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authordiva2009-06-07 19:00:55 +0000
committerdiva2009-06-07 19:00:55 +0000
commit1ad237a8a757a0e6074278aff76805d01abf0c0b (patch)
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First draft of inventory service connectors, and service implementation. No handlers yet, this is just the OUT part for now. It's not active and nothing in the simulator uses this yet. Just checking it in to start sharing with others. There are a couple of interesting software design points that could use other devs opinions.
Hopefully I added all needed files.
Diffstat (limited to 'OpenSim/Framework/Communications')
-rw-r--r--OpenSim/Framework/Communications/Cache/InventoryFolderImpl.cs470
1 files changed, 0 insertions, 470 deletions
diff --git a/OpenSim/Framework/Communications/Cache/InventoryFolderImpl.cs b/OpenSim/Framework/Communications/Cache/InventoryFolderImpl.cs
deleted file mode 100644
index 71f6f1b..0000000
--- a/OpenSim/Framework/Communications/Cache/InventoryFolderImpl.cs
+++ /dev/null
@@ -1,470 +0,0 @@
1/*
2 * Copyright (c) Contributors, http://opensimulator.org/
3 * See CONTRIBUTORS.TXT for a full list of copyright holders.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of the OpenSimulator Project nor the
13 * names of its contributors may be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
20 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28using System;
29using System.Collections.Generic;
30using OpenMetaverse;
31
32//using System.Reflection;
33
34//using log4net;
35
36namespace OpenSim.Framework.Communications.Cache
37{
38 public class InventoryFolderImpl : InventoryFolderBase
39 {
40 //private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
41
42 public static readonly string PATH_DELIMITER = "/";
43
44 /// <summary>
45 /// Items that are contained in this folder
46 /// </summary>
47 public Dictionary<UUID, InventoryItemBase> Items = new Dictionary<UUID, InventoryItemBase>();
48
49 /// <summary>
50 /// Child folders that are contained in this folder
51 /// </summary>
52 protected Dictionary<UUID, InventoryFolderImpl> m_childFolders = new Dictionary<UUID, InventoryFolderImpl>();
53
54 // Constructors
55 public InventoryFolderImpl(InventoryFolderBase folderbase)
56 {
57 Owner = folderbase.Owner;
58 ID = folderbase.ID;
59 Name = folderbase.Name;
60 ParentID = folderbase.ParentID;
61 Type = folderbase.Type;
62 Version = folderbase.Version;
63 }
64
65 public InventoryFolderImpl()
66 {
67 }
68
69 /// <summary>
70 /// Create a new subfolder.
71 /// </summary>
72 /// <param name="folderID"></param>
73 /// <param name="folderName"></param>
74 /// <param name="type"></param>
75 /// <returns>The newly created subfolder. Returns null if the folder already exists</returns>
76 public InventoryFolderImpl CreateChildFolder(UUID folderID, string folderName, ushort type)
77 {
78 lock (m_childFolders)
79 {
80 if (!m_childFolders.ContainsKey(folderID))
81 {
82 InventoryFolderImpl subFold = new InventoryFolderImpl();
83 subFold.Name = folderName;
84 subFold.ID = folderID;
85 subFold.Type = (short) type;
86 subFold.ParentID = this.ID;
87 subFold.Owner = Owner;
88 m_childFolders.Add(subFold.ID, subFold);
89
90 return subFold;
91 }
92 }
93
94 return null;
95 }
96
97 /// <summary>
98 /// Add a folder that already exists.
99 /// </summary>
100 /// <param name="folder"></param>
101 public void AddChildFolder(InventoryFolderImpl folder)
102 {
103 lock (m_childFolders)
104 {
105 folder.ParentID = ID;
106 m_childFolders[folder.ID] = folder;
107 }
108 }
109
110 /// <summary>
111 /// Does this folder contain the given child folder?
112 /// </summary>
113 /// <param name="folderID"></param>
114 /// <returns></returns>
115 public bool ContainsChildFolder(UUID folderID)
116 {
117 return m_childFolders.ContainsKey(folderID);
118 }
119
120 /// <summary>
121 /// Get a child folder
122 /// </summary>
123 /// <param name="folderID"></param>
124 /// <returns>The folder if it exists, null if it doesn't</returns>
125 public InventoryFolderImpl GetChildFolder(UUID folderID)
126 {
127 InventoryFolderImpl folder = null;
128
129 lock (m_childFolders)
130 {
131 m_childFolders.TryGetValue(folderID, out folder);
132 }
133
134 return folder;
135 }
136
137 /// <summary>
138 /// Removes the given child subfolder.
