Implement ChangeTracker.Clear() to stop tracking all entities #21169
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AndriySvyryd
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Jun 8, 2020
AndriySvyryd
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Jun 8, 2020
Fixes #15577 This is an alternative to mass-detach for situations where creating a new context instance is difficult. The context configuration is not reset, since it seems likely that setting like lazy-loading and registered events are more useful left as they would be--just as is the case when doing mass-detach.
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/cc @JonPSmith - replacement for mass-detach. |
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Thanks @ajcvickers. I think this will be very useful in unit tests to simulate a disconnected update etc. Going to be much easier to add, which means it will be used more. Even I sometimes forget (or I'm in a rush to get it done) to separate the data setup stage from the test stage and therefore get incorrect test results. |
AndriySvyryd
reviewed
Jun 9, 2020
| /// <para> | ||
| /// This method should always be preferred over detaching every tracked entity. | ||
| /// Detaching entities is a slow process that may have side effects. | ||
| /// This method is much more efficient at clearing all tracked entities from the context. |
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We might also want to mention that it doesn't trigger the state changed event
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Fixes #15577
This is an alternative to mass-detach for situations where creating a new context instance is difficult.
The context configuration is not reset, since it seems likely that setting like lazy-loading and registered events are more useful left as they would be--just as is the case when doing mass-detach.