/*
 * Copyright 2000-2016 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.vcs.log.impl;

import com.intellij.concurrency.JobScheduler;
import com.intellij.util.io.storage.HeavyProcessLatch;
import org.jetbrains.annotations.NotNull;

import java.util.concurrent.TimeUnit;

class HeavyAwareExecutor {
  static void executeOutOfHeavyProcessLater(@NotNull Runnable command, int delayMs) {
    HeavyProcessLatch.INSTANCE.executeOutOfHeavyProcess(() -> JobScheduler.getScheduler().schedule(() -> {
      if (HeavyProcessLatch.INSTANCE.isRunning()) {
        executeOutOfHeavyProcessLater(command, delayMs);
      }
      else {
        command.run();
      }
    }, delayMs, TimeUnit.MILLISECONDS));
  }
}
