Examples with FunctionClassification com.dexels.navajo.expression.api.FunctionClassification used on opensource projects

Example 1 with FunctionClassification

use of com.dexels.navajo.expression.api.FunctionClassification 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());
        }
    };
}

Example 2 with FunctionClassification

use of com.dexels.navajo.expression.api.FunctionClassification in project navajo by Dexels.

the class ASTFunctionNode method interpretToLambda.

@Override
public ContextExpression interpretToLambda(List<String> problems, String expression, Function<String, FunctionClassification> functionClassifier, Function<String, Optional<Node>> mapResolver) {
    List<ContextExpression> unnamed = new LinkedList<>();
    // TODO make lazy?
    Map<String, ContextExpression> named = new HashMap<>();
    for (int i = 0; i < jjtGetNumChildren(); i++) {
        Node sn = jjtGetChild(i);
        ContextExpression cn = sn.interpretToLambda(problems, expression, functionClassifier, mapResolver);
        if (cn instanceof NamedExpression) {
            NamedExpression ne = (NamedExpression) cn;
            named.put(ne.name, ne.expression);
        } else {
            unnamed.add(cn);
        }
    }
    FunctionClassification mode = functionClassifier.apply(functionName);
    switch(mode) {
        case REACTIVE_HEADER:
            break;
        case REACTIVE_SOURCE:
            return new ReactiveParseItem(functionName, Reactive.ReactiveItemType.REACTIVE_SOURCE, named, unnamed, expression, this);
        case REACTIVE_TRANSFORMER:
            return new ReactiveParseItem(functionName, Reactive.ReactiveItemType.REACTIVE_TRANSFORMER, named, unnamed, expression, this);
        case REACTIVE_REDUCER:
            return new ReactiveParseItem(functionName, Reactive.ReactiveItemType.REACTIVE_MAPPER, named, unnamed, expression, this);
        case DEFAULT:
        default:
    }
    return resolveNormalFunction(unnamed, named, problems, expression);
}

Example 3 with FunctionClassification

use of com.dexels.navajo.expression.api.FunctionClassification in project navajo by Dexels.

the class ASTTmlNode method interpretToLambda.

@Override
public final ContextExpression interpretToLambda(List<String> problems, String expression, Function<String, FunctionClassification> functionClassifier, Function<String, Optional<Node>> mapResolver) {
    return new ContextExpression() {

