01: /*
02: * $Id: Function.java,v 1.11 2004/08/27 03:21:21 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;
42:
43: /**
44: * A database function.
45: *
46: * @version $Revision: 1.11 $ $Date: 2004/08/27 03:21:21 $
47: * @author Rodney Waldhoff
48: */
49: public interface Function extends Selectable {
50:
51: /**
52: * Append the given {@link Selectable}to my argument list.
53: */
54: void addArgument(Selectable arg);
55:
56: /**
57: * Returns the Alias name of this function.
58: */
59: String getAlias();
60:
61: /**
62: * Returns the {@link Selectable}at the given index.
63: *
64: * @throws IndexOutOfBoundsException if there is no argument at the given index
65: */
66: Selectable getArgument(int i) throws IndexOutOfBoundsException;
67:
68: /**
69: * Returns the number of arguments in my argument list.
70: */
71: int getArgumentCount();
72:
73: /**
74: * Returns the cannonical name of this function.
75: */
76: String getName();
77:
78: /**
79: * Set the Alias name of this function.
80: */
81: void setAlias(String alias);
82:
83: void setArgument(int i, Selectable arg);
84: }
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