chris@3: /* chris@3: * SONEWS News Server chris@3: * see AUTHORS for the list of contributors chris@3: * chris@3: * This program is free software: you can redistribute it and/or modify chris@3: * it under the terms of the GNU General Public License as published by chris@3: * the Free Software Foundation, either version 3 of the License, or chris@3: * (at your option) any later version. chris@3: * chris@3: * This program is distributed in the hope that it will be useful, chris@3: * but WITHOUT ANY WARRANTY; without even the implied warranty of chris@3: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the chris@3: * GNU General Public License for more details. chris@3: * chris@3: * You should have received a copy of the GNU General Public License chris@3: * along with this program. If not, see . chris@3: */ chris@3: chris@3: package org.sonews.storage; chris@3: chris@3: import java.sql.SQLException; chris@3: import java.util.List; chris@3: import org.sonews.util.Log; chris@3: import org.sonews.util.Pair; chris@3: chris@3: /** chris@3: * Represents a logical Group within this newsserver. chris@3: * @author Christian Lins chris@3: * @since sonews/0.5.0 chris@3: */ chris@3: // TODO: This class should not be public! chris@3: public class Group extends Channel chris@3: { chris@3: chris@3: private long id = 0; chris@3: private int flags = -1; chris@3: private String name = null; chris@3: chris@3: /** chris@3: * Returns a Group identified by its full name. chris@3: * @param name chris@3: * @return chris@3: */ chris@3: public static Group getByName(final String name) chris@3: { chris@3: try chris@3: { chris@3: return StorageManager.current().getGroup(name); chris@3: } chris@3: catch(StorageBackendException ex) chris@3: { chris@3: ex.printStackTrace(); chris@3: return null; chris@3: } chris@3: } chris@3: chris@3: /** chris@3: * @return List of all groups this server handles. chris@3: */ chris@3: public static List getAll() chris@3: { chris@3: try chris@3: { chris@3: return StorageManager.current().getGroups(); chris@3: } chris@3: catch(StorageBackendException ex) chris@3: { chris@3: Log.msg(ex.getMessage(), false); chris@3: return null; chris@3: } chris@3: } chris@3: chris@3: /** chris@3: * @param name chris@3: * @param id chris@3: */ chris@3: public Group(final String name, final long id, final int flags) chris@3: { chris@3: this.id = id; chris@3: this.flags = flags; chris@3: this.name = name; chris@3: } chris@3: chris@3: @Override chris@3: public boolean equals(Object obj) chris@3: { chris@3: if(obj instanceof Group) chris@3: { chris@3: return ((Group)obj).id == this.id; chris@3: } chris@3: else chris@3: { chris@3: return false; chris@3: } chris@3: } chris@3: chris@3: public Article getArticle(long idx) chris@3: throws StorageBackendException chris@3: { chris@3: return StorageManager.current().getArticle(idx, this.id); chris@3: } chris@3: chris@3: public List> getArticleHeads(final long first, final long last) chris@3: throws StorageBackendException chris@3: { chris@3: return StorageManager.current().getArticleHeads(this, first, last); chris@3: } chris@3: chris@3: public List getArticleNumbers() chris@3: throws StorageBackendException chris@3: { chris@3: return StorageManager.current().getArticleNumbers(id); chris@3: } chris@3: chris@3: public long getFirstArticleNumber() chris@3: throws StorageBackendException chris@3: { chris@3: return StorageManager.current().getFirstArticleNumber(this); chris@3: } chris@3: chris@3: public int getFlags() chris@3: { chris@3: return this.flags; chris@3: } chris@3: chris@3: public long getIndexOf(Article art) chris@3: throws StorageBackendException chris@3: { chris@3: return StorageManager.current().getArticleIndex(art, this); chris@3: } chris@3: chris@3: /** chris@3: * Returns the group id. chris@3: */ chris@3: public long getInternalID() chris@3: { chris@3: assert id > 0; chris@3: chris@3: return id; chris@3: } chris@3: chris@3: public boolean isDeleted() chris@3: { chris@3: return (this.flags & DELETED) != 0; chris@3: } chris@3: chris@3: public boolean isMailingList() chris@3: { chris@3: return (this.flags & MAILINGLIST) != 0; chris@3: } chris@3: chris@3: public boolean isWriteable() chris@3: { chris@3: return true; chris@3: } chris@3: chris@3: public long getLastArticleNumber() chris@3: throws StorageBackendException chris@3: { chris@3: return StorageManager.current().getLastArticleNumber(this); chris@3: } chris@3: chris@3: public String getName() chris@3: { chris@3: return name; chris@3: } chris@3: chris@3: /** chris@3: * Performs this.flags |= flag to set a specified flag and updates the data chris@3: * in the JDBCDatabase. chris@3: * @param flag chris@3: */ chris@3: public void setFlag(final int flag) chris@3: { chris@3: this.flags |= flag; chris@3: } chris@3: chris@3: public void setName(final String name) chris@3: { chris@3: this.name = name; chris@3: } chris@3: chris@3: /** chris@3: * @return Number of posted articles in this group. chris@3: * @throws java.sql.SQLException chris@3: */ chris@3: public long getPostingsCount() chris@3: throws StorageBackendException chris@3: { chris@3: return StorageManager.current().getPostingsCount(this.name); chris@3: } chris@3: chris@3: /** chris@3: * Updates flags and name in the backend. chris@3: */ chris@3: public void update() chris@3: throws StorageBackendException chris@3: { chris@3: StorageManager.current().update(this); chris@3: } chris@3: chris@3: }