io.siddhi.query.api.execution.query.input.stream.InputStream Java Examples
The following examples show how to use
io.siddhi.query.api.execution.query.input.stream.InputStream.
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Example #1
| Source File: SimpleQueryTestCase.java From siddhi with Apache License 2.0 | 6 votes |
|
@Test
public void testCreatingReturnFilterQueryLimitOffsetAndSort() {
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"))).
orderBy(Expression.variable("avgPrice"), OrderByAttribute.Order.DESC).
limit(Expression.value(5)).offset(Expression.value(2))
);
}
Example #2
| Source File: DefineAggregationTestCase.java From siddhi with Apache License 2.0 | 6 votes |
|
@Test
public void test2() throws SiddhiParserException {
AggregationDefinition aggregationDefinitionQuery = SiddhiCompiler
.parseAggregationDefinition("define aggregation StockAggregationDefinition " + "from StockStream "
+ "select StockStream.timestamp, StockStream.symbol as symbol, "
+ " StockStream.price as price " + " group by StockStream.symbol "
+ "aggregate by timestamp " + "every seconds, minutes, hours ;");
AggregationDefinition aggregationDefinition = AggregationDefinition.id("StockAggregationDefinition")
.from(InputStream.stream("StockStream"))
.select(Selector.basicSelector().select(Expression.variable("timestamp").ofStream("StockStream"))
.select("symbol", Expression.variable("symbol").ofStream("StockStream"))
.select("price", Expression.variable("price").ofStream("StockStream"))
.groupBy(Expression.variable("symbol").ofStream("StockStream")))
.aggregateBy(Expression.variable("timestamp")).every(TimePeriod.interval(TimePeriod.Duration.SECONDS,
TimePeriod.Duration.MINUTES, TimePeriod.Duration.HOURS));
AssertJUnit.assertEquals(aggregationDefinition, aggregationDefinitionQuery);
}
Example #3
| Source File: SimpleQueryTestCase.java From siddhi with Apache License 2.0 | 6 votes |
|
@Test
public void testCreatingNestedFilterQuery2() {
Query query = Query.query();
query.from(InputStream.stream(
Query.query().
from(InputStream.stream("StockStream").
filter(
Expression.compare(
Expression.variable("price").ofStream("StockStream"),
Compare.Operator.GREATER_THAN_EQUAL,
Expression.value(20))
).filter(Expression.isNull(Expression.variable("price").ofStream("StockStream")))).
select(
Selector.selector().
select("symbol", Expression.variable("symbol")).
select("avgPrice", Expression.function("avg", Expression.variable("price")))
).
returns(OutputStream.OutputEventType.CURRENT_EVENTS))
);
query.select(
Selector.selector().
select("symbol", Expression.variable("symbol")).
select("avgPrice", Expression.variable("avgPrice"))
);
query.insertInto("IBMOutStockStream");
}
Example #4
| Source File: SequenceQueryTestCase.java From siddhi with Apache License 2.0 | 6 votes |
|
@Test
public void testSequenceQuery() {
Query query = Query.query();
query.from(
InputStream.sequenceStream(
State.next(State.stream(InputStream.stream("e1", "Stream1")),
State.stream(InputStream.stream("e2", "Stream1"))
)));
query.insertInto("OutputStream");
query.select(
Selector.selector().
select("symbol", Expression.variable("symbol").ofStream("e1")).
select("avgPrice", Expression.function("avg", Expression.variable("price").ofStream("e2", 0))).
groupBy(Expression.variable("symbol").ofStream("e1")).
having(Expression.compare(Expression.variable("avgPrice"),
Compare.Operator.GREATER_THAN,
Expression.value(50)))
);
}
Example #5
| Source File: SimpleQueryTestCase.java From siddhi with Apache License 2.0 | 6 votes |
|
@Test
public void testCreatingReturnFilterQueryWithExtension2() {
Query query = Query.query();
Window window1 = new Window("ext", "Foo");
query.from(
InputStream.stream("StockStream").
filter(Expression.and(Expression.compare(Expression.function("ext", "FooBarCond", Expression
.value(7), Expression.value(9.5)),
Compare.Operator.GREATER_THAN,
Expression.variable("price")),
Expression.function("ext", "BarCond", Expression.value(100),
Expression.variable("volume")
)
)
).function("ext", "Foo", Expression.value(67), Expression.value(89)).
window(window1)
);
query.select(
Selector.selector().
select("symbol", Expression.variable("symbol")).
