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1 package de.mpiwg.itgroup.ismi.entry.beans;
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2
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3 import org.apache.commons.lang.StringUtils;
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4 import org.mpi.openmind.repository.bo.Attribute;
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5 import org.mpi.openmind.repository.bo.Entity;
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6
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106
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7 /**
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8 * Class to check uniqueness of Entities.
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9 *
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10 * @author jurzua
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11 *
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12 */
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1
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13 public class UnityChecker extends AbstractISMIBean{
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14
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15 private static final long serialVersionUID = -5727416233789954800L;
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16 private Entity cloneEntity;
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17 private String unityCheckerMsg;
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18 private boolean renderUnityCheckerDialog;
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19
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20 @Override
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21 public void reset(){
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22 super.reset();
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23 this.renderUnityCheckerDialog = false;
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24 }
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25
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106
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26 /**
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27 * Return if the name for an entity is unique.
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28 *
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29 * @param unityName
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30 * @param id
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31 * @param objectClass
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32 * @param target
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33 * @param relationName
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34 * @param attName
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35 * @return
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36 */
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37 private boolean checkUnity(String unityName, Long id, String objectClass, Entity target, String relationName, String attName){
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38 this.cloneEntity = null;
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39 unityName = unityName.toLowerCase();
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40
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41 if(target != null && target.isPersistent()){
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42 for (Entity src : getWrapper().getSourcesForTargetRelation(target, relationName, objectClass, -1)) {
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43 if(id == null || id.longValue() != src.getId().longValue()){
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44 if(StringUtils.isEmpty(attName)){
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45 if(unityName.equals(src.getOwnValue().toLowerCase())){
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46 this.cloneEntity = src;
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47 return false;
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48 }
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49 }else{
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50 Attribute att = getWrapper().getAttributeByName(src.getId(), attName);
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51 if(att != null && unityName.equals(att.getValue().toLowerCase())){
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52 this.cloneEntity = src;
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53 return false;
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54 }
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55 }
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56 }
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57 }
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58 }
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59
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60 return true;
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61 }
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62
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63 public String hideUnityCheckerDialog(){
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64 this.renderUnityCheckerDialog = false;
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65 return PAGE_EDITOR;
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66 }
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67
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68 public void renderUnityCheckerDialog(){
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69 if(cloneEntity != null && cloneEntity.isPersistent()){
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70 if(cloneEntity.getObjectClass().equals(CODEX)){
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71 this.unityCheckerMsg = "There is already an object with the same identifier. ";
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72 }else{
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73 this.unityCheckerMsg = "There is already an object with the same name. ";
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74 }
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75
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76 this.unityCheckerMsg += "The ID of the " + cloneEntity.getObjectClass().toLowerCase() +
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77 " found is " + cloneEntity.getId() + ".";
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78
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79 this.unityCheckerMsg +=
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80 "\nDo you want to load the existing "
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81 + cloneEntity.getObjectClass().toLowerCase() + "?";
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82 this.renderUnityCheckerDialog = true;
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83 }
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84 }
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85
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86 public String loadCloneEntity(){
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87 if(cloneEntity != null && cloneEntity.isPersistent()){
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88 getSessionBean().editEntity(cloneEntity);
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89 }
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90 return PAGE_EDITOR;
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91 }
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92
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93 public boolean checkUnityCollection(String collectionName, Long id, Entity repository){
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94 return this.checkUnity(collectionName, id, COLLECTION, repository, is_part_of, null);
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95 }
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96
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97 public boolean checkUnityRepository(String repositoryName, Long id, Entity city){
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98 return this.checkUnity(repositoryName, id, REPOSITORY, city, is_in, null);
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99 }
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100
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101 public boolean checkUnityCity(String cityName, Long id, Entity country){
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102 return this.checkUnity(cityName, id, PLACE, country, is_part_of, null);
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103 }
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104
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105 public boolean checkUnityCodex(String identifier, Long id, Entity collection){
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106 return this.checkUnity(identifier, id, CODEX, collection, is_part_of, "identifier");
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107 }
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108
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109 public Entity getCloneEntity() {
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110 return cloneEntity;
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111 }
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112
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113 public void setCloneEntity(Entity cloneEntity) {
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114 this.cloneEntity = cloneEntity;
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115 }
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116 public String getUnityCheckerMsg() {
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117 return unityCheckerMsg;
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118 }
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119
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120 public void setUnityCheckerMsg(String unityCheckerMsg) {
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121 this.unityCheckerMsg = unityCheckerMsg;
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122 }
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123 public boolean isRenderUnityCheckerDialog() {
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124 return renderUnityCheckerDialog;
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125 }
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126
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127 public void setRenderUnityCheckerDialog(boolean renderUnityCheckerDialog) {
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128 this.renderUnityCheckerDialog = renderUnityCheckerDialog;
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129 }
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130 }
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