/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 org.apache.nifi.controller.repository;

import java.util.Collection;

import org.apache.nifi.controller.queue.FlowFileQueue;

/**
 * Provides a collection of <code>FlowFileQueue</code>s that represents all
 * queues in the current flow
 */
public interface QueueProvider {

    /**
     * @return all <code>FlowFileQueue</code>s that currently exist in the flow
     */
    Collection<FlowFileQueue> getAllQueues();
}