Spring Integration 文件在多个会话中仅来自 SFTP 一次
[英]Spring Integration file only once from SFTP across several sessions
问题描述
I have a Spring Integration WorkFlow which downloads files from a SFTP directory.
我有一个 Spring Integration WorkFlow，它从 SFTP 目录下载文件。 This is done with a RemoteFileInboundChannelAdapterSpec and IntegrationFlows.这是通过 RemoteFileInboundChannelAdapterSpec 和 IntegrationFlows 完成的。
Spring Integration remembers within a session which files it has already downloaded, can I do this across sessions eg through a database and if so how? Spring Integration 在会话中记住它已经下载了哪些文件，我是否可以跨会话执行此操作，例如通过数据库执行此操作，如果可以，如何执行？
1 个解决方案
解决方案1
0 已采纳 2021-07-12 15:22:01
It is done not within the session, but by some specific FileListFilter implementation .它不是在会话中完成的，而是由一些特定的FileListFilter实现完成的。 For your goal we suggest an SftpPersistentAcceptOnceFileListFilter where its MetadataStore could really be based on some shared database.为了您的目标，我们建议使用SftpPersistentAcceptOnceFileListFilter ，其MetadataStore可以真正基于某个共享数据库。 See more in docs: https://docs.spring.io/spring-integration/docs/current/reference/html/sftp.html#sftp-inbound在文档中查看更多信息： https : //docs.spring.io/spring-integration/docs/current/reference/html/sftp.html#sftp-inbound
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