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Java > Open Source Codes > com > daffodilwoods > daffodildb > server > sql99 > dml > closestatement


1 package com.daffodilwoods.daffodildb.server.sql99.dml;
2
3 import com.daffodilwoods.daffodildb.server.serversystem.*;
4 import com.daffodilwoods.daffodildb.server.sql99.*;
5 import com.daffodilwoods.daffodildb.server.sql99.common.*;
6 import com.daffodilwoods.daffodildb.server.sql99.dml.declarecursor.*;
7 import com.daffodilwoods.daffodildb.server.sql99.token.*;
8 import com.daffodilwoods.daffodildb.server.sql99.utils.*;
9 import com.daffodilwoods.database.resource.*;
10
11 /**
12  * Objective of this clas is to close the cursor and sets the cursor state
13  * to false.
14  * state of the cursor to close.
15  * <p>Title: </p>
16  * <p>Description: </p>
17  * <p>Copyright: Copyright (c) 2003</p>
18  * <p>Company: </p>
19  * @author unascribed
20  * @version 1.0
21  */
22 public class closestatement implements com.daffodilwoods.daffodildb.utils.parser.StatementExecuter, SQLdatastatement, _Executer {
23
24    public cursorname _cursorname0;
25    public SRESERVEDWORD1206543922 _SRESERVEDWORD12065439221;
26
27    _ServerSession currentSession;
28    public Object JavaDoc run(Object JavaDoc object) throws DException {
29       _StatementExecutionContext sec = (_StatementExecutionContext) object;
30       currentSession = sec.getServerSession();
31       String JavaDoc cName = (String JavaDoc) _cursorname0.run(null);
32       _Cursor cursor = (_Cursor) currentSession.getCursor(cName);
33       if (!cursor.getCursorState()) {
34          throw new DException("DSE8040", new Object JavaDoc[] {cName});
35       }
36       return this;
37    }
38
39    public String JavaDoc toString() {
40       StringBuffer JavaDoc clause = new StringBuffer JavaDoc();
41       clause.append(" ");
42       clause.append(_SRESERVEDWORD12065439221.toString());
43       clause.append(" ");
44       clause.append(_cursorname0.toString());
45       return clause.toString().trim();
46    }
47
48    /**
49     * Closes the cursor, throws an exception if cursor is already closed.
50     * @param parm1
51     * @return
52     * @throws DException
53     */
54    public Object JavaDoc execute(_VariableValues parm1) throws DException {
55       _Cursor cursor = (_Cursor) currentSession.getCursor( (String JavaDoc) _cursorname0.
56           run(null));
57       if (!cursor.getCursorState()) {
58          throw new DException("DSE1261", null);
59       }
60       cursor.close();
61       ( (ServerSession) currentSession).removeCursor( (String JavaDoc) _cursorname0.run(null));
62       return "Cursor successfully closed";
63    }
64
65    public Object JavaDoc execute(Object JavaDoc[] parm1) throws DException {
66       /**@todo Implement this com.daffodilwoods.daffodildb.server.sql99._Executer method*/
67       throw new java.lang.UnsupportedOperationException JavaDoc("Method execute() not yet implemented.");
68    }
69
70    public Object JavaDoc[] getParameters(Object JavaDoc parm1) throws DException {
71       return null;
72    }
73
74    public Object JavaDoc executeForFresh(Object JavaDoc[] obj) throws DException {
75       throw new java.lang.UnsupportedOperationException JavaDoc("Method executeForFresh not yet implemented.");
76    }
77
78    public _Reference[] checkSemantic(_ServerSession serverSession) throws DException {
79       return _cursorname0.getReferences(new TableDetails[0]);
80    }
81
82    public _Reference[] getReferences() throws DException {
83       return null;
84    }
85
86    public Object JavaDoc clone() throws CloneNotSupportedException JavaDoc {
87       return this;
88    }
89 }
90
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