@Override
  public String toString() {
    return "AgentImpl["
        + "config=" + agentConfig.toProperties().toString()
        + "; mbeanName=" + mbeanName
        + "; modelMBean=" + modelMBean
        + "; objectName=" + objectName
        + "; propertyFile=" + propertyFile
        + ": rmiConnector=" + rmiConnector
        + "]";
  }
Checks the no. of active RMI clients and updates a flag in the Admin Distributed System.

@see AdminDistributedSystemJmxImpl#setRmiClientCountZero(boolean)
@since GemFire 6.0
geode-core/src/main/java/org/apache/geode/admin/jmx/internal/AgentImpl.java