Links

Simplify a call chain

org.openrewrite.java.SimplifyMethodChain
Simplify a.b().c() to a.d().

Source

  • groupId: org.openrewrite
  • artifactId: rewrite-java
  • version: 8.6.0

Options

Type
Name
Description
List
methodPatternChain
A list of method patterns that are called in sequence
String
newMethodName
The method name that will replace the existing name. The new method name target is assumed to have the same arguments as the last method in the chain.
Boolean
matchOverrides
Optional. When enabled, find methods that are overrides of the method pattern.

Usage

This recipe has required configuration parameters. Recipes with required configuration parameters cannot be activated directly. To activate this recipe you must create a new recipe which fills in the required parameters. In your rewrite.yml create a new recipe with a unique name. For example: com.yourorg.SimplifyMethodChainExample. Here's how you can define and customize such a recipe within your rewrite.yml:
rewrite.yml
---
type: specs.openrewrite.org/v1beta/recipe
name: com.yourorg.SimplifyMethodChainExample
displayName: Simplify a call chain example
recipeList:
- org.openrewrite.java.SimplifyMethodChain:
methodPatternChain: ['java.util.Map keySet()', 'java.util.Set contains(..)']
newMethodName: containsKey
matchOverrides: false
Now that com.yourorg.SimplifyMethodChainExample has been defined activate it in your build file:
Gradle
Maven
  1. 1.
    Add the following to your build.gradle file:
build.gradle
plugins {
id("org.openrewrite.rewrite") version("6.3.11")
}
rewrite {
activeRecipe("com.yourorg.SimplifyMethodChainExample")
}
repositories {
mavenCentral()
}
  1. 2.
    Run gradle rewriteRun to run the recipe.
  1. 1.
    Add the following to your pom.xml file:
pom.xml
<project>
<build>
<plugins>
<plugin>
<groupId>org.openrewrite.maven</groupId>
<artifactId>rewrite-maven-plugin</artifactId>
<version>5.5.2</version>
<configuration>
<activeRecipes>
<recipe>com.yourorg.SimplifyMethodChainExample</recipe>
</activeRecipes>
</configuration>
</plugin>
</plugins>
</build>
</project>
  1. 2.
    Run mvn rewrite:run to run the recipe.

Contributors

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