Examples with Source org.wso2.siddhi.core.stream.input.source.Source used on opensource projects

Example 11 with Source

use of org.wso2.siddhi.core.stream.input.source.Source in project siddhi by wso2.

the class SiddhiQLBaseVisitorImpl method visitQuery_output.

/**
 * {@inheritDoc}
 * <p>The default implementation returns the result of calling
 * {@link #visitChildren} on {@code ctx}.</p>
 *
 * @param ctx
 */
@Override
public OutputStream visitQuery_output(@NotNull SiddhiQLParser.Query_outputContext ctx) {
    if (ctx.INSERT() != null) {
        Source source = (Source) visit(ctx.target());
        if (ctx.UPDATE() != null && ctx.OR() != null) {
            if (source.isInnerStream) {
                throw newSiddhiParserException(ctx, "UPDATE OR INTO INSERT be only used with Tables!");
            }
            if (ctx.output_event_type() != null) {
                if (ctx.set_clause() != null) {
                    OutputStream outputStream = new UpdateOrInsertStream(source.streamId, (OutputStream.OutputEventType) visit(ctx.output_event_type()), (UpdateSet) visit(ctx.set_clause()), (Expression) visit(ctx.expression()));
                    populateQueryContext(outputStream, ctx);
                    return outputStream;
                } else {
                    OutputStream outputStream = new UpdateOrInsertStream(source.streamId, (OutputStream.OutputEventType) visit(ctx.output_event_type()), (Expression) visit(ctx.expression()));
                    populateQueryContext(outputStream, ctx);
                    return outputStream;
                }
            } else {
                if (ctx.set_clause() != null) {
                    OutputStream outputStream = new UpdateOrInsertStream(source.streamId, (UpdateSet) visit(ctx.set_clause()), (Expression) visit(ctx.expression()));
                    populateQueryContext(outputStream, ctx);
                    return outputStream;
                } else {
                    OutputStream outputStream = new UpdateOrInsertStream(source.streamId, (Expression) visit(ctx.expression()));
                    populateQueryContext(outputStream, ctx);
                    return outputStream;
                }
            }
        } else {
            if (ctx.output_event_type() != null) {
                OutputStream outputStream = new InsertIntoStream(source.streamId, source.isInnerStream, (OutputStream.OutputEventType) visit(ctx.output_event_type()));
                populateQueryContext(outputStream, ctx);
                return outputStream;
            } else {
                OutputStream outputStream = new InsertIntoStream(source.streamId, source.isInnerStream);
                populateQueryContext(outputStream, ctx);
                return outputStream;
            }
        }
    } else if (ctx.DELETE() != null) {
        Source source = (Source) visit(ctx.target());
        if (source.isInnerStream) {
            throw newSiddhiParserException(ctx, "DELETE can be only used with Tables!");
        }
        if (ctx.output_event_type() != null) {
            OutputStream outputStream = new DeleteStream(source.streamId, (OutputStream.OutputEventType) visit(ctx.output_event_type()), (Expression) visit(ctx.expression()));
            populateQueryContext(outputStream, ctx);
            return outputStream;
        } else {
            OutputStream outputStream = new DeleteStream(source.streamId, (Expression) visit(ctx.expression()));
            populateQueryContext(outputStream, ctx);
            return outputStream;
        }
    } else if (ctx.UPDATE() != null) {
        Source source = (Source) visit(ctx.target());
        if (source.isInnerStream) {
            throw newSiddhiParserException(ctx, "DELETE can be only used with Tables!");
        }
        if (ctx.output_event_type() != null) {
            if (ctx.set_clause() != null) {
                OutputStream outputStream = new UpdateStream(source.streamId, (OutputStream.OutputEventType) visit(ctx.output_event_type()), (UpdateSet) visit(ctx.set_clause()), (Expression) visit(ctx.expression()));
                populateQueryContext(outputStream, ctx);
                return outputStream;
            } else {
                OutputStream outputStream = new UpdateStream(source.streamId, (OutputStream.OutputEventType) visit(ctx.output_event_type()), (Expression) visit(ctx.expression()));
                populateQueryContext(outputStream, ctx);
                return outputStream;
            }
        } else {
            if (ctx.set_clause() != null) {
                OutputStream outputStream = new UpdateStream(source.streamId, (UpdateSet) visit(ctx.set_clause()), (Expression) visit(ctx.expression()));
                populateQueryContext(outputStream, ctx);
                return outputStream;
            } else {
                OutputStream outputStream = new UpdateStream(source.streamId, (Expression) visit(ctx.expression()));
                populateQueryContext(outputStream, ctx);
                return outputStream;
            }
        }
    } else if (ctx.RETURN() != null) {
        if (ctx.output_event_type() != null) {
            OutputStream outputStream = new ReturnStream((OutputStream.OutputEventType) visit(ctx.output_event_type()));
            populateQueryContext(outputStream, ctx);
            return outputStream;
        } else {
            OutputStream outputStream = new ReturnStream();
            populateQueryContext(outputStream, ctx);
            return outputStream;
        }
    } else {
        throw newSiddhiParserException(ctx);
    }
}

Example 12 with Source

use of org.wso2.siddhi.core.stream.input.source.Source in project siddhi by wso2.

the class SiddhiQLBaseVisitorImpl method visitStandard_stream.

