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Implements the RuleChain within the QueueableWithoutFinalizerRule.

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Implements the [`RuleChain`](https://docs.pmd-code.org/latest/pmd_userdocs_extending_writing_java_rules.html#economic-traversal-the-rulechain) to traverse all classes within the file.
This commit is contained in:
mitchspano 2024-11-12 21:59:02 +00:00
parent 4e4ca6bb70
commit 1a9e721fb6
1 changed files with 8 additions and 9 deletions
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17
pmd-apex/src/main/java/net/sourceforge/pmd/lang/apex/rule/bestpractices/QueueableWithoutFinalizerRule.java
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@ -10,6 +10,8 @@ import net.sourceforge.pmd.lang.apex.ast.ASTMethodCallExpression;
import net.sourceforge.pmd.lang.apex.ast.ASTParameter;
import net.sourceforge.pmd.lang.apex.ast.ASTUserClass;
import net.sourceforge.pmd.lang.apex.rule.AbstractApexRule;
import net.sourceforge.pmd.lang.rule.RuleTargetSelector;
import org.checkerframework.checker.nullness.qual.NonNull;
/**
* Scans classes which implement the `Queueable` interface. If the `public void
@ -25,23 +27,19 @@ public class QueueableWithoutFinalizerRule extends AbstractApexRule {
private static final String QUEUEABLE_CONTEXT = "queueablecontext";
private static final String SYSTEM_ATTACH_FINALIZER = "system.attachfinalizer";
/** Scans the top level class and all inner classes. */
@Override
public Object visit(ASTUserClass topLevelClass, Object data) {
scanClassForViolation(topLevelClass, data);
for (ASTUserClass innerClass : topLevelClass.descendants(ASTUserClass.class).toList()) {
scanClassForViolation(innerClass, data);
}
return data;
protected @NonNull RuleTargetSelector buildTargetSelector() {
return RuleTargetSelector.forTypes(ASTUserClass.class);
}
/**
* If the class implements the `Queueable` interface and the `execute(QueueableContext context)`
* does not call the `System.attachFinalizer(Finalizer f)` method, then add a violation.
*/
private void scanClassForViolation(ASTUserClass theClass, Object data) {
@Override
public Object visit(ASTUserClass theClass, Object data) {
if (!implementsTheQueueableInterface(theClass)) {
return;
return data;
}
for (ASTMethod theMethod : theClass.descendants(ASTMethod.class).toList()) {
if (isTheExecuteMethodOfTheQueueableInterface(theMethod)
@ -49,6 +47,7 @@ public class QueueableWithoutFinalizerRule extends AbstractApexRule {
asCtx(data).addViolation(theMethod);
}
}
return data;
}
/** Determines if the class implements the Queueable interface. */