Create a sequence diagram showing the interactions of objects in a group diary system, when a group of people are arranging a meeting. Assume there are 3 participants in the meeting, one of whom is the meeting organizer. The organizer suggests a 'window in which the meeting should take place and the participants involved. The group diary communicates with the diaries of the participants in turn, modifying the window accordingly as there availability is known. So, if the organizer suggests a window of 18th-19th June, the group diary consults the organizer's diary (D1) and finds availability on these days. D2 is then contacted with that availability, not the original window. If there are no mutually available dates in the window, the system reports this to the organizer. Otherwise, a date is selected, entered in all diaries and confirmed to the organizer.

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
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Create a sequence diagram showing the interactions of objects in a group diary system, when a group of
people are arranging a meeting.
Assume there are 3 participants in the meeting, one of whom is the meeting organizer. The organizer suggests
a 'window in which the meeting should take place and the participants involved. The group diary
communicates with the diaries of the participants in turn, modifying the window accordingly as there
availability is known. So, if the organizer suggests a window of 18h-19th June, the group diary consults the
organizer's diary (D1) and finds availability on these days. D2 is then contacted with that availability, not the
original window.
If there are no mutually available dates in the window, the system reports this to the organizer. Otherwise, a
date is selected, entered in all diaries and confirmed to the organizer.
Transcribed Image Text:Create a sequence diagram showing the interactions of objects in a group diary system, when a group of people are arranging a meeting. Assume there are 3 participants in the meeting, one of whom is the meeting organizer. The organizer suggests a 'window in which the meeting should take place and the participants involved. The group diary communicates with the diaries of the participants in turn, modifying the window accordingly as there availability is known. So, if the organizer suggests a window of 18h-19th June, the group diary consults the organizer's diary (D1) and finds availability on these days. D2 is then contacted with that availability, not the original window. If there are no mutually available dates in the window, the system reports this to the organizer. Otherwise, a date is selected, entered in all diaries and confirmed to the organizer.
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