platform/core-api/src/com/intellij/openapi/util/CompositeModificationTracker.java


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/*
 * Copyright 2000-2014 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.openapi.util;

import org.jetbrains.annotations.NotNull;

public class CompositeModificationTracker extends SimpleModificationTracker {
  @NotNull private final ModificationTracker myAdditionalTracker;

  public CompositeModificationTracker(@NotNull ModificationTracker tracker) {
    myAdditionalTracker = tracker;
  }

  @Override
  public long getModificationCount() {
    return super.getModificationCount() + myAdditionalTracker.getModificationCount();
  }
}