public void RunTest1()
{
// add task to cache
RemoteTask remoteTask1 = new RemoteTask()
{
id = Guid.NewGuid(), name = "task1", completed = false
};
_remoteTasksCache.AddOrUpdate(remoteTask1);
// update task
remoteTask1.completed = true;
_remoteTasksCache.AddOrUpdate(remoteTask1);
// ExpireAfter seems only to work when all caches meet the remove function condition
// if one return null (no expiry), no cache will be deleted (bug?)
// this behavior can be reproduced by commenting out
// remoteTask1.completed = true;
var _remover = _remoteTasksCache.ExpireAfter(RemoveFunc, Scheduler.Default).Subscribe();
// task2
RemoteTask remoteTask2 = new RemoteTask()
{
id = Guid.NewGuid(), name = "task2", completed = true
};
_remoteTasksCache.AddOrUpdate(remoteTask2);
}
public TodoCache(ILogger logger, TimeSpan?expireAfter = null, int?limitSizeTo = null)
{
this.logger = logger;
this.SourceCache = new SourceCache <TodoDto, int>(t => t.Id);
// Expiration time
if (expireAfter.HasValue)
{
SourceCache.ExpireAfter(u => expireAfter.Value, TimeSpan.FromSeconds(expireAfter.Value.TotalSeconds / 10))
.Subscribe(x => logger.LogInformation("SourceCache Expiration: {0} filled trades have been removed from memory", x.Count()));
}
// Limit size
if (limitSizeTo.HasValue)
{
SourceCache.LimitSizeTo(limitSizeTo.Value)
.Subscribe(x => logger.LogInformation("SourceCache LimitSize: {0} filled trades have been removed from memory", x.Count()));
}
// Shared object
SharedCache = SourceCache.Connect()
.WhereReasonsAre(ChangeReason.Add, ChangeReason.Moved, ChangeReason.Refresh, ChangeReason.Update, ChangeReason.Remove)
.Transform(w => new DataTracker <TodoDto>(w, null))
.ForEachChange(e =>
{
e.Current.Reason = e.Reason;
e.Current.Updated = DateTime.Now;
})
.AsObservableCache();
}