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• SqsMessageHandler.java

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software.amazon.lambda.powertools.sqs.SqsMessageHandler Maven / Gradle / Ivy

package software.amazon.lambda.powertools.sqs;

import com.amazonaws.services.lambda.runtime.events.SQSEvent;

import static com.amazonaws.services.lambda.runtime.events.SQSEvent.SQSMessage;

/**
 * 

 * This interface should be implemented for processing {@link SQSMessage} inside {@link SQSEvent} received by lambda
 * function.
 * 
 *
 * 

 * It is required by utilities:
 * 

 *   
{@link SqsBatch}
 *   
{@link SqsUtils#batchProcessor(SQSEvent, Class)}
 *   
{@link SqsUtils#batchProcessor(SQSEvent, boolean, Class)}
 *   
{@link SqsUtils#batchProcessor(SQSEvent, SqsMessageHandler)}
 *   
{@link SqsUtils#batchProcessor(SQSEvent, boolean, SqsMessageHandler)}
 * 
 * 

 * @param  Return value type from {@link SqsMessageHandler#process(SQSMessage)}
 */
@FunctionalInterface
public interface SqsMessageHandler {

    R process(SQSMessage message);
}