Examples with ActionInstance org.lflang.generator.ActionInstance used on opensource projects

Example 1 with ActionInstance

use of org.lflang.generator.ActionInstance in project lingua-franca by lf-lang.

the class LinguaFrancaSynthesis method transformReactorNetwork.

private Collection<KNode> transformReactorNetwork(ReactorInstance reactorInstance, Map<PortInstance, KPort> parentInputPorts, Map<PortInstance, KPort> parentOutputPorts, Map<ReactorInstance, KNode> allReactorNodes) {
    List<KNode> nodes = new ArrayList<>();
    Table<ReactorInstance, PortInstance, KPort> inputPorts = HashBasedTable.create();
    Table<ReactorInstance, PortInstance, KPort> outputPorts = HashBasedTable.create();
    Map<ReactionInstance, KNode> reactionNodes = new HashMap<>();
    Map<KPort, KNode> directConnectionDummyNodes = new HashMap<>();
    Multimap<ActionInstance, KPort> actionDestinations = HashMultimap.create();
    Multimap<ActionInstance, KPort> actionSources = HashMultimap.create();
    Map<TimerInstance, KNode> timerNodes = new HashMap<>();
    KNode startupNode = _kNodeExtensions.createNode();
    boolean startupUsed = false;
    KNode shutdownNode = _kNodeExtensions.createNode();
    boolean shutdownUsed = false;
    // Transform instances
    int index = 0;
    for (ReactorInstance child : ListExtensions.reverseView(reactorInstance.children)) {
        Boolean expansionState = MemorizingExpandCollapseAction.getExpansionState(child);
        Collection<KNode> rNodes = createReactorNode(child, expansionState != null ? expansionState : false, inputPorts, outputPorts, allReactorNodes);
        setLayoutOption(IterableExtensions.<KNode>head(rNodes), CoreOptions.PRIORITY, index);
        nodes.addAll(rNodes);
        index++;
    }
    // Create timers
    for (TimerInstance timer : reactorInstance.timers) {
        KNode node = associateWith(_kNodeExtensions.createNode(), timer.getDefinition());
        NamedInstanceUtil.linkInstance(node, timer);
        _utilityExtensions.setID(node, timer.uniqueID());
        nodes.add(node);
        Iterables.addAll(nodes, createUserComments(timer.getDefinition(), node));
        timerNodes.put(timer, node);
        _linguaFrancaShapeExtensions.addTimerFigure(node, timer);
    }
    // Create reactions
    for (ReactionInstance reaction : ListExtensions.reverseView(reactorInstance.reactions)) {
        int idx = reactorInstance.reactions.indexOf(reaction);
        KNode node = associateWith(_kNodeExtensions.createNode(), reaction.getDefinition());
        NamedInstanceUtil.linkInstance(node, reaction);
        _utilityExtensions.setID(node, reaction.uniqueID());
        nodes.add(node);
        Iterables.addAll(nodes, createUserComments(reaction.getDefinition(), node));
        reactionNodes.put(reaction, node);
        setLayoutOption(node, CoreOptions.PORT_CONSTRAINTS, PortConstraints.FIXED_SIDE);
        // always place with higher priority than reactor nodes
        setLayoutOption(node, CoreOptions.PRIORITY, (reactorInstance.reactions.size() - idx) * 10);
        // try order reactions vertically if in one layer
        setLayoutOption(node, LayeredOptions.POSITION, new KVector(0, idx));
        _linguaFrancaShapeExtensions.addReactionFigure(node, reaction);
        // connect input
        KPort port = null;
        for (TriggerInstance<?> trigger : reaction.triggers) {
            port = addInvisiblePort(node);
            setLayoutOption(port, CoreOptions.PORT_SIDE, PortSide.WEST);
            int triggersSize = reaction.triggers != null ? reaction.triggers.size() : 0;
            int sourcesSize = reaction.sources != null ? reaction.sources.size() : 0;
            if (getBooleanValue(REACTIONS_USE_HYPEREDGES) || triggersSize + sourcesSize == 1) {
                // manual adjustment disabling automatic one
                setLayoutOption(port, CoreOptions.PORT_BORDER_OFFSET, (double) -LinguaFrancaShapeExtensions.REACTION_POINTINESS);
            }
            if (trigger.isStartup()) {
                connect(createDependencyEdge(((TriggerInstance.BuiltinTriggerVariable) trigger.getDefinition()).definition), startupNode, port);
                startupUsed = true;
            } else if (trigger.isShutdown()) {
                connect(createDelayEdge(((TriggerInstance.BuiltinTriggerVariable) trigger.getDefinition()).definition), shutdownNode, port);
                shutdownUsed = true;
            } else if (trigger instanceof ActionInstance) {
                actionDestinations.put(((ActionInstance) trigger), port);
            } else if (trigger instanceof PortInstance) {
                KPort src = null;
                PortInstance triggerAsPort = (PortInstance) trigger;
                if (triggerAsPort.getParent() == reactorInstance) {
                    src = parentInputPorts.get(trigger);
                } else {
                    src = outputPorts.get(triggerAsPort.getParent(), trigger);
                }
                if (src != null) {
                    connect(createDependencyEdge(triggerAsPort.getDefinition()), src, port);
                }
            } else if (trigger instanceof TimerInstance) {
                KNode src = timerNodes.get(trigger);
                if (src != null) {
