132.3. instance consumer - from("hazelcast-instance:foo")

The instance consumer fires if a new cache instance will join or leave the cluster.

例如:

fromF("hazelcast-%sfoo", HazelcastConstants.INSTANCE_PREFIX)
.log("instance...")
.choice()
    .when(header(HazelcastConstants.LISTENER_ACTION).isEqualTo(HazelcastConstants.ADDED))
        .log("...added")
        .to("mock:added")
    .otherwise()
        .log("...removed")
        .to("mock:removed");

每个事件都提供消息标题中的以下信息:

响应消息中的标头变量:

名称类型描述

CamelHazelcastListenerTime

Long

millis 事件的时间

CamelHazelcastListenerType

字符串

映射消费者设置这里"instancelistener"

CamelHazelcastListenerAction

字符串

事件类型 - 此处 添加或删除

CamelHazelcastInstanceHost

字符串

实例的主机名

CamelHazelcastInstancePort

整数

实例的端口号