Event Processing in Action

Chapter 5. Consuming the events

What information consumes is rather obvious: it consumes the attention of its recipients. Hence, a wealth of information creates a poverty of attention and a need to allocate that attention efficiently among the overabundance of information sources that might consume it.

Herbert Simon

We now move on to the event consumer. This is the mirror image of the event producer that we discussed in chapter 4, so we recommend that you read that chapter before reading this one. In this chapter we look at

• The notion of an event consumer, its role, and the definition element that describes it
• The different types of event consumers
• The different types of interaction with an event consumer
• The distinction between an event ...