merging (meta-)models works (but it's dirty!)

examples/semantics/translational/merged_mm.od

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+# Auto-generated by /home/maestro/repos/MV2/examples/semantics/translational/regenerate_mm.py
+
+# PlantUML visualization: https://deemz.org/plantuml/pdf/hPT1Zzem48Nl-HKMnqeWqcG1HLKFkuUg5nO9f1wHSSPiHB2HOofLxVxtsYOWTXKfByWSkCtdcNdFuqaYQjuqRFJ2JrnKzi-BLeqrl5AMZHXlsBJzRJl-_2-ZajZVXB7chJfT8QnWFvMbFPdaFMaFM2rNDHUqjjmIYgQdW5RduqOVI3LTt5_Q7CYi2SwNn1Lw2Usa3afJPexudl2Txvomx9uXppMCuTqOVJO2pKMcym2vgbfhSM3fP9A2uLaUccEh8tMrvPcCVHlI6pcRNzpXOiw-qsjhAhNlA7EZJoXpaT_N66o5XlBqFlJcdK4bySKz8xG43fNteJz8aU5M6pHyD_jG-79Zk6egMsa54yfEZwsMxjuh4fRlQhWF8k_sQwKEA88-oD7cuCePf8Uy3A2Z_asbSzYprZLnzSaW0uZvT7gREsitrJe7H3lEOA88XIQzrVWfyEtVUDpF_4fvFyxV5GZdvtXCd9CMmBdh2EAuZDWx_mW0sRbPYcO75EkV2KnPvx-eoieighBfF2ekYsjZoMCQ1L9sGB42A1OsYd-AWEm8lsJznORX2E9cCOsIPpcWh7-KmEnsPLGfPDJnwLRVg0DgDujxAu1f34lXNqVePSpOA6MJ2NFBx7ZytJsz8sohBfW6y_N8W9xwSxu0V1zLC6w0zyH_UTmEIE43tCvOCC7LwyalYuZBd2qUACID2NVERGL3wdaQBaXOXGfsKbj8ayL3cYoy9dk_NLTYMxjz55b55e-S5CIfceis_iEclsibFUI2e4xxVVqg_mC=
+
+
+CapacityConstraint:Class
+PNPlaceState:Class
+WorkerSet:Class
+State:Class
+Stateful:Class {
+    abstract = True;
+}
+Source:Class {
+    abstract = True;
+}
+Clock:Class {
+    upper_cardinality = 1;
+    lower_cardinality = 1;
+}
+BerthState:Class {
+    constraint = ```
+        errors = []
+        numShips = get_slot_value(this, "numShips")
+        status = get_slot_value(this, "status")
+        if (numShips == 0) != (status == "empty"):
+            errors.append(f"Inconsistent: numShips = {numShips}, but status = {status}")
+        errors
+    ```;
+}
+Top:Class {
+    abstract = True;
+}
+Place:Class
+WorkerSetState:Class
+Berth:Class
+Generator:Class
+PNTransition:Class
+PNConnectable:Class {
+    abstract = True;
+}
+Sink:Class {
+    abstract = True;
+}
+ConnectionState:Class
+PlaceState:Class
+PNPlace:Class
+shipCapacities:GlobalConstraint {
+    constraint = ```
+        errors = []
+        for _, constr in get_all_instances("CapacityConstraint"):
+            cap = get_slot_value(constr, "shipCapacity")
+            total = 0
+            place_names = [] # for debugging
+            for lnk in get_outgoing(constr, "capacityOf"):
+                place = get_target(lnk)
+                place_names.append(get_name(place))
+                place_state = get_source(get_incoming(place, "of")[0])
+                total += get_slot_value(place_state, "numShips")
+            if total > cap:
+                errors.append(f"The number of ships in places {','.join(place_names)} ({total}) exceeds the capacity ({cap}) of CapacityConstraint {get_name(constr)}.")
+        errors
+    ```;
+}
+operatingCapacities:GlobalConstraint {
+    constraint = ```
+        errors = []
+        for _, workersetstate in get_all_instances("WorkerSetState"):
+            workerset = get_target(get_outgoing(workersetstate, "of")[0])
+            num_operating = len(get_outgoing(workersetstate, "isOperating"))
+            num_workers = get_slot_value(workerset, "numWorkers")
+            if num_operating > num_workers:
+                errors.append(f"WorkerSet {get_name(workerset)} is operating more berths ({num_operating}) than there are workers ({num_workers})")
+        errors
+    ```;
+}
+WorkerSet_numWorkers:AttributeLink (WorkerSet -> Integer) {
+    optional = False;
+    name = "numWorkers";
+    constraint = `get_value(get_target(this)) >= 0`;
+}
+PlaceState_numShips:AttributeLink (PlaceState -> Integer) {
+    name = "numShips";
+    constraint = `get_value(get_target(this)) >= 0`;
+    optional = False;
+}
+ConnectionState_moved:AttributeLink (ConnectionState -> Boolean) {
+    constraint = ```
+        result = True
+        all_successors_moved = True
