final void init(Admin admin, String name, String password) {
if (this.admin != null) {
throw new IllegalStateException("already initialized");
}
this.admin = admin;
this.name = name;
this.userID = admin.loginAgentChannel(this, password);
// Do not allow delivery of messages until correctly logged in
// which is when this point has been reached.
isClosed = false;
admin.agentChannelAvailable(this);
}
