InternalTaskQueues.java

/*
 * Copyright 2017 Netflix, Inc.
 *
 * 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.netflix.fenzo.queues;

import com.netflix.fenzo.queues.tiered.TieredQueue;

public class InternalTaskQueues {

    public static InternalTaskQueue createQueueOf(TaskQueue queue) {
        if (queue instanceof TieredQueue) {
            return new TieredQueue(((TieredQueue)queue).getNumTiers());
        }
        throw new IllegalArgumentException("Unknown queue implementation: " + queue.getClass().getName());
    }
}