                    connect(createDependencyEdge(trigger.getDefinition()), src, port);
                }
            }
        }
        // port = null // create new ports
        for (TriggerInstance<?> dep : reaction.sources) {
            if (reaction.triggers.contains(dep))
                continue;
            if (!(getBooleanValue(REACTIONS_USE_HYPEREDGES) && port != null)) {
                port = addInvisiblePort(node);
                setLayoutOption(port, CoreOptions.PORT_SIDE, PortSide.WEST);
                int triggersSize = reaction.triggers != null ? reaction.triggers.size() : 0;
                int sourcesSize = reaction.sources != null ? reaction.sources.size() : 0;
                if (getBooleanValue(REACTIONS_USE_HYPEREDGES) || triggersSize + sourcesSize == 1) {
                    // manual adjustment disabling automatic one
                    setLayoutOption(port, CoreOptions.PORT_BORDER_OFFSET, (double) -LinguaFrancaShapeExtensions.REACTION_POINTINESS);
                }
            }
            if (dep instanceof PortInstance) {
                KPort src = null;
                PortInstance depAsPort = (PortInstance) dep;
                if (dep.getParent() == reactorInstance) {
                    src = parentInputPorts.get(dep);
                } else {
                    src = outputPorts.get(depAsPort.getParent(), dep);
                }
                if (src != null) {
                    connect(createDependencyEdge(dep.getDefinition()), src, port);
                }
            }
        }
        // connect outputs
        // create new ports
        port = null;
        Set<TriggerInstance<?>> iterSet = reaction.effects != null ? reaction.effects : new HashSet<>();
        for (TriggerInstance<?> effect : iterSet) {
            port = addInvisiblePort(node);
            setLayoutOption(port, CoreOptions.PORT_SIDE, PortSide.EAST);
            if (effect instanceof ActionInstance) {
                actionSources.put((ActionInstance) effect, port);
            } else if (effect instanceof PortInstance) {
                KPort dst = null;
                PortInstance effectAsPort = (PortInstance) effect;
                if (effectAsPort.isOutput()) {
                    dst = parentOutputPorts.get(effect);
                } else {
                    dst = inputPorts.get(effectAsPort.getParent(), effect);
                }
                if (dst != null) {
                    connect(createDependencyEdge(effect), port, dst);
                }
            }
        }
    }
    // Connect actions
    Set<ActionInstance> actions = new HashSet<>();
    actions.addAll(actionSources.keySet());
    actions.addAll(actionDestinations.keySet());
    for (ActionInstance action : actions) {
        KNode node = associateWith(_kNodeExtensions.createNode(), action.getDefinition());
        NamedInstanceUtil.linkInstance(node, action);
        _utilityExtensions.setID(node, action.uniqueID());
        nodes.add(node);
        Iterables.addAll(nodes, createUserComments(action.getDefinition(), node));
        setLayoutOption(node, CoreOptions.PORT_CONSTRAINTS, PortConstraints.FIXED_SIDE);
        Pair<KPort, KPort> ports = _linguaFrancaShapeExtensions.addActionFigureAndPorts(node, action.isPhysical() ? "P" : "L");
        // TODO handle variables?
        if (action.getMinDelay() != null && action.getMinDelay() != ActionInstance.DEFAULT_MIN_DELAY) {
            _kLabelExtensions.addOutsideBottomCenteredNodeLabel(node, String.format("min delay: %s", action.getMinDelay().toString()), 7);
        }
        // TODO default value?
        if (action.getDefinition().getMinSpacing() != null) {
            _kLabelExtensions.addOutsideBottomCenteredNodeLabel(node, String.format("min spacing: %s", action.getMinSpacing().toString()), 7);
        }
        if (!StringExtensions.isNullOrEmpty(action.getDefinition().getPolicy())) {
            _kLabelExtensions.addOutsideBottomCenteredNodeLabel(node, String.format("policy: %s", action.getPolicy().toString()), 7);
        }
        // connect source
        for (KPort source : actionSources.get(action)) {
            connect(createDelayEdge(action), source, ports.getKey());
        }
        // connect targets
        for (KPort target : actionDestinations.get(action)) {
            connect(createDelayEdge(action), ports.getValue(), target);
        }
    }
    // Transform connections.
    // First, collect all the source ports.
    List<PortInstance> sourcePorts = new LinkedList<>(reactorInstance.inputs);
    for (ReactorInstance child : reactorInstance.children) {
        sourcePorts.addAll(child.outputs);
    }
    for (PortInstance leftPort : sourcePorts) {
        KPort source = leftPort.getParent() == reactorInstance ? parentInputPorts.get(leftPort) : outputPorts.get(leftPort.getParent(), leftPort);
        for (SendRange sendRange : leftPort.getDependentPorts()) {
            for (RuntimeRange<PortInstance> rightRange : sendRange.destinations) {
                PortInstance rightPort = rightRange.instance;
                KPort target = rightPort.getParent() == reactorInstance ? parentOutputPorts.get(rightPort) : inputPorts.get(rightPort.getParent(), rightPort);
                // There should be a connection, but skip if not.
