Over a channel an event can flow from one component — the producer — to another one — the consumer.
通过通道，事件可以从一个组件(事件产生者)流到另一个组件“事件处理者”。
2
The "content based router" pattern: the EIP Component examines the message content and routes the message onto a different channel, based on data contained in the message.
“基于内容的路由器”模式：EIP组件检查消息内容，并根据消息中包含的数据将消息路由到不同频道。
3
An event channel is a component that event publishers use to publish events and that event receivers use to subscribe and receive events.