public boolean isGreaterOrEqual(Priority r) {
        return level >= r.level;
    }
Returns <code>true</code> if this level has a higher or equal
 level than the level passed as argument, <code>false</code>
 otherwise.  
 
 <p>You should think twice before overriding the default
 implementation of <code>isGreaterOrEqual</code> method.

@param r a priority
@return a boolean
log4j-over-slf4j/src/main/java/org/apache/log4j/Priority.java