Class AppRoot

The App Root is the entry point for all data. It takes it's data from a hidden AppState Cache. It's implemented as a DataSource so that other DataSources can easily attach to it.
This is also the object returned as the root in any query.

Inheritance
System.Object
ToSic.Lib.Services.ServiceBase
ToSic.Lib.Services.ServiceBase<ToSic.Eav.DataSource.DataSourceBase.MyServices>
DataSourceBase
AppRoot
Inherited Members
Namespace: ToSic.Eav.DataSources
Assembly: ToSic.Eav.DataSources.dll
Syntax
[InternalApi_DoNotUse_MayChangeWithoutNotice("this is just fyi")]
public class AppRoot : DataSourceBase, IAppIdentitySync, IAppRoot, IDataSource, IDataSourceLinkable, IAppIdentity, IZoneIdentity, IAppIdentityLight, ICacheInfo, ICacheKey, ICacheExpiring, ITimestamped, ICanPurgeListCache, IHasLog, IDataTarget

Properties

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CacheFullKey

Combination of the current key and all keys of upstream cached items, to create a long unique key for this context.

Declaration
public override string CacheFullKey { get; }
Property Value
Type Description
System.String

Full key containing own partial key and upstream keys.
Overrides
ToSic.Eav.DataSource.DataSourceBase.CacheFullKey
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CacheTimestamp

System time-stamp of when the data in this cached thing was initialized or updated. Depending on the implementation, this may go up-stream and return an up-stream value.

Declaration
public override long CacheTimestamp { get; }
Property Value
Type Description
System.Int64

A timestamp as a long number
Overrides
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Declaration
public override IDataSourceLink Link { get; }
Property Value
Type Description
IDataSourceLink
Overrides

Methods

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CacheChanged(Int64)

Detect if the cache has newer data. It's called using the TimeStamp of the dependent object which may still have old data.

Declaration
public override bool CacheChanged(long dependentTimeStamp)
Parameters
Type Name Description
System.Int64 dependentTimeStamp

New time stamp of a dependent object, which could have an older timestamp.
Returns
Type Description
System.Boolean

True if the timestamps differ, false if it's the same
Overrides
Remarks

This is implemented in each object, because sometimes it compares its own timestamp, sometimes that of another underlying object.

Implements