Package org.elasticsearch.search.suggest.context

Examples of org.elasticsearch.search.suggest.context.ContextMapping$Context


     * </ul>
     */
    public static void execute(final String uri, final Evaluator evaluator) {
        try {
            String documentURI = getCanonicalURI(uri);
            Context rootCtx = evaluator.newContext(null);
            Tracer trc = new Tracer();
            SCXML doc = SCXMLReader.read(new URL(documentURI));
            if (doc == null) {
                System.err.println("The SCXML document " + uri
                        + " can not be parsed!");
                System.exit(-1);
            }
            System.out.println(SCXMLWriter.write(doc));
            SCXMLExecutor exec = new SCXMLExecutor(evaluator, null, trc);
            EventDispatcher ed = new SimpleScheduler(exec);
            exec.setEventdispatcher(ed);
            exec.setStateMachine(doc);
            exec.addListener(doc, trc);
            exec.registerInvokerClass("scxml", SimpleSCXMLInvoker.class);
            exec.setRootContext(rootCtx);
            exec.go();
            BufferedReader br = new BufferedReader(new
                InputStreamReader(System.in));
            String event;
            while ((event = br.readLine()) != null) {
                event = event.trim();
                if (event.equalsIgnoreCase("help") || event.equals("?")) {
                    System.out.println("Enter a space-separated list of "
                        + "events");
                    System.out.println("To populate a variable in the "
                        + "current context, type \"name=value\"");
                    System.out.println("To quit, enter \"quit\"");
                    System.out.println("To reset state machine, enter "
                        + "\"reset\"");
                } else if (event.equalsIgnoreCase("quit")) {
                    break;
                } else if (event.equalsIgnoreCase("reset")) {
                    exec.reset();
                } else if (event.indexOf('=') != -1) {
                    int marker = event.indexOf('=');
                    String name = event.substring(0, marker);
                    String value = event.substring(marker + 1);
                    rootCtx.setLocal(name, value);
                    System.out.println("Set variable " + name + " to "
                        + value);
                } else if (event == null || event.trim().length() == 0
                           || event.equalsIgnoreCase("null")) {
                    TriggerEvent[] evts = {new TriggerEvent(null,
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        else if (!transition.isNoEventsTransition()) {
            return false;
        }
        if (transition.getCond() != null) {
            Boolean result = Boolean.FALSE;
            Context context = exctx.getScInstance().getContext(transition.getParent());
            context.setLocal(Context.NAMESPACES_KEY, transition.getNamespaces());
            try {
                if ((result = exctx.getEvaluator().evalCond(context, transition.getCond())) == null) {
                    result = Boolean.FALSE;
                    if (exctx.getAppLog().isDebugEnabled()) {
                        exctx.getAppLog().debug("Treating as false because the cond expression was evaluated as null: '"
                                + transition.getCond() + "'");
                    }
                }
            }
            catch (SCXMLExpressionException e) {
                exctx.getInternalIOProcessor().addEvent(new TriggerEvent(TriggerEvent.ERROR_EXECUTION, TriggerEvent.ERROR_EVENT));
                exctx.getErrorReporter().onError(ErrorConstants.EXPRESSION_ERROR, "Treating as false due to error: "
                        + e.getMessage(), transition);
            }
            finally {
                context.setLocal(Context.NAMESPACES_KEY, null);
            }
            return result;
        }
        return true;
    }
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     * @param scInstance the state machine instance holding the system context
     * @param event The event being stored
     * @param internal Flag indicating the event was received internally or externally
     */
    public void setSystemEventVariable(final SCInstance scInstance, final TriggerEvent event, boolean internal) {
        Context systemContext = scInstance.getSystemContext();
        EventVariable eventVar = null;
        if (event != null) {
            String eventType = internal ? EventVariable.TYPE_INTERNAL : EventVariable.TYPE_EXTERNAL;

            final int triggerEventType = event.getType();
            if (triggerEventType == TriggerEvent.ERROR_EVENT || triggerEventType == TriggerEvent.CHANGE_EVENT) {
                eventType = EventVariable.TYPE_PLATFORM;
            }

