Hello.java

package lambda;

import com.amazonaws.services.lambda.runtime.Context;
import com.amazonaws.services.lambda.runtime.RequestHandler;
import saaf.Inspector;
import saaf.Response;
import java.util.HashMap;

/**
 * uwt.lambda_test::handleRequest
 *
 * @author Wes Lloyd
 * @author Robert Cordingly
 */
public class Hello implements RequestHandler<HashMap<String, Object>, HashMap<String, Object>> {

    /**
     * Lambda Function Handler
     * 
     * @param request Hashmap containing request JSON attributes.
     * @param context 
     * @return HashMap that Lambda will automatically convert into JSON.
     */
    public HashMap<String, Object> handleRequest(HashMap<String, Object> request, Context context) {
        
        //Collect initial data.
        Inspector inspector = new Inspector();
        inspector.inspectAll();
        
        //****************START FUNCTION IMPLEMENTATION*************************
        
        //Add custom key/value attribute to SAAF's output. (OPTIONAL)
        inspector.addAttribute("message", "Hello " + request.get("name")
                + "! This is a custom attribute added as output from SAAF!");
        
        //Create and populate a separate response object for function output. (OPTIONAL)
        Response response = new Response();
        response.setValue("Hello " + request.get("name")
                + "! This is from a response object!");
        
        inspector.consumeResponse(response);
        
        //****************END FUNCTION IMPLEMENTATION***************************
                
        //Collect final information such as total runtime and cpu deltas.
        inspector.inspectAllDeltas();
        return inspector.finish();
    }
}