diff --git a/platform/platform-impl/src/com/intellij/idea/SocketLock.kt b/platform/platform-impl/src/com/intellij/idea/DirectoryLock.java
similarity index 99%
rename from platform/platform-impl/src/com/intellij/idea/SocketLock.kt
rename to platform/platform-impl/src/com/intellij/idea/DirectoryLock.java
index ab52f9b40388..09745fe165e0 100644
--- a/platform/platform-impl/src/com/intellij/idea/SocketLock.kt
+++ b/platform/platform-impl/src/com/intellij/idea/DirectoryLock.java
@@ -41,6 +41,7 @@ private const val PATHS_EOT_RESPONSE = "---"
 private const val ACTIVATE_COMMAND = "activate "
 private const val OK_RESPONSE = "ok"
 
+//todo rename into DirectoryLock, then replace with the new one
 class SocketLock(@JvmField val configPath: Path, @JvmField val systemPath: Path) {
   enum class ActivationStatus {
     ACTIVATED, NO_INSTANCE, CANNOT_ACTIVATE
diff --git a/platform/platform-tests/testSrc/com/intellij/idea/LockSupportTest.java b/platform/platform-tests/testSrc/com/intellij/idea/DirectoryLockTest.java
similarity index 100%
rename from platform/platform-tests/testSrc/com/intellij/idea/LockSupportTest.java
rename to platform/platform-tests/testSrc/com/intellij/idea/DirectoryLockTest.java