_UserTableOperations


1   package com.daffodilwoods.daffodildb.server.datasystem.interfaces;
2   
3   import com.daffodilwoods.daffodildb.server.datasystem.interfaces._DatabaseUser;
4   import com.daffodilwoods.database.resource.DException;
5   
6   /**
7    * <p>Title: _UserTableOperations</p>
8   * <p>Description: Is an interface that provides the insert,update and delete
9    * methods for a particular user
10   *
11   * Interface provided by _Iterator. Update and delete will be done the current
12   * row of the iterator
13   */
14  public interface _UserTableOperations {
15  
16    /**
17     * Used to insert a record in the table for a user.
18     * @param user User who is performing the insert.
19     * @param value array of values to be inserted as a record in the table.
20     * @throws DException
21     */
22     void insert(_DatabaseUser user, Object   value) throws DException;
23  
24     /**
25      * Used to update a record in the table
26      * @param user User who is performing the update
27      * @param value array of values with which the record is to be updated.
28      * @throws DException
29      */
30     void update(_DatabaseUser user,Object   value) throws DException;
31  
32     /**
33      * Used to update a record in the table
34      * @param user User who is performing the update.
35      * @param columns array of columns whose values are to be updated
36      * @param value array of values with which therecord is to be updated
37      * @throws DException
38      */
39     void update(_DatabaseUser user,int[] columns,Object  [] value) throws DException;
40  
41     /**
42      * Used to delete a record from the table
43      * @param user User who is performing delete operation
44      * @throws DException
45      */
46     void delete(_DatabaseUser user) throws DException;
47  }
48

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