public async Task <bool> PublishAsync <TEntity>(IServiceProvider serviceProvider, PersistentEventType eventType)
{
var _event = new EntityEventTypeArgs(eventType);
var subject = new PersistentSubject(typeof(TEntity), eventType, _event);
await subMgr.PublishAsync(subject);
return(!_event.Cancel);
}
public bool Publish <TEntity>(IServiceProvider serviceProvider, PersistentEventType eventType)
{
var _event = new EntityEventTypeArgs(eventType);
var subject = new PersistentSubject(typeof(TEntity), eventType, _event);
subMgr.Publish(subject);
AcceptForServiceProvider(serviceProvider, subject);
return(!_event.Cancel);
}
public async Task <bool> PublishAsync(IServiceProvider serviceProvider, IEntity entity, PersistentEventType eventType)
{
Guard.ArgumentNull(entity, nameof(entity));
var _event = new EntityEventArgs(entity, eventType);
var subject = new PersistentSubject(entity.EntityType, eventType, _event);
await subMgr.PublishAsync(subject);
await AcceptForServiceProviderAsync(serviceProvider, subject);
return(!_event.Cancel);
}
public bool Publish(IServiceProvider serviceProvider, IEntity entity, PersistentEventType eventType)
{
Guard.ArgumentNull(entity, nameof(entity));
var _event = new EntityEventArgs(entity, eventType);
var subject = new PersistentSubject(entity.EntityType, eventType, _event);
subMgr.Publish(subject);
AcceptForServiceProvider(serviceProvider, subject);
return(!_event.Cancel);
}
public async Task <bool> PublishAsync <TEntity>(IServiceProvider serviceProvider, IEnumerable <IEntity> entities, PersistentOperator operType, PersistentEventType eventType)
{
if (!entities.Any())
{
return(true);
}
var _event = new EntitiesArgs(entities, operType, eventType);
var subject = new PersistentSubject(typeof(TEntity), eventType, _event);
await subMgr.PublishAsync(subject);
await AcceptForServiceProviderAsync(serviceProvider, subject);
return(!_event.Cancel);
}
private void AcceptForServiceProvider(IServiceProvider serviceProvider, PersistentSubject subject)
{
#if NETSTANDARD
if (serviceProvider != null)
{
foreach (var sub in serviceProvider.GetService <IEnumerable <PersistentSubscriber> >())
{
sub.Accept(subject);
}
foreach (var sub in serviceProvider.GetService <IEnumerable <AsyncPersistentSubscriber> >())
{
sub.AcceptAsync(subject).AsSync();
}
}
#endif
}
public async Task <bool> PublishAsync(IServiceProvider serviceProvider, IEnumerable <IEntity> entities, PersistentOperator operType, PersistentEventType eventType)
{
IEntity first;
if ((first = entities.FirstOrDefault()) == null)
{
return(true);
}
var _event = new EntitiesArgs(entities, operType, eventType);
var entityType = first.EntityType;
var subject = new PersistentSubject(entityType, eventType, _event);
await subMgr.PublishAsync(subject);
await AcceptForServiceProviderAsync(serviceProvider, subject);
return(!_event.Cancel);
}
/// <summary>
/// 接收主题信息并进行处理。
/// </summary>
/// <param name="subject"></param>
public void Accept(PersistentSubject subject)
{
switch (subject.EventType)
{
case PersistentEventType.BeforeCreate:
{
if (subject.Argument is EntityEventArgs arg)
{
arg.Cancel = !OnBeforeCreate(arg.Entity);
}
}
break;
case PersistentEventType.AfterCreate:
{
if (subject.Argument is EntityEventArgs arg)
{
OnAfterCreate(arg.Entity);
}
}
OnCreate(subject.EntityType);
break;
case PersistentEventType.BeforeUpdate:
{
if (subject.Argument is EntityEventArgs arg)
{
arg.Cancel = !OnBeforeUpdate(arg.Entity);
}
}
break;
case PersistentEventType.AfterUpdate:
{
if (subject.Argument is EntityEventArgs arg)
{
OnAfterUpdate(arg.Entity);
}
}
OnUpdate(subject.EntityType);
break;
case PersistentEventType.BeforeRemove:
{
if (subject.Argument is EntityEventArgs arg)
{
arg.Cancel = !OnBeforeRemove(arg.Entity);
}
}
break;
case PersistentEventType.AfterRemove:
{
if (subject.Argument is EntityEventArgs arg)
{
OnAfterRemove(arg.Entity);
}
}
OnRemove(subject.EntityType);
break;
case PersistentEventType.BeforeBatch:
{
var arg = subject.Argument as EntitiesArgs;
arg.Cancel = !OnBeforeBatch(arg.Entities, arg.OperType);
}
break;
case PersistentEventType.AfterBatch:
{
var arg = subject.Argument as EntitiesArgs;
OnAfterBatch(arg.Entities, arg.OperType);
switch (arg.OperType)
{
case PersistentOperator.Create:
OnCreate(subject.EntityType);
break;
case PersistentOperator.Update:
OnUpdate(subject.EntityType);
break;
case PersistentOperator.Remove:
OnRemove(subject.EntityType);
break;
}
}
break;
}
}
/// <summary>
/// 接收主题信息并进行处理。
/// </summary>
/// <param name="subject"></param>
public async Task AcceptAsync(PersistentSubject subject)
{
switch (subject.EventType)
{
case PersistentEventType.BeforeCreate:
{
if (subject.Argument is EntityEventArgs arg)
{
arg.Cancel = !await OnBeforeCreateAsync(arg.Entity);
}
}
break;
case PersistentEventType.AfterCreate:
{
if (subject.Argument is EntityEventArgs arg)
{
await OnAfterCreateAsync(arg.Entity);
}
}
await OnCreateAsync(subject.EntityType);
break;
case PersistentEventType.BeforeUpdate:
{
if (subject.Argument is EntityEventArgs arg)
{
arg.Cancel = !await OnBeforeUpdateAsync(arg.Entity);
}
}
break;
case PersistentEventType.AfterUpdate:
{
if (subject.Argument is EntityEventArgs arg)
{
await OnAfterUpdateAsync(arg.Entity);
}
}
await OnUpdateAsync(subject.EntityType);
break;
case PersistentEventType.BeforeRemove:
{
if (subject.Argument is EntityEventArgs arg)
{
arg.Cancel = !await OnBeforeRemoveAsync(arg.Entity);
}
}
break;
case PersistentEventType.AfterRemove:
{
if (subject.Argument is EntityEventArgs arg)
{
await OnAfterRemoveAsync(arg.Entity);
}
}
await OnRemoveAsync(subject.EntityType);
break;
case PersistentEventType.BeforeBatch:
{
var arg = subject.Argument as EntitiesArgs;
arg.Cancel = !await OnBeforeBatchAsync(arg.Entities, arg.OperType);
}
break;
case PersistentEventType.AfterBatch:
{
var arg = subject.Argument as EntitiesArgs;
await OnAfterBatchAsync(arg.Entities, arg.OperType);
switch (arg.OperType)
{
case PersistentOperator.Create:
await OnCreateAsync(subject.EntityType);
break;
case PersistentOperator.Update:
await OnUpdateAsync(subject.EntityType);
break;
case PersistentOperator.Remove:
await OnRemoveAsync(subject.EntityType);
break;
}
}
break;
}
}
