof(TJoin));
if (metadata == null || metadata.IdMember == null)
{
return(false);
}
var valider = new IdentityExpressionValider(metadata.IdMember, expression);
value = valider.Value;
return(valider.IsValid);
}
public void Intercept(IInvocation invocation)
{
var entityType = ReflectionHelper.GetEntityTypeFromRepositoryType(invocation.TargetType);
var metadata = RepositoryFramework.GetDefineMetadata(entityType);
if (metadata == null)
{
throw new NotSupportedException(String.Format("类型 {0} 未进行定义，因此无法实现仓储扩展。", entityType.FullName));
}
foreach (var type in providers)
{
AbstractCacheableRepositoryProvider <T> provider = (AbstractCacheableRepositoryProvider <T>)Projects.Tool.Reflection.FastActivator.Create(type);
provider.Invocation = invocation;
if (provider.IsMatch())
{
provider.CacheKey = cacheKey;
var regionStr = String.Join(",", regions.Select(o => o.CacheKey));
var cacheData = provider.GetCacheData();
if (cacheData != null && IsCacheValid(metadata, cacheData))
{
log.DebugFormat("{0}.{1} query cache hit. #{2}", invocation.Method.DeclaringType.ToPrettyString(), invocation.Method.Name, provider.CacheKey);
if (ProfilerContext.Current.Enabled)
{
ProfilerContext.Current.Trace("platform", String.Format("hit {1}\r\n{0}", ProfilerUtil.JsonFormat(provider.CacheKey), regionStr));
}
//处理缓存
using (MonitorContext.Repository(invocation.Method, true))
provider.ProcessCache(cacheData);
return;
}
//处理原始
var hasSource = provider.ProcessSource();
log.DebugFormat("{0}.{1} query cache missing. #{2}", invocation.Method.DeclaringType.ToPrettyString(), invocation.Method.Name, provider.CacheKey);
if (ProfilerContext.Current.Enabled)
{
ProfilerContext.Current.Trace("platform", String.Format("missing {1}{2}\r\n{0}", ProfilerUtil.JsonFormat(provider.CacheKey), regionStr, hasSource ? "" : " for null"));
}
return;
}
}
invocation.Proceed();
}
public static object CreateEntityProxy(Type entityType)
{
ClassDefineMetadata metadata = RepositoryFramework.GetDefineMetadataAndCheck(entityType);
return(CreateProxy(entityType, metadata));
//var ei = new EntityInterceptor(metadata);
//ProxyGenerationOptions options = new ProxyGenerationOptions(new InnerHook(metadata));
////var t = generator.ProxyBuilder.CreateClassProxyType(entityType,new Type[0], options);
////
//var proxy = generator.CreateClassProxy(entityType, options, ei);
//ei.Inited = true;
//return proxy;
}
public void Process(IInvocation invocation, ClassDefineMetadata metadata)
{
if (metadata == null)
{
throw new ArgumentNullException("metadata");
}
if (metadata.IsCacheable)
{
var cacheKey = metadata.GetCacheKeyById(invocation.Arguments[1]);
ICache cache = RepositoryFramework.GetCacher(metadata);
//CacheData value = cache.Get(cacheKey);
var value = cache.Get(metadata.EntityType, cacheKey);
if (value == null)
{
// 调用源接口，并将结果写入缓存
using (MonitorContext.Repository(invocation.Method))
invocation.Proceed();
var entity = invocation.ReturnValue;
if (entity != null)
{
cache.Set(cacheKey, metadata.CloneEntity(entity));
}
if (ProfilerContext.Current.Enabled)
{
ProfilerContext.Current.Trace("platform", String.Format("missing get{1}\r\n{0}", cacheKey, entity == null ? " for null" : ""));
}
}
else
{
//if (ProfilerContext.Current.Enabled)
// ProfilerContext.Current.Trace("platform", String.Format("hit get\r\n{0}", cacheKey));
//invocation.ReturnValue = value.Convert(metadata.EntityType);
using (MonitorContext.Repository(invocation.Method, true))
{
}
invocation.ReturnValue = value;
}
}
else
{
using (MonitorContext.Repository(invocation.Method))
invocation.Proceed();
}
}
public void Process(IInvocation invocation, ClassDefineMetadata metadata)
