Question
import org.springframework.integration.annotation.Transformer;
import org.springframework.integration.core.Message;
import org.springframework.integration.message.MessageBuilder;
import java.util.Map;
public class InboundJMSMessageToCustomerWithExtraMetadataTransformer {
@Transformer
public Message<Customer> transformJMSMapToCustomer(
Message<Map<String, Object>> inboundSpringIntegrationMessage) {
Map<String, Object> jmsMessagePayload =
inboundSpringIntegrationMessage.getPayload();
Customer customer = new Customer();
customer.setFirstName((String) jmsMessagePayload.get("firstName"));
customer.setLastName((String) jmsMessagePayload.get("lastName"));
customer.setId((Long) jmsMessagePayload.get("id"));
return MessageBuilder.withPayload(customer)
.copyHeadersIfAbsent( inboundSpringIntegrationMessage.getHeaders())
.setHeaderIfAbsent("randomlySelectedForSurvey", Math.random() > .5)
.build();
}
}
a.
randomlySelected
b.
randomlySelectedForSurvey
c.
randomly
d.
none of the mentioned
Posted under Java Spring Framework
Engage with the Community - Add Your Comment
Confused About the Answer? Ask for Details Here.
Know the Explanation? Add it Here.
Q. The output is constructed dynamically using MessageBuilder to create a message that has the same payload as the input message as well as copy the existing headers and adds an extra...
Similar Questions
Discover Related MCQs
Q. Spring Integration provides a transformer message endpoint to permit the augmentation of the message headers.
View solution
Q. To send a message into the bus and transform it before working with it further.
View solution
Q. To parameterize a job, which is then available to your steps through Spring Batch expression language.
View solution
Q. The bean is recognized and becomes part of the application context because of the:-
View solution
Q. More complicated return codes can be returned by creating and declaring a top-level bean that implements the interface:-
View solution
Q. The CommandLineJobRunner for success will return system error codes:-
View solution
Q. TaskExecutor that will spawn a thread of execution and manage that thread without blocking.
View solution
Q. JobLauncher reference you configured previously is obtained and used to then launch an instance of a Job.
View solution
Q. Spring Batch work with a system scheduler:-
View solution
Q. If you want to vary the execution flow based on some logic more complex than a job’s ExitStatuses:-
View solution
Q. To determine the next step is the simplest example of a conditional flow.
View solution
Q. Spring Batch ships with only handler, which executes steps in multiple threads using a TaskExecutor strategy.
View solution
Q. Pattern which refers to the arrangement of multiple JMS clients all consuming the same queue messages.
View solution
Q. Spring Batch provides a mechanism to offload processing to another process.
View solution
Q. There’s nothing to prevent you from having many steps within the flow elements.
View solution
Q. Typical jobs of almost any complexity will have multiple steps, however.
View solution
Q. You want to control how steps are executed, perhaps to eliminate a needless waste of time by:-
View solution
Q. One of the more useful settings for the RetryTemplate is the :-
View solution
Q. The RetryTemplate itself is configured in the Spring context, although it’s trivial to create in code.
View solution
Q. The RetryTemplate supports many use cases, with convenient APIs to wrap.
View solution
Suggested Topics
Are you eager to expand your knowledge beyond Java Spring Framework? We've curated a selection of related categories that you might find intriguing.
Click on the categories below to discover a wealth of MCQs and enrich your understanding of Computer Science. Happy exploring!