1 /* 2 * Copyright (c) 2002-2014, Mairie de Paris 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright notice 10 * and the following disclaimer. 11 * 12 * 2. Redistributions in binary form must reproduce the above copyright notice 13 * and the following disclaimer in the documentation and/or other materials 14 * provided with the distribution. 15 * 16 * 3. Neither the name of 'Mairie de Paris' nor 'Lutece' nor the names of its 17 * contributors may be used to endorse or promote products derived from 18 * this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 21 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE 24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 * 32 * License 1.0 33 */ 34 package fr.paris.lutece.portal.business.prefs; 35 36 import java.util.List; 37 38 39 /** 40 * Preferences DAO interface 41 */ 42 public interface IPreferencesDAO 43 { 44 /** 45 * Get a preference for a given user 46 * @param strUserId The user's ID 47 * @param strKey The preference's key 48 * @param strDefault The default value 49 * @return The preference's value 50 */ 51 String load( String strUserId, String strKey, String strDefault ); 52 53 /** 54 * Get the list of user id associated with the given key and value 55 * @param strKey The preference's key 56 * @param strValue The preference's value 57 * @return The list of user id associated with the given key and value. If 58 * there is no user id associated with the parameters, then an empty 59 * list is returned 60 */ 61 List<String> getUserId( String strKey, String strValue ); 62 63 /** 64 * Store a preference for a given user 65 * @param strUserId The user's ID 66 * @param strKey The preference's key 67 * @param strValue The value 68 */ 69 void store( String strUserId, String strKey, String strValue ); 70 71 /** 72 * Get all preference keys for a given user 73 * @param strUserId The user's ID 74 * @return The keys 75 */ 76 List<String> keys( String strUserId ); 77 78 /** 79 * Clear all preferences for a given user 80 * @param strUserId The user's ID 81 */ 82 void remove( String strUserId ); 83 84 /** 85 * Clear all preferences for a given user 86 * @param strUserId The user's ID 87 * @param strKey The preference's key 88 */ 89 void removeKey( String strUserId, String strKey ); 90 91 /** 92 * Clear all preferences for a given user 93 * @param strUserId The user's ID 94 * @param strKeyPrefix The key prefix 95 */ 96 void removeKeyPrefix( String strUserId, String strKeyPrefix ); 97 98 /** 99 * Cheks if a preference key exists 100 * @param strUserId The User ID 101 * @param strKey The Pref key 102 * @return 1 if exists otherwise false 103 */ 104 boolean existsKey( String strUserId, String strKey ); 105 106 /** 107 * Checks if a value is already used for a preference given key 108 * @param strKey The Pref key 109 * @param strValue The Pref value 110 * @return 1 if exists otherwise false 111 */ 112 boolean existsValueForKey( String strKey,String strValue ); 113 114 115 }