migrateitemwriterwrite.md

Migrate ItemWriter

org.openrewrite.java.spring.batch.MigrateItemWriterWrite

JobBuilderFactory was deprecated in Springbatch 5.x : replaced by JobBuilder.

Source

GitHub, Issue Tracker, Maven Central

• groupId: org.openrewrite.recipe
• artifactId: rewrite-spring
• version: 5.0.1

Example

{% tabs %} {% tab title="ConsoleItemWriter.java" %}

Before

{% code title="ConsoleItemWriter.java" %}

import java.util.List;
import org.springframework.batch.item.ItemWriter;

public class ConsoleItemWriter<T> implements ItemWriter<T> {

    @Override
    public void write(final List<? extends T> items) throws Exception {
        for (final T item : items) {
            System.out.println(item.toString());
        }
    }
}

{% endcode %}

After

{% code title="ConsoleItemWriter.java" %}

import org.springframework.batch.item.Chunk;
import org.springframework.batch.item.ItemWriter;

public class ConsoleItemWriter<T> implements ItemWriter<T> {

    @Override
    public void write(final Chunk<? extends T> items) throws Exception {
        for (final T item : items) {
            System.out.println(item.toString());
        }
    }
}

{% endcode %}

{% endtab %} {% tab title="Diff" %} {% code %}

--- ConsoleItemWriter.java
+++ ConsoleItemWriter.java
@@ -1,1 +1,1 @@
-import java.util.List;
+import org.springframework.batch.item.Chunk;
import org.springframework.batch.item.ItemWriter;
@@ -7,1 +7,1 @@

    @Override
-   public void write(final List<? extends T> items) throws Exception {
+   public void write(final Chunk<? extends T> items) throws Exception {
        for (final T item : items) {

{% endcode %} {% endtab %} {% endtabs %}

Usage

This recipe has no required configuration options. It can be activated by adding a dependency on org.openrewrite.recipe:rewrite-spring:5.0.1 in your build file or by running a shell command (in which case no build changes are needed): {% tabs %} {% tab title="Gradle" %} {% code title="build.gradle" %}

plugins {
    id("org.openrewrite.rewrite") version("6.1.4")
}

rewrite {
    activeRecipe("org.openrewrite.java.spring.batch.MigrateItemWriterWrite")
}

repositories {
    mavenCentral()
}

dependencies {
    rewrite("org.openrewrite.recipe:rewrite-spring:5.0.1")
}

{% endcode %} {% endtab %} {% tab title="Maven POM" %} {% code title="pom.xml" %}

<project>
  <build>
    <plugins>
      <plugin>
        <groupId>org.openrewrite.maven</groupId>
        <artifactId>rewrite-maven-plugin</artifactId>
        <version>5.2.4</version>
        <configuration>
          <activeRecipes>
            <recipe>org.openrewrite.java.spring.batch.MigrateItemWriterWrite</recipe>
          </activeRecipes>
        </configuration>
        <dependencies>
          <dependency>
            <groupId>org.openrewrite.recipe</groupId>
            <artifactId>rewrite-spring</artifactId>
            <version>5.0.1</version>
          </dependency>
        </dependencies>
      </plugin>
    </plugins>
  </build>
</project>

{% endcode %} {% endtab %}

{% tab title="Maven Command Line" %} {% code title="shell" %} You will need to have Maven installed on your machine before you can run the following command.

mvn -U org.openrewrite.maven:rewrite-maven-plugin:run \
  -Drewrite.recipeArtifactCoordinates=org.openrewrite.recipe:rewrite-spring:RELEASE \
  -Drewrite.activeRecipes=org.openrewrite.java.spring.batch.MigrateItemWriterWrite

{% endcode %} {% endtab %} {% endtabs %}

Contributors

• pdesprez
• Knut Wannheden
• Kun Li

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