Google Cloud Spanner Change Watcher Parent
· Google Cloud Spanner Change Watcher and Publisher is a framework that emits events when a row has been changed in a Cloud Spanner database. These row change events can be captured and processed in-process as part of a user application, or they can be published to Google Cloud Pubsub for consumption by any other application.
Download JD-GUI to open JAR file and explore Java source code file (.class .java)
Click menu "File → Open File..." or just drag-and-drop the JAR file in the JD-GUI window spanner-change-watcher-1.2.1.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.