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

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

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