spring integration dsl filter instead filter method annotation
问题 How can I switch from filter annotation method to Spring integration java DSL filter. how can I call filter method? IntegrationFlows.from("removeSession") // remove chat session from user sessions map .handle("sessionLogService", "removeChatSession") // continue and remove user from ehcache only if user have no more opened sessions. .filter(/* what's going here? */) .get(); instead Filter annotation. @Filter(inputChannel = "userGoOfflineFilter", outputChannel = "userGoOffline") public boolean