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ResponseBodyEmitterController.java
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ResponseBodyEmitterController.java
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package me.chanjar.learning;
import me.chanjar.learning.slowjob.SlowJob;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.servlet.mvc.method.annotation.ResponseBodyEmitter;
import java.util.concurrent.ExecutorService;
@RestController
public class ResponseBodyEmitterController {
@Autowired
@Qualifier("customExecutorService")
private ExecutorService executorService;
@RequestMapping("response-body-emitter-hello")
public ResponseBodyEmitter hello() {
ResponseBodyEmitter emitter = new ResponseBodyEmitter();
executorService.submit(() -> {
try {
for (int i = 0; i < 5; i++) {
String hello = new SlowJob("ResponseBodyEmitterController").doWork();
emitter.send("Count: " + (i + 1));
emitter.send("\n");
emitter.send(hello);
emitter.send("\n\n");
}
emitter.complete();
} catch (Exception e) {
emitter.completeWithError(e);
}
});
return emitter;
}
}