61 lines
No EOL
1.3 KiB
Python
61 lines
No EOL
1.3 KiB
Python
# The following meta-model has an inheritance relation:
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mm_cs = """
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MyAbstractClass:Class {
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abstract = True;
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}
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MyConcreteClass:Class
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:Inheritance (MyConcreteClass -> MyAbstractClass)
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Z:Class
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myZ:Association (MyAbstractClass -> Z) {
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target_lower_cardinality = 1;
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}
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"""
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# Note that we didn't give our inheritance link a name. A unique name will be auto-generated by the parser.
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# A (non-conforming) instance:
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m_nonconform_cs = """
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cc:MyConcreteClass
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z:Z
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"""
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# Check conformance:
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from state.devstate import DevState
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from bootstrap.scd import bootstrap_scd
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from util import loader
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state = DevState()
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mmm = bootstrap_scd(state)
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mm = loader.parse_and_check(state, mm_cs, mmm, "mm")
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print("should be non-conform:")
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m_nonconform = loader.parse_and_check(state, m_nonconform_cs, mm, "m_nonconform")
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# The reason for the non-conformance is that all cardinalities and constraints are inherited. Therefore 'MyConcreteClass' must have at least one outgoing 'myZ' link as well.
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# We fix the non-conformance by adding this link:
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m_conform_cs = m_nonconform_cs + """
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:myZ (cc -> z)
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"""
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# Now everything will be fine
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print("should be conform:")
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m_conform = loader.parse_and_check(state, m_conform_cs, mm, "m_conform")
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print("OK")
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# On to the next tutorial... |