            // TODO: determine sendid, origin, originType and invokeid based on context later.
            eventVar = new EventVariable(event.getName(), eventType, null, null, null, null, event.getPayload());
        }
        systemContext.setLocal(SCXMLSystemContext.EVENT_KEY, eventVar);
    }
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        Evaluator eval = exctx.getEvaluator();
        for (TransitionalState ts : statesToInvoke) {
            if (ts.getInvokes().isEmpty()) {
                continue;
            }
            Context context = scInstance.getContext(ts);
            for (Invoke i : ts.getInvokes()) {
                String src = i.getSrc();
                if (src == null) {
                    String srcexpr = i.getSrcexpr();
                    Object srcObj;
                    try {
                        context.setLocal(Context.NAMESPACES_KEY, i.getNamespaces());
                        srcObj = eval.eval(context, srcexpr);
                        context.setLocal(Context.NAMESPACES_KEY, null);
                        src = String.valueOf(srcObj);
                    } catch (SCXMLExpressionException see) {
                        exctx.getInternalIOProcessor().addEvent(new TriggerEvent(TriggerEvent.ERROR_EXECUTION, TriggerEvent.ERROR_EVENT));
                        exctx.getErrorReporter().onError(ErrorConstants.EXPRESSION_ERROR, see.getMessage(), i);
                    }
                }
                String source = src;
                PathResolver pr = i.getPathResolver();
                if (pr != null) {
                    source = i.getPathResolver().resolvePath(src);
                }
                Invoker inv;
                try {
                    inv = exctx.newInvoker(i.getType());
                } catch (InvokerException ie) {
                    exctx.getInternalIOProcessor().addEvent(new TriggerEvent("failed.invoke."+ts.getId(), TriggerEvent.ERROR_EVENT));
                    continue;
                }
                List<Param> params = i.params();
                Map<String, Object> args = new HashMap<String, Object>();
                for (Param p : params) {
                    String argExpr = p.getExpr();
                    Object argValue = null;
                    context.setLocal(Context.NAMESPACES_KEY, p.getNamespaces());
                    // Do we have an "expr" attribute?
                    if (argExpr != null && argExpr.trim().length() > 0) {
                        try {
                            argValue = eval.eval(context, argExpr);
                        } catch (SCXMLExpressionException see) {
                            exctx.getInternalIOProcessor().addEvent(new TriggerEvent(TriggerEvent.ERROR_EXECUTION, TriggerEvent.ERROR_EVENT));
                            exctx.getErrorReporter().onError(ErrorConstants.EXPRESSION_ERROR, see.getMessage(), i);
                        }
                    } else {
                        // No. Does value of "name" attribute refer to a valid
                        // location in the data model?
                        try {
                            argValue = eval.evalLocation(context, p.getName());
                            if (argValue == null) {
                                // Generate error, 4.3.1 in WD-scxml-20080516
                                exctx.getInternalIOProcessor().addEvent(new TriggerEvent(ts.getId() + ERR_ILLEGAL_ALLOC, TriggerEvent.ERROR_EVENT));
                            }
                        } catch (SCXMLExpressionException see) {
                            exctx.getInternalIOProcessor().addEvent(new TriggerEvent(TriggerEvent.ERROR_EXECUTION, TriggerEvent.ERROR_EVENT));
                            exctx.getErrorReporter().onError(ErrorConstants.EXPRESSION_ERROR, see.getMessage(), i);
                        }
                    }
                    context.setLocal(Context.NAMESPACES_KEY, null);
                    args.put(p.getName(), argValue);
                }
                String invokeId = exctx.setInvoker(i, inv);
                inv.setInvokeId(invokeId);
                inv.setParentIOProcessor(exctx.getExternalIOProcessor());
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                    SortedMap<String, ContextConfig> configs = Maps.newTreeMap();
                   
                    if (token == Token.START_OBJECT) {
                        while ((token = parser.nextToken()) != Token.END_OBJECT) {
                            String name = parser.text();
                            ContextMapping mapping = contextMapping.get(name);
                            if (mapping == null) {
                                throw new ElasticsearchParseException("context [" + name + "] is not defined");
                            } else {
                                token = parser.nextToken();
                                configs.put(name, mapping.parseContext(context, parser));
                            }
                        }
                        contextConfig = Maps.newTreeMap();
                        for (ContextMapping mapping : contextMapping.values()) {
                            ContextConfig config = configs.get(mapping.name());
                            contextConfig.put(mapping.name(), config==null ? mapping.defaultConfig() : config);
                        }
                    } else {
                        throw new ElasticsearchParseException("context must be an object");
                    }
                } else if (Fields.CONTENT_FIELD_NAME_PAYLOAD.equals(currentFieldName)) {
                    if (!isStoringPayloads()) {
                        throw new MapperException("Payloads disabled in mapping");
                    }
                    if (token == XContentParser.Token.START_OBJECT) {
                        XContentBuilder payloadBuilder = XContentFactory.contentBuilder(parser.contentType()).copyCurrentStructure(parser);
                        payload = payloadBuilder.bytes().toBytesRef();
                        payloadBuilder.close();
                    } else if (token.isValue()) {
                        payload = parser.utf8BytesOrNull();
                    } else {
                        throw new MapperException("payload doesn't support type " + token);
                    }
                } else if (token == XContentParser.Token.VALUE_STRING) {
                    if (Fields.CONTENT_FIELD_NAME_OUTPUT.equals(currentFieldName)) {
                        surfaceForm = parser.text();
                    }
                    if (Fields.CONTENT_FIELD_NAME_INPUT.equals(currentFieldName)) {
                        inputs.add(parser.text());
                    }
                    if (Fields.CONTENT_FIELD_NAME_WEIGHT.equals(currentFieldName)) {
                        Number weightValue;
                        try {
                            weightValue = Long.parseLong(parser.text());
                        } catch (NumberFormatException e) {
                            throw new ElasticsearchIllegalArgumentException("Weight must be a string representing a numeric value, but was [" + parser.text() + "]");
                        }
                        weight = weightValue.longValue(); // always parse a long to make sure we don't get overflow
                        checkWeight(weight);
                    }
                } else if (token == XContentParser.Token.VALUE_NUMBER) {
                    if (Fields.CONTENT_FIELD_NAME_WEIGHT.equals(currentFieldName)) {
                        NumberType numberType = parser.numberType();
                        if (NumberType.LONG != numberType && NumberType.INT != numberType) {
                            throw new ElasticsearchIllegalArgumentException("Weight must be an integer, but was [" + parser.numberValue() + "]");
                        }
                        weight = parser.longValue(); // always parse a long to make sure we don't get overflow
                        checkWeight(weight);
                    }
                } else if (token == XContentParser.Token.START_ARRAY) {
                    if (Fields.CONTENT_FIELD_NAME_INPUT.equals(currentFieldName)) {
                        while ((token = parser.nextToken()) != XContentParser.Token.END_ARRAY) {
                            inputs.add(parser.text());
                        }
                    }
                }
            }
        }

        if(contextConfig == null) {
            contextConfig = Maps.newTreeMap();
            for (ContextMapping mapping : contextMapping.values()) {
                contextConfig.put(mapping.name(), mapping.defaultConfig());
            }
        }

        final ContextMapping.Context ctx = new ContextMapping.Context(contextConfig, context.doc());
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