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Simplify a call chain

Recipe IDorg.openrewrite.java.SimplifyMethodChain
Artifactorg.openrewrite:rewrite-java

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

Single recipeApache 2.0

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:8.88.0

Options

NameTypeDescription
methodPatternChainrequiredListA list of method patterns that are called in sequence
e.g. ['java.util.Map keySet()', 'java.util.Set contains(..)']
newMethodNamerequiredStringThe 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
matchOverridesBooleanWhen 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