sonews-drupal: org/sonews/storage/Storage.java@146b3275b792

     1 /*

     2  *   SONEWS News Server

     3  *   see AUTHORS for the list of contributors

     4  *

     5  *   This program is free software: you can redistribute it and/or modify

     6  *   it under the terms of the GNU General Public License as published by

     7  *   the Free Software Foundation, either version 3 of the License, or

     8  *   (at your option) any later version.

     9  *

    10  *   This program is distributed in the hope that it will be useful,

    11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of

    12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    13  *   GNU General Public License for more details.

    14  *

    15  *   You should have received a copy of the GNU General Public License

    16  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.

    17  */

    19 package org.sonews.storage;

    21 import java.util.List;

    22 import org.sonews.feed.Subscription;

    23 import org.sonews.util.Pair;

    25 /**

    26  * A generic storage backend interface.

    27  * @author Christian Lins

    28  * @since sonews/1.0

    29  */

    30 public interface Storage

    31 {

    33   /**

    34    * Stores the given Article in the storage.

    35    * @param art

    36    * @throws StorageBackendException

    37    */

    38   void addArticle(Article art)

    39     throws StorageBackendException;

    41   void addEvent(long timestamp, int type, long groupID)

    42     throws StorageBackendException;

    44   void addGroup(String groupname, int flags)

    45     throws StorageBackendException;

    47   int countArticles()

    48     throws StorageBackendException;

    50   int countGroups()

    51     throws StorageBackendException;

    53   void delete(String messageID)

    54     throws StorageBackendException;

    56   Article getArticle(String messageID)

    57     throws StorageBackendException;

    59   Article getArticle(long articleIndex, long groupID)

    60     throws StorageBackendException;

    62   List<Pair<Long, ArticleHead>> getArticleHeads(Group group, long first, long last)

    63     throws StorageBackendException;

    65   List<Pair<Long, String>> getArticleHeaders(Channel channel, long start, long end,

    66     String header, String pattern)

    67     throws StorageBackendException;

    69   long getArticleIndex(Article art, Group group)

    70     throws StorageBackendException;

    72   List<Long> getArticleNumbers(long groupID)

    73     throws StorageBackendException;

    75   String getConfigValue(String key)

    76     throws StorageBackendException;

    78   int getEventsCount(int eventType, long startTimestamp, long endTimestamp,

    79     Channel channel)

    80     throws StorageBackendException;

    82   double getEventsPerHour(int key, long gid)

    83     throws StorageBackendException;

    85   int getFirstArticleNumber(Group group)

    86     throws StorageBackendException;

    88   Group getGroup(String name)

    89     throws StorageBackendException;

    91   List<Channel> getGroups()

    92     throws StorageBackendException;

    94   /**

    95    * Retrieves the collection of groupnames that are associated with the

    96    * given list address.

    97    * @param inetaddress

    98    * @return

    99    * @throws StorageBackendException

   100    */

   101   List<String> getGroupsForList(String listAddress)

   102     throws StorageBackendException;

   104   int getLastArticleNumber(Group group)

   105     throws StorageBackendException;

   107   /**

   108    * Returns a list of email addresses that are related to the given

   109    * groupname. In most cases the list may contain only one entry.

   110    * @param groupname

   111    * @return

   112    * @throws StorageBackendException

   113    */

   114   List<String> getListsForGroup(String groupname)

   115     throws StorageBackendException;

   117   String getOldestArticle()

   118     throws StorageBackendException;

   120   int getPostingsCount(String groupname)

   121     throws StorageBackendException;

   123   List<Subscription> getSubscriptions(int type)

   124     throws StorageBackendException;

   126   boolean isArticleExisting(String messageID)

   127     throws StorageBackendException;

   129   boolean isGroupExisting(String groupname)

   130     throws StorageBackendException;

   132   void purgeGroup(Group group)

   133     throws StorageBackendException;

   135   void setConfigValue(String key, String value)

   136     throws StorageBackendException;

   138   /**

   139    * Updates headers and channel references of the given article.

   140    * @param article

   141    * @return

   142    * @throws StorageBackendException

   143    */

   144   boolean update(Article article)

   145     throws StorageBackendException;

   147   boolean update(Group group)

   148     throws StorageBackendException;

   150 }

author	cli
	Sun May 09 12:38:46 2010 +0200 (2010-05-09)
changeset 30	146b3275b792
parent 14	efce4ec25564
permissions	-rw-r--r--