![]() ![]() Then you'll start to see these inferred annotations in gray in the editor. After that if you enable "Inferred annotations": 8GiB) and it will take "a while" to complete. You'll want to give IntelliJ lots of memory to work with (e.g. You may also want to run the "Infer Nullity…" analyzer from the "Analysis" menu. Oddly, this setting is in the "Constant conditions & exceptions" panel under the Java "Probable bugs" inspection category: In addition to those instructions you may want to tell IntelliJ inspections to "treat non-annotated members and parameters as This is the most conservative setting and should highlight the most bugs. Here is the home page for the JetBrains annotations Maven project: No such annotation processor is present in the Geode CI pipelines (at the time of this writing) so no runtime checking of this annotation happens in CI. This runtime checking is not, in general, in effect in the Geode product unless the user goes out of their way to make it so, by adding a Java annotation processor. If you set up your IDE this way then you will see IllegalArgumentExceptions when tests encounter violations of at runtime. Here are instructions from JetBrains on how the annotations work in the IDE: IntelliJ Support for and Null Annotations If you wonder whether a variable or method parameter can ever be null, you can annotate it with and IntelliJ will perform static analysis (inspection) and will point out (as a warning) places where that variable or parameter is taking on a potentially-null value. If you need those annotations in other subprojects, just add this to the pertinent adle:ĬompileOnly( 'org.jetbrains:annotations') These annotations can help you declare your intentions in new code but they are particularly helpful during refactoring. This makes the JetBrains and annotations available in classes in that subproject. With GEODE-8882 we have introduced a compile-time dependency (in the geode-core subproject only) on the JetBrains annotations package. But that leads to needlessly verbose code. One approach is to always assume every reference-typed variable can be null. As a result, as maintainers, we often find ourselves wondering whether a particular variable can take on a null value at runtime. Unfortunately we Geode developers maintain a lot of code that was not developed that way. In Kotlin, by default, variables with reference-type cannot have a null value. Kotlin even makes you do extra work to declare a nullable reference type. Best practices in Java development circa 2021 dictate sparing use of null . ![]()
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