Mercurial > hg > AnnotationManagerN4J
annotate src/main/java/de/mpiwg/itgroup/annotations/Annotation.java @ 105:7417f5915181 default tip
check admin permission before changing permissions.
Enum for typesafe actions.
| author | casties |
|---|---|
| date | Fri, 10 Feb 2017 15:45:35 +0100 |
| parents | acd44dfec9c8 |
| children |
| rev | line source |
|---|---|
| 4 | 1 /** |
| 2 * | |
| 3 */ | |
| 4 package de.mpiwg.itgroup.annotations; | |
| 5 | |
| 70 | 6 /* |
| 7 * #%L | |
| 8 * AnnotationManager | |
| 9 * %% | |
| 10 * Copyright (C) 2012 - 2014 MPIWG Berlin | |
| 11 * %% | |
| 12 * This program is free software: you can redistribute it and/or modify | |
| 13 * it under the terms of the GNU Lesser General Public License as | |
| 14 * published by the Free Software Foundation, either version 3 of the | |
| 15 * License, or (at your option) any later version. | |
| 16 * | |
| 17 * This program is distributed in the hope that it will be useful, | |
| 18 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 20 * GNU General Lesser Public License for more details. | |
| 21 * | |
| 22 * You should have received a copy of the GNU General Lesser Public | |
| 23 * License along with this program. If not, see | |
| 24 * <http://www.gnu.org/licenses/lgpl-3.0.html>. | |
| 25 * #L% | |
| 26 */ | |
| 27 | |
| 50 | 28 import java.io.UnsupportedEncodingException; |
| 16 | 29 import java.util.Set; |
| 30 | |
| 50 | 31 import org.apache.commons.codec.binary.Base64; |
| 32 | |
| 15 | 33 import de.mpiwg.itgroup.annotations.neo4j.AnnotationStore; |
| 34 | |
| 4 | 35 /** |
| 36 * @author casties | |
| 37 * | |
| 38 */ | |
| 39 public class Annotation { | |
| 40 /** | |
| 41 * The URI of this annotation. | |
| 42 */ | |
| 43 protected String uri; | |
| 44 | |
| 45 /** | |
| 46 * The annotation (body) text. | |
| 47 */ | |
| 48 protected String bodyText; | |
| 49 | |
| 50 /** | |
| 51 * The URI of the annotation text | |
| 52 */ | |
| 53 protected String bodyUri; | |
| 54 | |
| 55 /** | |
|
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56 * The annotation target. |
| 4 | 57 */ |
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58 protected Target target; |
| 4 | 59 |
| 60 /** | |
| 61 * The fragment part of the annotation target. | |
| 62 */ | |
| 63 protected String targetFragment; | |
| 64 | |
| 65 /** | |
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66 * The types of annotation target fragments. |
| 4 | 67 * |
| 68 */ | |
| 69 public static enum FragmentTypes { | |
| 84 | 70 XPOINTER, AREA, WKT |
| 4 | 71 }; |
| 72 | |
| 73 /** | |
| 74 * The type of the annotation target fragment. | |
| 75 */ | |
| 76 protected FragmentTypes fragmentType; | |
| 77 | |
| 76 | 78 /** |
| 79 * The selected text of the annotation target. | |
| 80 */ | |
| 81 protected String quote; | |
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82 |
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83 /** |
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84 * The Resource that is annotated e.g. a book. |
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85 * The target is part of this resource e.g. a page of a book. |
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86 */ |
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87 protected Resource resource; |
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88 |
| 4 | 89 /** |
| 9 | 90 * The creator of this annotation. |
| 4 | 91 */ |
| 9 | 92 protected Actor creator; |
| 5 | 93 |
| 94 /** | |
| 4 | 95 * The creation date of this annotation. |
| 96 */ | |
| 97 protected String created; | |
| 98 | |
| 10 | 99 /** |
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100 * The last update date of this annotation. |
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101 */ |
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102 protected String updated; |
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103 |
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104 /** |
| 10 | 105 * The user or group that has admin permissions. |
| 106 * null means any user. | |
| 107 */ | |
| 108 protected Actor adminPermission; | |
| 109 | |
| 110 /** | |
| 111 * The user or group that has delete permissions. | |
| 112 * null means any user. | |
| 113 */ | |
| 114 protected Actor deletePermission; | |
| 115 | |
| 116 /** | |
| 117 * The user or group that has update permissions. | |
| 118 * null means any user. | |
| 119 */ | |
| 120 protected Actor updatePermission; | |
| 121 | |
| 122 /** | |
| 123 * The user or group that has read permissions. | |
| 124 * null means any user. | |
| 125 */ | |
| 126 protected Actor readPermission; | |
| 16 | 127 |
| 128 /** | |
| 129 * List of tags on this Annotation. | |
| 130 */ | |
