use more sane API for LowMemoryWatcher

platform/core-impl/src/com/intellij/psi/impl/smartPointers/SmartPointerManagerImpl.java

@@ -44,12 +44,6 @@ import java.util.*;
 public class SmartPointerManagerImpl extends SmartPointerManager {
   private static final Logger LOG = Logger.getInstance("#com.intellij.psi.impl.smartPointers.SmartPointerManagerImpl");
   private static final ReferenceQueue<SmartPsiElementPointerImpl> ourQueue = new ReferenceQueue<SmartPsiElementPointerImpl>();
-  @SuppressWarnings("unused") private static final LowMemoryWatcher ourWatcher = LowMemoryWatcher.register(new Runnable() {
-    @Override
-    public void run() {
-      processQueue();
-    }
-  });
 
   private final Project myProject;
   private final Key<FilePointersList> POINTERS_KEY;
@@ -61,6 +55,15 @@ public class SmartPointerManagerImpl extends SmartPointerManager {
     POINTERS_KEY = Key.create("SMART_POINTERS for "+project);
   }
 
+  static {
+    LowMemoryWatcher.register(new Runnable() {
+      @Override
+      public void run() {
+        processQueue();
+      }
+    }, ApplicationManager.getApplication());
+  }
+
   private static void processQueue() {
     while (true) {
       PointerReference reference = (PointerReference)ourQueue.poll();

platform/core-impl/src/com/intellij/psi/impl/source/AstPathPsiMap.java

@@ -49,7 +49,7 @@ class AstPathPsiMap {
 
   AstPathPsiMap(@NotNull Project project) {
     MyReferenceQueue queue = project.getUserData(STUB_PSI_REFS);
-    myQueue = queue != null ? queue : ((UserDataHolderEx)project).putUserDataIfAbsent(STUB_PSI_REFS, new MyReferenceQueue());
+    myQueue = queue != null ? queue : ((UserDataHolderEx)project).putUserDataIfAbsent(STUB_PSI_REFS, new MyReferenceQueue(project));
   }
 
   void invalidatePsi() {
@@ -100,12 +100,14 @@ class AstPathPsiMap {
   }
 
   private static class MyReferenceQueue extends ReferenceQueue<StubBasedPsiElementBase<?>> {
-    @SuppressWarnings("unused") LowMemoryWatcher watcher = LowMemoryWatcher.register(new Runnable() {
-      @Override
-      public void run() {
-        cleanupStaleReferences();
-      }
-    });
+    MyReferenceQueue(Project project) {
+      LowMemoryWatcher.register(new Runnable() {
+        @Override
+        public void run() {
+          cleanupStaleReferences();
+        }
+      },project);
+    }
 
     void cleanupStaleReferences() {
       while (true) {

platform/util/src/com/intellij/util/io/CompressedAppendableFile.java

@@ -56,7 +56,7 @@ public class CompressedAppendableFile {
   private static final int myMinAppendBufferLength = 1024;
 
   public static final String INCOMPLETE_CHUNK_LENGTH_FILE_EXTENSION = ".s";
-  @SuppressWarnings("unused") private final LowMemoryWatcher myLowMemoryWatcher;
+  private final LowMemoryWatcher myLowMemoryWatcher;
 
   public CompressedAppendableFile(File file) {
     this(file, PersistentBTreeEnumerator.PAGE_SIZE);
@@ -434,6 +434,7 @@ public class CompressedAppendableFile {
   }
 
   public synchronized void dispose() {
+    myLowMemoryWatcher.stop();
     force();
   }