_DatedFramework


1   package com.daffodilwoods.daffodildb.server.sql99.dql.execution;
2   
3   import com.daffodilwoods.daffodildb.server.sql99.common.*;
4   import com.daffodilwoods.daffodildb.server.sql99.expression.booleanvalueexpression.*;
5   import com.daffodilwoods.daffodildb.server.sql99.expression.datetimevalueexpression.*;
6   import com.daffodilwoods.database.resource.*;
7   
8   /**
9    * _DatedFramework represents the dated condition for a single table. Dated
10   * condition is "from > first and to < second" where 'from' and 'to' are the
11   * columns of the table. first and second represents the first date time
12   * value expression and second date time value expression resp.
13   * <p>Title: </p>
14   * <p>Description: </p>
15   * <p>Copyright: Copyright (c) 2003</p>
16   * <p>Company: </p>
17   * @author unascribed
18   * @version 1.0
19   */
20  
21  public interface _DatedFramework extends Cloneable  {
22  
23     /**
24      * This method is required to identify the table to which this dated framework
25      * belongs to.
26      * @return TableDetails of the dated condition.
27      * @throws DException
28      */
29  
30      public TableDetails getTableDetails() throws DException;
31  
32      /**
33       * This is required to get the dated condition.
34       * @return dated condition represented by this dated framework.
35       * @throws DException
36       */
37  
38      public booleanvalueexpression getDatedCondition() throws DException;
39  
40      /**
41       * This is required in checking of data modification when it is done through
42       * the result set taken on the Select query in which this dated condition is
43       * present.
44       * @return datetimevalueexpression
45       * @throws DException
46       */
47  
48      public datetimevalueexpression getDateTimeValueExpressionForInsertionDeletion() throws DException ;
49  
50      /**
51       * This is required when clone of whole query is needed.
52       * @return copy or clone of the dated framework
53       * @throws CloneNotSupportedException
54       */
55  
56      public Object   clone() throws CloneNotSupportedException  ;
57  }
58
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