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Java > Open Source Codes > org > jacorb > trading > db > pse > offers > Offer


1
2 // Copyright (C) 1998-1999
3 // Object Oriented Concepts, Inc.
4
5 // **********************************************************************
6 //
7 // Copyright (c) 1997
8 // Mark Spruiell (mark@intellisoft.com)
9 //
10 // See the COPYING file for more information
11 //
12 // **********************************************************************
13
14 package org.jacorb.trading.db.pse.offers;
15
16
17 import java.util.*;
18 import COM.odi.*;
19 import COM.odi.util.*;
20 import org.omg.CosTrading.RegisterPackage.*;
21 import org.omg.CosTrading.Property;
22 import jtport.ORBLayer;
23
24
25 public class Offer
26 {
27   private String JavaDoc m_id;
28   private String JavaDoc m_object;
29   private OSVector m_props;
30   private transient OfferInfo m_description;
31
32
33   private Offer()
34   {
35   }
36
37
38   public Offer(String JavaDoc id, org.omg.CORBA.Object JavaDoc obj, Property[] props)
39   {
40     m_id = id;
41     m_object = ORBLayer.instance().getORB().object_to_string(obj);
42     setProperties(props);
43     m_description = null;
44   }
45
46
47   public OfferInfo describe()
48   {
49     OfferInfo result = null;
50
51     if (m_description == null) {
52       result = new OfferInfo();
53       result.reference =
54         ORBLayer.instance().getORB().string_to_object(m_object);
55       result.properties = new Property[m_props.size()];
56       int count = 0;
57       Enumeration e = m_props.elements();
58       while (e.hasMoreElements()) {
59         OfferProperty prop = (OfferProperty)e.nextElement();
60         result.properties[count] = prop.describe();
61         count++;
62       }
63
64       m_description = result;
65     }
66     else
67       result = m_description;
68
69     return result;
70   }
71
72
73   public void modify(Property[] props)
74   {
75     setProperties(props);
76     m_description = null;
77   }
78
79
80   public int hashCode()
81   {
82     return m_id.hashCode();
83   }
84
85
86   public boolean equals(java.lang.Object JavaDoc o)
87   {
88     Offer offer = (Offer)o;
89     return m_id.equals(offer.m_id);
90   }
91
92
93   /** ObjectStore PSE hook method to initialize transient fields */
94   public void postInitializeContents()
95   {
96     m_description = null;
97   }
98
99
100   /** ObjectStore PSE hook method to clear transient fields */
101   public void preClearContents()
102   {
103     m_description = null;
104   }
105
106
107   protected void setProperties(Property[] props)
108   {
109     m_props = new OSVector();
110     for (int i = 0; i < props.length; i++) {
111       OfferProperty prop = new OfferProperty(props[i]);
112       m_props.addElement(prop);
113     }
114   }
115 }
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