public void testScalar() {
String[] fields = "val0,val1".split(",");
String eplFragment =
"select "
+ "strvals.mostFrequent() as val0, "
+ "strvals.leastFrequent() as val1 "
+ "from SupportCollection";
EPStatement stmtFragment = epService.getEPAdministrator().createEPL(eplFragment);
stmtFragment.addListener(listener);
LambdaAssertionUtil.assertTypes(
stmtFragment.getEventType(), fields, new Class[] {String.class, String.class});
epService.getEPRuntime().sendEvent(SupportCollection.makeString("E2,E1,E2,E1,E3,E3,E4,E3"));
EPAssertionUtil.assertProps(
listener.assertOneGetNewAndReset(), fields, new Object[] {"E3", "E4"});
epService.getEPRuntime().sendEvent(SupportCollection.makeString("E1"));
EPAssertionUtil.assertProps(
listener.assertOneGetNewAndReset(), fields, new Object[] {"E1", "E1"});
epService.getEPRuntime().sendEvent(SupportCollection.makeString(null));
EPAssertionUtil.assertProps(
listener.assertOneGetNewAndReset(), fields, new Object[] {null, null});
epService.getEPRuntime().sendEvent(SupportCollection.makeString(""));
EPAssertionUtil.assertProps(
listener.assertOneGetNewAndReset(), fields, new Object[] {null, null});
stmtFragment.destroy();
epService
.getEPAdministrator()
.getConfiguration()
.addPlugInSingleRowFunction(
"extractNum", TestEnumMinMax.MyService.class.getName(), "extractNum");
String eplLambda =
"select "
+ "strvals.mostFrequent(v => extractNum(v)) as val0, "
+ "strvals.leastFrequent(v => extractNum(v)) as val1 "
+ "from SupportCollection";
EPStatement stmtLambda = epService.getEPAdministrator().createEPL(eplLambda);
stmtLambda.addListener(listener);
LambdaAssertionUtil.assertTypes(
stmtLambda.getEventType(), fields, new Class[] {Integer.class, Integer.class});
epService.getEPRuntime().sendEvent(SupportCollection.makeString("E2,E1,E2,E1,E3,E3,E4,E3"));
EPAssertionUtil.assertProps(listener.assertOneGetNewAndReset(), fields, new Object[] {3, 4});
epService.getEPRuntime().sendEvent(SupportCollection.makeString("E1"));
EPAssertionUtil.assertProps(listener.assertOneGetNewAndReset(), fields, new Object[] {1, 1});
epService.getEPRuntime().sendEvent(SupportCollection.makeString(null));
EPAssertionUtil.assertProps(
listener.assertOneGetNewAndReset(), fields, new Object[] {null, null});
epService.getEPRuntime().sendEvent(SupportCollection.makeString(""));
EPAssertionUtil.assertProps(
listener.assertOneGetNewAndReset(), fields, new Object[] {null, null});
}
public void testAverageEvents() {
String[] fields = "val0,val1,val2,val3".split(",");
String eplFragment =
"select "
+ "beans.average(x => intBoxed) as val0,"
+ "beans.average(x => doubleBoxed) as val1,"
+ "beans.average(x => longBoxed) as val2,"
+ "beans.average(x => bigDecimal) as val3 "
+ "from Bean";
EPStatement stmtFragment = epService.getEPAdministrator().createEPL(eplFragment);
stmtFragment.addListener(listener);
LambdaAssertionUtil.assertTypes(
stmtFragment.getEventType(),
fields,
new Class[] {Double.class, Double.class, Double.class, BigDecimal.class});
epService.getEPRuntime().sendEvent(new SupportBean_Container(null));
EPAssertionUtil.assertProps(
listener.assertOneGetNewAndReset(), fields, new Object[] {null, null, null, null});
epService
.getEPRuntime()
.sendEvent(new SupportBean_Container(Collections.<SupportBean>emptyList()));
EPAssertionUtil.assertProps(
listener.assertOneGetNewAndReset(), fields, new Object[] {null, null, null, null});
List<SupportBean> list = new ArrayList<SupportBean>();
list.add(make(2, 3d, 4l, 5));
epService.getEPRuntime().sendEvent(new SupportBean_Container(list));
EPAssertionUtil.assertProps(
listener.assertOneGetNewAndReset(),
fields,
new Object[] {2d, 3d, 4d, new BigDecimal(5.0d)});
list.add(make(4, 6d, 8l, 10));
epService.getEPRuntime().sendEvent(new SupportBean_Container(list));
EPAssertionUtil.assertProps(
listener.assertOneGetNewAndReset(),
fields,
new Object[] {(2 + 4) / 2d, (3d + 6d) / 2d, (4L + 8L) / 2d, new BigDecimal((5 + 10) / 2d)});
}
public void testMostLeastEvents() {
String[] fields = "val0,val1".split(",");
String eplFragment =
"select "
+ "contained.mostFrequent(x => p00) as val0,"
+ "contained.leastFrequent(x => p00) as val1 "
