FrontBaseCharType


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19  
20  package org.apache.cayenne.dba.frontbase;
21  
22  import java.sql.Clob  ;
23  import java.sql.PreparedStatement  ;
24  import java.sql.Types  ;
25  
26  import org.apache.cayenne.access.types.CharType;
27  import org.apache.cayenne.util.MemoryClob;
28  
29  /**
30   * A char type that uses a real clob for insertion.
31   * 
32   * @since 1.2
33   * @author Andrus Adamchik
34   */
35  // actually this is the way CLOBs must be handled by default, but there are still some
36  // issues with other adapters, so we can't move this to a superclass yet.
37  class FrontBaseCharType extends CharType {
38  
39      FrontBaseCharType() {
40          super(false, true);
41      }
42  
43      public void setJdbcObject(
44              PreparedStatement   st,
45              Object   val,
46              int pos,
47              int type,
48              int precision) throws Exception   {
49  
50          if (type == Types.CLOB) {
51              st.setClob(pos, writeClob((String  ) val));
52          }
53          else {
54              super.setJdbcObject(st, val, pos, type, precision);
55          }
56      }
57  
58      Clob   writeClob(String   string) {
59          return string != null ? new MemoryClob(string) : null;
60      }
61  }
62
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