@Override
	public void stop() {
		if (context.isActive()) {
			context.stop(); // Shouldn't need to close() as well?
		}
	}
Initialize this module by creating its application context, and provide it with a special
{@link org.springframework.core.env.Environment} that knows how to resolve module options placeholders.
spring-xd-module/src/main/java/org/springframework/xd/module/core/SimpleModule.java