1) What is the scenario shown in the diagram ? 2) How many number of messages are sent and received by the Hotel Object ? 3) What happens when room isavailable? 4) How many number of synchronous messages are shown ? 5)How many number of asynchronous messages are shown ? 6)How many number of self messages are shown ? 7)How many number of reply messages are shown ?
1) What is the scenario shown in the diagram ? 2) How many number of messages are sent and received by the Hotel Object ? 3) What happens when room isavailable? 4) How many number of synchronous messages are shown ? 5)How many number of asynchronous messages are shown ? 6)How many number of self messages are shown ? 7)How many number of reply messages are shown ?
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
Related questions
Question
1) What is the scenario shown in the diagram ?
2) How many number of messages are sent and received by the Hotel Object ?
3) What happens when room isavailable?
4) How many number of synchronous messages are shown ?
5)How many number of asynchronous messages are shown ?
6)How many number of self messages are shown ?
7)How many number of reply messages are shown ?
![Hotel
Rooms
customer
1: Check in
1.1: Ask details
2: Submit Details
2.1: Accept and record
alt
2.2: Check availabiliy
[Room Available]
2.2.1: Available
2.2.1.1: Room is allocated
[Room Not Available]
2.2.2: Not avilable
2.2.2.1: Not avilable
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Transcribed Image Text:Hotel
Rooms
customer
1: Check in
1.1: Ask details
2: Submit Details
2.1: Accept and record
alt
2.2: Check availabiliy
[Room Available]
2.2.1: Available
2.2.1.1: Room is allocated
[Room Not Available]
2.2.2: Not avilable
2.2.2.1: Not avilable
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