Separate Sequencing from Scheduling

SecurityCheckpoint

JournalEntry

Creates

5

1

*

Printer

Uses

4

*

1

3

Prints

Scheduler

5

Schedules-Journal-Entries-

to-be-printed

1

*

Ğinterfaceğ

ScheduleOrdering

scheduleBefore(:ScheduleOrdering):boolean

1

1

5

Schedules-ScheduleOrdering-

Objects-for-Processing

1

*

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