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

        @Override
        public Operand apply(Navajo doc, Message parentMsg, Message parentParamMsg, Selection parentSel, MappableTreeNode mapNode, TipiLink tipiLink, Access access, Optional<ImmutableMessage> immutableMessage, Optional<ImmutableMessage> paramMessage) {
            List<Property> match = null;
            List<Object> resultList = new ArrayList<>();
            boolean singleMatch = true;
            if (val.equals("[") || val.equals("[/")) {
                return immutableMessage.map(msg -> Operand.ofImmutable(msg)).orElse(parentMsg != null ? Operand.ofMessage(parentMsg) : Operand.NULL);
            }
            String[] parts = val.split("\\|");
            String text = parts.length > 1 ? parts[1] : val;
            boolean isParam = false;
            Property prop = null;
            if (parentSel != null) {
                String dum = text;
                if (dum.length() > 1 && dum.startsWith("[")) {
                    dum = dum.substring(1, dum.length());
                }
                if (dum.equals("name") || selectionOption.equals("name")) {
                    return Operand.ofString(parentSel.getName());
                } else if (dum.equals("value") || selectionOption.equals("value")) {
                    return Operand.ofString(parentSel.getValue());
                } else if (dum.equals("selected") || selectionOption.equals("selected")) {
                    return Operand.ofBoolean(parentSel.isSelected());
                }
            }
            if (!exists) {
                if (text.startsWith("[")) {
                    text = text.substring(1, text.length());
                }
            } else {
                if (text.startsWith("?[")) {
                    text = text.substring(2, text.length());
                }
            }
            if (text.length() > 0 && text.charAt(0) == '@') {
                // relative param property.
                isParam = true;
                text = text.substring(1);
            }
            if (text.startsWith("/@")) {
                // Absolute param property, exclude the '[/@]' expression
                isParam = true;
                if (!text.equals("/@")) {
                    parentParamMsg = doc.getMessage("__parms__");
                    text = text.substring(2);
                }
            }
            if (text.contains("__globals__")) {
                // Absolute globals property.
                parentMsg = doc.getMessage("__globals__");
                int length = "__globals__".length();
                if (text.startsWith("/")) {
                    length += 1;
                }
                // trailing /
                length += 1;
                text = text.substring(length);
            }
            if (Util.isRegularExpression(text))
                singleMatch = false;
            else
                singleMatch = true;
            try {
                if (!isParam && immutableMessage != null && immutableMessage.isPresent()) {
                    ImmutableMessage rm = immutableMessage.get();
                    return parseImmutablePath(text, rm);
                }
                if (isParam && paramMessage != null && paramMessage.isPresent()) {
                    ImmutableMessage rm = paramMessage.get();
                    return parseImmutablePath(text, rm);
                }
                if (parentMsg == null && !isParam) {
                    if (text.indexOf(Navajo.MESSAGE_SEPARATOR) != -1) {
                        if (doc == null) {
                            throw new NullPointerException("Can't evaluate TML node: No parent message and no document found.");
                        }
                        match = doc.getProperties(text);
                        if (match.size() > 1) {
                            singleMatch = false;
                        }
                    } else {
                        throw new TMLExpressionException("No parent message present for property: " + text + " -> " + ImmutableFactory.getInstance().describe(immutableMessage.orElse(ImmutableFactory.empty())));
                    }
                } else if (parentParamMsg == null && isParam) {
                    parentParamMsg = doc.getMessage("__parms__");
                    if (text.indexOf(Navajo.MESSAGE_SEPARATOR) != -1) {
                        match = doc.getProperties(text);
                        if (match.size() > 1) {
                            singleMatch = false;
                        }
                    } else
                        throw new TMLExpressionException("No parent message present for param: " + text);
                } else {
                    if (text.indexOf(Navajo.MESSAGE_SEPARATOR) != -1) {
                        match = (!isParam ? parentMsg.getProperties(text) : parentParamMsg.getProperties(text));
                        if (match.size() > 1)
                            singleMatch = false;
                    } else {
                        match = new ArrayList<>();
                        match.add((!isParam ? parentMsg.getProperty(text) : parentParamMsg.getProperty(text)));
                    }
                }
            } catch (NavajoException te) {
                throw new TMLExpressionException(te.getMessage(), te);
            }
            for (int j = 0; j < match.size(); j++) {
                prop = (Property) match.get(j);
                if (!exists && (prop == null))
                    if (parentMsg != null) {
                        throw new TMLExpressionException("TML property does not exist: " + text + " parent message: " + parentMsg.getFullMessageName());
                    } else {
                        throw new TMLExpressionException("TML property does not exist: " + text + " exists? " + exists);
                    }
                else if (exists) {
                    // Check for existence and datatype validity.
                    if (prop != null) {
                        // Check type. If integer, float or date type and if is empty
                        String type = prop.getType();
                        // of binary properties. Should be equivalent, and MUCH faster.
                        if (prop.getTypedValue() == null && !type.equals(Property.SELECTION_PROPERTY)) {
                            return Operand.FALSE;
                        }
                        if (type.equals(Property.INTEGER_PROPERTY)) {
                            try {
                                Integer.parseInt(prop.getValue());
                                return Operand.TRUE;
                            } catch (Exception e) {
                                return Operand.FALSE;
                            }
                        } else if (type.equals(Property.FLOAT_PROPERTY)) {
                            try {
                                Double.parseDouble(prop.getValue());
                                return Operand.TRUE;
                            } catch (Exception e) {
                                return Operand.FALSE;
                            }
                        } else if (type.equals(Property.DATE_PROPERTY)) {
                            try {
                                if (prop.getTypedValue() instanceof Date) {
                                    return Operand.TRUE;
                                } else {
                                    return Operand.FALSE;
                                }
                            } catch (Exception e) {
                                return Operand.FALSE;
                            }
                        } else if (type.equals(Property.CLOCKTIME_PROPERTY)) {
                            try {
                                ClockTime ct = new ClockTime(prop.getValue());
                                if (ct.calendarValue() == null) {
                                    return Operand.FALSE;
                                }
                                return Operand.TRUE;
                            } catch (Exception e) {
                                return Operand.FALSE;
                            }
                        } else
                            return Operand.TRUE;
                    } else
                        return Operand.FALSE;
                }
                String type = prop.getType();
                Object value = prop.getTypedValue();
                /**
                 * LEGACY MODE!
                 */
                if (value instanceof NavajoType && ((NavajoType) value).isEmpty()) {
                    value = null;
                }
                if (value == null && !type.equals(Property.SELECTION_PROPERTY)) {
                    // If value attribute does not exist AND property is not selection property assume null value
                    resultList.add(null);
                } else if (type.equals(Property.SELECTION_PROPERTY)) {
                    if (!prop.getCardinality().equals("+")) {
                        // Uni-selection property.
                        try {
                            List<Selection> list = prop.getAllSelectedSelections();
                            if (!list.isEmpty()) {
                                Selection sel = list.get(0);
                                resultList.add((selectionOption.equals("name") ? sel.getName() : sel.getValue()));
                            } else {
                                return Operand.NULL;
                            }
                        } catch (com.dexels.navajo.document.NavajoException te) {
                            throw new TMLExpressionException(te.getMessage());
                        }
                    } else {
                        // Multi-selection property.
                        try {
                            List<Selection> list = prop.getAllSelectedSelections();
                            List<Object> result = new ArrayList<>();
                            for (int i = 0; i < list.size(); i++) {
                                Selection sel = list.get(i);
                                Object o = (selectionOption.equals("name")) ? sel.getName() : sel.getValue();
                                result.add(o);
                            }
                            resultList.add(result);
                        } catch (NavajoException te) {
                            throw new TMLExpressionException(te.getMessage(), te);
                        }
                    }
                } else if (type.equals(Property.DATE_PROPERTY)) {
                    if (value == null)
                        resultList.add(null);
                    else {
                        if (!option.equals("")) {
                            try {
                                Date a = (Date) prop.getTypedValue();
                                Calendar cal = Calendar.getInstance();
                                cal.setTime(a);
                                int altA = 0;
                                if (option.equals("month")) {
                                    altA = cal.get(Calendar.MONTH) + 1;
                                } else if (option.equals("day")) {
                                    altA = cal.get(Calendar.DAY_OF_MONTH);
                                } else if (option.equals("year")) {
                                    altA = cal.get(Calendar.YEAR);
                                } else if (option.equals("hour")) {
                                    altA = cal.get(Calendar.HOUR_OF_DAY);
                                } else if (option.equals("minute")) {
                                    altA = cal.get(Calendar.MINUTE);
                                } else if (option.equals("second")) {
                                    altA = cal.get(Calendar.SECOND);
                                } else {
                                    throw new TMLExpressionException("Option not supported: " + option + ", for type: " + type);
                                }
                                resultList.add(altA);
                            } catch (Exception ue) {
                                throw new TMLExpressionException("Invalid date: " + prop.getValue(), ue);
                            }
                        } else {
                            try {
                                Date a = (Date) prop.getTypedValue();
                                resultList.add(a);
                            } catch (java.lang.Exception pe) {
                                resultList.add(null);
                            }
                        }
                    }
                } else if (type.equals(Property.EXPRESSION_PROPERTY)) {
                    resultList.add(prop.getTypedValue());
                } else {
                    try {
                        resultList.add(value);
                    } catch (Exception e) {
                        throw new TMLExpressionException(e.getMessage(), e);
                    }
                }
            }
            if (!singleMatch)
                return Operand.ofList(resultList);
            else if (!resultList.isEmpty())
                return Operand.ofDynamic(resultList.get(0));
            else if (!exists)
                throw new TMLExpressionException("Property does not exist: " + text);
            else
                return Operand.FALSE;
        }

