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Activities

~* Add Project
~
~ Only applies when adding project from a URL.
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~** Actions
~
~ 1 Download metadata and any referenced metadata
~ 1 For each project, store project
~ 1 For each project, add project to the

* Build Project

** Actions

 * Update Project From SCM
 * Update Project Metadata From Working Directory
 * Execute Builder

Actions

* Check Out Project

** Input

 * Project id
 * Working directory (optional)

** Steps

 1 Checks out the project from SCM
 1 Stores the check out result
 1 Sets the project state to checked out

* Update Project From SCM

** Input

 * Project id

** Steps

 1 Set the project state to "updating"
   NOTE: This should be somewhere else as it is another atomic operation.
 1 Update the project from SCM
 1 Store the update scm result
 1 Set the project state to "building"

* Update Project Metadata From Working Directory

** Input

 * Project id
 * Builder id
 * Working directory

** Steps

 1 Use the builder to update the project from the checkout

 1 Stores the updated project

* Execute Builder

** Input

 * Builder id

** Preconditions

 If either:

 * Forced
 * No previous builds (the project is new)
 * The count of updated files is > 0

** Steps

 1 Make a ContiuumBuild object
 1 Execute the builder
 1 Store the ContinuumBuild and the ContinuumBuildResult objects.