select("avgPrice", Expression.function("ext", "avg", Expression.variable("price")))
);
}
Example #6
| Source File: SimpleQueryTestCase.java From siddhi with Apache License 2.0 | 6 votes |
|
@Test
public void testCreatingReturnFilterQueryWithExtension3() {
Query query = Query.query();
Window window1 = new Window("Foo");
AssertJUnit.assertFalse(window1.equals("falsewindow"));
query.from(
InputStream.stream("StockStream").
filter(Expression.and(Expression.compare(Expression.function("ext", "FooBarCond", Expression
.value(7), Expression.value(9.5)),
Compare.Operator.GREATER_THAN,
Expression.variable("price")),
Expression.function("ext", "BarCond", Expression.value(100),
Expression.variable("volume")
)
)
).function("ext", "Foo", Expression.value(67), Expression.value(89)).
window(window1)
);
query.select(
Selector.selector().
select("symbol", Expression.variable("symbol")).
select("avgPrice", Expression.function("ext", "avg", Expression.variable("price")))
);
}
Example #7
| Source File: TableQueryTestCase.java From siddhi with Apache License 2.0 | 6 votes |
|
@Test
public void testCreatingUpdateByQuery() {
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("price", Expression.variable("price"))
);
query.updateBy("StockQuote", Expression.compare(
Expression.variable("symbol"),
Compare.Operator.EQUAL,
Expression.variable("symbol").ofStream("StockQuote")));
}
Example #8
| Source File: SimpleQueryTestCase.java From siddhi with Apache License 2.0 | 6 votes |
|
@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")))
);
}
Example #9
| Source File: SimpleQueryTestCase.java From siddhi with Apache License 2.0 | 6 votes |
|
@Test
public void testCreatingReturnFilterQueryWithExtension() {
Query query = Query.query();
query.from(
InputStream.stream("StockStream").
filter(Expression.and(Expression.compare(Expression.function("ext", "FooBarCond", Expression
.value(7), Expression.value(9.5)),
Compare.Operator.GREATER_THAN,
Expression.variable("price")),
Expression.function("ext", "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("price")))
);
}
Example #10
| Source File: SimpleQueryTestCase.java From siddhi with Apache License 2.0 | 6 votes |
|
@Test
public void testQuery6() {
Query query = Query.query();
query.from(
InputStream.faultStream("StockStream").
filter(
Expression.isNullFaultStream("StockStream")
)
);
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.insertIntoFault("OutStockStream");
SiddhiApp.siddhiApp("test").addQuery(query);
}
Example #11
| Source File: SimpleQueryTestCase.java From siddhi with Apache License 2.0 | 6 votes |
|
@Test
public void testQuery7() {
Query query = Query.query();
query.from(
InputStream.faultStream("StockStream").
filter(
Expression.isNullFaultStream("StockStream", 1)
)
);
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.insertIntoFault("OutStockStream");
SiddhiApp.siddhiApp("test").addQuery(query);
}
Example #12
| Source File: SimpleQueryTestCase.java From siddhi with Apache License 2.0 | 6 votes |
|
@Test
public void testQuery9() {
Query query = Query.query();
query.from(
InputStream.faultStream("StockStream").
filter(
Expression.isNullInnerStream("StockStream")
)
);
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.insertIntoFault("OutStockStream");
SiddhiApp.siddhiApp("test").addQuery(query);
}
Example #13
| Source File: SimpleQueryTestCase.java From siddhi with Apache License 2.0 | 6 votes |
|
@Test
public void testCreatingReturnFilterQueryWithExtension() {
Query query = Query.query();
query.from(
InputStream.stream("StockStream").
filter(Expression.and(Expression.compare(Expression.function("ext", "FooBarCond", Expression
.value(7), Expression.value(9.5)),
Compare.Operator.GREATER_THAN,
Expression.variable("price")),
Expression.function("ext", "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("price")))
);
}
Example #14
| Source File: SimpleQueryTestCase.java From siddhi with Apache License 2.0 | 6 votes |
|
@Test(expectedExceptions = SiddhiAppValidationException.class)
public void testQuery11() {
Query query = new Query();
query.from(InputStream.stream("cseEventStream"));
query.annotation(Annotation.annotation("info").element("name", "query1"));
query.select(
Selector.selector().
select("symbol", Expression.variable("symbol")).
