sonews-drupal: org/sonews/storage/Group.java@087ef6fe6a1a

     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.sql.SQLException;

    22 import java.util.List;

    23 import org.sonews.util.Log;

    24 import org.sonews.util.Pair;

    26 /**

    27  * Represents a logical Group within this newsserver.

    28  * @author Christian Lins

    29  * @since sonews/0.5.0

    30  */

    31 // TODO: This class should not be public!

    32 public class Group extends Channel

    33 {

    35   private long   id     = 0;

    36   private int    flags  = -1;

    37   private String name   = null;

    39   /**

    40    * @return List of all groups this server handles.

    41    */

    42   public static List<Channel> getAll()

    43   {

    44     try

    45     {

    46       return StorageManager.current().getGroups();

    47     }

    48     catch(StorageBackendException ex)

    49     {

    50       Log.get().severe(ex.getMessage());

    51       return null;

    52     }

    53   }

    55   /**

    56    * @param name

    57    * @param id

    58    */

    59   public Group(final String name, final long id, final int flags)

    60   {

    61     this.id    = id;

    62     this.flags = flags;

    63     this.name  = name;

    64   }

    66   @Override

    67   public boolean equals(Object obj)

    68   {

    69     if(obj instanceof Group)

    70     {

    71       return ((Group)obj).id == this.id;

    72     }

    73     else

    74     {

    75       return false;

    76     }

    77   }

    79   public Article getArticle(long idx)

    80     throws StorageBackendException

    81   {

    82     return StorageManager.current().getArticle(idx, this.id);

    83   }

    85   public List<Pair<Long, ArticleHead>> getArticleHeads(final long first, final long last)

    86     throws StorageBackendException

    87   {

    88     return StorageManager.current().getArticleHeads(this, first, last);

    89   }

    91   public List<Long> getArticleNumbers()

    92     throws StorageBackendException

    93   {

    94     return StorageManager.current().getArticleNumbers(id);

    95   }

    97   public long getFirstArticleNumber()

    98     throws StorageBackendException

    99   {

   100     return StorageManager.current().getFirstArticleNumber(this);

   101   }

   103   public int getFlags()

   104   {

   105     return this.flags;

   106   }

   108   public long getIndexOf(Article art)

   109     throws StorageBackendException

   110   {

   111     return StorageManager.current().getArticleIndex(art, this);

   112   }

   114   /**

   115    * Returns the group id.

   116    */

   117   public long getInternalID()

   118   {

   119     assert id > 0;

   121     return id;

   122   }

   124   public boolean isDeleted()

   125   {

   126     return (this.flags & DELETED) != 0;

   127   }

   129   public boolean isMailingList()

   130   {

   131     return (this.flags & MAILINGLIST) != 0;

   132   }

   134   public boolean isWriteable()

   135   {

   136     return true;

   137   }

   139   public long getLastArticleNumber()

   140     throws StorageBackendException

   141   {

   142     return StorageManager.current().getLastArticleNumber(this);

   143   }

   145   public String getName()

   146   {

   147     return name;

   148   }

   150   /**

   151    * Performs this.flags |= flag to set a specified flag and updates the data

   152    * in the JDBCDatabase.

   153    * @param flag

   154    */

   155   public void setFlag(final int flag)

   156   {

   157     this.flags |= flag;

   158   }

   160   public void setName(final String name)

   161   {

   162     this.name = name;

   163   }

   165   /**

   166    * @return Number of posted articles in this group.

   167    * @throws java.sql.SQLException

   168    */

   169   public long getPostingsCount()

   170     throws StorageBackendException

   171   {

   172     return StorageManager.current().getPostingsCount(this.name);

   173   }

   175   /**

   176    * Updates flags and name in the backend.

   177    */

   178   public void update()

   179     throws StorageBackendException

   180   {

   181     StorageManager.current().update(this);

   182   }

   184 }

author	cli
	Wed, 12 May 2010 11:18:02 +0200
changeset 31	087ef6fe6a1a
parent 16	5a4a41cfc0a3
permissions	-rw-r--r--