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14 package org.jacorb.trading.db.simple.offers;
15
16 import java.io.*;
17 import java.util.*;
18 import org.omg.CosTrading.RegisterPackage.*;
19 import org.omg.CosTrading.Property;
20
21 public class Offer implements Serializable
22 {
23 private String  m_id;
24 private String m_object;
25 private Vector m_props;
26 private transient OfferInfo m_description;
27
28 static final long serialVersionUID = 4241426996695613295L;
29
30 private Offer()
31 {
32 }
33
34 public Offer(String id, org.omg.CORBA.Object obj, Property[] props)
35 {
36 m_id = id;
37 m_object = org.jacorb.trading.TradingService.getORB().object_to_string(obj);
38 setProperties(props);
39 m_description = null;
40 }
41
42 public OfferInfo describe()
43 {
44 OfferInfo result = null;
45
46 if (m_description == null) {
47 result = new OfferInfo();
48 result.reference = org.jacorb.trading.TradingService.getORB().string_to_object(m_object);
49 result.properties = new Property[m_props.size()];
50 int count = 0;
51 Enumeration e = m_props.elements();
52 while (e.hasMoreElements()) {
53 OfferProperty prop = (OfferProperty)e.nextElement();
54 result.properties[count] = prop.describe();
55 count++;
56 }
57
58 m_description = result;
59 }
60 else
61 result = m_description;
62
63 return result;
64 }
65
66
67 public void modify(Property[] props)
68 {
69 setProperties(props);
70 m_description = null;
71 }
72
73
74 public int hashCode()
75 {
76 return m_id.hashCode();
77 }
78
79
80 public boolean equals(java.lang.Object o)
81 {
82 Offer offer = (Offer)o;
83 return m_id.equals(offer.m_id);
84 }
85
86
87 protected void setProperties(Property[] props)
88 {
89 m_props = new Vector();
90 for (int i = 0; i < props.length; i++)
91 {
92 OfferProperty prop = new OfferProperty(props[i]);
93 m_props.addElement(prop);
94 }
95 }
96
97
98 private void readObject(ObjectInputStream in)
99 throws IOException, ClassNotFoundException
100 {
101 in.defaultReadObject();
102 m_description = null;
103 }
104 }
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