# Perceptor: The "Performance Metrics Gathering Interceptor For Java EE" Released

perceptor v0.0.1 released. Perceptor is "Performance Metrics Gathering Interceptor"
for Java EE 7. It comes as a 9kB, zero dependencies, Thin JAR with "plug and play" installation and two flavors:

    
        perceptor (metrics available via injection only):
        
    
<dependency>
    <groupId>com.airhacks</groupId>
    <artifactId>perceptor</artifactId>
    <version>0.0.1</version>
</dependency>
    


    
        perceptor-spy (metrics are exposed via: /monitoring/methods endpoint):

    
<dependency>
    <groupId>com.airhacks</groupId>
    <artifactId>perceptor-spy</artifactId>
    <version>0.0.1</version>
</dependency>
            
Metrics are accessbile under:  curl [YOUR_THIN_WAR]/resources/monitoring/methods/[exceptional|recent|slowest|unstable]





    Usage:



import com.airhacks.interceptor.monitoring.boundary.PerformanceSensor;

@Interceptors(PerformanceSensor.class)
public class Invoker {
    public String slow() {}
    public String fast() {}

}



Checkout https://github.com/AdamBien/perceptor for more information. You may also like https://github.com/AdamBien/porcupine



See you at Java EE Workshops at Munich Airport, Terminal 2 and particularly at 
Java EE Performance, Monitoring and Troubleshooting. Is Munich's airport too far? Learn from home: airhacks.io.