@Override
	public boolean isSingleton() {
		return true;
	}
Set the length of the length field if using length-field framing.

@param lengthFieldLength {@code 2} for a {@code short}, {@code 4} for an {@code int} (the default), or {@code 8}
                         for a {@code long}
@return {@literal this}
extensions/spring-xd-extension-reactor/src/main/java/org/springframework/xd/integration/reactor/net/ReactorPeerFactoryBean.java