import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.aspectj.lang.annotation.Pointcut;
@Aspect
public class PerformanceAspect {
@Pointcut("execution(* com.example.MyLibrary.myMethod(..))")
public void myMethodExecution() {}
@Before("myMethodExecution()")
public void logPerformance() {
long startTime = System.currentTimeMillis();
// ...
long endTime = System.currentTimeMillis();
}
}
<build>
<plugins>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>aspectj-maven-plugin</artifactId>
<version>1.12.6</version>
<configuration>
<complianceLevel>1.8</complianceLevel>
<source>1.8</source>
<target>1.8</target>
<encoding>UTF-8</encoding>
</configuration>
<executions>
<execution>
<goals>
<goal>compile</goal>
</goals>
</execution>
</executions>
<dependencies>
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjtools</artifactId>
<version>1.8.9</version>
</dependency>
</dependencies>
</plugin>
</plugins>
</build>
