| /* |
| * 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.nutch.fetcher; |
| |
| import java.util.Map; |
| import java.util.concurrent.ConcurrentHashMap; |
| |
| public class FetchNodeDb { |
| |
| private Map<Integer, FetchNode> fetchNodeDbMap; |
| private int index; |
| private static FetchNodeDb fetchNodeDbInstance = null; |
| |
| public FetchNodeDb(){ |
| fetchNodeDbMap = new ConcurrentHashMap<>(); |
| index = 1; |
| } |
| |
| public static FetchNodeDb getInstance(){ |
| |
| if(fetchNodeDbInstance == null){ |
| fetchNodeDbInstance = new FetchNodeDb(); |
| } |
| return fetchNodeDbInstance; |
| } |
| |
| public void put(String url, FetchNode fetchNode){ |
| System.out.println("FetchNodeDb : putting node - " + fetchNode.hashCode()); |
| fetchNodeDbMap.put(index++, fetchNode); |
| } |
| public Map<Integer, FetchNode> getFetchNodeDb(){ |
| return fetchNodeDbMap; |
| } |
| } |