+        moved = get_value(get_target(this))
+        conn_state = get_source(this)
+        conn = get_target(get_outgoing(conn_state, "of")[0])
+        tgt_place = get_target(conn)
+        next_conns = get_outgoing(tgt_place, "connection")
+        for next_conn in next_conns:
+            next_conn_state = get_source(get_incoming(next_conn, "of")[0])
+            if not get_slot_value(next_conn_state, "moved"):
+                all_successors_moved = False
+        if moved and not all_successors_moved:
+            result = f"Connection {get_name(conn)} played before its turn."
+        result
+    ```;
+    optional = False;
+    name = "moved";
+}
+BerthState_status:AttributeLink (BerthState -> String) {
+    constraint = ```
+        (
+                    get_value(get_target(this)) in { "empty", "unserved", "served" }
+                )
+    ```;
+    optional = False;
+    name = "status";
+}
+PNPlaceState_numTokens:AttributeLink (PNPlaceState -> Integer) {
+    constraint = `"numTokens cannot be negative" if get_value(get_target(this)) < 0 else None`;
+    optional = False;
+    name = "numTokens";
+}
+Clock_time:AttributeLink (Clock -> Integer) {
+    constraint = `get_value(get_target(this)) >= 0`;
+    optional = False;
+    name = "time";
+}
+CapacityConstraint_shipCapacity:AttributeLink (CapacityConstraint -> Integer) {
+    constraint = `get_value(get_target(this)) >= 0`;
+    optional = False;
+    name = "shipCapacity";
+}
+of:Association (State -> Stateful) {
+    source_upper_cardinality = 1;
+    source_lower_cardinality = 1;
+    target_upper_cardinality = 1;
+    target_lower_cardinality = 1;
+}
+arc:Association (PNConnectable -> PNConnectable)
+canOperate:Association (WorkerSet -> Berth) {
+    target_lower_cardinality = 1;
+}
+connection:Association (Source -> Sink)
+pn_of:Association (PNPlaceState -> PNPlace) {
+    source_lower_cardinality = 1;
+    target_upper_cardinality = 1;
+    target_lower_cardinality = 1;
+    source_upper_cardinality = 1;
+}
+generic_link:Association (Top -> Top)
+isOperating:Association (WorkerSetState -> Berth) {
+    constraint = ```
+        errors = []
+        
+        # get status of Berth
+        berth = get_target(this)
+        berth_state = get_source(get_incoming(berth, "of")[0])
+        status = get_slot_value(berth_state, "status")
+        if status != "unserved":
+            errors.append(f"Cannot operate {get_name(berth)} because there is no unserved ship there.")
+        
+        # only operate Berts that we can operate
+        workerset = get_target(get_outgoing(get_source(this), "of")[0])
+        can_operate = [get_target(lnk) for lnk in get_outgoing(workerset, "canOperate")]
+        if berth not in can_operate:
+            errors.append(f"Cannot operate {get_name(berth)}.")
+        
+        errors
+    ```;
+}
+capacityOf:Association (CapacityConstraint -> Place) {
+    target_lower_cardinality = 1;
+}
+:Inheritance (connection -> Stateful)
+:Inheritance (CapacityConstraint -> Top)
+:Inheritance (Sink -> Top)
+:Inheritance (Berth -> Place)
+:Inheritance (WorkerSet -> Stateful)
+:Inheritance (Place -> Source)
+:Inheritance (PlaceState -> State)
+:Inheritance (State -> Top)
+:Inheritance (Source -> Top)
+:Inheritance (Clock -> Top)
+:Inheritance (Stateful -> Top)
+:Inheritance (Place -> Stateful)
+:Inheritance (PNConnectable -> Top)
+:Inheritance (WorkerSetState -> State)
+:Inheritance (Place -> Sink)
+:Inheritance (BerthState -> PlaceState)
+:Inheritance (generic_link -> Top)
+:Inheritance (PNTransition -> PNConnectable)
+:Inheritance (ConnectionState -> State)
+:Inheritance (PNPlaceState -> Top)
+:Inheritance (Generator -> Source)
+:Inheritance (Berth -> Stateful)
+:Inheritance (PNPlace -> PNConnectable)

