@@ -0,0 +1,1007 @@
+/*%0A * Copyright 2000-2009 JetBrains s.r.o.%0A *%0A * Licensed under the Apache License, Version 2.0 (the %22License%22);%0A * you may not use this file except in compliance with the License.%0A * You may obtain a copy of the License at%0A *%0A * http://www.apache.org/licenses/LICENSE-2.0%0A *%0A * Unless required by applicable law or agreed to in writing, software%0A * distributed under the License is distributed on an %22AS IS%22 BASIS,%0A * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.%0A * See the License for the specific language governing permissions and%0A * limitations under the License.%0A */%0A%0Apackage com.intellij.openapi.util;%0A%0Aimport org.jetbrains.annotations.NotNull;%0A%0A/**%0A * @author peter%0A */%0Apublic abstract class VolatileNotNullLazyValue%3CT%3E %7B%0A%0A  private volatile T myValue;%0A%0A  @NotNull%0A  protected abstract T compute();%0A%0A  @NotNull%0A  public final T getValue() %7B%0A    T value = myValue;%0A    if (value != null) %7B%0A      return value;%0A    %7D%0A    value = myValue = compute();%0A    return value;%0A  %7D%0A%7D

support multithreaded access to SpringBeanPointer