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Mastering Delphi Programming: A Complete Reference Guide
book

Mastering Delphi Programming: A Complete Reference Guide

by Primož Gabrijelčič
November 2019
Beginner to intermediate content levelBeginner to intermediate
674 pages
15h
English
Packt Publishing
Content preview from Mastering Delphi Programming: A Complete Reference Guide

Join

The next pattern I want to present is Join. This is a very simple pattern that starts multiple tasks in parallel. In the Parallel Programming Library, Join is implemented as a class method of the TParallel class. To execute three methods,  Task1, Task2, and Task3, in parallel, you simply call TParallel.Join with parameters collected in an array:

TParallel.Join([Task1, Task2, Task3]);

This is equivalent to the following implementation, which uses tasks:

var  tasks: array [1..3] of ITask;tasks[1] := TTask.Run(Task1);tasks[2] := TTask.Run(Task2);tasks[3] := TTask.Run(Task3);
Although the approaches work the same, that doesn't mean that Join is implemented in this way. Rather than that, it uses a pattern that I haven't yet covered, a parallel ...
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Publisher Resources

ISBN: 9781838989118Other