public JSONArray getDescendants(String fullClassName) {
if (typeGraph.size() == 0) {
buildTypeGraph();
}
return new JSONArray(typeGraph.getDescendants(fullClassName));
}
/**
* Enrich portClassHier with class/interface names that map to a list of parent
* classes/interfaces. For any class encountered, find its parents too.<br>
* Also find the port types which have assignable schema classes.
*
* @param oper Operator to work on
* @param portClassHierarchy In-Out param that contains a mapping of class/interface to its
* parents
* @param portTypesWithSchemaClasses Json that will contain all the ports which have any schema
* classes.
*/
public void buildAdditionalPortInfo(
JSONObject oper, JSONObject portClassHierarchy, JSONObject portTypesWithSchemaClasses) {
try {
JSONArray ports = oper.getJSONArray(OperatorDiscoverer.PORT_TYPE_INFO_KEY);
for (int i = 0; i < ports.length(); i++) {
JSONObject port = ports.getJSONObject(i);
String portType = port.optString("type");
if (portType == null) {
// skipping if port type is null
continue;
}
if (typeGraph.size() == 0) {
buildTypeGraph();
}
try {
// building port class hierarchy
LinkedList<String> queue = Lists.newLinkedList();
queue.add(portType);
while (!queue.isEmpty()) {
String currentType = queue.remove();
if (portClassHierarchy.has(currentType)) {
// already present in the json so we skip.
continue;
}
List<String> immediateParents = typeGraph.getParents(currentType);
if (immediateParents == null) {
portClassHierarchy.put(currentType, Lists.<String>newArrayList());
continue;
}
portClassHierarchy.put(currentType, immediateParents);
queue.addAll(immediateParents);
}
} catch (JSONException e) {
LOG.warn("building port type hierarchy {}", portType, e);
}
// finding port types with schema classes
if (portTypesWithSchemaClasses.has(portType)) {
// already present in the json so skipping
continue;
}
if (portType.equals("byte")
|| portType.equals("short")
|| portType.equals("char")
|| portType.equals("int")
|| portType.equals("long")
|| portType.equals("float")
|| portType.equals("double")
|| portType.equals("java.lang.String")
|| portType.equals("java.lang.Object")) {
// ignoring primitives, strings and object types as this information is needed only for
// complex types.
continue;
}
if (port.has("typeArgs")) {
// ignoring any type with generics
continue;
}
boolean hasSchemaClasses = false;
List<String> instantiableDescendants = typeGraph.getInstantiableDescendants(portType);
if (instantiableDescendants != null) {
for (String descendant : instantiableDescendants) {
try {
if (typeGraph.isInstantiableBean(descendant)) {
hasSchemaClasses = true;
break;
}
} catch (JSONException ex) {
LOG.warn("checking descendant is instantiable {}", descendant);
}
}
}
portTypesWithSchemaClasses.put(portType, hasSchemaClasses);
}
} catch (JSONException e) {
// should not reach this
LOG.error("JSON Exception {}", e);
throw new RuntimeException(e);
}
}