agave-systems/systems-core/src/main/java/org/iplantc/service/systems/model/RemoteSystem.java
/**
	 * @param role the roles to add
	 * @return true if the role was uniquely added to the set
	 */
@param role the roles to add
@return true if the role was uniquely added to the set
@param role the roles to add @return true if the role was uniquely added to the set
public boolean addRole(SystemRole role)
	{
		if (role == null) return false;
		role.setRemoteSystem(this);
		return this.roles.add(role);
	}
public boolean addRole ( SystemRole role ) { if ( role == null ) return false ; role . setRemoteSystem ( this ) ; return this . roles . add ( role ) ; }
@param role the roles to add
 @return true if the role was uniquely added to the set
@param role the roles to add @return true if the role was uniquely added to the set
// set will catch duplicates, return the whether a  // change was made.