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A packaging of the IntelliJ Community Edition util library. This is release number 1 of trunk branch 142.

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/*
 * Copyright 2000-2012 JetBrains s.r.o.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.intellij.util;

import com.intellij.openapi.Disposable;
import org.jetbrains.annotations.Nullable;

@SuppressWarnings({"NonPrivateFieldAccessedInSynchronizedContext"})
public class TimedReference extends Timed {
  public TimedReference(@Nullable Disposable parentDisposable) {
    super(parentDisposable);
  }

  @Nullable
  public synchronized T get() {
    myAccessCount++;
    poll();
    return myT;
  }

  public synchronized void set(@Nullable T t) {
    myAccessCount++;
    poll();
    myT = t;
  }

  @SuppressWarnings("MethodOverridesStaticMethodOfSuperclass")
  public static void disposeTimed() {
    Timed.disposeTimed();
  }
}