| 131 protected Set<String> tags; | |
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132 |
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133 /** |
| 105 | 134 * Enum of actions (for permissions). |
| 135 */ | |
| 136 public static enum Action { | |
| 137 read, update, create, delete, admin | |
| 138 } | |
| 139 | |
| 140 /** | |
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141 * Returns if the requested action is allowed for the given user on this annotation. |
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142 * |
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143 * @param action |
| 15 | 144 * @param user |
| 145 * @param store AnnotationStore to check group membership | |
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146 * @return |
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147 */ |
| 105 | 148 public boolean isActionAllowed(Action action, Person user, AnnotationStore store) { |
| 149 if (action == Action.read) { | |
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150 Actor reader = getReadPermission(); |
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151 if (reader == null) { |
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152 // if not specified then everybody is allowed |
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153 return true; |
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154 } else { |
| 15 | 155 return reader.isEquivalentWith(user, store); |
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156 } |
| 105 | 157 } else if (action == Action.update) { |
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158 // require at least an authenticated user |
| 15 | 159 if (user == null) return false; |
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160 Actor updater = getUpdatePermission(); |
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161 if (updater == null) { |
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162 // if not specified then everybody is allowed |
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163 return true; |
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164 } else { |
| 15 | 165 return updater.isEquivalentWith(user, store); |
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166 } |
| 105 | 167 } else if (action == Action.delete) { |
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168 // require at least an authenticated user |
| 15 | 169 if (user == null) return false; |
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170 Actor deleter = getDeletePermission(); |
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171 if (deleter == null) { |
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172 // if not specified then only creator is allowed |
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173 deleter = creator; |
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174 } |
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175 return deleter.isEquivalentWith(user, store); |
| 105 | 176 } else if (action == Action.admin) { |
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177 // require at least an authenticated user |
| 15 | 178 if (user == null) return false; |
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179 Actor admin = getAdminPermission(); |
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180 if (admin == null) { |
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181 // if not specified then only creator is allowed |
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182 admin = creator; |
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183 } |
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184 return admin.isEquivalentWith(user, store); |
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185 } |
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186 return false; |
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187 } |
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188 |
| 4 | 189 /** |
| 190 * @return the uri | |
| 191 */ | |
| 192 public String getUri() { | |
| 193 return uri; | |
| 194 } | |
| 195 | |
| 196 /** | |
| 197 * @param uri the uri to set | |
| 198 */ | |
| 199 public void setUri(String uri) { | |
| 200 this.uri = uri; | |
| 201 } | |
| 202 | |
| 203 /** | |
| 50 | 204 * Returns an URL-compatible id. |
| 205 * Currently the uri as base64 encoded string. | |
| 206 * @return | |
| 207 */ | |
| 208 public String getUrlId() { | |
| 209 if (uri == null) return null; | |
| 210 try { | |
| 211 return Base64.encodeBase64URLSafeString(uri.getBytes("UTF-8")); | |
| 212 } catch (UnsupportedEncodingException e) { | |
| 213 return null; | |
| 214 } | |
| 215 } | |
| 216 | |
| 217 public static String decodeId(String id) { | |
| 218 if (id == null) return null; | |
