content: /*
   * 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.activemq.artemis.utils.collections;
  
  /**
   * This interface is meant to encapsulate the usage of {@code HashMap<ListID, LongObjectHashMap<ElementType>>}
   * The implementation should store the node in such way that you can access it through {@link #getNode(String, long)}
   */
  public interface NodeStore<E> {
  
     /**
      * When you store the node, make sure you find what is the ID and ListID for the element you are storing as later one
      * you will need to provide the node based on list and id as specified on {@link #getNode(String, long)}
      */
     void storeNode(E element, LinkedListImpl.Node<E> node);
  
     LinkedListImpl.Node<E> getNode(String listID, long id);
  
     void removeNode(E element, LinkedListImpl.Node<E> node);
  
     default NodeStore<E> setName(String name) {
        return this;
     }
  
     default String getName() {
        return null;
     }
  
     /**
      * This is meant to be a quick help to Garbage Collection. Whenever the IDSupplier list is being cleared, you should
      * first call the clear method and empty every list before you let the instance go.
      */
     void clear();
  
     /**
      * ths should return the sum of all the sizes. for test assertions.
      */
     int size();
  }
  