The asynchronous log process of the Akka SLF4J framework in the Java class library
The asynchronous log process of the Akka SLF4J framework in the Java class library
Overview:
Akka is an open source Java/Scala's application development framework, which provides tools and libraries that build high reliability, high -combined, and distributed systems.SLF4J (Simple Logging Facade for Java) is a log abstraction layer that provides a unified log interface so that the application can use different log libraries during runtime.The use of the Akka SLF4J framework in the Java library can achieve asynchronous log records and processing, improve the performance and maintenance of the system.
principle:
The Akka SLF4J framework uses the ACTOR model to achieve the asynchronous processing of the log.ACTOR is the basic unit in AKKA. It is an independent execution unit that communicates through message transmission.When the application needs to record the log, it sends a message to a dedicated log ACTOR, which is responsible for receiving and processing these log messages.
Implementation steps:
1. Configure the SLF4J framework: In the project dependency management tool (such as Maven), the dependency item of the Akka SLF4J framework is introduced.
<dependency>
<groupId>com.typesafe.akka</groupId>
<artifactId>akka-slf4j_2.12</artifactId>
<version>2.6.16</version>
</dependency>
2. Create a log ACTOR: Create a ACTOR class inherited from the Akka in the code for receiving and processing log messages.
import akka.actor.AbstractActor;
import org.slf4j.LoggerFactory;
public class LoggingActor extends AbstractActor {
private final Logger logger = LoggerFactory.getLogger(LoggingActor.class);
@Override
public Receive createReceive() {
return receiveBuilder()
.match(String.class, message -> {
// Process log message
logger.info(message);
})
.build();
}
}
3. Configuration log ACTOR: In the application file, the creation and startup of the configuration log ACTOR.
conf
akka {
actor {
provider = "akka.actor.LocalActorRefProvider"
deployment {
/loggingActor {
dispatcher = akka.actor.default-dispatcher
}
}
}
}
4. Send log message: Where you need to record logs, send log messages to the log ACTOR through the Actorsystem.
import akka.actor.ActorRef;
import akka.actor.ActorSystem;
import akka.actor.Props;
public class Application {
public static void main(String[] args) {
ActorSystem system = ActorSystem.create("MySystem");
ActorRef loggingActor = system.actorOf(Props.create(LoggingActor.class), "loggingActor");
// Send log message
loggingActor.tell("This is a log message", ActorRef.noSender());
}
}
Summarize:
Through the Akka SLF4J framework, we can achieve asynchronous log records and processing in the Java class library.Using the ACTOR model, the logging process is asynchronized, reducing the obstruction of the main thread, and improving the performance and maintenance of the system.By configured and send log messages to the log ACTOR, you can flexibly control the output and processing of logs.
