Simulate a slow resource

gistfile1.txt

private void traceSimulateDelay(long delay) {
    // log the caller
    String thisClassName = this.getClass().getName();
    StackTraceElement[] ste = Thread.currentThread().getStackTrace();
    StringBuilder callee = new StringBuilder("PERFORMANCE[-{}] called by ");
    for (int i = 2; i <= ste.length; i++) {
        // 0 is Thread.getStackTrace()
        // 1 is this method
        String className = ste[i].getClassName();
        String shortClassName = className.substring(className.lastIndexOf(".") + 1);
        callee.append(shortClassName).append(".").append(ste[i].getMethodName()).append(":").append(ste[i].getLineNumber());
        if (thisClassName.equals(className)) {
            callee.append(">");
        } else {
            break;
        }
    }
    M_log.trace(callee.toString(), delay);
    // simulate a long query
    try {
        Thread.sleep(delay);
    } catch (InterruptedException e) {
        e.printStackTrace();
    }
}