{
if (metadata == null)
{
throw new ArgumentNullException("metadata");
}
var entity = invocation.Arguments[0];
if (entity == null)
{
throw new ArgumentNullException("entity");
}
var interceptors = RepositoryFramework.GetInterceptors(metadata.EntityType);
//invoke pre event
var preUr = new UniqueRaise(GetRaiseType(invocation, true), metadata, entity, false);
var postUr = new UniqueRaise(GetRaiseType(invocation, false), metadata, entity, false);
//invoke cascade delete or update
var preRaiseType = GetRaiseType(invocation, true);
if (preRaiseType == RaiseType.PreDelete || preRaiseType == RaiseType.PreUpdate)
{
Cascade(invocation, entity);
}
RepositoryFramework.Raise(entity, preRaiseType, preUr);
using (MonitorContext.Repository(invocation.Method))
invocation.Proceed();
//invoke post event
var postRaiseType = GetRaiseType(invocation, false);
RepositoryFramework.Raise(entity, postRaiseType, postUr);
//invoke cascade create
if (postRaiseType == RaiseType.PostCreate)
{
Cascade(invocation, entity);
}
preUr.Dispose();
postUr.Dispose();
}
public override bool ProcessSource()
{
var metadata = DefineMetadata;
Invocation.Proceed();
ICache cache = RepositoryFramework.GetCacher(DefineMetadata);
object data = Invocation.ReturnValue;
if (data != null)
{
cache.Set(CacheKey, new QueryCacheData()
{
Data = data
});
}
return(data != null);
}
public static TJoin GetJoin <TJoin>(object entity, Expression <Func <TJoin> > memberExpr)
{
if (entity == null)
{
throw new ArgumentNullException("entity");
}
var metadata = RepositoryFramework.GetDefineMetadata(entity.GetType());
var method = ReflectionHelper.GetMethod(memberExpr.Body);
var joinDefine = metadata.GetClassJoinDefineMetadata(method);
if (joinDefine == null)
{
throw new PlatformException("类型 {1} 方法 {0} 未进行关联的定义。", method.Name, method.DeclaringType.FullName);
}
return((TJoin)joinDefine.DataProcesser.Process(entity));
}
public static object GetId(object entity)
{
if (entity == null)
{
throw new ArgumentNullException("entity");
}
var entityType = entity.GetType();
var metadata = RepositoryFramework.GetDefineMetadata(entityType);
if (metadata == null)
{
throw new ArgumentNullException("metadata");
}
var pa = GetPropertyAccess(metadata.EntityType);
return(pa.GetGetter(metadata.IdMember.Name).Get(entity));
}
internal static void ProxyJoins(object entity)
{
ClassDefineMetadata metadata = RepositoryFramework.GetDefineMetadataAndCheck(entity.GetType());
var joins = metadata.ClassJoinDefines.Values.Cast <ClassJoinDefineMetadata>().Where(o => o.JoinType == MethodJoinType.PropertyGet);
var ta = TypeAccessor.GetAccessor(metadata.EntityType);
foreach (var join in joins)
{
var value = ta.GetProperty(join.JoinName, entity);
//已经为代理对象，直接忽略
if (IsProxy(value))
{
((IProxy)value).Reset();
continue;
}
var type = join.Method.ReturnType;
if (EntityUtil.IsGenericList(type))
{
var itemType = type.GetGenericArguments()[0];
var proxyType = typeof(ProxyCollection <>).MakeGenericType(itemType);
IProxyCollection proxy = (IProxyCollection)FastActivator.Create(proxyType);
proxy.Init(entity, join);
ta.SetProperty(join.JoinName, entity, proxy);
}
else
{
var ei = new EntityProxyInterceptor(entity, join);
var proxy = ProxyProvider.GetCreateFunc(type)(new IInterceptor[] { ei });
ei.IsConstructed = true;
ta.SetProperty(join.JoinName, entity, proxy);
}
}
}
bool CheckEntity(TKey key, IQueryTimestamp data)
{
if (data == null)
{
return(true);
}
var cdd = new CacheDependDefine();
dependAction(cdd, key);
var keys = cdd.GetCacheKey();
ICache dependCache = RepositoryFramework.GetCacherForCacheRegion();
var values = dependCache.GetBatch <long>(keys);
