Added Request ID

Author: pokki-deploy

src/main/java/in/erail/route/OpenAPI3RouteBuilder.java

@@ -4,6 +4,7 @@
 import com.codahale.metrics.Metered;
 import com.codahale.metrics.MetricRegistry;
 import com.codahale.metrics.Timer;
+import com.google.common.base.Strings;
 import com.google.common.net.HttpHeaders;
 import com.google.common.net.MediaType;
 import java.io.File;
@@ -31,6 +32,7 @@
 import java.util.Arrays;
 import java.util.HashMap;
 import java.util.Optional;
+import java.util.UUID;
 import org.apache.commons.lang3.exception.ExceptionUtils;
 
 /**
@@ -39,6 +41,7 @@
  */
 public class OpenAPI3RouteBuilder extends AbstractRouterBuilderImpl {
 
+  private static final String HEADER_X_REQUEST_ID = "X-Request-ID";
   private static final String FAIL_SUFFIX = ".fail";
   private RESTService[] mServices;
   private File mOpenAPI3File;
@@ -83,6 +86,15 @@ public void process(RoutingContext pRequestContext, String pServiceUniqueId) {
 
     Timer.Context timerCtx = ((Timer) getMetrics().get(pServiceUniqueId)).time();
 
+    String requestId = pRequestContext.request().getHeader(HEADER_X_REQUEST_ID);
+
+    if (Strings.isNullOrEmpty(requestId)) {
+      requestId = UUID.randomUUID().toString();
+      pRequestContext.request().headers().add(HEADER_X_REQUEST_ID, UUID.randomUUID().toString());
+    }
+
+    pRequestContext.response().putHeader(HEADER_X_REQUEST_ID, requestId);
+
     getVertx()
             .eventBus()
             .send(pServiceUniqueId,