| /** |
| * 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.hadoop.tools.rumen.anonymization; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.apache.hadoop.tools.rumen.state.State; |
| |
| /** |
| * Represents the list of words used in list-backed anonymizers. |
| */ |
| public class WordList implements State { |
| private Map<String, Integer> list = new HashMap<String, Integer>(0); |
| private boolean isUpdated = false; |
| private String name; |
| |
| public WordList() { |
| this("word"); |
| } |
| |
| public WordList(String name) { |
| this.name = name; |
| } |
| |
| @Override |
| public String getName() { |
| return name; |
| } |
| |
| /** |
| * Adds the specified word to the list if the word is not already added. |
| */ |
| public void add(String word) { |
| if (!contains(word)) { |
| int index = getSize(); |
| list.put(word, index); |
| isUpdated = true; |
| } |
| } |
| |
| /** |
| * Returns 'true' if the list contains the specified word. |
| */ |
| public boolean contains(String word) { |
| return list.containsKey(word); |
| } |
| |
| /** |
| * Returns the index of the specified word in the list. |
| */ |
| public int indexOf(String word) { |
| return list.get(word); |
| } |
| |
| /** |
| * Returns the size of the list. |
| */ |
| public int getSize() { |
| return list.size(); |
| } |
| |
| /** |
| * Returns 'true' if the list is updated since creation (and reload). |
| */ |
| @Override |
| public boolean isUpdated() { |
| return isUpdated; |
| } |
| |
| /** |
| * Setters and getters for Jackson JSON |
| */ |
| /** |
| * Sets the size of the list. |
| * |
| * Note: That this API is only for Jackson JSON deserialization. |
| */ |
| public void setSize(int size) { |
| list = new HashMap<String, Integer>(size); |
| } |
| |
| /** |
| * Note: That this API is only for Jackson JSON deserialization. |
| */ |
| @Override |
| public void setName(String name) { |
| this.name = name; |
| } |
| |
| /** |
| * Gets the words. |
| * |
| * Note: That this API is only for Jackson JSON serialization. |
| */ |
| public Map<String, Integer> getWords() { |
| return list; |
| } |
| |
| /** |
| * Sets the words. |
| * |
| * Note: That this API is only for Jackson JSON deserialization. |
| */ |
| public void setWords(Map<String, Integer> list) { |
| this.list = list; |
| } |
| } |