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 io.jafka.utils;
  
  import java.util.Collection;
  import java.util.Map;
  import java.util.Set;
  import java.util.concurrent.ConcurrentMap;
  import java.util.concurrent.ConcurrentSkipListMap;
  
  /**
   * @author adyliu (imxylz@gmail.com)
   * @since 1.0
   */
  public class Pool<K extends Comparable<K>, V> implements Map<K, V> {
  
      private final ConcurrentMap<K, V> pool = new ConcurrentSkipListMap<K, V>();
  
      public int size() {
          return pool.size();
      }
  
      public boolean isEmpty() {
          return pool.isEmpty();
      }
  
      public boolean containsKey(Object key) {
          return pool.containsKey(key);
      }
  
      public boolean containsValue(Object value) {
          return pool.containsValue(value);
      }
  
      public V get(Object key) {
          return pool.get(key);
      }
  
      public V put(K key, V value) {
          return pool.put(key, value);
      }
  
      public V putIfNotExists(K key,V value) {
          return pool.putIfAbsent(key, value);
      }
      public V remove(Object key) {
          return pool.remove(key);
      }
  
      public void putAll(Map<? extends K, ? extends V> m) {
          pool.putAll(m);
      }
  
      public void clear() {
          pool.clear();
      }
  
      public Set<K> keySet() {
          return pool.keySet();
      }
  
      public Collection<V> values() {
          return pool.values();
      }
  
  
      public Set<java.util.Map.Entry<K, V>> entrySet() {
          return pool.entrySet();
      }
      
      @Override
      public String toString() {
          return pool.toString();
      }
  
  }
  