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Handler methods

Pragya Keshap answered on February 22, 2023 Popularity 6/10 Helpfulness 1/10

answer Handler methods

Handler methods

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The Lambda function handler is the method in your function code that processes events. When your function is invoked, Lambda runs the handler method. When the handler exits or returns a response, it becomes available to handle another event.

// Handler value: example.Handler
public class Handler implements RequestHandler<Map<String,String>, String>{
  Gson gson = new GsonBuilder().setPrettyPrinting().create();
  @Override
  public String handleRequest(Map<String,String> event, Context context)
  {
    LambdaLogger logger = context.getLogger();
    String response = new String("200 OK");
    // log execution details
    logger.log("ENVIRONMENT VARIABLES: " + gson.toJson(System.getenv()));
    logger.log("CONTEXT: " + gson.toJson(context));
    // process event
    logger.log("EVENT: " + gson.toJson(event));
    logger.log("EVENT TYPE: " + event.getClass().toString());
    return response;
  }
}

https://docs.aws.amazon.com/lambda/latest/dg/java-handler.html

Popularity 6/10 Helpfulness 1/10 Language java

Source: Grepper

Tags: handler java methods

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Contributed on Feb 22 2023

Pragya Keshap

0 Answers Avg Quality 2/10

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