com.ifengxue.http.collection.MultiMap Maven / Gradle / Ivy

/*
 * Copyright 2019 https://www.ifengxue.com
 *
 * 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.ifengxue.http.collection;

import java.util.Map;


/**
 * multi map
 */
public interface MultiMap extends Map {

  /**
   * 查看指定key对应值的长度。
   * 支持的元素数据类型有
   *   Collection
   *   Array
   * 
   */
  int size(K key);
}