| 219 try { | |
| 220 return new String(Base64.decodeBase64(id), "UTF-8"); | |
| 221 } catch (UnsupportedEncodingException e) { | |
| 222 return null; | |
| 223 } | |
| 224 } | |
| 225 | |
| 226 /** | |
| 4 | 227 * @return the bodyText |
| 228 */ | |
| 229 public String getBodyText() { | |
| 230 return bodyText; | |
| 231 } | |
| 232 | |
| 233 /** | |
| 234 * @param bodyText the bodyText to set | |
| 235 */ | |
| 236 public void setBodyText(String bodyText) { | |
| 237 this.bodyText = bodyText; | |
| 238 } | |
| 239 | |
| 240 /** | |
| 241 * @return the bodyUri | |
| 242 */ | |
| 243 public String getBodyUri() { | |
| 244 return bodyUri; | |
| 245 } | |
| 246 | |
| 247 /** | |
| 248 * @param bodyUri the bodyUri to set | |
| 249 */ | |
| 250 public void setBodyUri(String bodyUri) { | |
| 251 this.bodyUri = bodyUri; | |
| 252 } | |
| 253 | |
| 254 /** | |
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255 * @return the target |
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256 */ |
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257 public Target getTarget() { |
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258 return target; |
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259 } |
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260 |
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261 /** |
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262 * @param target the target to set |
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263 */ |
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264 public void setTarget(Target target) { |
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265 this.target = target; |
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266 } |
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267 |
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268 /** |
| 4 | 269 * @return the targetBaseUri |
| 270 */ | |
| 271 public String getTargetBaseUri() { | |
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272 if (target == null) return null; |
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273 return target.getUri(); |
| 4 | 274 } |
| 275 | |
| 276 /** | |
| 277 * @return the targetFragment | |
| 278 */ | |
| 279 public String getTargetFragment() { | |
| 280 return targetFragment; | |
| 281 } | |
| 282 | |
| 283 /** | |
| 284 * @param targetFragment the targetFragment to set | |
| 285 */ | |
| 286 public void setTargetFragment(String targetFragment) { | |
| 287 this.targetFragment = targetFragment; | |
| 288 } | |
| 289 | |
| 290 /** | |
| 291 * @return the targetType | |
| 292 */ | |
| 293 public FragmentTypes getFragmentType() { | |
| 294 return fragmentType; | |
| 295 } | |
| 296 | |
| 297 /** | |
| 298 * @param fragmentType the fragmentType to set | |
| 299 */ | |
| 300 public void setFragmentType(FragmentTypes fragmentType) { | |
| 301 this.fragmentType = fragmentType; | |
| 302 } | |
| 303 | |
| 304 /** | |
| 76 | 305 * @return the quote |
| 306 */ | |
| 307 public String getQuote() { | |
| 308 return quote; | |
| 309 } | |
| 310 | |
| 311 /** | |
| 312 * @param quote the quote to set | |
| 313 */ | |
| 314 public void setQuote(String quote) { | |
| 315 this.quote = quote; | |
| 316 } | |
| 317 | |
| 318 /** | |
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319 * @return the resource |
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320 */ |
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321 public Resource getResource() { |
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322 return resource; |
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323 } |
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324 |
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325 /** |
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326 * @param resource the resource to set |
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327 */ |
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328 public void setResource(Resource resource) { |
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329 this.resource = resource; |
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330 } |
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331 |
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332 /** |
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333 * @return the resourceUri |
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334 */ |
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335 public String getResourceUri() { |
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336 if (resource == null) return null; |
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337 return resource.getUri(); |
