public void testCorrel() {
// further math tests can be found in the view unit test
EPAdministrator admin = epService.getEPAdministrator();
admin.getConfiguration().addEventType("Market", SupportMarketDataBean.class);
EPStatement statement =
admin.createEPL(
"select * from Market.std:groupwin(symbol).win:length(1000000).stat:correl(price, volume, feed)");
SupportUpdateListener listener = new SupportUpdateListener();
statement.addListener(listener);
assertEquals(Double.class, statement.getEventType().getPropertyType("correlation"));
String[] fields = new String[] {"symbol", "correlation", "feed"};
epService.getEPRuntime().sendEvent(new SupportMarketDataBean("ABC", 10.0, 1000L, "f1"));
EPAssertionUtil.assertProps(
listener.assertOneGetNewAndReset(), fields, new Object[] {"ABC", Double.NaN, "f1"});
epService.getEPRuntime().sendEvent(new SupportMarketDataBean("DEF", 1.0, 2L, "f2"));
EPAssertionUtil.assertProps(
listener.assertOneGetNewAndReset(), fields, new Object[] {"DEF", Double.NaN, "f2"});
epService.getEPRuntime().sendEvent(new SupportMarketDataBean("DEF", 2.0, 4L, "f3"));
EPAssertionUtil.assertProps(
listener.assertOneGetNewAndReset(), fields, new Object[] {"DEF", 1.0, "f3"});
epService.getEPRuntime().sendEvent(new SupportMarketDataBean("ABC", 20.0, 2000L, "f4"));
EPAssertionUtil.assertProps(
listener.assertOneGetNewAndReset(), fields, new Object[] {"ABC", 1.0, "f4"});
}
public static void main(String[] args) {
EPServiceProvider epService = EPServiceProviderManager.getDefaultProvider();
EPAdministrator admin = epService.getEPAdministrator();
// Apple定义
Map<String, Object> apple = new HashMap<String, Object>();
apple.put("id", int.class);
apple.put("price", int.class);
// 注册Apple到Esper
admin.getConfiguration().addEventType("Apple", apple);
String epl = "select avg(price) from Apple.win:length_batch(3)";
EPStatement state = admin.createEPL(epl);
state.addListener(new AppleListener());
EPRuntime runtime = epService.getEPRuntime();
Map<String, Object> apple1 = new HashMap<String, Object>();
apple1.put("id", 1);
apple1.put("price", 5);
runtime.sendEvent(apple1, "Apple");
Map<String, Object> apple2 = new HashMap<String, Object>();
apple2.put("id", 2);
apple2.put("price", 2);
runtime.sendEvent(apple2, "Apple");
Map<String, Object> apple3 = new HashMap<String, Object>();
apple3.put("id", 3);
apple3.put("price", 5);
runtime.sendEvent(apple3, "Apple");
}
private void registerEventStream(EventDefinition def) {
log.info("registering event type stream %s", def.getEventType());
for (String ns : namespaces) {
EPAdministrator admin = EsperProvider.getProvider(ns).getEPAdministrator();
HashMap<String, Object> m = new HashMap<String, Object>();
for (Map.Entry<String, Class> entry : def.getProperties().entrySet()) {
m.put(entry.getKey(), entry.getValue());
}
admin.getConfiguration().addEventType(def.getEventType(), m);
inputEventRegistrationsValid.add(def.getEventType());
}
notifyEventRegistered(def);
}
public void testLinest() {
// further math tests can be found in the view unit test
EPAdministrator admin = epService.getEPAdministrator();
admin.getConfiguration().addEventType("Market", SupportMarketDataBean.class);
EPStatement statement =
admin.createEPL(
"select * from Market.std:groupwin(symbol).win:length(1000000).stat:linest(price, volume, feed)");
SupportUpdateListener listener = new SupportUpdateListener();
statement.addListener(listener);
assertEquals(Double.class, statement.getEventType().getPropertyType("slope"));
assertEquals(Double.class, statement.getEventType().getPropertyType("YIntercept"));
assertEquals(Double.class, statement.getEventType().getPropertyType("XAverage"));
assertEquals(Double.class, statement.getEventType().getPropertyType("XStandardDeviationPop"));
assertEquals(
Double.class, statement.getEventType().getPropertyType("XStandardDeviationSample"));
assertEquals(Double.class, statement.getEventType().getPropertyType("XSum"));
assertEquals(Double.class, statement.getEventType().getPropertyType("XVariance"));
assertEquals(Double.class, statement.getEventType().getPropertyType("YAverage"));
assertEquals(Double.class, statement.getEventType().getPropertyType("YStandardDeviationPop"));
assertEquals(
Double.class, statement.getEventType().getPropertyType("YStandardDeviationSample"));
assertEquals(Double.class, statement.getEventType().getPropertyType("YSum"));
assertEquals(Double.class, statement.getEventType().getPropertyType("YVariance"));
