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Migrate JavaEE Code to Quarkus 2

org.openrewrite.quarkus.migrate.javaee.JavaEEtoQuarkus2CodeMigration

Migrate Standard JavaEE Code to Quarkus 2.

Recipe source​

GitHub, Issue Tracker, Maven Central

info

This recipe is composed of more than one recipe. If you want to customize the set of recipes this is composed of, you can find and copy the GitHub source for the recipe from the link above.

This recipe is available under the Apache License Version 2.0.

Definition​

Examples​

Example 1​
Before​
package org.acme;

import javax.ejb.EJB;
import javax.ejb.Local;
import javax.ejb.SessionContext;
import javax.ejb.Singleton;
import javax.ejb.Stateful;
import javax.ejb.Stateless;

import javax.annotation.Resource;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;

@Stateless
public class PingEJBSLS {

    @PersistenceContext
    private EntityManager entityManager;

    @Resource
    private SessionContext context;

    @EJB
    private PingEJBLocal pingEJBLocal;

    @EJB(lookup = "java:global/PingEJBSingleton")
    private PingEJBSingleton pingEJBSingleton;

    public String getMsg() {
        return "PingEJBSLS: " + pingEJBLocal.getMsg() + " " + pingEJBSingleton.getMsg();
    }

}

@Stateful
@Local
public class PingEJBLocal {

    private static int hitCount;

    public String getMsg() {
        return "PingEJBLocal: " + hitCount++;
    }

}

@Singleton
public class PingEJBSingleton {

      private static int hitCount;

      @PersistenceContext
      private EntityManager entityManager;

      public String getMsg() {
           return "PingEJBSingleton: " + hitCount++;
      }
}
After​
package org.acme;

import javax.ejb.SessionContext;
import javax.enterprise.context.ApplicationScoped;
import javax.enterprise.context.Dependent;
import javax.enterprise.context.SessionScoped;
import javax.inject.Inject;
import javax.annotation.Resource;
import javax.persistence.EntityManager;

@Dependent
public class PingEJBSLS {

    @Inject
    private EntityManager entityManager;

    @Resource
    private SessionContext context;

    @Inject
    private PingEJBLocal pingEJBLocal;

    @Inject
    private PingEJBSingleton pingEJBSingleton;

    public String getMsg() {
        return "PingEJBSLS: " + pingEJBLocal.getMsg() + " " + pingEJBSingleton.getMsg();
    }

}

@SessionScoped
public class PingEJBLocal {

    private static int hitCount;

    public String getMsg() {
        return "PingEJBLocal: " + hitCount++;
    }

}

@ApplicationScoped
public class PingEJBSingleton {

      private static int hitCount;

      @Inject
      private EntityManager entityManager;

      public String getMsg() {
           return "PingEJBSingleton: " + hitCount++;
      }
}
Example 2​
Before​
package org.acme;

import javax.ejb.EJB;
import javax.ejb.Local;
import javax.ejb.SessionContext;
import javax.ejb.Singleton;
import javax.ejb.Stateful;
import javax.ejb.Stateless;

import javax.annotation.Resource;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;

@Stateless
public class PingEJBSLS {

    @PersistenceContext
    private EntityManager entityManager;

    @Resource
    private SessionContext context;

    @EJB
    private PingEJBLocal pingEJBLocal;

    @EJB(lookup = "java:global/PingEJBSingleton")
    private PingEJBSingleton pingEJBSingleton;

    public String getMsg() {
        return "PingEJBSLS: " + pingEJBLocal.getMsg() + " " + pingEJBSingleton.getMsg();
    }

}

@Stateful
@Local
public class PingEJBLocal {

    private static int hitCount;

    public String getMsg() {
        return "PingEJBLocal: " + hitCount++;
    }

}

@Singleton
public class PingEJBSingleton {

      private static int hitCount;

      @PersistenceContext
      private EntityManager entityManager;

      public String getMsg() {
           return "PingEJBSingleton: " + hitCount++;
      }
}
After​
package org.acme;

import javax.ejb.SessionContext;
import javax.enterprise.context.ApplicationScoped;
import javax.enterprise.context.Dependent;
import javax.enterprise.context.SessionScoped;
import javax.inject.Inject;
import javax.annotation.Resource;
import javax.persistence.EntityManager;

@Dependent
public class PingEJBSLS {

    @Inject
    private EntityManager entityManager;

    @Resource
    private SessionContext context;

    @Inject
    private PingEJBLocal pingEJBLocal;

    @Inject
    private PingEJBSingleton pingEJBSingleton;

    public String getMsg() {
        return "PingEJBSLS: " + pingEJBLocal.getMsg() + " " + pingEJBSingleton.getMsg();
    }

}

@SessionScoped
public class PingEJBLocal {

    private static int hitCount;

    public String getMsg() {
        return "PingEJBLocal: " + hitCount++;
    }

}

@ApplicationScoped
public class PingEJBSingleton {

      private static int hitCount;

      @Inject
      private EntityManager entityManager;

      public String getMsg() {
           return "PingEJBSingleton: " + hitCount++;
      }
}

Usage​

This recipe has no required configuration options. It can be activated by adding a dependency on org.openrewrite.recipe:rewrite-quarkus in your build file or by running a shell command (in which case no build changes are needed):

  1. Add the following to your build.gradle file:
build.gradle
plugins {
    id("org.openrewrite.rewrite") version("7.7.0")
}

rewrite {
    activeRecipe("org.openrewrite.quarkus.migrate.javaee.JavaEEtoQuarkus2CodeMigration")
    setExportDatatables(true)
}

repositories {
    mavenCentral()
}

dependencies {
    rewrite("org.openrewrite.recipe:rewrite-quarkus:2.20.0")
}
  1. Run gradle rewriteRun to run the recipe.

See how this recipe works across multiple open-source repositories​

Run this recipe on OSS repos at scale with the Moderne SaaS.

The community edition of the Moderne platform enables you to easily run recipes across thousands of open-source repositories.

Please contact Moderne for more information about safely running the recipes on your own codebase in a private SaaS.

Data Tables​

Source files that had results​

org.openrewrite.table.SourcesFileResults

Source files that were modified by the recipe run.

Column NameDescription
Source path before the runThe source path of the file before the run. null when a source file was created during the run.
Source path after the runA 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 changesIn 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 changesThe specific recipe that made a change.
Estimated time savingAn estimated effort that a developer to fix manually instead of using this recipe, in unit of seconds.
CycleThe recipe cycle in which the change was made.