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338 } |
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339 |
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340 /** |
| 9 | 341 * @return the creator |
| 342 */ | |
| 343 public Actor getCreator() { | |
| 344 return creator; | |
| 345 } | |
| 346 | |
| 347 /** | |
| 348 * @param creator the creator to set | |
| 349 */ | |
| 350 public void setCreator(Actor creator) { | |
| 351 this.creator = creator; | |
| 352 } | |
| 353 | |
| 354 /** | |
| 4 | 355 * @return the creatorUri |
| 356 */ | |
| 357 public String getCreatorUri() { | |
| 9 | 358 if (creator != null) { |
| 359 return creator.getUri(); | |
| 360 } | |
| 361 return null; | |
| 4 | 362 } |
| 363 | |
| 364 /** | |
| 5 | 365 * @return the creatorName |
| 366 */ | |
| 367 public String getCreatorName() { | |
| 9 | 368 if (creator != null) { |
| 369 return creator.getName(); | |
| 370 } | |
| 371 return null; | |
| 5 | 372 } |
| 373 | |
| 374 /** | |
| 4 | 375 * @return the created |
| 376 */ | |
| 377 public String getCreated() { | |
| 378 return created; | |
| 379 } | |
| 380 | |
| 381 /** | |
| 382 * @param created the created to set | |
| 383 */ | |
| 384 public void setCreated(String created) { | |
| 385 this.created = created; | |
| 386 } | |
| 10 | 387 |
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388 public String getUpdated() { |
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389 return updated; |
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390 } |
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391 |
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392 public void setUpdated(String updated) { |
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393 this.updated = updated; |
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394 } |
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395 |
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396 /** |
| 10 | 397 * @return the adminPermission |
| 398 */ | |
| 399 public Actor getAdminPermission() { | |
|
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400 if (adminPermission != null) { |
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401 return adminPermission; |
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402 } else { |
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403 // if not specified then only creator is allowed |
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404 return this.creator; |
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405 } |
| 10 | 406 } |
| 407 | |
| 408 /** | |
| 409 * @param adminPermission the adminPermission to set | |
| 410 */ | |
| 411 public void setAdminPermission(Actor adminPermission) { | |
| 412 this.adminPermission = adminPermission; | |
| 413 } | |
| 414 | |
| 415 /** | |
| 416 * @return the deletePermission | |
| 417 */ | |
| 418 public Actor getDeletePermission() { | |
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419 if (deletePermission != null) { |
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420 return deletePermission; |
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421 } else { |
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422 // if not specified then only creator is allowed |
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423 return this.creator; |
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424 } |
| 10 | 425 } |
| 426 | |
| 427 /** | |
| 428 * @param deletePermission the deletePermission to set | |
| 429 */ | |
| 430 public void setDeletePermission(Actor deletePermission) { | |
| 431 this.deletePermission = deletePermission; | |
| 432 } | |
| 433 | |
| 434 /** | |
| 435 * @return the updatePermission | |
| 436 */ | |
| 437 public Actor getUpdatePermission() { | |
| 438 return updatePermission; | |
| 439 } | |
| 440 | |
| 441 /** | |
| 442 * @param updatePermission the updatePermission to set | |
| 443 */ | |
| 444 public void setUpdatePermission(Actor updatePermission) { | |
| 445 this.updatePermission = updatePermission; | |
| 446 } | |
| 447 | |
| 448 /** | |
| 449 * @return the readPermission | |
| 450 */ | |
| 451 public Actor getReadPermission() { | |
| 452 return readPermission; | |
| 453 } | |
| 454 | |
| 455 /** | |
| 456 * @param readPermission the readPermission to set | |
| 457 */ | |
| 458 public void setReadPermission(Actor readPermission) { | |
| 459 this.readPermission = readPermission; | |
| 460 } | |
| 16 | 461 |
| 462 /** | |
| 463 * @return the tags | |
| 464 */ | |
| 465 public Set<String> getTags() { | |
| 466 return tags; | |
| 467 } | |
| 468 | |
| 469 /** | |
| 470 * @param tags the tags to set | |
| 471 */ | |
| 472 public void setTags(Set<String> tags) { | |
| 473 this.tags = tags; | |
| 474 } | |
| 4 | 475 |
| 476 | |
| 477 } |