1 /*
2 * Copyright (c) 2004, RV Test Team
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 "RV Test Team" nor the names of its contributors may
16 * be used to endorse or promote products derived from this software without
17 * 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
29 * THE POSSIBILITY OF SUCH DAMAGE.
30 *
31 */
32 /*
33 * Copyright (c) 2002, Reuters
34 * All rights reserved.
35 *
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions are met:
38 *
39 * Redistributions of source code must retain the above copyright notice, this
40 * list of conditions and the following disclaimer.
41 * Redistributions in binary form must reproduce the above copyright notice,
42 * this list of conditions and the following disclaimer in the documentation
43 * and/or other materials provided with the distribution.
44 * Neither the name of the Reuters nor the names of its contributors may be
45 * used to endorse or promote products derived from this software without
46 * specific prior written permission.
47 *
48 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
49 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
50 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
51 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
52 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
53 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
54 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
55 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
56 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
57 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
58 * THE POSSIBILITY OF SUCH DAMAGE.
59 *
60 */
61 package com.reuters.msgtest.load.value;
62
63 import com.reuters.msgtest.load.LoadTest;
64 import java.util.ArrayList;
65 import java.util.StringTokenizer;
66
67
68 /***
69 * Selects values from a given delimlist based on a
70 * selection criteria (sequential, random, etc). This
71 * implementation is for a "," delimeted strings.
72 * TODO: generalize this.
73 *
74 * @author Cavit Aydin
75 * @version @VSS_FLAG_VERSION@
76 */
77 public class DelimListValueGenerator implements ValueGenerator {
78 private ArrayList values = new ArrayList();
79 private int currentIndex = 0;
80 private String currentValue;
81 private String selectionCriteria = ValueGenerator.SEQUENTIAL;
82
83 /***
84 * Construct a DelimListValueGenerator from a Valueset.
85 *
86 * @param pValueSet the valueset object constructed from the
87 * xml config file.
88 */
89 public DelimListValueGenerator(ValueSet pValueSet) {
90 this(pValueSet.getValues(), pValueSet.getSelection());
91 }
92
93 /***
94 * Construct a DelimListValueGenerator from a delimeted
95 * string and a criteria.
96 *
97 * @param pDelimList the comma delimeted string
98 * @param pSelection the selection criteria
99 */
100 public DelimListValueGenerator(String pDelimList, String pSelection) {
101 StringTokenizer st = new StringTokenizer(pDelimList, ",");
102
103 while (st.hasMoreTokens()) {
104 values.add(st.nextToken());
105 }
106
107 selectionCriteria = pSelection;
108 currentValue = (String) values.get(0);
109 }
110
111 /***
112 * @see ValueGenerator#getCurrentValue
113 */
114 public String getCurrentValue() {
115 return currentValue;
116 }
117
118 /***
119 * @see ValueGenerator#getCurrentValue
120 */
121 public String getCurrentValue(String pSubstr) {
122 return currentValue;
123 }
124
125 /***
126 * @see ValueGenerator#changeValue
127 */
128 public boolean changeValue() {
129 if (selectionCriteria.equals(ValueGenerator.RANDOM)) {
130 int randomIndex = LoadTest.RANDOM.nextInt(values.size());
131 currentValue = values.get(randomIndex).toString();
132 } else {
133 // sequential
134 boolean endLoop = (currentIndex == (values.size() - 1));
135
136 currentIndex = ++currentIndex % values.size();
137 currentValue = values.get(currentIndex).toString();
138
139 return endLoop;
140 }
141
142 return false;
143 }
144 }