Stage

Definition

Stage

a core abstract method component that models the intended timing of the performance of a temporally-cohesive set of work units during the enactment of a method

Classification

As illustrated in the preceding figure, Stage is part of the following inheritance hierarchy:

• Type: Abstract
• Superclass: Method Component
• Subclasses:
  • Stage With Duration:
    • Cycle:
      • Development Cycle
      • Life Cycle
    • Phase
    • Build
  • Stage Without Duration:
    • Milestone
    • Inch Pebble

Responsibilities

The typical responsibilities of a Stage are to:

• Provide an overall temporal organization to endeavors.
• Enable producers to formally identify both actual and intended:
  • Periods of time.
  • Points in time.

Guidelines

• Stage is an abstract class of process components; concrete subclasses must be used to create process components for a specific endeavor.