protected void handleCredit(Address sender, long increase) {
credits.replenish(sender, increase);
if (log.isTraceEnabled()) {
StringBuilder sb = new StringBuilder();
sb.append("received " + increase + " credits from ")
.append(sender)
.append(", new credits for " + sender + " : ")
.append(credits.get(sender) + ", min_credits=" + credits.getMinCredits());
log.trace(sb);
}
}