select("price", Expression.variable("price"))
);
query.insertInto("StockQuote");
SiddhiApp siddhiApp = new SiddhiApp("ep1");
siddhiApp.addQuery(query);
siddhiApp.addQuery(query);
}
Example #15
| Source File: SimpleQueryTestCase.java From siddhi with Apache License 2.0 | 6 votes |
|
@Test
public void test5() throws SiddhiParserException {
Query query = SiddhiCompiler.parseQuery("from AllStockQuotes[price==Foo.price and Foo.try<5] " +
"select symbol, avg(price) as avgPrice " +
"return ;"
);
AssertJUnit.assertNotNull(query);
Query api = Query.query().from(InputStream.stream("AllStockQuotes").
filter(Expression.and(Expression.compare(Expression.variable("price"), Compare.Operator.EQUAL,
Expression.variable("price").ofStream("Foo")), Expression.compare(Expression.variable("try")
.ofStream("Foo"), Compare.Operator.LESS_THAN, Expression.value(5))))).
select(Selector.selector().
select("symbol", Expression.variable("symbol")).
select("avgPrice", Expression.function("avg", Expression.variable("price"))));
AssertJUnit.assertEquals(api, query);
}
Example #16
| Source File: SimpleQueryTestCase.java From siddhi with Apache License 2.0 | 6 votes |
|
@Test
public void test4() throws SiddhiParserException {
Query query = SiddhiCompiler.parseQuery("from AllStockQuotes#window.lengthBatch(50) " +
"select symbol, avg(price) as avgPrice " +
"return ;"
);
AssertJUnit.assertNotNull(query);
Query api = Query.query().from(InputStream.stream("AllStockQuotes").
window("lengthBatch", Expression.value(50))).
select(Selector.selector().
select("symbol", Expression.variable("symbol")).
select("avgPrice", Expression.function("avg", Expression.variable("price")))).
returns();
AssertJUnit.assertEquals(api, query);
}
Example #17
| Source File: SimpleQueryTestCase.java From siddhi with Apache License 2.0 | 6 votes |
|
@Test
public void testCreatingNestedFilterQuery() {
Query query = Query.query();
query.from(InputStream.stream(
Query.query().
from(InputStream.stream("StockStream").
filter(
Expression.compare(
Expression.variable("price").ofStream("StockStream"),
Compare.Operator.GREATER_THAN_EQUAL,
Expression.value(20))
).filter(Expression.isNull(Expression.variable("price").ofStream("StockStream")))).
select(
Selector.selector().
select("symbol", Expression.variable("symbol")).
select("avgPrice", Expression.function("avg", Expression.variable("price")))
).
returns())
);
query.select(
Selector.selector().
select("symbol", Expression.variable("symbol")).
select("avgPrice", Expression.variable("avgPrice"))
);
query.insertInto("IBMOutStockStream");
}
Example #18
| Source File: TableQueryTestCase.java From siddhi with Apache License 2.0 | 6 votes |
|
@Test
public void testCreatingDeleteQuery() {
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.deleteBy("StockQuote", Expression.compare(
Expression.variable("symbol"),
Compare.Operator.EQUAL,
Expression.variable("symbol").ofStream("StockQuote")));
}
Example #19
| Source File: SimpleQueryTestCase.java From siddhi with Apache License 2.0 | 6 votes |
|
@Test
public void test1() 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) " +
"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)))).
insertInto("StockQuote", OutputStream.OutputEventType.ALL_EVENTS);
AssertJUnit.assertEquals(api, query);
}
Example #20
| Source File: DefineAggregationTestCase.java From siddhi with Apache License 2.0 | 5 votes |
|
@Test
public void testDefineAggregationWithExactTimeSpecifier2() {
AggregationDefinition aggregationDefinition = AggregationDefinition.id("StockAggregation")
.from(InputStream.stream("StockStream"))
.select(Selector.basicSelector()
.select("timestamp", Expression.variable("timestamp").ofStream("StockStream"))
.select("symbol", Expression.variable("symbol").ofStream("StockStream"))
.select("price", Expression.variable("price").ofStream("StockStream"))
.groupBy(Expression.variable("price").ofStream("StockStream")))
.aggregateBy(Expression.variable("timestamp"))
.every(TimePeriod.interval(TimePeriod.Duration.DAYS,
TimePeriod.Duration.MONTHS,
TimePeriod.Duration.YEARS));
}
Example #21
| Source File: OutputRateTestCase.java From siddhi with Apache License 2.0 | 5 votes |
|
@Test
public void testCreatingQuery1() {
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.perTimePeriod(Expression.value(1000L)).output(OutputRate.Type.LAST));
query.insertInto("StockQuote");
}
Example #22
| Source File: SimpleQueryTestCase.java From siddhi with Apache License 2.0 | 5 votes |
|
@Test(expectedExceptions = DuplicateAttributeException.class)
public void testCreatingFilterQueryWithDuplicateOutputAttribute() {
Query query = Query.query();
query.from(
InputStream.stream("StockStream").