var isValid = values.Count() == 0 || values.All(o => o < data.Timestamp);
if (!isValid)
{
RemoveCache(key);
}
return(isValid);
}
public static void Fetch(object entity)
{
if (entity == null)
{
return;
}
var type = entity.GetType();
var metadata = RepositoryFramework.GetDefineMetadata(type);
if (metadata != null)
{
if (metadata.FetchableObject != null)
{
metadata.FetchableObject.Fetch(entity);
Fetch(entity, metadata.FetchableObject.CheckFetchCancel);
}
else
{
Fetch(entity, null);
}
}
}
internal static object Raise(object entity, RaiseType raiseType, UniqueRaise ur = null)
{
if (entity == null)
{
throw new ArgumentNullException("entity");
}
var metadata = GetDefineMetadata(entity.GetType());
if (metadata == null)
{
throw new PlatformException("无法获取对象的定义 {0}", entity.GetType().FullName);
}
var interceptors = RepositoryFramework.GetInterceptors(metadata.EntityType);
if (ur == null)
{
ur = new UniqueRaise(raiseType, metadata, entity, true);
}
if (ur.NotRaised)
{
foreach (var interceptor in interceptors)
{
switch (raiseType)
{
case RaiseType.PreCreate:
interceptor.PreCreate(entity);
break;
case RaiseType.PreUpdate:
interceptor.PreUpdate(entity);
break;
case RaiseType.PreDelete:
interceptor.PreDelete(entity);
break;
case RaiseType.PostCreate:
interceptor.PostCreate(entity);
break;
case RaiseType.PostUpdate:
interceptor.PostUpdate(entity);
break;
case RaiseType.PostDelete:
interceptor.PostDelete(entity);
break;
case RaiseType.PostLoad:
interceptor.PostLoad(entity);
break;
}
}
}
if (ur.NotRaised && ur.AutoDisposed)
{
ur.Dispose();
}
return(entity);
}
public override IQueryTimestamp GetCacheData()
{
return(RepositoryFramework.GetCacher(DefineMetadata).Get <QueryCacheData>(CacheKey));
}
public void Process(IInvocation invocation, ClassDefineMetadata metadata)
{
if (metadata == null)
{
throw new ArgumentNullException("metadata");
}
if (metadata.IsCacheable)
{
IEnumerable ids = (IEnumerable)invocation.Arguments[1];
var cache = RepositoryFramework.GetCacher(metadata);
var idKeys = ids.Cast <object>().Distinct().Select(o => new IdKey(o, metadata.GetCacheKeyById(o)));
//访问缓存并获取不在缓存中的 CacheKey
IEnumerable <string> missing;
//var cacheItems = cache.GetBatch<CacheData>(idKeys.Select(o => o.Key), out missing).Select(o => o.Convert(metadata.EntityType)).ToList();
var cacheItems = cache.GetBatch(metadata.EntityType, idKeys.Select(o => o.Key), out missing).Cast <object>().ToList();
if (missing.Count() > 0)
{
var missIds = missing.Select(o => idKeys.First(ik => ik.Key == o).Id);
invocation.SetArgumentValue(1, missIds);
using (MonitorContext.Repository(invocation.Method))
invocation.Proceed();
var sourceItems = ((IEnumerable)invocation.ReturnValue).Cast <object>();
cacheItems.AddRange(sourceItems);
if (sourceItems.Count() > 0)
{
//加入缓存
cache.SetBatch(sourceItems.Select(o => new CacheItem <object>(metadata.GetCacheKey(o), metadata.CloneEntity(o))), 1200);
}
else
{
if (ProfilerContext.Current.Enabled)
{
ProfilerContext.Current.Trace("platform", String.Format("missing get list for null\r\n{0}", String.Join(",", missing)));
}
}
}
else
{
using (MonitorContext.Repository(invocation.Method, true))
{
}
}
var ta = TypeAccessor.GetAccessor(metadata.EntityType);
var idGetter = ta.GetPropertyGetter(metadata.IdMember.Name);
//按ID排序并进行类型转化
invocation.ReturnValue = cacheItems
.OrderBy(entity => idGetter(entity), ids.Cast <object>())
.Cast(metadata.EntityType);
//按ID排序并进行类型转化
invocation.ReturnValue = cacheItems
.OrderBy(entity => idGetter(entity), ids.Cast <object>())
.Cast(metadata.EntityType);
}
else
{
using (MonitorContext.Repository(invocation.Method))
invocation.Proceed();
}
}
