Learning Salesforce Einstein

Query data structure

The engine takes a query in the form of a JSON structure to output prediction.

The JSON input structure is like the following code snippet for our Recommendation Engine example:

    {      "userEntityId": "u1",      "number": 10,      "categories": ["c4", "c3"]    }

The query JSON structure is mapped via the Query class. The following piece of code shows the example of the Query Class for this engine:

   org.template.recommendation;    import java.io.Serializable;    import java.util.Collections;    import java.util.Set;    public class Query implements Serializable {      private final String userEntityId;      private final int number;      private final Set<String> categories;      private final Set<String> whitelist;      private final Set<String> blacklist; public Query(String ...