[logback-user] System property based Discriminator

[DK]

I'm trying to split logs based on a System property that changes dynamically
at runtime.Is the below Discriminator code the way to go?Will this
Discriminator get called for every log statement?
import ch.qos.logback.classic.spi.ILoggingEvent;import
ch.qos.logback.core.sift.AbstractDiscriminator;public class
SysPropDiscriminator extends AbstractDiscriminator {    private static final
String KEY = "PROP";    @Override    public String
getDiscriminatingValue(ILoggingEvent event) {        String propValue =
System.getProperty("my.property");        if (propValue == null ||
propValue.length() == 0) {            return "unknown";        } else {           
return propValue;        }    }    @Override    public String getKey() {       
return KEY;    }}




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