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("price", Expression.function("avg", Expression.variable("price"))).
select("price", Expression.variable("price")).
groupBy(Expression.variable("symbol")).
having(Expression.compare(Expression.variable("avgPrice"),
Compare.Operator.GREATER_THAN_EQUAL,
Expression.value(50)
))
);
query.insertInto("OutStockStream");
}
Example #23
| Source File: SiddhiQLBaseVisitorImpl.java From siddhi with Apache License 2.0 | 5 votes |
|
/**
* {@inheritDoc}
* <p>The default implementation returns the result of calling
* {@link #visitChildren} on {@code ctx}.</p>
*
* @param ctx
*/
@Override
public Query visitQuery(@NotNull SiddhiQLParser.QueryContext ctx) {
// query
// : annotation* query_input query_section? output_rate? (query_output | query_publish)
// ;
try {
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()));
}
for (SiddhiQLParser.AnnotationContext annotationContext : ctx.annotation()) {
query.annotation((Annotation) visit(annotationContext));
}
if (ctx.query_output() != null) {
query.outStream((OutputStream) visit(ctx.query_output()));
}
populateQueryContext(query, ctx);
return query;
} finally {
activeStreams.clear();
}
}
Example #24
| Source File: SimpleQueryTestCase.java From siddhi with Apache License 2.0 | 5 votes |
|
@Test
public void testQuery1() {
Query query = Query.query();
query.from(
InputStream.stream("StockStream").
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("length", Expression.value(50))
);
query.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.GREATER_THAN_EQUAL,
Expression.value(50)
))
);
query.insertInto("OutStockStream");
}
Example #25
| Source File: SimpleQueryTestCase.java From siddhi with Apache License 2.0 | 5 votes |
|
@Test
public void testCreatingFilterQuery() {
Query query = Query.query();
query.from(
InputStream.stream("StockStream").
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")
)
)
)
);
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.insertInto("OutStockStream");
SiddhiApp.siddhiApp("test").addQuery(query);
}
Example #26
| Source File: FilterTestCase2.java From siddhi with Apache License 2.0 | 5 votes |
|
@Test
public void testFilterQuery103() throws InterruptedException {
log.info("Filter test103");
SiddhiManager siddhiManager = new SiddhiManager();
StreamDefinition cseEventStream = StreamDefinition.id("cseEventStream").attribute("symbol", Attribute.Type
.STRING).attribute("price", Attribute.Type.FLOAT).attribute("volume", Attribute.Type.DOUBLE)
.attribute("quantity", Attribute.Type.INT);
Query query = new Query();
query.from(InputStream.stream("cseEventStream").filter(Expression.compare(Expression.variable("quantity"),
Compare.Operator.GREATER_THAN_EQUAL, Expression.value(50d))));
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, 60d, 6});
inputHandler.send(new Object[]{"WSO2", 70f, 40d, 10});
inputHandler.send(new Object[]{"WSO2", 44f, 200d, 56});
SiddhiTestHelper.waitForEvents(10, 1, count, 100);
AssertJUnit.assertEquals(1, count.get());
siddhiAppRuntime.shutdown();
}
Example #27
| Source File: PatternQueryTestCase.java From siddhi with Apache License 2.0 | 5 votes |
|
@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");
}
Example #28
| Source File: PatternQueryTestCase.java From siddhi with Apache License 2.0 | 5 votes |
|
@Test
public void testPatternQuery14() {
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.zeroOrMany(
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");
}
Example #29
| Source File: FilterTestCase2.java From siddhi with Apache License 2.0 | 5 votes |
|
@Test
public void testFilterQuery107() throws InterruptedException {
log.info("Filter test107");
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.GREATER_THAN_EQUAL, Expression.value(100f))));
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, 1, count, 100);
AssertJUnit.assertEquals(1, count.get());
siddhiAppRuntime.shutdown();
}
Example #30
| Source File: PatternQueryTestCase.java From siddhi with Apache License 2.0 | 5 votes |
|
@Test
public void testPatternQuery11() {
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.logicalNot(State.stream(InputStream.stream("Stream1")
.filter(Expression.compare(Expression.variable("price"),
Compare.Operator.GREATER_THAN_EQUAL,
Expression.value(20)))), new TimeConstant(1000)),
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");
}
