org.openrewrite.staticanalysis.RemoveCallsToSystemGc
Removes calls to System.gc()
and Runtime.gc()
. When to invoke garbage collection is best left to the JVM.
- RSPEC-1215
GitHub, Issue Tracker, Maven Central
- groupId: org.openrewrite.recipe
- artifactId: rewrite-static-analysis
- version: 1.0.1
{% tabs %} {% tab title="A.java" %}
{% code title="A.java" %}
public class A {
public String gc() {
return "here gc stands for good call";
}
public static void main(String[] args) {
gc();
System.gc();
if (1 > 0) {
System.gc();
}
}
}
{% endcode %}
{% code title="A.java" %}
public class A {
public String gc() {
return "here gc stands for good call";
}
public static void main(String[] args) {
gc();
}
}
{% endcode %}
{% endtab %} {% tab title="Diff" %} {% code %}
--- A.java
+++ A.java
@@ -8,4 +8,0 @@
public static void main(String[] args) {
gc();
- System.gc();
- if (1 > 0) {
- System.gc();
- }
}
{% endcode %} {% endtab %} {% endtabs %}
This recipe has no required configuration options. It can be activated by adding a dependency on org.openrewrite.recipe:rewrite-static-analysis:1.0.1
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.staticanalysis.RemoveCallsToSystemGc")
}
repositories {
mavenCentral()
}
dependencies {
rewrite("org.openrewrite.recipe:rewrite-static-analysis:1.0.1")
}
{% 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.staticanalysis.RemoveCallsToSystemGc</recipe>
</activeRecipes>
</configuration>
<dependencies>
<dependency>
<groupId>org.openrewrite.recipe</groupId>
<artifactId>rewrite-static-analysis</artifactId>
<version>1.0.1</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-static-analysis:RELEASE \
-Drewrite.activeRecipes=org.openrewrite.staticanalysis.RemoveCallsToSystemGc
{% endcode %} {% endtab %} {% endtabs %}
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.