Eliminate unused classes

io.moderne.azul.EliminateUnusedClasses

Deprecate and later delete classes that are unused, as detected by Azul Intelligence Cloud.

Recipe source

This recipe is only available to users of Moderne.

This recipe is available under the Moderne Proprietary License.

Options

Type	Name	Description	Example
URL	azulUrl	'Azul Intelligence Cloud endpoint.	https://YOUR_ENDPOINT.azul.com
String	azulApiKey	API key used to make REST requests to Azul Intelligence Cloud.	YOUR-API-KEY
String	markDeprecatedAfter	Optional. Classes that haven't been used in this duration will be marked deprecated but not yet for removal. Defaults to P4W	P4W
String	markForRemovalAfter	Optional. Classes that haven't been used in this duration will be marked deprecated and for removal. Defaults to P1Y	P3M
String	removeAfter	Optional. Classes that haven't been used in this duration will be removed. Defaults to P2Y	P1Y

Usage

This recipe has required configuration parameters and can only be run by users of Moderne. To run this recipe, you will need to provide the Moderne CLI run command with the required options. Or, if you'd like to create a declarative recipe, please see the below example of a rewrite.yml file:

rewrite.yml

---
type: specs.openrewrite.org/v1beta/recipe
name: com.yourorg.EliminateUnusedClassesExample
displayName: Eliminate unused classes example
recipeList:
  - io.moderne.azul.EliminateUnusedClasses: 
      azulUrl: https://YOUR_ENDPOINT.azul.com
      azulApiKey: YOUR-API-KEY
      markDeprecatedAfter: P4W
      markForRemovalAfter: P3M
      removeAfter: P1Y

Moderne CLI

You will need to have configured the Moderne CLI on your machine before you can run the following command.

shell

mod run . --recipe EliminateUnusedClasses --recipe-option "azulUrl=https://YOUR_ENDPOINT.azul.com" --recipe-option "azulApiKey=YOUR-API-KEY" --recipe-option "markDeprecatedAfter=P4W" --recipe-option "markForRemovalAfter=P3M" --recipe-option "removeAfter=P1Y"

If the recipe is not available locally, then you can install it using:

mod config recipes jar install org.openrewrite.recipe:rewrite-azul:0.2.0

See how this recipe works across multiple open-source repositories

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Run this recipe here

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Data Tables

ReachableClasses

Reachable classes

io.moderne.azul.table.ReachableClasses

Classes in a repository's source code that are reachable. This data table does not contain information about reachability in libraries.

Column Name	Description
Class name	The fully qualified name of the class that is reachable.
Last used	The date and time when the method was last used.
AppEnv	The 'AppEnv' as defined by Azul Intelligence Cloud.

SourcesFileResults

Source files that had results

org.openrewrite.table.SourcesFileResults

Source files that were modified by the recipe run.

Column Name	Description
Source path before the run	The source path of the file before the run. null when a source file was created during the run.
Source path after the run	A recipe may modify the source path. This is the path after the run. null when a source file was deleted during the run.
Parent of the recipe that made changes	In a hierarchical recipe, the parent of the recipe that made a change. Empty if this is the root of a hierarchy or if the recipe is not hierarchical at all.
Recipe that made changes	The specific recipe that made a change.
Estimated time saving	An estimated effort that a developer to fix manually instead of using this recipe, in unit of seconds.
Cycle	The recipe cycle in which the change was made.

SourcesFileErrors

Source files that errored on a recipe

org.openrewrite.table.SourcesFileErrors

The details of all errors produced by a recipe run.

Column Name	Description
Source path	The file that failed to parse.
Recipe that made changes	The specific recipe that made a change.
Stack trace	The stack trace of the failure.

RecipeRunStats

Recipe performance

org.openrewrite.table.RecipeRunStats

Statistics used in analyzing the performance of recipes.

Column Name	Description
The recipe	The recipe whose stats are being measured both individually and cumulatively.
Source file count	The number of source files the recipe ran over.
Source file changed count	The number of source files which were changed in the recipe run. Includes files created, deleted, and edited.
Cumulative scanning time (ns)	The total time spent across the scanning phase of this recipe.
99th percentile scanning time (ns)	99 out of 100 scans completed in this amount of time.
Max scanning time (ns)	The max time scanning any one source file.
Cumulative edit time (ns)	The total time spent across the editing phase of this recipe.
99th percentile edit time (ns)	99 out of 100 edits completed in this amount of time.
Max edit time (ns)	The max time editing any one source file.