boolean function ( ) { return sessionList . isEmpty ( ) ; }
returns true if no agent session is found in this list . concode_field_sep Map<AgentSession,String> sessionList concode_elem_sep Queue<AgentSessionListener> listenerList concode_field_sep void removeAgentSession concode_elem_sep void addAgentSessionListener concode_elem_sep void addAgentSession concode_elem_sep Collection<AgentSession> getAgentSessions concode_elem_sep boolean containsAvailableAgents concode_elem_sep void broadcastQueueStatus concode_elem_sep int getAvailableAgentCount concode_elem_sep int getAgentSessionCount concode_elem_sep void removeAgentSessionListener concode_elem_sep AgentSession getAgentSession