        private Operand parseImmutablePath(String text, ImmutableMessage rm) {
            if ("".equals(text) || "/@".equals(text)) {
                return Operand.ofImmutable(rm);
            }
            if (text.endsWith("/")) {
                String trunc = text.substring(0, text.length() - 1);
                List<String> parts = Arrays.asList(trunc.split("/"));
                return parseImmutableMessagePath(parts, rm);
            }
            List<String> parts = Arrays.asList(text.split("/"));
            return parseImmutablePath(parts, rm);
        }

        private Operand parseImmutableMessagePath(List<String> path, ImmutableMessage rm) {
            if (path.isEmpty()) {
                return Operand.ofImmutable(rm);
            }
            String first = path.get(0);
            Optional<ImmutableMessage> sub = rm.subMessage(first);
            if (!sub.isPresent()) {
                throw new TMLExpressionException("Missing submessage: " + first);
            }
            List<String> copy = new ArrayList<>(path);
            copy.remove(0);
            return parseImmutableMessagePath(copy, sub.get());
        }

        private Operand parseImmutablePath(List<String> path, ImmutableMessage rm) {
            if (path.size() > 1) {
                Optional<ImmutableMessage> imm = rm.subMessage(path.get(0));
                if (imm.isPresent()) {
                    List<String> parts = new LinkedList<>(path);
                    parts.remove(0);
                    return parseImmutablePath(parts, imm.get());
                }
                return null;
            }
            String type = rm.columnType(path.get(0));
            if (type != null) {
                return Operand.ofCustom(rm.value(path.get(0)).orElse(null), type);
            }
            return Operand.ofDynamic(rm.value(path.get(0)).orElse(null));
        }

        @Override
        public Optional<String> returnType() {
            return Optional.empty();
        }

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