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1 /* ====================================================================
2 * License:
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in
13 * the documentation and/or other materials provided with the
14 * distribution.
15 *
16 * 3. The end-user documentation included with the redistribution,
17 * if any, must include the following acknowledgment:
18 * "This product includes software developed by
19 * Robert Half International (http://www.rhi.com/)."
20 * Alternately, this acknowledgment may appear in the software itself,
21 * if and wherever such third-party acknowledgments normally appear.
22 *
23 * 4. The names "Parc", "RHI", and "Robert Half International" must
24 * not be used to endorse or promote products derived from this
25 * software without prior written permission. For written
26 * permission, please contact pete.mckinstry@rhi.com.
27 *
28 * 5. Products derived from this software may not be called "PARC",
29 * nor may "PARC" appear in their name, without prior written
30 * permission of Robert Half International.
31 *
32 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
33 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
34 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
35 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
36 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
37 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
38 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
39 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
40 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
41 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
42 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
43 * SUCH DAMAGE.
44 * ====================================================================
45 *
46 */
47 package com.rhi.architecture.parc;
48
49 import java.util.ArrayList;
50 import java.util.Iterator;
51 import java.util.List;
52
53 /***
54 * The RecordSet is a group of Records. It
55 * is an implementation of the composite element of GOF Composite
56 * pattern.
57 *
58 * @author Lakshmi & Anju
59 * @copyright 2002, Robert Half Int'l., Inc. All rights reserved.
60 *
61 * @since 1.0
62 */
63 public class ListRecordSet extends AbstractRecord {
64
65 private List records;
66 private Object source; // Source Record for the record set
67
68 /***
69 * Constructor
70 */
71 public ListRecordSet() {
72 this.records = new ArrayList();
73 }
74
75 /***
76 * Constructor
77 * @param source
78 */
79 public ListRecordSet(Object source) {
80 this.records = new ArrayList();
81 this.source = source;
82 }
83
84 /***
85 * returns the Source Key
86 * @return Object - source key
87 */
88 public Object getSourceKey() {
89 return source;
90 }
91
92 /***
93 * Add a new Record to the set. New Records are appended to the
94 * end of the Collection
95 *
96 * @param r
97 *
98 * @since 1.0
99 */
100 public void add(Record r) {
101 records.add(r);
102 }
103
104 /***
105 * Remove a Record from the set.
106 * @param r
107 * @return boolean
108 *
109 * @since 1.0
110 */
111 public boolean remove(Record r) {
112 return records.remove(r);
113 }
114
115 /***
116 * Return the Iterator of the List
117 * @return Iterator
118 */
119 public Iterator iterator() {
120 return records.iterator();
121 }
122
123 }
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