com.github.ferstl.jarscan.SequenceCountMojo Maven / Gradle / Ivy

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A Maven plugin that scans the project artifact and its dependencies for methods that cannot be inlined by the JIT compiler. It uses the JarScan utility from the JITWatch project to do that. See https://github.com/AdoptOpenJDK/jitwatch .

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package com.github.ferstl.jarscan;

import org.adoptopenjdk.jitwatch.jarscan.IJarScanOperation;
import org.adoptopenjdk.jitwatch.jarscan.sequencecount.SequenceCountOperation;
import org.apache.maven.plugins.annotations.LifecyclePhase;
import org.apache.maven.plugins.annotations.Mojo;
import org.apache.maven.plugins.annotations.Parameter;
import org.apache.maven.plugins.annotations.ResolutionScope;

/**
 * Count instruction sequences.
 *
 * @since 1.1
 */
@Mojo(
    name = "sequenceCount",
    aggregator = false,
    defaultPhase = LifecyclePhase.VERIFY,
    requiresDependencyCollection = ResolutionScope.TEST,
    requiresDependencyResolution = ResolutionScope.TEST,
    requiresDirectInvocation = false,
    threadSafe = true)
public class SequenceCountMojo extends AbstractJarScanMojo {

  /**
   * Report sequences of length n.
   *
   * @since 1.1
   */
  @Parameter(property = "length", defaultValue = "1")
  private int length;

  @Override
  protected String validateMojoParameters() {
    if (this.length <= 0) {
      return "length must be > 0.";
    }

    return null;
  }

  @Override
  protected IJarScanOperation createOperation() {
    return new SequenceCountOperation(this.length);
  }

}