Examples with Link org.wso2.carbon.bpel.ui.bpel2svg.Link used on opensource projects

Example 6 with Link

use of org.wso2.carbon.bpel.ui.bpel2svg.Link in project siddhi by wso2.

the class Window method init.

/**
 * Initialize the WindowEvent table by creating {@link WindowProcessor} to handle the events.
 *
 * @param tableMap       map of {@link Table}s
 * @param eventWindowMap map of EventWindows
 * @param queryName      name of the query window belongs to.
 */
public void init(Map<String, Table> tableMap, Map<String, Window> eventWindowMap, String queryName) {
    if (this.windowProcessor != null) {
        return;
    }
    // Create and initialize MetaStreamEvent
    MetaStreamEvent metaStreamEvent = new MetaStreamEvent();
    metaStreamEvent.addInputDefinition(windowDefinition);
    metaStreamEvent.setEventType(MetaStreamEvent.EventType.WINDOW);
    metaStreamEvent.initializeAfterWindowData();
    for (Attribute attribute : windowDefinition.getAttributeList()) {
        metaStreamEvent.addOutputData(attribute);
    }
    this.streamEventPool = new StreamEventPool(metaStreamEvent, 5);
    StreamEventCloner streamEventCloner = new StreamEventCloner(metaStreamEvent, this.streamEventPool);
    OutputStream.OutputEventType outputEventType = windowDefinition.getOutputEventType();
    boolean outputExpectsExpiredEvents = outputEventType != OutputStream.OutputEventType.CURRENT_EVENTS;
    WindowProcessor internalWindowProcessor = (WindowProcessor) SingleInputStreamParser.generateProcessor(windowDefinition.getWindow(), metaStreamEvent, new ArrayList<VariableExpressionExecutor>(), this.siddhiAppContext, tableMap, false, outputExpectsExpiredEvents, queryName);
    internalWindowProcessor.setStreamEventCloner(streamEventCloner);
    internalWindowProcessor.constructStreamEventPopulater(metaStreamEvent, 0);
    EntryValveProcessor entryValveProcessor = null;
    if (internalWindowProcessor instanceof SchedulingProcessor) {
        entryValveProcessor = new EntryValveProcessor(this.siddhiAppContext);
        Scheduler scheduler = SchedulerParser.parse(this.siddhiAppContext.getScheduledExecutorService(), entryValveProcessor, this.siddhiAppContext);
        scheduler.init(this.lockWrapper, queryName);
        scheduler.setStreamEventPool(streamEventPool);
        ((SchedulingProcessor) internalWindowProcessor).setScheduler(scheduler);
    }
    if (entryValveProcessor != null) {
        entryValveProcessor.setToLast(internalWindowProcessor);
        this.windowProcessor = entryValveProcessor;
    } else {
        this.windowProcessor = internalWindowProcessor;
    }
    // StreamPublishProcessor must be the last in chain so that it can publish the events to StreamJunction
    this.windowProcessor.setToLast(new StreamPublishProcessor(outputEventType));
    this.internalWindowProcessor = internalWindowProcessor;
}

Example 7 with Link

use of org.wso2.carbon.bpel.ui.bpel2svg.Link in project siddhi by wso2.

the class SiddhiQLBaseVisitorImpl method visitAnonymous_stream.

/**
 * {@inheritDoc}
 * <p>The default implementation returns the result of calling
 * {@link #visitChildren} on {@code ctx}.</p>
 *
 * @param ctx
 */
@Override
public AnonymousInputStream visitAnonymous_stream(@NotNull SiddhiQLParser.Anonymous_streamContext ctx) {
    if (ctx.anonymous_stream() != null) {
        return (AnonymousInputStream) visit(ctx.anonymous_stream());
    }
    Set<String> activeStreamsBackup = activeStreams;
    try {
        activeStreams = new HashSet<String>();
        Query query = Query.query().from((InputStream) visit(ctx.query_input()));
        if (ctx.query_section() != null) {
            query.select((Selector) visit(ctx.query_section()));
        }
        if (ctx.output_rate() != null) {
            query.output((OutputRate) visit(ctx.output_rate()));
        }
        if (ctx.output_event_type() != null) {
            query.outStream(new ReturnStream((OutputStream.OutputEventType) visit(ctx.output_event_type())));
        } else {
            query.outStream(new ReturnStream());
        }
        AnonymousInputStream anonymousInputStream = new AnonymousInputStream(query);
        populateQueryContext(anonymousInputStream, ctx);
        return anonymousInputStream;
    } finally {
        activeStreams.clear();
        activeStreams = activeStreamsBackup;
    }
}

