import 'SimplePDL.ecore'

package simplepdl

context Process
inv warningSeverity: false
inv withMessage('Explicit message in process ' + self.name + ' (withMessage)'): false
--inv errorSeverity: null

context Process
inv validName('Invalid name: ' + self.name):
	self.name.matches('[A-Za-z_][A-Za-z0-9_]*')

context ProcessElement
def: process(): Process =
	Process.allInstances()
		->select(p | p.processElements->includes(self))
		->asSequence()->first()

context WorkSequence
inv successorAndPredecessorInSameProcess('Activities not in the same process : '
		+ self.predecessor.name + ' in ' + self.predecessor.process().name+ ' and '
		+ self.successor.name + ' in ' + self.successor.process().name
):
	self.process() = self.successor.process()
	and self.process() = self.predecessor.process()

endpackage