examples/semantics/translational/regenerate_mm.py

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+from state.devstate import DevState
+from bootstrap.scd import bootstrap_scd
+from concrete_syntax.textual_od import renderer
+from concrete_syntax.plantuml.renderer import render_class_diagram
+from concrete_syntax.plantuml.make_url import make_url
+from api.od import ODAPI
+
+from transformation.topify.topify import Topifier
+from transformation.merger import merge_models
+
+from util import loader
+
+from examples.semantics.operational.port import models
+
+import os
+THIS_DIR = os.path.dirname(__file__)
+
+# get file contents as string
+def read_file(filename):
+    with open(THIS_DIR+'/'+filename) as file:
+        return file.read()
+
+if __name__ == "__main__":
+    state = DevState()
+    scd_mmm = bootstrap_scd(state)
+
+    # Load Petri Net meta-models
+    pn_mm_cs    =            read_file('../../petrinet/metamodels/mm_design.od')
+    pn_mm_rt_cs = pn_mm_cs + read_file('../../petrinet/metamodels/mm_runtime.od')
+    pn_mm    = loader.parse_and_check(state, pn_mm_cs,    scd_mmm, "Petri-Net Design meta-model")
+    pn_mm_rt = loader.parse_and_check(state, pn_mm_rt_cs, scd_mmm, "Petri-Net Runtime meta-model")
+
+    # Load Port meta-models
+    port_mm    = loader.parse_and_check(state, models.port_mm_cs,    scd_mmm,    "Port-MM")
+    port_mm_rt = loader.parse_and_check(state, models.port_rt_mm_cs, scd_mmm,    "Port-MM-RT")
+
+    # Merge Petri Net and Port meta-models
+    print("merging...")
+    merged_mm_rt = merge_models(state, mm=scd_mmm, models=[pn_mm_rt, port_mm_rt])
+    print("done merging")
+
+    print()
+    print("topifying... (may take a while)")
+    topifier = Topifier(state)
+    top_merged_mm_rt = topifier.topify_cd(merged_mm_rt)
+    print("done topifying")
+
+    plantuml_url = make_url(render_class_diagram(state, top_merged_mm_rt))
+
+    print()
+    print(plantuml_url)
+    print()
+
+    txt = renderer.render_od(state, top_merged_mm_rt, scd_mmm)
+
+    filename = THIS_DIR+"/merged_mm.od"
+
+    with open(filename, "w") as file:
+        file.write(f"# Auto-generated by {__file__}\n\n")
+        file.write(f"# PlantUML visualization: {plantuml_url}\n\n")
+        file.write(txt)
+
+    print("Wrote file", filename)

examples/semantics/translational/rules/.gitignore

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+# Let's not accidently add the solution to assignment 5...
+r_*.od

examples/semantics/translational/runner.py

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+from state.devstate import DevState
+from bootstrap.scd import bootstrap_scd
+from concrete_syntax.textual_od import parser, renderer
+from concrete_syntax.plantuml.renderer import render_object_diagram, render_class_diagram
+from concrete_syntax.plantuml.make_url import make_url
+from api.od import ODAPI
+
+from transformation.ramify import ramify
+from transformation.topify.topify import Topifier
+from transformation.merger import merge_models
+
+from util import loader
+
+from examples.semantics.operational.simulator import Simulator, RandomDecisionMaker, InteractiveDecisionMaker
+from examples.semantics.operational.port import models
+from examples.semantics.operational.port.helpers import design_to_state, state_to_design, get_time
+from examples.semantics.operational.port.renderer import render_port_textual, render_port_graphviz
+
+import os
+THIS_DIR = os.path.dirname(__file__)
+
+# get file contents as string
+def read_file(filename):
+    with open(THIS_DIR+'/'+filename) as file:
+        return file.read()
+
+if __name__ == "__main__":
+    state = DevState()
+    scd_mmm = bootstrap_scd(state)
+
+    # Load merged Petri Net and Port meta-model:
+    merged_mm = loader.parse_and_check(state, read_file("merged_mm.od"), scd_mmm, "merged_mm.od")
+
+    # Load Port initial runtime model:
+    port_m_rt_initial = loader.parse_and_check(state, models.port_rt_m_cs, merged_mm, "Port-M-RT-initial")