Examples with Query io.siddhi.query.api.execution.query.Query used on opensource projects

Example 81 with Query

use of io.siddhi.query.api.execution.query.Query in project siddhi by wso2.

the class OutputRateTestCase method testCreatingQuery.

@Test
public void testCreatingQuery() {
    Query query = Query.query();
    query.from(InputStream.stream("cseEventStream").filter(Expression.and(Expression.compare(Expression.add(Expression.value(7), Expression.value(9.5)), Compare.Operator.GREATER_THAN, Expression.variable("price")), Expression.compare(Expression.value(100), Compare.Operator.GREATER_THAN_EQUAL, Expression.variable("volume")))).window("lengthBatch", Expression.value(50)));
    query.select(Selector.selector().select("symbol", Expression.variable("symbol")).select("avgPrice", Expression.function("avg", Expression.variable("symbol"))).groupBy(Expression.variable("symbol")).having(Expression.compare(Expression.variable("avgPrice"), Compare.Operator.GREATER_THAN_EQUAL, Expression.value(50))));
    query.output(OutputRate.perEvents(Expression.value(5)).output(OutputRate.Type.ALL));
    query.insertInto("StockQuote");
}

Example 82 with Query

use of io.siddhi.query.api.execution.query.Query in project siddhi by wso2.

the class PatternQueryTestCase method testPatternQuery1.

// from e1=Stream1[price >= 30] -> e2=Stream1[ price >= 20] -> e3=Stream2[ price >= e1.price]
// select e1.symbol, avg(e2.price ) as avgPrice
// group by e1.symbol
// having avgPrice>50;
// insert into OutputStream
@Test
public void testPatternQuery1() {
    Query query = Query.query();
    query.from(InputStream.patternStream(State.next(State.stream(InputStream.stream("e1", "Stream1").filter(Expression.compare(Expression.variable("price"), Compare.Operator.GREATER_THAN_EQUAL, Expression.value(30)))), State.next(State.stream(InputStream.stream("e2", "Stream1").filter(Expression.compare(Expression.variable("price"), Compare.Operator.GREATER_THAN_EQUAL, Expression.value(20)))), State.stream(InputStream.stream("e3", "Stream2").filter(Expression.compare(Expression.variable("price"), Compare.Operator.GREATER_THAN_EQUAL, Expression.variable("price").ofStream("e1"))))))));
    query.select(Selector.selector().select("symbol", Expression.variable("symbol").ofStream("e1")).select("avgPrice", Expression.function("avg", Expression.variable("price").ofStream("e2"))).groupBy(Expression.variable("symbol").ofStream("e1")).having(Expression.compare(Expression.variable("avgPrice"), Compare.Operator.GREATER_THAN, Expression.value(50))));
    query.insertInto("OutputStream");
}

Example 83 with Query

use of io.siddhi.query.api.execution.query.Query in project siddhi by wso2.

the class PatternQueryTestCase method testPatternQuery8.

// from every (e1=Stream1[price >= 30]) -> e2=Stream1[ prev.price >= 20]<:5> -> e3=Stream2[ price >= e1.price] ->
// e4=Stream3[price>74]
// select e1.symbol, avg(e2.price ) as avgPrice
// insert into OutputStream
@Test
public void testPatternQuery8() {
    Query query = Query.query();
    query.from(InputStream.patternStream(State.next(State.every(State.stream(InputStream.stream("e1", "Stream1").filter(Expression.compare(Expression.variable("price"), Compare.Operator.GREATER_THAN_EQUAL, Expression.value(30))))), State.next(State.countLessThanEqual(State.stream(InputStream.stream("e2", "Stream1").filter(Expression.compare(Expression.variable("price").ofStream("e2", Variable.LAST), Compare.Operator.GREATER_THAN_EQUAL, Expression.value(20)))), 5), State.next(State.stream(InputStream.stream("e3", "Stream2").filter(Expression.compare(Expression.variable("price"), Compare.Operator.GREATER_THAN_EQUAL, Expression.variable("price").ofStream("e1")))), State.stream(InputStream.stream("e4", "Stream3").filter(Expression.compare(Expression.variable("price"), Compare.Operator.GREATER_THAN, Expression.value(74)))))))));
    query.select(Selector.selector().select("symbol", Expression.variable("symbol").ofStream("e1")).select("avgPrice", Expression.function("avg", Expression.variable("price").ofStream("e2"))));
    query.insertInto("OutputStream");
}

Example 84 with Query

use of io.siddhi.query.api.execution.query.Query in project siddhi by wso2.

the class PatternQueryTestCase method testPatternQuery5.

// from every (e1=Stream1[price >= 30]) -> e2=Stream1[ price >= 20] and e3=Stream2[ price >= e1.price] ->
// e4=Stream3[price>74]
// select e1.symbol, avg(e2.price ) as avgPrice
// insert into OutputStream
@Test
public void testPatternQuery5() {
    Query query = Query.query();
    query.from(InputStream.patternStream(State.next(State.every(State.stream(InputStream.stream("e1", "Stream1").filter(Expression.compare(Expression.variable("price"), Compare.Operator.GREATER_THAN_EQUAL, Expression.value(30))))), State.next(State.logicalAnd(State.stream(InputStream.stream("e2", "Stream1").filter(Expression.compare(Expression.variable("price"), Compare.Operator.GREATER_THAN_EQUAL, Expression.value(20)))), State.stream(InputStream.stream("e3", "Stream2").filter(Expression.compare(Expression.variable("price"), Compare.Operator.GREATER_THAN_EQUAL, Expression.variable("price").ofStream("e1"))))), State.stream(InputStream.stream("e4", "Stream3").filter(Expression.compare(Expression.variable("price"), Compare.Operator.GREATER_THAN, Expression.value(74))))))));
    query.select(Selector.selector().select("symbol", Expression.variable("symbol").ofStream("e1")).select("avgPrice", Expression.function("avg", Expression.variable("price").ofStream("e2"))));
    query.insertInto("OutputStream");
}

Example 85 with Query

use of io.siddhi.query.api.execution.query.Query in project siddhi by wso2.

the class PatternQueryTestCase method testPatternQuery15.

@Test
public void testPatternQuery15() {
    Query query = Query.query();
    query.from(InputStream.patternStream(State.next(State.every(State.stream(InputStream.stream("e1", "Stream1").filter(Expression.compare(Expression.variable("price"), Compare.Operator.GREATER_THAN_EQUAL, Expression.value(30))))), State.next(State.zeroOrOne(State.stream(InputStream.stream("e2", "Stream1").filter(Expression.compare(Expression.variable("price").ofStream("e2", Variable.LAST), Compare.Operator.GREATER_THAN_EQUAL, Expression.value(20))))), State.next(State.stream(InputStream.stream("e3", "Stream2").filter(Expression.compare(Expression.variable("price"), Compare.Operator.GREATER_THAN_EQUAL, Expression.variable("price").ofStream("e1")))), State.stream(InputStream.stream("e4", "Stream3").filter(Expression.compare(Expression.variable("price"), Compare.Operator.GREATER_THAN, Expression.value(74)))))))));
    query.select(Selector.selector().select("symbol", Expression.variable("symbol").ofStream("e1")).select("avgPrice", Expression.function("avg", Expression.variable("price").ofStream("e2"))));
    query.insertInto("OutputStream");
}