IBM ILOG Scheduler User's Manual > Getting Started with Scheduler > Using the Building Blocks

Using the Building Blocks

The first example in this chapter shows how the concepts of activity and of temporal constraint are used in Scheduler. It is organized, as are all examples in Part I, , around the problem of building a house--its foundation, masonry, roofing, painting, and so forth--with the obvious goal of scheduling the tasks to finish the entire house as quickly as possible. Some activities must necessarily take place before others, and that fact is expressed through precedence constraints.

The second example in the chapter shows how the concepts of unary resource and resource constraint are used in Scheduler. The example includes the same activities as the first, but adds a single worker who is required by all the activities.

Following our own guidelines for solving scheduling problems, we begin with a verbal description of the problem (see A Systematic Method for Solving Problems). Then we consider the model to represent it before we implement a solution.

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