Clover Coverage Report
Coverage timestamp: Sun Mar 23 2008 08:24:39 GMT
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  Argument       Line # 47 0 1 - -1.0
 
No Tests
 
1    /*
2    * Copyright (c) 2000-2005, University of Salford
3    * All rights reserved.
4    *
5    * Redistribution and use in source and binary forms, with or without
6    * modification, are permitted provided that the following conditions are met:
7    *
8    * Redistributions of source code must retain the above copyright notice, this
9    * list of conditions and the following disclaimer.
10    *
11    * Redistributions in binary form must reproduce the above copyright notice,
12    * this list of conditions and the following disclaimer in the documentation
13    * and/or other materials provided with the distribution.
14    *
15    * Neither the name of the University of Salford nor the names of its
16    * contributors may be used to endorse or promote products derived from this
17    * software without specific prior written permission.
18    *
19    * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
20    * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21    * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22    * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
23    * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24    * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25    * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26    * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27    * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28    * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29    * POSSIBILITY OF SUCH DAMAGE.
30    */
31   
32    package issrg.pba.rbac;
33   
34    /**
35    * This interface is the abstract argument to an Action. It knows its type and
36    * its value. However, there is still some confusion about how the value should
37    * be returned and this may be updated in later versions.
38    *
39    * <p>The Argument is deployed in IF-statements only.
40    *
41    * @author E Ball
42    * @author D W Chadwick
43    * @author A Otenko
44    * @version 0.2
45    */
46   
 
47    public interface Argument {
48   
49    /**
50    * This method gets the type of the argument.
51    *
52    * @return the string name of the argument type
53    */
54    public abstract String getType();
55   
56    /**
57    * This method gets the string encoding of the value of the argument.
58    * This may be needed for output purposes only.
59    * It is suggested to better override <code>equals</code> method of
60    * <code>java.lang.Object</code> to make comparisons more efficient.
61    *
62    * @return the string representation of the value; the encoding must
63    * correspond to that which would be used in XML
64    */
65    public abstract String getValue();
66    }