/*
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * 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.facebook.thrift.util.resources;

import java.util.concurrent.LinkedBlockingQueue;

public class ThreadPoolSchedulerQueue extends LinkedBlockingQueue<Runnable> {
  private final int minPendingTasksBeforeNewThread;

  public ThreadPoolSchedulerQueue(int minPendingTasksBeforeNewThread) {
    this.minPendingTasksBeforeNewThread = minPendingTasksBeforeNewThread;
  }

  @Override
  public boolean offer(Runnable r) {
    if (size() > minPendingTasksBeforeNewThread) {
      return false;
    } else {
      return super.offer(r);
    }
  }
}
