living

import java.util.Map;
 
import com.sun.btrace.BTraceUtils;
import com.sun.btrace.annotations.BTrace;
import com.sun.btrace.annotations.OnEvent;
import com.sun.btrace.annotations.OnMethod;
import com.sun.btrace.annotations.OnTimer;
import com.sun.btrace.annotations.Property;
 
/**
 * @author chua 2010-2-20 16:36:44
 */
@BTrace
public class CacheProbe {
 
    @Property
    private static Map map = BTraceUtils.newHashMap();
 
    @OnMethod(
        clazz = "com.meichua.sample.model.Cache", 
        method = "/getAllAttributes|getAllLocators/"
    )
    public static void visitCategory() {
        if (!BTraceUtils.containsKey(map, "category")) {
            BTraceUtils.put(map, "category", "yes");
        }
    }
 
    @OnMethod(clazz = "com.meichua.sample.model.Cache", method = "/getAreaMap|getAreaTree/")
    public static void visitArea() {
        if (!BTraceUtils.containsKey(map, "area")) {
            BTraceUtils.put(map, "area", "yes");
        }
    }
 
    .
    .
    .
 
    @OnEvent
    public static void onEvent() {
        BTraceUtils.println("BTrace probe will print the used original data:");
        BTraceUtils.printMap(map);
        BTraceUtils.println("BTrace program exits!");
        BTraceUtils.exit();
    } 
 
    @OnTimer(1000*60*5)
    public static void ontimer() {
        BTraceUtils.println("--------------------------------------:");
        BTraceUtils.printMap(map);
    }
 
}