01: /*
02: * $Id: CreateCommand.java,v 1.3 2005/12/20 18:32:28 ahimanikya Exp $
03: * =======================================================================
04: * Copyright (c) 2002-2004 Axion Development Team. All rights reserved.
05: *
06: * Redistribution and use in source and binary forms, with or without
07: * modification, are permitted provided that the following conditions
08: * are met:
09: *
10: * 1. Redistributions of source code must retain the above
11: * copyright notice, this list of conditions and the following
12: * disclaimer.
13: *
14: * 2. Redistributions in binary form must reproduce the above copyright
15: * notice, this list of conditions and the following disclaimer in
16: * the documentation and/or other materials provided with the
17: * distribution.
18: *
19: * 3. The names "Tigris", "Axion", nor the names of its contributors may
20: * not be used to endorse or promote products derived from this
21: * software without specific prior written permission.
22: *
23: * 4. Products derived from this software may not be called "Axion", nor
24: * may "Tigris" or "Axion" appear in their names without specific prior
25: * written permission.
26: *
27: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
28: * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
29: * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
30: * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
31: * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
32: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
33: * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
34: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
35: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
36: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
37: * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
38: * =======================================================================
39: */
40:
41: package org.axiondb.engine.commands;
42:
43: import org.axiondb.AxionException;
44: import org.axiondb.Database;
45: import org.axiondb.jdbc.AxionResultSet;
46:
47: /**
48: * Abstract base for commands like <code>CREATE TABLE</code> and
49: * <code>CREATE SEQUENCE</code>.
50: *
51: * @version $Revision: 1.3 $ $Date: 2005/12/20 18:32:28 $
52: * @author Rodney Waldhoff
53: */
54: public abstract class CreateCommand extends BaseAxionCommand {
55: public CreateCommand() {
56: }
57:
58: public void setIfNotExists(boolean flag) {
59: _ifNotExists = flag;
60: }
61:
62: public boolean isIfNotExists() {
63: return _ifNotExists;
64: }
65:
66: public String getObjectName() {
67: return _objectName;
68: }
69:
70: public void setObjectName(String name) {
71: _objectName = name;
72: }
73:
74: public abstract boolean execute(Database db) throws AxionException;
75:
76: /** Unsupported */
77: public AxionResultSet executeQuery(Database database)
78: throws AxionException {
79: throw new UnsupportedOperationException("Use execute.");
80: }
81:
82: public int executeUpdate(Database database) throws AxionException {
83: execute(database);
84: return 0;
85: }
86:
87: private boolean _ifNotExists = false;
88: private String _objectName;
89: }
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