139 /// </summary>
140 /// <param name="folderID"></param>
141 /// <returns>
142 /// The folder removed, or null if the folder was not present.
143 /// </returns>
144 public InventoryFolderImpl RemoveChildFolder(UUID folderID)
145 {
146 InventoryFolderImpl removedFolder = null;
147
148 lock (m_childFolders)
149 {
150 if (m_childFolders.ContainsKey(folderID))
151 {
152 removedFolder = m_childFolders[folderID];
153 m_childFolders.Remove(folderID);
154 }
155 }
156
157 return removedFolder;
158 }
159
160 /// <summary>
161 /// Delete all the folders and items in this folder.
162 /// </summary>
163 public void Purge()
164 {
165 foreach (InventoryFolderImpl folder in m_childFolders.Values)
166 {
167 folder.Purge();
168 }
169
170 m_childFolders.Clear();
171 Items.Clear();
172 }
173
174 /// <summary>
175 /// Returns the item if it exists in this folder or in any of this folder's descendant folders
176 /// </summary>
177 /// <param name="itemID"></param>
178 /// <returns>null if the item is not found</returns>
179 public InventoryItemBase FindItem(UUID itemID)
180 {
181 lock (Items)
182 {
183 if (Items.ContainsKey(itemID))
184 {
185 return Items[itemID];
186 }
187 }
188
189 lock (m_childFolders)
190 {
191 foreach (InventoryFolderImpl folder in m_childFolders.Values)
192 {
193 InventoryItemBase item = folder.FindItem(itemID);
194
195 if (item != null)
196 {
197 return item;
198 }
199 }
200 }
201
202 return null;
203 }
204
205 public InventoryItemBase FindAsset(UUID assetID)
206 {
207 lock (Items)
208 {
209 foreach (InventoryItemBase item in Items.Values)
210 {
211 if (item.AssetID == assetID)
212 return item;
213 }
214 }
215
216 lock (m_childFolders)
217 {
218 foreach (InventoryFolderImpl folder in m_childFolders.Values)
219 {
220 InventoryItemBase item = folder.FindAsset(assetID);
221
222 if (item != null)
223 {
224 return item;
225 }
226 }
227 }
228
229 return null;
230 }
231
232 /// <summary>
233 /// Deletes an item if it exists in this folder or any children
234 /// </summary>
235 /// <param name="folderID"></param>
236 /// <returns></returns>
237 public bool DeleteItem(UUID itemID)
238 {
239 bool found = false;
240
241 lock (Items)
242 {
243 if (Items.ContainsKey(itemID))
244 {
245 Items.Remove(itemID);
246 return true;
247 }
248 }
249
250 lock (m_childFolders)
251 {
252 foreach (InventoryFolderImpl folder in m_childFolders.Values)
253 {
254 found = folder.DeleteItem(itemID);
255
256 if (found == true)
257 {
258 break;
259 }
260 }
261 }
262
263 return found;
264 }
265
266 /// <summary>
267 /// Returns the folder requested if it is this folder or is a descendent of this folder. The search is depth
268 /// first.
269 /// </summary>
270 /// <returns>The requested folder if it exists, null if it does not.</returns>
271 public InventoryFolderImpl FindFolder(UUID folderID)
272 {
273 if (folderID == ID)
274 return this;
275
276 lock (m_childFolders)
277 {
278 foreach (InventoryFolderImpl folder in m_childFolders.Values)
279 {
280 InventoryFolderImpl returnFolder = folder.FindFolder(folderID);
281
282 if (returnFolder != null)
283 return returnFolder;
284 }
285 }
286
287 return null;
288 }
289
290 /// <summary>
291 /// Look through all child subfolders for a folder marked as one for a particular asset type, and return it.
292 /// </summary>
293 /// <param name="type"></param>
294 /// <returns>Returns null if no such folder is found</returns>
295 public InventoryFolderImpl FindFolderForType(int type)
296 {
297 lock (m_childFolders)
298 {
299 foreach (InventoryFolderImpl f in m_childFolders.Values)
300 {
301 if (f.Type == type)
302 return f;
303 }
304 }
305
306 return null;
307 }
308
309 /// <summary>
310 /// Find a folder given a PATH_DELIMITER delimited path starting from this folder
311 /// </summary>
312 ///
313 /// This method does not handle paths that contain multiple delimitors
314 ///
315 /// FIXME: We do not yet handle situations where folders have the same name. We could handle this by some
316 /// XPath like expression
317 ///
318 /// FIXME: Delimitors which occur in names themselves are not currently escapable.
