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12 package org.jacorb.trading.db.simple.offers;
13
14 import java.io.*;
15 import java.util.*;
16 import org.omg.CORBA.*;
17 import org.omg.CosTrading.Lookup;
18 import org.omg.CosTrading.RegisterPackage.*;
19 import org.omg.CosTrading.ProxyPackage.*;
20 import org.omg.CosTrading.Property;
21 import org.omg.CosTrading.Policy;
22
23 public class OfferList implements Serializable
24 {
25 private String  m_serviceType;
26 private Hashtable m_offers;
27 private Hashtable m_proxies;
28 private int m_nextId;
29 private transient boolean m_dirty = true;
30 private static final char ID_SEP = '/';
31
32 static final long serialVersionUID = -921492441298318523L;
33
34
35 private OfferList()
36 {
37 }
38
39
40 public OfferList(String serviceType)
41 {
42 m_serviceType = serviceType;
43 m_offers = new Hashtable();
44 m_proxies = new Hashtable();
45 m_nextId = 1;
46 }
47
48
49 public String getServiceType()
50 {
51 return m_serviceType;
52 }
53
54
55
56 public static boolean validateOfferId(String offerId)
57 {
58 boolean result = false;
59
60 if (offerId != null) {
61 int index = offerId.indexOf(ID_SEP);
63 result = (index > 0);
64 }
65
66 return result;
67 }
68
69
70 public boolean exists(String offerId)
71 {
72 return (m_offers.containsKey(offerId) || m_proxies.containsKey(offerId));
73 }
74
75
76 public boolean isProxy(String offerId)
77 {
78 return m_proxies.containsKey(offerId);
79 }
80
81
82 public String create(org.omg.CORBA.Object obj, Property[] props)
83 {
84 String result = null;
85
86 result = m_serviceType + ID_SEP + m_nextId;
87 m_nextId++;
88 Offer offer = new Offer(result, obj, props);
89 m_offers.put(result, offer);
90 m_dirty = true;
91 return result;
92 }
93
94
95 public String createProxy(
96 Lookup target,
97 Property[] props,
98 boolean ifMatchAll,
99 String recipe,
100 Policy[] policies)
101 {
102 String result = null;
103
104 result = m_serviceType + ID_SEP + m_nextId;
105 m_nextId++;
106 ProxyOffer proxy =
107 new ProxyOffer(result, target, props, ifMatchAll, recipe, policies);
108 m_proxies.put(result, proxy);
109
110 m_dirty = true;
111
112 return result;
113 }
114
115
116 public void remove(String offerId)
117 {
118 if (m_offers.containsKey(offerId)) {
119 m_offers.remove(offerId);
120 m_dirty = true;
121 }
122 }
123
124
125 public void removeProxy(String offerId)
126 {
127 if (m_proxies.containsKey(offerId)) {
128 m_proxies.remove(offerId);
129 m_dirty = true;
130 }
131 }
132
133
134 public OfferInfo describe(String offerId)
135 {
136 OfferInfo result = null;
137
138 Offer offer = (Offer)m_offers.get(offerId);
139 if (offer != null) {
140 result = offer.describe();
141 result.type = m_serviceType;
142 }
143
144 return result;
145 }
146
147
148 public ProxyInfo describeProxy(String offerId)
149 {
150 ProxyInfo result = null;
151
152 ProxyOffer proxy = (ProxyOffer)m_proxies.get(offerId);
153 if (proxy != null) {
154 result = proxy.describe();
155 result.type = m_serviceType;
156 }
157
158 return result;
159 }
160
161
162 public boolean modify(String offerId, Property[] props)
163 {
164 boolean result = false;
165
166 Offer offer = (Offer)m_offers.get(offerId);
167 if (offer != null) {
168 offer.modify(props);
169 result = true;
170 m_dirty = true;
171 }
172
173 return result;
174 }
175
176
177 public Hashtable getOffers()
178 {
179 Hashtable result = new Hashtable();
180
181 Enumeration e = m_offers.keys();
182 while (e.hasMoreElements()) {
183 String offerId = (String )e.nextElement();
184 Offer offer = (Offer)m_offers.get(offerId);
185 OfferInfo info = offer.describe();
186 info.type = m_serviceType;
187 result.put(offerId, info);
188 }
189
190 return result;
191 }
192
193
194 public String [] getOfferIds()
195 {
196 String [] result = new String [m_offers.size()];
197
198 int count = 0;
199 Enumeration e = m_offers.keys();
200 while (e.hasMoreElements())
201 result[count++] = (String )e.nextElement();
202
203 return result;
204 }
205
206
207 public Hashtable getProxyOffers()
208 {
209 Hashtable result = new Hashtable();
210
211 Enumeration e = m_proxies.keys();
212 while (e.hasMoreElements()) {
213 String offerId = (String )e.nextElement();
214 ProxyOffer proxy = (ProxyOffer)m_proxies.get(offerId);
215 ProxyInfo info = proxy.describe();
216 info.type = m_serviceType;
217 result.put(offerId, info);
218 }
219
220 return result;
221 }
222
223
224 public String [] getProxyOfferIds()
225 {
226 String [] result = new String [m_proxies.size()];
227
228 int count = 0;
229 Enumeration e = m_proxies.keys();
230 while (e.hasMoreElements())
231 result[count++] = (String )e.nextElement();
232
233 return result;
234 }
235
236
237 public static String whichService(String offerId)
238 {
239 String result = null;
240
241 int index = offerId.indexOf(ID_SEP);
242 if (index > 0)
243 result = offerId.substring(0, index);
244
245 return result;
246 }
247
248
249 public int hashCode()
250 {
251 return m_serviceType.hashCode();
252 }
253
254
255 public boolean equals(java.lang.Object o)
256 {
257 OfferList list = (OfferList)o;
258 return m_serviceType.equals(list.m_serviceType);
259 }
260
261
262 public boolean getDirty()
263 {
264 return m_dirty;
265 }
266
267
268 private void writeObject(ObjectOutputStream out)
269 throws IOException
270 {
271 out.defaultWriteObject();
272 m_dirty = false;
273 }
274
275
276 private void readObject(ObjectInputStream in)
277 throws IOException, ClassNotFoundException
278 {
279 in.defaultReadObject();
280 m_dirty = false;
281 }
282 }
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