                Connection connection = sendRange.connection;
                if (connection != null) {
                    KEdge edge = createIODependencyEdge(connection, (leftPort.isMultiport() || rightPort.isMultiport()));
                    if (connection.getDelay() != null) {
                        KLabel delayLabel = _kLabelExtensions.addCenterEdgeLabel(edge, ASTUtils.toText(connection.getDelay()));
                        associateWith(delayLabel, connection.getDelay());
                        if (connection.isPhysical()) {
                            _linguaFrancaStyleExtensions.applyOnEdgePysicalDelayStyle(delayLabel, reactorInstance.isMainOrFederated() ? Colors.WHITE : Colors.GRAY_95);
                        } else {
                            _linguaFrancaStyleExtensions.applyOnEdgeDelayStyle(delayLabel);
                        }
                    } else if (connection.isPhysical()) {
                        KLabel physicalConnectionLabel = _kLabelExtensions.addCenterEdgeLabel(edge, "---");
                        _linguaFrancaStyleExtensions.applyOnEdgePysicalStyle(physicalConnectionLabel, reactorInstance.isMainOrFederated() ? Colors.WHITE : Colors.GRAY_95);
                    }
                    if (source != null && target != null) {
                        // check for inside loop (direct in -> out connection with delay)
                        if (parentInputPorts.values().contains(source) && parentOutputPorts.values().contains(target)) {
                            // edge.setLayoutOption(CoreOptions.INSIDE_SELF_LOOPS_YO, true) // Does not work as expected
                            // Introduce dummy node to enable direct connection (that is also hidden when collapsed)
                            KNode dummy = _kNodeExtensions.createNode();
                            if (directConnectionDummyNodes.containsKey(target)) {
                                dummy = directConnectionDummyNodes.get(target);
                            } else {
                                nodes.add(dummy);
                                directConnectionDummyNodes.put(target, dummy);
                                _kRenderingExtensions.addInvisibleContainerRendering(dummy);
                                _kNodeExtensions.setNodeSize(dummy, 0, 0);
                                KEdge extraEdge = createIODependencyEdge(null, (leftPort.isMultiport() || rightPort.isMultiport()));
                                connect(extraEdge, dummy, target);
                            }
                            connect(edge, source, dummy);
                        } else {
                            connect(edge, source, target);
                        }
                    }
                }
            }
        }
    }
    // Add startup/shutdown
    if (startupUsed) {
        _linguaFrancaShapeExtensions.addStartupFigure(startupNode);
        nodes.add(0, startupNode);
        setLayoutOption(startupNode, LayeredOptions.LAYERING_LAYER_CONSTRAINT, LayerConstraint.FIRST);
        if (getBooleanValue(REACTIONS_USE_HYPEREDGES)) {
            KPort port = addInvisiblePort(startupNode);
            startupNode.getOutgoingEdges().forEach(it -> {
                it.setSourcePort(port);
            });
        }
    }
    if (shutdownUsed) {
        _linguaFrancaShapeExtensions.addShutdownFigure(shutdownNode);
        nodes.add(0, shutdownNode);
        if (getBooleanValue(REACTIONS_USE_HYPEREDGES)) {
            // connect all edges to one port
            KPort port = addInvisiblePort(shutdownNode);
            shutdownNode.getOutgoingEdges().forEach(it -> {
                it.setSourcePort(port);
            });
        }
    }
    // Postprocess timer nodes
    if (getBooleanValue(REACTIONS_USE_HYPEREDGES)) {
        // connect all edges to one port
        for (KNode timerNode : timerNodes.values()) {
            KPort port = addInvisiblePort(timerNode);
            timerNode.getOutgoingEdges().forEach(it -> {
                it.setSourcePort(port);
            });
        }
    }
    // Add reaction order edges (add last to have them on top of other edges)
    if (reactorInstance.reactions.size() > 1) {
        KNode prevNode = reactionNodes.get(IterableExtensions.head(reactorInstance.reactions));
        Iterable<KNode> iterList = IterableExtensions.map(IterableExtensions.drop(reactorInstance.reactions, 1), reactionNodes::get);
        for (KNode node : iterList) {
            KEdge edge = createOrderEdge();
            edge.setSource(prevNode);
            edge.setTarget(node);
            edge.setProperty(CoreOptions.NO_LAYOUT, true);
            // Do not remove them, as they are needed for cycle detection
            KRendering edgeRendering = _kRenderingExtensions.getKRendering(edge);
            _kRenderingExtensions.setInvisible(edgeRendering, !getBooleanValue(SHOW_REACTION_ORDER_EDGES));
            _kRenderingExtensions.getInvisible(edgeRendering).setPropagateToChildren(true);
            // TODO this does not work work with incremental update (https://github.com/kieler/KLighD/issues/37)
            // if (!getBooleanValue(SHOW_REACTION_ORDER_EDGES)) edge.initiallyHide()
            prevNode = node;
        }
    }
    _modeDiagrams.handleModes(nodes, reactorInstance);
    return nodes;
}

