public Map<String, PMML4Model> getChildModels(String parentModelId) {
        PMML4Model parent = modelsMap.get(parentModelId);
        Map<String, PMML4Model> childMap = parent.getChildModels();
        return (childMap != null && !childMap.isEmpty()) ? new HashMap<>(childMap) : new HashMap<>();
    }
public Map < String , PMML4Model > getChildModels ( String parentModelId ) { PMML4Model parent = modelsMap . get ( parentModelId ) ; Map < String , PMML4Model > childMap = parent . getChildModels ( ) ; return ( childMap != null && ! childMap . isEmpty ( ) ) ? new HashMap < > ( childMap ) : new HashMap < > ( ) ; }
Retrieves a Map whose entries consist of
key -> a model identifier
value -> the PMML4Model object that the key refers to
where the PMML4Model indicates that it
@param parentModelId
@return