assertEquals(Long.class, statement.getEventType().getPropertyType("dataPoints"));
assertEquals(Long.class, statement.getEventType().getPropertyType("n"));
assertEquals(Double.class, statement.getEventType().getPropertyType("sumX"));
assertEquals(Double.class, statement.getEventType().getPropertyType("sumXSq"));
assertEquals(Double.class, statement.getEventType().getPropertyType("sumXY"));
assertEquals(Double.class, statement.getEventType().getPropertyType("sumY"));
assertEquals(Double.class, statement.getEventType().getPropertyType("sumYSq"));
String[] fields = new String[] {"symbol", "slope", "YIntercept", "feed"};
epService.getEPRuntime().sendEvent(new SupportMarketDataBean("ABC", 10.0, 50000L, "f1"));
EPAssertionUtil.assertProps(
listener.assertOneGetNewAndReset(),
fields,
new Object[] {"ABC", Double.NaN, Double.NaN, "f1"});
epService.getEPRuntime().sendEvent(new SupportMarketDataBean("DEF", 1.0, 1L, "f2"));
EventBean theEvent = listener.assertOneGetNewAndReset();
EPAssertionUtil.assertProps(
theEvent, fields, new Object[] {"DEF", Double.NaN, Double.NaN, "f2"});
assertEquals(1d, theEvent.get("XAverage"));
assertEquals(0d, theEvent.get("XStandardDeviationPop"));
assertEquals(Double.NaN, theEvent.get("XStandardDeviationSample"));
assertEquals(1d, theEvent.get("XSum"));
assertEquals(Double.NaN, theEvent.get("XVariance"));
assertEquals(1d, theEvent.get("YAverage"));
assertEquals(0d, theEvent.get("YStandardDeviationPop"));
assertEquals(Double.NaN, theEvent.get("YStandardDeviationSample"));
assertEquals(1d, theEvent.get("YSum"));
assertEquals(Double.NaN, theEvent.get("YVariance"));
assertEquals(1L, theEvent.get("dataPoints"));
assertEquals(1L, theEvent.get("n"));
assertEquals(1d, theEvent.get("sumX"));
assertEquals(1d, theEvent.get("sumXSq"));
assertEquals(1d, theEvent.get("sumXY"));
assertEquals(1d, theEvent.get("sumY"));
assertEquals(1d, theEvent.get("sumYSq"));
// above computed values tested in more detail in RegressionBean test
epService.getEPRuntime().sendEvent(new SupportMarketDataBean("DEF", 2.0, 2L, "f3"));
EPAssertionUtil.assertProps(
listener.assertOneGetNewAndReset(), fields, new Object[] {"DEF", 1.0, 0.0, "f3"});
epService.getEPRuntime().sendEvent(new SupportMarketDataBean("ABC", 11.0, 50100L, "f4"));
EPAssertionUtil.assertProps(
listener.assertOneGetNewAndReset(), fields, new Object[] {"ABC", 100.0, 49000.0, "f4"});
}
/** @param args */
public static void main(String[] args) {
EPServiceProvider epService = EPServiceProviderManager.getDefaultProvider();
EPAdministrator admin = epService.getEPAdministrator();
Map<String, Object> mapDef = new HashMap<String, Object>();
mapDef.put("p", Product.class);
Map<String, Object> mapDef1 = new HashMap<String, Object>();
mapDef1.put("count", int.class);
admin.getConfiguration().addEventType("S", mapDef);
admin.getConfiguration().addEventType("Scount", mapDef1);
admin.getConfiguration().addEventType("Acount", mapDef1);
EPRuntime runtime = epService.getEPRuntime();
String product = Product.class.getName();
String close = User.class.getName();
String input = "select irstream *, prevwindow(i) from " + product + ".win:time(5 sec) as i";
String window = "create window ABC.win:keepall() as select * from S";
String output =
"insert into ABC select * from pattern[every a=S -[1]> b=S(b.p.price>=(a.p.price*1.05))]";
String acount = "on " + close + " select and delete count(*) from ABC";
String result = "every b=Acount -> every a=Scount(b.count+1=a.count)";
EPStatement state1 = admin.createEPL(input);
state1.addListener(new InputListener(runtime));
admin.createEPL(window);
admin.createEPL(output);
EPStatement state2 = admin.createEPL(acount);
state2.addListener(new AcountListener(runtime));
EPStatement state3 = admin.createPattern(result);
state3.addListener(new Result3Listener());
Product esb = new Product();
esb.setPrice(1);
esb.setType("esb");
runtime.sendEvent(esb);
Product eos = new Product();
eos.setPrice(2);
eos.setType("eos");
runtime.sendEvent(eos);
Product esb1 = new Product();
esb1.setPrice(3);
esb1.setType("esb");
runtime.sendEvent(esb1);
Product eos1 = new Product();
eos1.setPrice(5);
eos1.setType("eos");
runtime.sendEvent(eos1);
Product esb2 = new Product();
esb2.setPrice(6);
esb2.setType("esb");
runtime.sendEvent(esb2);
Product eos3 = new Product();
eos3.setPrice(7);
eos3.setType("eos");
runtime.sendEvent(eos3);
System.out.println();
}