/**
 * {@inheritDoc}
 * <p>The default implementation returns the result of calling
 * {@link #visitChildren} on {@code ctx}.</p>
 *
 * @param ctx
 */
@Override
public SingleInputStream visitStandard_stream(@NotNull SiddhiQLParser.Standard_streamContext ctx) {
    // standard_stream
    // : io (basic_source_stream_handler)* window? (basic_source_stream_handler)*
    // ;
    Source source = (Source) visit(ctx.source());
    BasicSingleInputStream basicSingleInputStream = new BasicSingleInputStream(null, source.streamId, source.isInnerStream);
    if (ctx.pre_window_handlers != null) {
        basicSingleInputStream.addStreamHandlers((List<StreamHandler>) visit(ctx.pre_window_handlers));
    }
    if (ctx.window() == null && ctx.post_window_handlers == null) {
        populateQueryContext(basicSingleInputStream, ctx);
        return basicSingleInputStream;
    } else if (ctx.window() != null) {
        SingleInputStream singleInputStream = new SingleInputStream(basicSingleInputStream, (Window) visit(ctx.window()));
        if (ctx.post_window_handlers != null) {
            singleInputStream.addStreamHandlers((List<StreamHandler>) visit(ctx.post_window_handlers));
        }
        populateQueryContext(singleInputStream, ctx);
        return singleInputStream;
    } else {
        throw newSiddhiParserException(ctx);
    }
}

Example 13 with Source

use of org.wso2.siddhi.core.stream.input.source.Source in project siddhi by wso2.

the class SiddhiCompiler method parseFunctionDefinition.

public static FunctionDefinition parseFunctionDefinition(String source) throws SiddhiParserException {
    ANTLRInputStream input = new ANTLRInputStream(source);
    SiddhiQLLexer lexer = new SiddhiQLLexer(input);
    lexer.removeErrorListeners();
    lexer.addErrorListener(SiddhiErrorListener.INSTANCE);
    CommonTokenStream tokens = new CommonTokenStream(lexer);
    SiddhiQLParser parser = new SiddhiQLParser(tokens);
    parser.removeErrorListeners();
    parser.addErrorListener(SiddhiErrorListener.INSTANCE);
    ParseTree tree = parser.definition_function_final();
    SiddhiQLVisitor eval = new SiddhiQLBaseVisitorImpl();
    return (FunctionDefinition) eval.visit(tree);
}

Example 14 with Source

use of org.wso2.siddhi.core.stream.input.source.Source in project siddhi by wso2.

the class SiddhiCompiler method parseTimeConstantDefinition.

public static TimeConstant parseTimeConstantDefinition(String source) throws SiddhiParserException {
    ANTLRInputStream input = new ANTLRInputStream(source);
    SiddhiQLLexer lexer = new SiddhiQLLexer(input);
    lexer.removeErrorListeners();
    lexer.addErrorListener(SiddhiErrorListener.INSTANCE);
    CommonTokenStream tokens = new CommonTokenStream(lexer);
    SiddhiQLParser parser = new SiddhiQLParser(tokens);
    parser.removeErrorListeners();
    parser.addErrorListener(SiddhiErrorListener.INSTANCE);
    ParseTree tree = parser.time_value();
    SiddhiQLVisitor eval = new SiddhiQLBaseVisitorImpl();
    return (TimeConstant) eval.visit(tree);
}

Example 15 with Source

use of org.wso2.siddhi.core.stream.input.source.Source in project carbon-apimgt by wso2.

the class SampleTestObjectCreator method createDefaultSiddhiAppForAPIThrottlePolicy.

public static String createDefaultSiddhiAppForAPIThrottlePolicy() {
    APIPolicy apiPolicy = createDefaultAPIPolicy();
    String siddhiApp = "\n@App:name('resource_" + apiPolicy.getPolicyName() + "_condition_0')" + "\n@App:description('ExecutionPlan for resource_" + apiPolicy.getPolicyName() + "_condition_0')\n" + "\n@source(type='inMemory', topic='apim', @map(type='passThrough'))" + "\ndefine stream RequestStream (messageID string, appKey string, appTier string, " + "subscriptionKey string," + " apiKey string, apiTier string, subscriptionTier string, resourceKey string," + " resourceTier string, userId string,  apiContext string, apiVersion string, " + "appTenant string, apiTenant " + "string, appId string, apiName string, propertiesMap string);\n" + "\n@sink(type='jms', @map(type='text')," + "\nfactory.initial='org.wso2.andes.jndi.PropertiesFileInitialContextFactory'," + " provider.url='tcp://localhost:5672', " + "destination='TEST.FOO', connection.factory.type='topic'," + "\nconnection.factory.jndi.name='TopicConnectionFactory')" + "\ndefine stream GlobalThrottleStream (throttleKey string, isThrottled bool," + " expiryTimeStamp long);\n" + "\nFROM RequestStream" + "\nSELECT messageID, (resourceTier == 'SampleAPIPolicy' AND (regex:find('Chrome'," + "cast(map:get(propertiesMap,'Browser')," + "'string'))) AND (regex:find('attributed'," + "cast(map:get(propertiesMap,'/path/path2'),'string'))) AND " + "(cast(map:get(propertiesMap,'Location'),'string')=='Colombo'))" + " AS isEligible, str:concat(resourceKey," + "'_condition_0') AS throttleKey, propertiesMap" + "\nINSERT INTO EligibilityStream;\n" + "\nFROM EligibilityStream[isEligible==true]#throttler:timeBatch(1 s, 0)" + "\nselect throttleKey, (count(messageID) >= 1000) as isThrottled," + " expiryTimeStamp group by throttleKey" + "\nINSERT ALL EVENTS into ResultStream;\n" + "\nfrom ResultStream#throttler:emitOnStateChange(throttleKey, isThrottled)" + "\nselect *" + "\ninsert into GlobalThrottleStream;\n";
    return siddhiApp;
}