Add AOP to capture SQL

src/main/java/org/springframework/samples/petclinic/PetClinicAspect.java

@@ -0,0 +1,47 @@
+package org.springframework.samples.petclinic;
+
+import org.aspectj.lang.ProceedingJoinPoint;
+import org.aspectj.lang.annotation.Around;
+import org.aspectj.lang.annotation.Aspect;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Component;
+
+import brave.Span;
+import brave.Span.Kind;
+import brave.Tracer;
+
+@Aspect
+@Component
+public class PetClinicAspect {
+
+	@Value("${petclinic.db.type:local}")
+	String dbType;
+
+	@Value("${petclinic.db.instance:localDB}")
+	String dbInstance;
+
+	@Autowired
+	Tracer tracer;
+
+	// @Around("execution(* org.springframework.data.repository.Repository+.*(..)))")
+	@Around("execution(* org.springframework.samples.petclinic.*.*Repository+.*(..)))")
+	public Object AddSpan(ProceedingJoinPoint joinpoint) throws Throwable {
+		Span newSpan = this.tracer.nextSpan().name(joinpoint.getSignature().toString()).start();
+
+		try {
+			newSpan.tag("component", "java-jdbc");
+			newSpan.kind(Kind.CLIENT);
+			newSpan.tag("db.type", dbType);
+			newSpan.tag("db.instance", dbInstance);
+			Object result = joinpoint.proceed();
+
+			return result;
+		}
+		finally {
+			newSpan.finish();
+		}
+
+	}
+
+}