apache · nizhikov · Aug 5, 2025 · Jul 4, 2025
diff --git a/...les/core/src/main/java/org/apache/ignite/internal/util/ReflectiveDirectBufferCleaner.java b/...les/core/src/main/java/org/apache/ignite/internal/util/ReflectiveDirectBufferCleaner.java
diff --git a/modules/unsafe/src/main/java/org/apache/ignite/internal/util/DirectBufferCleaner.java b/modules/unsafe/src/main/java/org/apache/ignite/internal/util/DirectBufferCleaner.java
diff --git a/modules/unsafe/src/main/java/org/apache/ignite/internal/util/FeatureChecker.java b/modules/unsafe/src/main/java/org/apache/ignite/internal/util/FeatureChecker.java
@@ -20,7 +20,7 @@
  * Class extracted for fields from GridUnsafe to be absolutely independent with current and future static block
  * initialization effects.
  */
-public class FeatureChecker {
+class FeatureChecker {
     /** Required Options to Run on Java 11. */
     public static final String JAVA_11_OPTIONS = "--add-exports=java.base/jdk.internal.misc=ALL-UNNAMED\n" +
         "--add-exports=java.base/sun.nio.ch=ALL-UNNAMED\n" +

diff --git a/modules/unsafe/src/main/java/org/apache/ignite/internal/util/GridUnsafe.java b/modules/unsafe/src/main/java/org/apache/ignite/internal/util/GridUnsafe.java
@@ -130,7 +130,7 @@ public abstract class GridUnsafe {
     private static final boolean HAS_JAVA_NIO_ACCESS_MEMORY_SEGMENT_PARAM = majorJavaVersion(jdkVersion()) >= 19;
 
     /** Cleaner code for direct {@code java.nio.ByteBuffer}. */
-    private static final DirectBufferCleaner DIRECT_BUF_CLEANER = new UnsafeDirectBufferCleaner();
+    private static final UnsafeDirectBufferCleaner DIRECT_BUF_CLEANER = new UnsafeDirectBufferCleaner();
 
     /** JavaNioAccess object. If {@code null} then {@link #NEW_DIRECT_BUF_CONSTRUCTOR} should be available. */
     @Nullable private static final Object JAVA_NIO_ACCESS_OBJ;

diff --git a/modules/unsafe/src/main/java/org/apache/ignite/internal/util/UnsafeDirectBufferCleaner.java b/modules/unsafe/src/main/java/org/apache/ignite/internal/util/UnsafeDirectBufferCleaner.java
@@ -22,11 +22,9 @@
 import sun.misc.Unsafe;
 
 /**
- * {@link DirectBufferCleaner} implementation based on {@code Unsafe.invokeCleaner} method.
- *
- * Note: This implementation will work only for Java 9+.
+ * Cleaner for {@code java.nio.ByteBuffer} based on {@code Unsafe.invokeCleaner} method.
  */
-public class UnsafeDirectBufferCleaner implements DirectBufferCleaner {
+class UnsafeDirectBufferCleaner {
     /** Cleaner method. */
     private final Method cleanerMtd;
 
@@ -40,8 +38,12 @@ public UnsafeDirectBufferCleaner() {
         }
     }
 
-    /** {@inheritDoc} */
-    @Override public void clean(ByteBuffer buf) {
+    /**
+     * Cleans direct buffer.
+     *
+     * @param buf direct buffer.
+     */
+    public void clean(ByteBuffer buf) {
         GridUnsafe.invoke(cleanerMtd, buf);
     }
 }