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How to get all reservations

Solved957 views22nd November 2023Reservations SRM SRM Booking Manager
1
Vish Arivalagan [DevOps Advocate]116 22nd November 2023 0 Comments

Hi Dojo,

How can I retrieve all reservations? And separately, how can I define a filter by either the Status prop or the Booking Life Cycle status?

Can’t seem to pass in a null filter value to `SrmManagers.ResourceManager.GetReservationInstances()`, so is there a suggested way to retrieve all of them without me resorting to supplying `ReservationInstanceExposers.End.GreaterThan(new DateTime(1970, 1, 1))`.

I can’t seem to find adequate documentation on the ReservationInstanceExposers class.

Thanks

Vish Arivalagan [DevOps Advocate] Selected answer as best 22nd November 2023

2 Answers

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Tom Waterbley [SLC] [DevOps Catalyst]8.89K Posted 22nd November 2023 2 Comments

Hi Vish,

All reservations can be retrieved by providing a TrueFilterElement as filter:

var reservations = SrmManagers.ResourceManager.GetReservationInstances(new TRUEFilterElement<ReservationInstance>());

Would use this very carefully though, because on bigger systems, retrieving all reservations without filter could cause performance issues.

Regarding your second question to filter on booking status and life cycle status, that can be done as follows:

var filter1 = ReservationInstanceExposers.Status.Equal((int)ReservationStatus.Ongoing);

var filter2 = ReservationInstanceExposers.Properties.StringField(“Booking Life Cycle”).Equal(“Service Active”);

var combinedFilter = new ANDFilterElement<ReservationInstance>(filter1, filter2);

Tom Waterbley [SLC] [DevOps Catalyst] Posted new comment 22nd November 2023
Vish Arivalagan [DevOps Advocate] commented 22nd November 2023

Thanks Tom, that’ll do the trick.

Additionally, would you know how to filter by either the reservation instance’s Status prop or the Booking Life Cycle status?

EDIT: actually had a look at existing SRM scripts and found a filter by the Status prop
FilterElement filter = ReservationInstanceExposers.Status.Equal((int)ReservationStatus.Ongoing);

Unlikely I’ll need to filter by booking lifecycle status, but if there is a way, I’d be curious to know how?

Tom Waterbley [SLC] [DevOps Catalyst] commented 22nd November 2023

Sure, I’ve updated my answer.

0
Kevin Vermeulen [SLC] [DevOps Member]552 Posted 22nd November 2023 0 Comments

Hi Vish,

I found another example on

SRM code snippets | DataMiner Docs

Where it makes use of the ResourceManagerHelper.

Still not all of them can be retreived, but if you know the guid  of the reservation then you can retreive some and add them to an array or list for example.

private ReservationInstance RetrieveReservationInstance(Guid id) { // Retrieve the ReservationInstance using its ID var filter = ReservationInstanceExposers.ID.Equal(id); return _helper.GetReservationInstances(filter).FirstOrDefault(); }

Kevin Vermeulen [SLC] [DevOps Member] Answered question 22nd November 2023
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