Open source

Simplify a call chain

Recipe IDorg.openrewrite.java.SimplifyMethodChainArtifactorg.openrewrite:rewrite-java

Simplify a.b().c() to a.d().

Single recipeApache 2.0

Add to your build

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~/.gradle/gradle.properties

codeGenomeUsername=you@example.com
codeGenomeToken=YOUR_DOWNLOAD_TOKEN

build.gradle.kts

plugins {
    id("org.openrewrite.rewrite") version("latest.release")
}

rewrite {
    activeRecipe("org.openrewrite.java.SimplifyMethodChain")
}

repositories {
    mavenCentral()
    maven {
        url = uri("https://artifacts.codegenomeproject.org/maven")
        credentials {
            username = providers.gradleProperty("codeGenomeUsername").get()
            password = providers.gradleProperty("codeGenomeToken").get()
        }
    }
}

dependencies {
    rewrite("org.openrewrite:rewrite-java:8.92.8")
}

Then run

./gradlew rewriteRun

This recipe has required options, which a build sets in a rewrite.yml recipe that you activate instead.

Usage

You’ll need the Moderne CLI configured before running the command below.

mod run . --recipe org.openrewrite.java.SimplifyMethodChain --recipe-option "methodPatternChain=['java.util.Map keySet()', 'java.util.Set contains(..)']" --recipe-option "newMethodName=containsKey"

If the recipe isn’t available locally, install it with:

mod config recipes jar install org.openrewrite:rewrite-java:RELEASE

Options

Name	Type	Description
`methodPatternChain`required	`List`	A list of method patterns that are called in sequence e.g. `['java.util.Map keySet()', 'java.util.Set contains(..)']`
`newMethodName`required	`String`	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. e.g. `containsKey`
`matchOverrides`	`Boolean`	When enabled, find methods that are overrides of the method pattern. e.g. `false`

Data tables

Structured output this recipe can produce.

Source files that had resultsSource files that were modified by the recipe run.org.openrewrite.table.SourcesFileResults
Source files that had search resultsSearch results that were found during the recipe run.org.openrewrite.table.SearchResults
Source files that errored on a recipeThe details of all errors produced by a recipe run.org.openrewrite.table.SourcesFileErrors
Recipe performanceStatistics used in analyzing the performance of recipes.org.openrewrite.table.RecipeRunStats