private Map<String, Object> makeMap(Object[][] entries) {
Map<String, Object> result = new HashMap<String, Object>();
if (entries == null) {
return result;
}
for (int i = 0; i < entries.length; i++) {
result.put((String) entries[i][0], entries[i][1]);
}
return result;
}
private Map<String, Object> makeMap(String nameValuePairs) {
Map<String, Object> result = new HashMap<String, Object>();
String[] elements = nameValuePairs.split(",");
for (int i = 0; i < elements.length; i++) {
String[] pair = elements[i].split("=");
if (pair.length == 2) {
result.put(pair[0], pair[1]);
}
}
return result;
}
private Object getNestedKey(Object[] array, int index, String keyTwo, String keyThree) {
Map map = (Map) array[index];
map = (Map) map.get(keyTwo);
return map.get(keyThree);
}
public void testMappedProperty() {
EPServiceProvider epService = getEngineInitialized(null, null, null);
// test map containing first-level property that is an array of primitive or Class
Map<String, Object> mappedDef = makeMap(new Object[][] {{"p0", Map.class}});
epService
.getEPAdministrator()
.getConfiguration()
.addEventType("MyMappedPropertyMap", mappedDef);
EPStatement stmt =
epService.getEPAdministrator().createEPL("select p0('k1') as a from MyMappedPropertyMap");
SupportUpdateListener listener = new SupportUpdateListener();
stmt.addListener(listener);
Map<String, Object> eventVal = new HashMap<String, Object>();
eventVal.put("k1", "v1");
Map<String, Object> theEvent = makeMap(new Object[][] {{"p0", eventVal}});
epService.getEPRuntime().sendEvent(theEvent, "MyMappedPropertyMap");
EPAssertionUtil.assertProps(
listener.assertOneGetNewAndReset(), "a".split(","), new Object[] {"v1"});
assertEquals(Object.class, stmt.getEventType().getPropertyType("a"));
stmt.destroy();
// test map at the second level of a nested map that is an array of primitive or Class
Map<String, Object> mappedDefOuter = makeMap(new Object[][] {{"outer", mappedDef}});
epService
.getEPAdministrator()
.getConfiguration()
.addEventType("MyMappedPropertyMapOuter", mappedDefOuter);
stmt =
epService
.getEPAdministrator()
.createEPL("select outer.p0('k1') as a from MyMappedPropertyMapOuter");
stmt.addListener(listener);
Map<String, Object> eventOuter = makeMap(new Object[][] {{"outer", theEvent}});
epService.getEPRuntime().sendEvent(eventOuter, "MyMappedPropertyMapOuter");
EPAssertionUtil.assertProps(
listener.assertOneGetNewAndReset(), "a".split(","), new Object[] {"v1"});
assertEquals(Object.class, stmt.getEventType().getPropertyType("a"));
// test map that contains a bean which has a map property
Map<String, Object> mappedDefOuterTwo =
makeMap(new Object[][] {{"outerTwo", SupportBeanComplexProps.class}});
epService
.getEPAdministrator()
.getConfiguration()
.addEventType("MyMappedPropertyMapOuterTwo", mappedDefOuterTwo);
stmt =
epService
.getEPAdministrator()
.createEPL("select outerTwo.mapProperty('xOne') as a from MyMappedPropertyMapOuterTwo");
stmt.addListener(listener);
Map<String, Object> eventOuterTwo =
makeMap(new Object[][] {{"outerTwo", SupportBeanComplexProps.makeDefaultBean()}});
epService.getEPRuntime().sendEvent(eventOuterTwo, "MyMappedPropertyMapOuterTwo");
EPAssertionUtil.assertProps(
listener.assertOneGetNewAndReset(), "a".split(","), new Object[] {"yOne"});
assertEquals(String.class, stmt.getEventType().getPropertyType("a"));
}