Corporations


1   /*
2    * Copyright 2005 Joe Walker
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *     http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package org.getahead.dwrdemo.gidemo;
17  
18  import java.util.ArrayList  ;
19  import java.util.List  ;
20  import java.util.Random  ;
21  
22  /**
23   * A manager for a set of corporations
24   * @author Joe Walker [joe at getahead dot ltd dot uk]
25   */
26  public class Corporations
27  {
28      /**
29       * Create a set of random corporations
30       */
31      public Corporations()
32      {
33          corporations.add(new Corporation("AAPL", "Apple"));
34          corporations.add(new Corporation("AMZN", "Amazon"));
35          corporations.add(new Corporation("EBAY", "EBay"));
36          corporations.add(new Corporation("GOOG", "Google"));
37          corporations.add(new Corporation("IBM",  "IBM"));
38          corporations.add(new Corporation("MSFT", "Microsoft"));
39          corporations.add(new Corporation("TIBX", "TIBCO"));
40          corporations.add(new Corporation("YHOO", "Yahoo"));
41      }
42  
43      /**
44       * @return
45       */
46      public Corporation getNextChangedCorporation()
47      {
48          // Who's is gonna be
49          Corporation corporation = (Corporation) corporations.get(random.nextInt(corporations.size()));
50          corporation.change();
51  
52          return corporation;
53      }
54  
55      /**
56       * Used to generate random data
57       */
58      private Random   random = new Random  ();
59  
60      /**
61       * The corporations that we manage
62       */
63      private List   corporations = new ArrayList  ();
64  }
65
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