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@@ -1687,7 +1687,7 @@ String function transformation_add(source_models : Element, target_models : Elem
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if (get_entry_id(operation_name) == ""):
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// Write out a merged metamodel containing all these models: this is the MM for the manual operation
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// New location is available, so write
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- if (bool_not(bool_and(dict_len(source_models) == 0, dict_len(target_models) == 0))):
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+ if (dict_len(source_models) + dict_len(target_models) > 0):
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merged_formalism = model_fuse(formalism_map)
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model_create(merged_formalism, "merged/" + operation_name, get_entry_id("formalisms/SimpleClassDiagrams"), "Model")
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output("Operating on: merged/" + operation_name)
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@@ -1697,6 +1697,8 @@ String function transformation_add(source_models : Element, target_models : Elem
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merged_formalism = get_full_model(get_entry_id("merged/" + operation_name), get_entry_id("formalisms/SimpleClassDiagrams"))
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if (operation_type == "manual"):
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+ if (dict_len(source_models) + dict_len(target_models) == 0):
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+ return "Manual activity needs at least one formalism in its input or output signature!"!
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// Finished with all information, now create the model itself!
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Element m
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m = get_full_model(get_entry_id("formalisms/ManualOperation"), get_entry_id("formalisms/SimpleClassDiagrams"))
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@@ -1718,7 +1720,7 @@ String function transformation_add(source_models : Element, target_models : Elem
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model_create(import_node("AL/" + operation_name), operation_name, get_entry_id("formalisms/ActionLanguage"), "ActionLanguage")
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model_id = get_entry_id(operation_name)
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- if (bool_not(bool_and(dict_len(source_models) == 0, dict_len(target_models) == 0))):
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+ if (dict_len(source_models) + dict_len(target_models) > 0):
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merged_formalism_id = get_entry_id("merged/" + operation_name)
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// Add tracability links at this level
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