cleanup: push down internal method down into impl

GitOrigin-RevId: ee84a1d40268a721c22c9b7efd5839165aed6d87

platform/core-api/src/com/intellij/openapi/vfs/pointers/VirtualFilePointer.java

@@ -34,13 +34,8 @@ public interface VirtualFilePointer {
   @NotNull
   String getPresentableUrl();
 
-  boolean isValid();
-
   /**
-   * @return true if {@link VirtualFilePointerListener#validityChanged(VirtualFilePointer[])}
-   * should fired for every change beneath this directory (Used for jar directories in libraries)
+   * @return true if the file exists
    */
-  default boolean isRecursive() {
-    return false;
-  }
+  boolean isValid();
 }

platform/platform-impl/src/com/intellij/openapi/vfs/impl/FilePointerPartNode.java

@@ -227,7 +227,7 @@ class FilePointerPartNode {
   private boolean hasRecursiveDirectoryPointer() {
     if (leaves == null) return false;
     if (leaves instanceof VirtualFilePointer) {
-      return ((VirtualFilePointer)leaves).isRecursive();
+      return ((VirtualFilePointerImpl)leaves).isRecursive();
     }
     VirtualFilePointerImpl[] leaves = (VirtualFilePointerImpl[])this.leaves;
     for (VirtualFilePointerImpl leaf : leaves) {

platform/platform-impl/src/com/intellij/openapi/vfs/impl/VirtualFilePointerImpl.java

@@ -129,8 +129,7 @@ class VirtualFilePointerImpl extends TraceableDisposable implements VirtualFileP
     return node.incrementUsageCount(delta);
   }
 
-  @Override
-  public boolean isRecursive() {
+  boolean isRecursive() {
     return recursive;
   }
 }

platform/platform-tests/testSrc/com/intellij/openapi/vfs/impl/VirtualFilePointersTreeTest.java

@@ -75,7 +75,7 @@ public class VirtualFilePointersTreeTest extends HeavyPlatformTestCase {
     VirtualFile parent = createChildDirectory(root, "parent");
     VirtualFileSystemEntry dir = (VirtualFileSystemEntry)createChildDirectory(parent, "dir");
     assertPointersUnder(dir, "inner");
-    assertTrue(innerPointer.isRecursive());
+    assertTrue(((VirtualFilePointerImpl)innerPointer).isRecursive());
   }
 
   public void testUrlsHavingOnlyStartingSlashInCommon() {