public List<EventBean> poll(Object[] lookupValues) {
List<EventBean> rowResult = null;
try {
Object invocationResult = method.invoke(null, lookupValues);
if (invocationResult != null) {
if (isArray) {
int length = Array.getLength(invocationResult);
if (length > 0) {
rowResult = new ArrayList<EventBean>();
for (int i = 0; i < length; i++) {
Object value = Array.get(invocationResult, i);
if (value == null) {
log.warn(
"Expected non-null return result from method '"
+ method.getName()
+ "', but received null value");
continue;
}
EventBean theEvent;
if (useMapType) {
if (!(value instanceof Map)) {
log.warn(
"Expected Map-type return result from method '"
+ method.getName()
+ "', but received type '"
+ value.getClass()
+ "'");
continue;
}
Map mapValues = (Map) value;
theEvent = eventAdapterService.adapterForTypedMap(mapValues, eventType);
} else {
theEvent = eventAdapterService.adapterForBean(value);
}
rowResult.add(theEvent);
}
}
} else {
rowResult = new LinkedList<EventBean>();
EventBean theEvent;
if (useMapType) {
if (!(invocationResult instanceof Map)) {
log.warn(
"Expected Map-type return result from method '"
+ method.getName()
+ "', but received type '"
+ invocationResult.getClass()
+ "'");
} else {
Map mapValues = (Map) invocationResult;
theEvent = eventAdapterService.adapterForTypedMap(mapValues, eventType);
rowResult.add(theEvent);
}
} else {
theEvent = eventAdapterService.adapterForBean(invocationResult);
rowResult.add(theEvent);
}
}
}
} catch (InvocationTargetException ex) {
throw new EPException(
"Method '"
+ method.getName()
+ "' of class '"
+ method.getJavaMethod().getDeclaringClass().getName()
+ "' reported an exception: "
+ ex.getTargetException(),
ex.getTargetException());
}
return rowResult;
}