319 ///
320 /// <param name="path">
321 /// The path to the required folder.
322 /// It this is empty or consists only of the PATH_DELIMTER then this folder itself is returned.
323 /// </param>
324 /// <returns>null if the folder is not found</returns>
325 public InventoryFolderImpl FindFolderByPath(string path)
326 {
327 if (path == string.Empty)
328 return this;
329
330 path = path.Trim();
331
332 if (path == PATH_DELIMITER)
333 return this;
334
335 string[] components = path.Split(new string[] { PATH_DELIMITER }, 2, StringSplitOptions.None);
336
337 lock (m_childFolders)
338 {
339 foreach (InventoryFolderImpl folder in m_childFolders.Values)
340 {
341 if (folder.Name == components[0])
342 if (components.Length > 1)
343 return folder.FindFolderByPath(components[1]);
344 else
345 return folder;
346 }
347 }
348
349 // We didn't find a folder with the given name
350 return null;
351 }
352
353 /// <summary>
354 /// Find an item given a PATH_DELIMITOR delimited path starting from this folder.
355 ///
356 /// This method does not handle paths that contain multiple delimitors
357 ///
358 /// FIXME: We do not yet handle situations where folders or items have the same name. We could handle this by some
359 /// XPath like expression
360 ///
361 /// FIXME: Delimitors which occur in names themselves are not currently escapable.
362 /// </summary>
363 /// <param name="path">
364 /// The path to the required item.
365 /// </param>
366 /// <returns>null if the item is not found</returns>
367 public InventoryItemBase FindItemByPath(string path)
368 {
369 string[] components = path.Split(new string[] { PATH_DELIMITER }, 2, StringSplitOptions.None);
370
371 if (components.Length == 1)
372 {
373 lock (Items)
374 {
375 foreach (InventoryItemBase item in Items.Values)
376 {
377 if (item.Name == components[0])
378 return item;
379 }
380 }
381 }
382 else
383 {
384 lock (m_childFolders)
385 {
386 foreach (InventoryFolderImpl folder in m_childFolders.Values)
387 {
388 if (folder.Name == components[0])
389 return folder.FindItemByPath(components[1]);
390 }
391 }
392 }
393
394 // We didn't find an item or intermediate folder with the given name
395 return null;
396 }
397
398 /// <summary>
399 /// Return a copy of the list of child items in this folder. The items themselves are the originals.
400 /// </summary>
401 public List<InventoryItemBase> RequestListOfItems()
402 {
403 List<InventoryItemBase> itemList = new List<InventoryItemBase>();
404
405 lock (Items)
406 {
407 foreach (InventoryItemBase item in Items.Values)
408 {
409 itemList.Add(item);
410 }
411 }
412
413 //m_log.DebugFormat("[INVENTORY FOLDER IMPL]: Found {0} items", itemList.Count);
414
415 return itemList;
416 }
417
418 /// <summary>
419 /// Return a copy of the list of child folders in this folder. The folders themselves are the originals.
420 /// </summary>
421 public List<InventoryFolderBase> RequestListOfFolders()
422 {
423 List<InventoryFolderBase> folderList = new List<InventoryFolderBase>();
424
425 lock (m_childFolders)
426 {
427 foreach (InventoryFolderBase folder in m_childFolders.Values)
428 {
429 folderList.Add(folder);
430 }
431 }
432
433 return folderList;
434 }
435
436 public List<InventoryFolderImpl> RequestListOfFolderImpls()
437 {
438 List<InventoryFolderImpl> folderList = new List<InventoryFolderImpl>();
439
440 lock (m_childFolders)
441 {
442 foreach (InventoryFolderImpl folder in m_childFolders.Values)
443 {
444 folderList.Add(folder);
445 }
446 }
447
448 return folderList;
449 }
450
451 /// <value>
452 /// The total number of items in this folder and in the immediate child folders (though not from other
453 /// descendants).
454 /// </value>
455 public int TotalCount
456 {
457 get
458 {
459 int total = Items.Count;
460
461 foreach (InventoryFolderImpl folder in m_childFolders.Values)
462 {
463 total = total + folder.TotalCount;
464 }
465
466 return total;
467 }
468 }
469 }
470}
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