统计某个方法中调用另一个方法的次数

OfferTrace.java

import com.sun.btrace.annotations.*;
import static com.sun.btrace.BTraceUtils.*;

@BTrace
public class OfferTrace {

    @TLS
    private static long startTime = 0;

    @TLS
    private static boolean startCount = false;

    @TLS
    private static long callExchangeCount = 0;

    @OnMethod(clazz = "org.springframework.web.client.RestTemplate", method = "exchange")
    public static void startStatCallMethod(){
        if (startCount) {
            callExchangeCount = callExchangeCount + 1;
        }
    }

    @OnMethod(clazz = "demo.caoxudong.Demo", method = "testMethod") 
    public static void startMethod(){
        startTime = timeMillis();
        startCount = true;
    }

    @OnMethod(clazz = "demo.caoxudong.Demo", method = "testMethod", location = @Location(Kind.RETURN))
    public static void endMethod(){
        startCount = false;
        print(str(callExchangeCount));
        // println(
        //     strcat(
        //         strcat(
        //             strcat(
        //                 "the class method execute time=>", 
        //                 str(timeMillis() - startTime)
        //             ), 
        //             ", call exchange times = "
        //         ),
        //         str(callExchangeCount)
        //     )
        // );
        println("-------------------------------------------");
    }

}