public Set<AgentInfo> getAllAttachedFreeApprovedAgents() {
		return getAllFreeApprovedAgents()
			.stream()
			.filter(this::isCurrentRegion)
			.collect(toSet());
	}
Get all free approved agents attached to current node.

@return AgentInfo set
ngrinder-controller/src/main/java/org/ngrinder/agent/service/AgentService.java