ojo
Overview
Ojo is a simple and extensible framework for watching files and responding to events. It uses the Java 7 Watch Service API. An extension system enables custom behaviors to be plugged into hooks that are applied at different phases of file-watching.
A parallel event handling worker system is optionally provided for high-performance handling of high-volume file activity (for example, the use case that drove development of this library is the processing of frequent changes in a large number of data files and feeding new data to a message queue).
This code has been deployed in production as the file-watching engine for an application that constantly responds to changes in large amounts of data. It is known to perform well on Windows, Linux, and Mac OS file systems (Mac is known to have longer response latencies due to the lack of native file events).
Dependency Coordinates
Usage
TODO: write
Extension System
TODO: write
Example Project
Executable usage documentation can be found in the cucumber features and step definitions for the example/ project included in this repo. Run lein cucumber to test these example scenarios.
License
Author: Robert Levy / @rplevy-draker
Copyright © 2013 Draker
Distributed under the Eclipse Public License, the same as Clojure.
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