Examples with StreamDefinition io.siddhi.query.api.definition.StreamDefinition used on opensource projects

Example 46 with StreamDefinition

use of io.siddhi.query.api.definition.StreamDefinition in project siddhi by wso2.

the class FilterTestCase2 method testFilterQuery92.

@Test
public void testFilterQuery92() throws InterruptedException {
    log.info("Filter test92");
    SiddhiManager siddhiManager = new SiddhiManager();
    StreamDefinition cseEventStream = StreamDefinition.id("cseEventStream").attribute("symbol", Attribute.Type.STRING).attribute("price", Attribute.Type.FLOAT).attribute("volume", Attribute.Type.LONG).attribute("quantity", Attribute.Type.INT);
    Query query = new Query();
    query.from(InputStream.stream("cseEventStream").filter(Expression.compare(Expression.variable("volume"), Compare.Operator.LESS_THAN, Expression.value(100d))));
    query.annotation(Annotation.annotation("info").element("name", "query1"));
    query.select(Selector.selector().select("symbol", Expression.variable("symbol")).select("price", Expression.variable("price")).select("quantity", Expression.variable("quantity")));
    query.insertInto("outputStream");
    SiddhiApp siddhiApp = new SiddhiApp("ep1");
    siddhiApp.defineStream(cseEventStream);
    siddhiApp.addQuery(query);
    SiddhiAppRuntime siddhiAppRuntime = siddhiManager.createSiddhiAppRuntime(siddhiApp);
    siddhiAppRuntime.addCallback("query1", new QueryCallback() {

        @Override
        public void receive(long timeStamp, Event[] inEvents, Event[] removeEvents) {
            EventPrinter.print(timeStamp, inEvents, removeEvents);
            count.addAndGet(inEvents.length);
        }
    });
    InputHandler inputHandler = siddhiAppRuntime.getInputHandler("cseEventStream");
    siddhiAppRuntime.start();
    inputHandler.send(new Object[] { "WSO2", 50f, 60L, 6 });
    inputHandler.send(new Object[] { "WSO2", 70f, 40L, 10 });
    inputHandler.send(new Object[] { "WSO2", 44f, 200L, 56 });
    SiddhiTestHelper.waitForEvents(10, 2, count, 100);
    AssertJUnit.assertEquals(2, count.get());
    siddhiAppRuntime.shutdown();
}

Example 47 with StreamDefinition

use of io.siddhi.query.api.definition.StreamDefinition in project siddhi by wso2.

the class FilterTestCase2 method testFilterQuery96.

@Test
public void testFilterQuery96() throws InterruptedException {
    log.info("Filter test96");
    SiddhiManager siddhiManager = new SiddhiManager();
    StreamDefinition cseEventStream = StreamDefinition.id("cseEventStream").attribute("symbol", Attribute.Type.STRING).attribute("price", Attribute.Type.DOUBLE).attribute("volume", Attribute.Type.DOUBLE);
    Query query = new Query();
    query.from(InputStream.stream("cseEventStream").filter(Expression.compare(Expression.variable("price"), Compare.Operator.GREATER_THAN_EQUAL, Expression.value(50))));
    query.annotation(Annotation.annotation("info").element("name", "query1"));
    query.select(Selector.selector().select("symbol", Expression.variable("symbol")).select("price", Expression.variable("price")));
    query.insertInto("outputStream");
    SiddhiApp siddhiApp = new SiddhiApp("ep1");
    siddhiApp.defineStream(cseEventStream);
    siddhiApp.addQuery(query);
    SiddhiAppRuntime siddhiAppRuntime = siddhiManager.createSiddhiAppRuntime(siddhiApp);
    siddhiAppRuntime.addCallback("query1", new QueryCallback() {

        @Override
        public void receive(long timeStamp, Event[] inEvents, Event[] removeEvents) {
            EventPrinter.print(timeStamp, inEvents, removeEvents);
            count.addAndGet(inEvents.length);
        }
    });
    InputHandler inputHandler = siddhiAppRuntime.getInputHandler("cseEventStream");
    siddhiAppRuntime.start();
    inputHandler.send(new Object[] { "WSO2", 50d, 60d });
    inputHandler.send(new Object[] { "WSO2", 70d, 40d });
    inputHandler.send(new Object[] { "WSO2", 44d, 200d });
    SiddhiTestHelper.waitForEvents(10, 2, count, 100);
    AssertJUnit.assertEquals(2, count.get());
    siddhiAppRuntime.shutdown();
}

Example 48 with StreamDefinition

use of io.siddhi.query.api.definition.StreamDefinition in project siddhi by wso2.

the class SiddhiQLBaseVisitorImpl method visitDefinition_stream.

/**
 * {@inheritDoc}
 * <p>The default implementation returns the result of calling
 * {@link #visitChildren} on {@code ctx}.</p>
 *
 * @param ctx
 */
@Override
public StreamDefinition visitDefinition_stream(@NotNull SiddhiQLParser.Definition_streamContext ctx) {
    Source source = (Source) visit(ctx.source());
    if (source.isInnerStream) {
        throw newSiddhiParserException(ctx, " InnerStreams cannot be defined!");
    }
    if (source.isFaultStream) {
        throw newSiddhiParserException(ctx, " FaultStreams cannot be explicitly defined!");
    }
    try {
        StreamDefinition streamDefinition = StreamDefinition.id(source.streamId);
        populateQueryContext(streamDefinition, ctx);
        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);
            streamDefinition.attribute((String) visit(attributeNameContext), (Attribute.Type) visit(attributeTypeContext));
        }
        for (SiddhiQLParser.AnnotationContext annotationContext : ctx.annotation()) {
            streamDefinition.annotation((Annotation) visit(annotationContext));
        }
        return streamDefinition;
    } catch (Throwable t) {
        throw newSiddhiParserException(ctx, t.getMessage(), t);
    }
}

Example 49 with StreamDefinition

use of io.siddhi.query.api.definition.StreamDefinition in project siddhi by wso2.

the class DefineStreamTestCase method testCreatingStreamDefinition.

// define stream StockStream (symbol string, price int, volume float );
@Test
public void testCreatingStreamDefinition() {
    StreamDefinition streamDefinition = SiddhiCompiler.parseStreamDefinition("define stream StockStream ( symbol " + "string, price int, volume float );");
    StreamDefinition api = StreamDefinition.id("StockStream").attribute("symbol", Attribute.Type.STRING).attribute("price", Attribute.Type.INT).attribute("volume", Attribute.Type.FLOAT);
    AssertJUnit.assertEquals(api, streamDefinition);
}

Example 50 with StreamDefinition

use of io.siddhi.query.api.definition.StreamDefinition in project siddhi by wso2.

the class DefineStreamTestCase method testMultilevelNestedAnnotations3.

@Test
public void testMultilevelNestedAnnotations3() throws SiddhiParserException {
    StreamDefinition streamDefinition = SiddhiCompiler.parseStreamDefinition("@sink(url='http://foo.com/test/{{data}}', " + "   @map(type=\"\"\"xml\"\"\", " + "@payload(\"\"\"{ \"time\":{{time}}}\"\"\") " + "   )" + ") " + "define stream fooStream (id int, name string);");
    AssertJUnit.assertEquals(StreamDefinition.id("fooStream").attribute("id", Attribute.Type.INT).attribute("name", Attribute.Type.STRING).annotation(Annotation.annotation("sink").element("url", "http://foo.com/test/{{data}}").annotation(Annotation.annotation("map").element("type", "xml").annotation(Annotation.annotation("payload").element("{ \"time\":{{time}}}")))), streamDefinition);
}