WaterStation Use Pattern

The WaterStation use pattern explains how the product is typically used in daily operation:

• Midgard is the site that has acquired a WaterStation for water dispensing.
• Thor is the user who needs water.
• Odin is Thor's manager.

Odin has sent Thor out to collect water from Midgard.

Prerequisites

Thor must be created as a customer at Midgard:

• Thor contacts Midgard to be created as a customer.
• Midgard creates Thor in a few minutes.
• Thor can now use, for example, his phone or an RFIDRFID access cards, credit cards, or key tags can be used with a key reader for access control. card for operation.

How Thor Opens the Water

1. Thor finds the WaterStation where water dispensing is needed.
2. Thor connects a hose, and the WaterStation is ready to open the water.
3. Thor presses the start button and waits for the ready signal.
4. Thor calls the phone number on the WaterStation or holds an RFIDRFID access cards, credit cards, or key tags can be used with a key reader for access control. card over the reader.
5. WaterStation approves Thor and opens the water.

When Thor closes the water, WaterStation sends Thor an SMSSMS is a text message that can be sent or received with a mobile phone. confirming the consumption that will later be invoiced.

How Thor Pays for the Water

1. WaterStation automatically registers the water consumption.
2. Midgard retrieves electronic settlement data and sends the invoice to Odin.

How Thor Can Use a Requisition Number

Thor has received a requisition number from Odin:

1. When Thor opens the water, Thor can send the requisition number to WaterStation by SMSSMS is a text message that can be sent or received with a mobile phone..
2. WaterStation stores the requisition number together with the consumption.
3. When Odin receives the invoice from Midgard, the invoice includes the requisition number.

Thor came home safely with plenty of water, and Odin paid the invoice a few days later.