use of org.wso2.siddhi.query.api.execution.query.input.handler.Window 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);
}
}
use of org.wso2.siddhi.query.api.execution.query.input.handler.Window in project siddhi by wso2.
the class SimpleQueryTestCase method test12.
@Test
public void test12() throws SiddhiParserException {
Query query = SiddhiCompiler.parseQuery("from StockStream[price>3]#window.length(50) " + "select symbol, avg(price) as avgPrice " + "group by symbol " + "having (price >= 20)" + "order by avgPrice desc " + "limit 5 " + "insert all events into StockQuote; ");
AssertJUnit.assertNotNull(query);
Query api = Query.query().from(InputStream.stream("StockStream").filter(Expression.compare(Expression.variable("price"), Compare.Operator.GREATER_THAN, Expression.value(3))).window("length", Expression.value(50))).select(Selector.selector().select(Expression.variable("symbol")).select("avgPrice", Expression.function("avg", Expression.variable("price"))).groupBy(Expression.variable("symbol")).having(Expression.compare(Expression.variable("price"), Compare.Operator.GREATER_THAN_EQUAL, Expression.value(20))).orderBy(Expression.variable("avgPrice"), OrderByAttribute.Order.DESC).limit(Expression.value(5))).insertInto("StockQuote", OutputStream.OutputEventType.ALL_EVENTS);
AssertJUnit.assertEquals(api, query);
}
use of org.wso2.siddhi.query.api.execution.query.input.handler.Window in project siddhi by wso2.
the class SimpleQueryTestCase method test7.
@Test
public void test7() {
Query query = SiddhiCompiler.parseQuery("from StockStream[7+9.5 < price or 100 <= volume]#window.length(50) " + " " + "select symbol, avg(price) as avgPrice " + "group by symbol " + "having avgPrice!= 50 " + "insert into OutStockStream ;");
AssertJUnit.assertNotNull(query);
Query api = Query.query();
api.from(InputStream.stream("StockStream").filter(Expression.or(Expression.compare(Expression.add(Expression.value(7), Expression.value(9.5)), Compare.Operator.LESS_THAN, Expression.variable("price")), Expression.compare(Expression.value(100), Compare.Operator.LESS_THAN_EQUAL, Expression.variable("volume")))).window("length", Expression.value(50)));
api.select(Selector.selector().select("symbol", Expression.variable("symbol")).select("avgPrice", Expression.function("avg", Expression.variable("price"))).groupBy(Expression.variable("symbol")).having(Expression.compare(Expression.variable("avgPrice"), Compare.Operator.NOT_EQUAL, Expression.value(50))));
api.insertInto("OutStockStream");
AssertJUnit.assertEquals(api, query);
}
use of org.wso2.siddhi.query.api.execution.query.input.handler.Window in project siddhi by wso2.
the class SimpleQueryTestCase method test2.
@Test
public void test2() throws SiddhiParserException {
Query query = SiddhiCompiler.parseQuery("from StockStream [price >= 20]#window.lengthBatch(50) " + "select symbol, avg(price) as avgPrice " + "group by symbol " + "having avgPrice>50 " + "insert into StockQuote; ");
AssertJUnit.assertNotNull(query);
Query api = Query.query().from(InputStream.stream("StockStream").filter(Expression.compare(Expression.variable("price"), Compare.Operator.GREATER_THAN_EQUAL, Expression.value(20))).window("lengthBatch", Expression.value(50))).select(Selector.selector().select(Expression.variable("symbol")).select("avgPrice", Expression.function("avg", Expression.variable("price"))).groupBy(Expression.variable("symbol")).having(Expression.compare(Expression.variable("avgPrice"), Compare.Operator.GREATER_THAN, Expression.value(50)))).insertInto("StockQuote");
AssertJUnit.assertEquals(api, query);
}
use of org.wso2.siddhi.query.api.execution.query.input.handler.Window in project siddhi by wso2.
the class SimpleQueryTestCase method testCreatingReturnFilterQueryWithFunction.
@Test
public void testCreatingReturnFilterQueryWithFunction() {
Query query = Query.query();
query.from(InputStream.stream("StockStream").filter(Expression.and(Expression.compare(Expression.function("FooBarCond", Expression.value(7), Expression.value(9.5)), Compare.Operator.GREATER_THAN, Expression.variable("price")), Expression.function("BarCond", Expression.value(100), Expression.variable("volume")))).function("ext", "Foo", Expression.value(67), Expression.value(89)).window("ext", "lengthFirst10", Expression.value(50)));
query.select(Selector.selector().select("symbol", Expression.variable("symbol")).select("avgPrice", Expression.function("ext", "avg", Expression.variable("symbol"))));
}
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