@Override
	public int getReadyAgentCount(String userId, String targetRegion) {
		return getReadyAgentInfos(userId, targetRegion, false).size();
	}
Ready agent status count return

@param userId       the login user id
@param targetRegion the name of target region

@return ready status agent count
ngrinder-controller/src/main/java/org/ngrinder/agent/service/AgentService.java