Example 8 with Link

use of org.wso2.carbon.bpel.ui.bpel2svg.Link in project siddhi by wso2.

the class SiddhiQLBaseVisitorImpl method visitSigned_float_value.

/**
 * {@inheritDoc}
 * <p>The default implementation returns the result of calling
 * {@link #visitChildren} on {@code ctx}.</p>
 *
 * @param ctx
 */
@Override
public FloatConstant visitSigned_float_value(@NotNull SiddhiQLParser.Signed_float_valueContext ctx) {
    FloatConstant floatConstant = Expression.value(Float.parseFloat(ctx.getText()));
    populateQueryContext(floatConstant, ctx);
    return floatConstant;
}

Example 9 with Link

use of org.wso2.carbon.bpel.ui.bpel2svg.Link in project siddhi by wso2.

the class SiddhiQLBaseVisitorImpl method visitDefinition_table.

/**
 * {@inheritDoc}
 * <p>The default implementation returns the result of calling
 * {@link #visitChildren} on {@code ctx}.</p>
 *
 * @param ctx
 */
@Override
public TableDefinition visitDefinition_table(@NotNull SiddhiQLParser.Definition_tableContext ctx) {
    // definition_table
    // : annotation* DEFINE TABLE source '(' attribute_name attribute_type (',' attribute_name attribute_type )*
    // ')' definition_store?
    // ;
    Source source = (Source) visit(ctx.source());
    if (source.isInnerStream) {
        throw newSiddhiParserException(ctx, "'#' cannot be used, because Tables can't be defined as " + "InnerStream!");
    }
    TableDefinition tableDefinition = TableDefinition.id(source.streamId);
    List<SiddhiQLParser.Attribute_nameContext> attribute_names = ctx.attribute_name();
    List<SiddhiQLParser.Attribute_typeContext> attribute_types = ctx.attribute_type();
    for (int i = 0; i < attribute_names.size(); i++) {
        SiddhiQLParser.Attribute_nameContext attributeNameContext = attribute_names.get(i);
        SiddhiQLParser.Attribute_typeContext attributeTypeContext = attribute_types.get(i);
        tableDefinition.attribute((String) visit(attributeNameContext), (Attribute.Type) visit(attributeTypeContext));
    }
    for (SiddhiQLParser.AnnotationContext annotationContext : ctx.annotation()) {
        tableDefinition.annotation((Annotation) visit(annotationContext));
    }
    populateQueryContext(tableDefinition, ctx);
    return tableDefinition;
}

Example 10 with Link

use of org.wso2.carbon.bpel.ui.bpel2svg.Link in project siddhi by wso2.

the class SiddhiQLBaseVisitorImpl method visitPattern_collection_stateful_source.

/**
 * {@inheritDoc}
 * <p>The default implementation returns the result of calling
 * {@link #visitChildren} on {@code ctx}.</p>
 *
 * @param ctx
 */
@Override
public CountStateElement visitPattern_collection_stateful_source(@NotNull SiddhiQLParser.Pattern_collection_stateful_sourceContext ctx) {
    StreamStateElement streamStateElement = (StreamStateElement) visit(ctx.standard_stateful_source());
    if (ctx.collect() != null) {
        Object[] minMax = (Object[]) visit(ctx.collect());
        int min = CountStateElement.ANY;
        int max = CountStateElement.ANY;
        if (minMax[0] != null) {
            min = (Integer) minMax[0];
        }
        if (minMax[1] != null) {
            max = (Integer) minMax[1];
        }
        CountStateElement stateElement = new CountStateElement(streamStateElement, min, max);
        populateQueryContext(stateElement, ctx);
        return stateElement;
    } else {
        throw newSiddhiParserException(ctx);
    }
}