Examples with ReactivePipeNode com.dexels.navajo.parser.compiled.api.ReactivePipeNode used on opensource projects

Example 1 with ReactivePipeNode

use of com.dexels.navajo.parser.compiled.api.ReactivePipeNode in project navajo by Dexels.

the class ASTReactiveScriptNode method interpretToLambda.

@Override
public ContextExpression interpretToLambda(List<String> problems, String originalExpression, Function<String, FunctionClassification> functionClassifier, Function<String, Optional<Node>> mapResolver) {
    int start = hasHeader ? headers : 0;
    if (hasHeader) {
        for (int i = 0; i < headers; i++) {
            ASTKeyValueNode hdr = (ASTKeyValueNode) jjtGetChild(i);
            NamedExpression ne = (NamedExpression) hdr.interpretToLambda(problems, originalExpression, functionClassifier, mapResolver);
            String key = ne.name;
            headerMap.put(key, ne.apply());
        }
    }
    int count = jjtGetNumChildren();
    List<Node> unnamedPipes = new ArrayList<>();
    Map<String, Node> namedPipes = new HashMap<>();
    for (int i = start; i < count; i++) {
        Node child = jjtGetChild(i);
        // ASTReactivePipe pipe = null;
        if (child instanceof ASTPipeDefinition) {
            unnamedPipes.add((ASTPipeDefinition) child);
        } else if (child instanceof ASTKeyValueNode) {
            ASTKeyValueNode kvNode = (ASTKeyValueNode) child;
            String streamName = kvNode.val;
            Node namedPipe = kvNode.jjtGetChild(0);
            // assert value types perhaps? TODO
            namedPipes.put(streamName, namedPipe);
        }
    }
    List<ReactivePipeNode> pipes = unnamedPipes.stream().map(p -> (ReactivePipeNode) p.interpretToLambda(problems, originalExpression, functionClassifier, name -> {
        Optional<Node> initial = Optional.ofNullable(namedPipes.get(name));
        if (initial.isPresent()) {
            return initial;
        } else {
            return mapResolver.apply(name);
        }
    })).collect(Collectors.toList());
    return new ContextExpression() {

        @Override
        public Optional<String> returnType() {
            return Optional.of(Reactive.ReactiveItemType.REACTIVE_SCRIPT.toString());
        }

        @Override
        public boolean isLiteral() {
            return true;
        }

        @Override
        public String expression() {
            return "";
        }

        @Override
        public Operand apply(Navajo doc, Message parentMsg, Message parentParamMsg, Selection parentSel, MappableTreeNode mapNode, TipiLink tipiLink, Access access, Optional<ImmutableMessage> immutableMessage, Optional<ImmutableMessage> paramMessage) {
            return Operand.ofCustom(pipes, Reactive.ReactiveItemType.REACTIVE_SCRIPT.toString());
        }
    };
}