Execution Engine

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Revision as of 12:34, 10 February 2010 by Giorgos.papanikos (Talk | contribs) (Execution Plan)

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Execution Plan

For a client of the ExecutionEngine to be able to formally describe the plan that he wants to execute, the constructs offered by the Execution Plan are used. These constructs have the following main pillars.

  • Execution Plan Configuration
    Every plan is potentially one execution unit for the execution engine. Each plan while executing can request different parametrization.
  • Execution Plan Variables
    Tha variables defined in a plan are the common data placeholders through which the elements of the plan exchange data.
  • Plan Execution Tree
    The plan hierarchy is composed of a number of elements that control the flow and the actions of the plan