Example 2 with ActionInstance

use of org.lflang.generator.ActionInstance in project lingua-franca by lf-lang.

the class FederateInstance method findNearestPhysicalActionTrigger.

/**
 * Find the nearest (shortest) path to a physical action trigger from this
 * 'reaction' in terms of minimum delay.
 *
 * @param reaction The reaction to start with
 * @return The minimum delay found to the nearest physical action and
 *  TimeValue.MAX_VALUE otherwise
 */
public TimeValue findNearestPhysicalActionTrigger(ReactionInstance reaction) {
    TimeValue minDelay = TimeValue.MAX_VALUE;
    for (TriggerInstance<? extends Variable> trigger : reaction.triggers) {
        if (trigger.getDefinition() instanceof Action) {
            Action action = (Action) trigger.getDefinition();
            ActionInstance actionInstance = (ActionInstance) trigger;
            if (action.getOrigin() == ActionOrigin.PHYSICAL) {
                if (actionInstance.getMinDelay().isEarlierThan(minDelay)) {
                    minDelay = actionInstance.getMinDelay();
                }
            } else if (action.getOrigin() == ActionOrigin.LOGICAL) {
                // Follow it upstream inside the reactor
                for (ReactionInstance uReaction : actionInstance.getDependsOnReactions()) {
                    // Avoid a loop
                    if (!Objects.equal(uReaction, reaction)) {
                        TimeValue uMinDelay = actionInstance.getMinDelay().add(findNearestPhysicalActionTrigger(uReaction));
                        if (uMinDelay.isEarlierThan(minDelay)) {
                            minDelay = uMinDelay;
                        }
                    }
                }
            }
        } else if (trigger.getDefinition() instanceof Output) {
            // Outputs of contained reactions
            PortInstance outputInstance = (PortInstance) trigger;
            for (ReactionInstance uReaction : outputInstance.getDependsOnReactions()) {
                TimeValue uMinDelay = findNearestPhysicalActionTrigger(uReaction);
                if (uMinDelay.isEarlierThan(minDelay)) {
                    minDelay = uMinDelay;
                }
            }
        }
    }
    return minDelay;
}