+ "from Bean";
EPStatement stmtFragment = epService.getEPAdministrator().createEPL(eplFragment);
stmtFragment.addListener(listener);
LambdaAssertionUtil.assertTypes(
stmtFragment.getEventType(), fields, new Class[] {Integer.class, Integer.class});
SupportBean_ST0_Container bean =
SupportBean_ST0_Container.make2Value("E1,12", "E2,11", "E2,2", "E3,12");
epService.getEPRuntime().sendEvent(bean);
EPAssertionUtil.assertProps(listener.assertOneGetNewAndReset(), fields, new Object[] {12, 11});
bean = SupportBean_ST0_Container.make2Value("E1,12");
epService.getEPRuntime().sendEvent(bean);
EPAssertionUtil.assertProps(listener.assertOneGetNewAndReset(), fields, new Object[] {12, 12});
bean =
SupportBean_ST0_Container.make2Value(
"E1,12", "E2,11", "E2,2", "E3,12", "E1,12", "E2,11", "E3,11");
epService.getEPRuntime().sendEvent(bean);
EPAssertionUtil.assertProps(listener.assertOneGetNewAndReset(), fields, new Object[] {12, 2});
bean =
SupportBean_ST0_Container.make2Value(
"E2,11", "E1,12", "E2,15", "E3,12", "E1,12", "E2,11", "E3,11");
epService.getEPRuntime().sendEvent(bean);
EPAssertionUtil.assertProps(listener.assertOneGetNewAndReset(), fields, new Object[] {11, 15});
epService.getEPRuntime().sendEvent(SupportBean_ST0_Container.make2Value(null));
EPAssertionUtil.assertProps(
listener.assertOneGetNewAndReset(), fields, new Object[] {null, null});
epService.getEPRuntime().sendEvent(SupportBean_ST0_Container.make2Value());
EPAssertionUtil.assertProps(
listener.assertOneGetNewAndReset(), fields, new Object[] {null, null});
}
public void testAverageScalar() {
String[] fields = "val0,val1".split(",");
String eplFragment =
"select "
+ "intvals.average() as val0,"
+ "bdvals.average() as val1 "
+ "from SupportCollection";
EPStatement stmtFragment = epService.getEPAdministrator().createEPL(eplFragment);
stmtFragment.addListener(listener);
LambdaAssertionUtil.assertTypes(
stmtFragment.getEventType(), fields, new Class[] {Double.class, BigDecimal.class});
epService.getEPRuntime().sendEvent(SupportCollection.makeNumeric("1,2,3"));
EPAssertionUtil.assertProps(
listener.assertOneGetNewAndReset(), fields, new Object[] {2d, new BigDecimal(2d)});
epService.getEPRuntime().sendEvent(SupportCollection.makeNumeric("1,null,3"));
EPAssertionUtil.assertProps(
listener.assertOneGetNewAndReset(), fields, new Object[] {2d, new BigDecimal(2d)});
epService.getEPRuntime().sendEvent(SupportCollection.makeNumeric("4"));
EPAssertionUtil.assertProps(
listener.assertOneGetNewAndReset(), fields, new Object[] {4d, new BigDecimal(4d)});
stmtFragment.destroy();
// test average with lambda
epService
.getEPAdministrator()
.getConfiguration()
.addPlugInSingleRowFunction(
"extractNum", TestEnumMinMax.MyService.class.getName(), "extractNum");
epService
.getEPAdministrator()
.getConfiguration()
.addPlugInSingleRowFunction(
"extractBigDecimal", TestEnumMinMax.MyService.class.getName(), "extractBigDecimal");
String[] fieldsLambda = "val0,val1".split(",");
String eplLambda =
"select "
+ "strvals.average(v => extractNum(v)) as val0, "
+ "strvals.average(v => extractBigDecimal(v)) as val1 "
+ "from SupportCollection";
EPStatement stmtLambda = epService.getEPAdministrator().createEPL(eplLambda);
stmtLambda.addListener(listener);
LambdaAssertionUtil.assertTypes(
stmtLambda.getEventType(), fieldsLambda, new Class[] {Double.class, BigDecimal.class});
epService.getEPRuntime().sendEvent(SupportCollection.makeString("E2,E1,E5,E4"));
EPAssertionUtil.assertProps(
listener.assertOneGetNewAndReset(),
fieldsLambda,
new Object[] {(2 + 1 + 5 + 4) / 4d, new BigDecimal((2 + 1 + 5 + 4) / 4d)});
epService.getEPRuntime().sendEvent(SupportCollection.makeString("E1"));
EPAssertionUtil.assertProps(
listener.assertOneGetNewAndReset(), fieldsLambda, new Object[] {1d, new BigDecimal(1)});
epService.getEPRuntime().sendEvent(SupportCollection.makeString(null));
EPAssertionUtil.assertProps(
listener.assertOneGetNewAndReset(), fieldsLambda, new Object[] {null, null});
epService.getEPRuntime().sendEvent(SupportCollection.makeString(""));
EPAssertionUtil.assertProps(
listener.assertOneGetNewAndReset(), fieldsLambda, new Object[] {null, null});
}