Workspace/Siman/src/org/splat/simer/SearchKnowledgeAction.java

   1 package org.splat.simer;
   2
   3 import java.util.LinkedHashMap;
   4 import java.util.List;
   5 import java.util.Map;
   6
   7 import org.splat.dal.bo.kernel.User;
   8 import org.splat.dal.bo.som.KnowledgeElement;
   9 import org.splat.dal.bo.som.KnowledgeElementType;
  10 import org.splat.dal.bo.som.ProgressState;
  11 import org.splat.dal.bo.som.SimulationContextType;
  12 import org.splat.dal.bo.som.Visibility;
  13 import org.splat.kernel.InvalidPropertyException;
  14 import org.splat.service.KnowledgeElementTypeService;
  15 import org.splat.service.SearchService;
  16 import org.splat.service.dto.KnowledgeSearchFilterDTO;
  17 import org.splat.wapp.Constants;
  18
  19 /**
  20  * Action for searching a knowledge in the database.
  21  */
  22 public class SearchKnowledgeAction extends
  23                 AbstractSearchBaseAction<KnowledgeSearchFilterDTO> {
  24
  25         /**
  26          * Serial version ID.
  27          */
  28         private static final long serialVersionUID = -3104321907432838476L;
  29
  30         /**
  31          * Available knowledge types filter (initialized below).
  32          */
  33         private transient Map<Long, String> _knowledgeTypes;
  34         /**
  35          * Injected search service.
  36          */
  37         private SearchService _searchService;
  38         /**
  39          * Injected knowledge element service.
  40          */
  41         private KnowledgeElementTypeService _knowledgeElementTypeService;
  42
  43         // ==============================================================================================================================
  44         // Action methods
  45         // ==============================================================================================================================
  46
  47         /**
  48          * The action initialization.
  49          *
  50          * @return SUCCESS if succeeded, ERROR if doSearch() is failed
  51          */
  52         public String doInitialize() {
  53
  54                 initializationFullScreenContext(Constants.OPEN, Constants.NONE,
  55                                 Constants.OPEN);
  56
  57                 String res = SUCCESS;
  58                 try {
  59                         loadFilter();
  60                         doSearch();
  61
  62                         // Final initialization of the form
  63                         _knowledgeTypes = buildKnowledgeTypesOptions();
  64                         getKnowledgeElementTypeService().selectTypesWhere(
  65                                         ProgressState.APPROVED);
  66                         setCandidates();
  67                         setContextTypeOptions(getInvolvedContexts());
  68                 } catch (Exception error) {
  69                         // No need to roll back the transaction as it is read only
  70                         LOG.error("Reason: ", error);
  71                         res = ERROR;
  72                 }
  73                 return res;
  74         }
  75
  76         /**
  77          * Build the map of translated knowledge types available for selection.
  78          *
  79          * @return the map of translated knowledge types
  80          */
  81         private Map<Long, String> buildKnowledgeTypesOptions() {
  82                 Map<Long, String> options = new LinkedHashMap<Long, String>();
  83                 List<KnowledgeElementType> types = getKnowledgeElementTypeService()
  84                                 .selectTypesWhere(ProgressState.APPROVED);
  85                 for (KnowledgeElementType ktype : types) {
  86                         options.put(ktype.getIndex(), getText(ktype.getKey()));
  87                 }
  88                 return options;
  89         }
  90
  91         /**
  92          * {@inheritDoc}
  93          *
  94          * @see org.splat.simer.AbstractSearchBaseAction#doSearch()
  95          */
  96         @Override
  97         protected String doSearch() throws InvalidPropertyException {
  98
  99                 initializationScreenContext(Constants.OPEN);
 100                 KnowledgeElement.Properties sprop = new KnowledgeElement.Properties();
 101
 102                 // Search matching all criteria
 103                 sprop.setType(getKnowledgeElementTypeService().selectType(
 104                                 Integer.valueOf(getFilter().getKtype())));
 105                 if (getFilter().getWords().length() > 0) {
 106                         sprop.setTitle(getFilter().getWords());
 107                 }
 108                 if (getFilter().getReference().length() > 0) {
 109                         sprop.setReference(getFilter().getReference());
 110                 }
 111                 if (getFilter().getSimContexts().size() > 0) {
 112                         sprop.setSimulationContexts(getFilter().getSimContexts());
 113                 }
 114                 int index = Integer.valueOf(getFilter().getAuthor());
 115                 if (index > 0) {
 116                         User him = getUserService().selectUser(index);
 117                         sprop.setAuthor(him);
 118                 }
 119                 // Set of the visibility
 120                 KnowledgeElement.Properties other = sprop.copy();
 121
 122                 other.setVisibility(Visibility.PUBLIC);
 123                 sprop.setVisibility(Visibility.PRIVATE);
 124                 sprop.setActor(getConnectedUser());
 125
 126                 _result = getSearchService().selectKnowledgeElementsWhere(sprop, other);
 127                 getSession().put(RESULT_KEY, _result); // For redisplaying the page without re-executing the search
 128                 return "refresh";
 129         }
 130
 131         // ==============================================================================================================================
 132         // Getters
 133         // ==============================================================================================================================
 134
 135         public Map<Long, String> getKnowledgeTypes() {
 136                 return _knowledgeTypes;
 137         }
 138
 139         /**
 140          * {@inheritDoc}
 141          *
 142          * @see org.splat.simer.AbstractSearchBaseAction#getInvolvedContexts()
 143          */
 144         @Override
 145         protected List<SimulationContextType> getInvolvedContexts() {
 146                 return getSimulationContextService().selectAllTypes();
 147         }
 148
 149         /**
 150          * {@inheritDoc}
 151          *
 152          * @see org.splat.simer.AbstractSearchBaseAction#saveFilter()
 153          */
 154         @Override
 155         protected Map<String, Object> saveFilter() {
 156                 Map<String, Object> filter = super.saveFilter();
 157
 158                 // Initialization required by all do functions
 159                 _knowledgeTypes = buildKnowledgeTypesOptions();
 160                 return filter;
 161         }
 162
 163         /**
 164          * Get the searchService.
 165          *
 166          * @return the searchService
 167          */
 168         public SearchService getSearchService() {
 169                 return _searchService;
 170         }
 171
 172         /**
 173          * Set the searchService.
 174          *
 175          * @param searchService
 176          *            the searchService to set
 177          */
 178         public void setSearchService(final SearchService searchService) {
 179                 _searchService = searchService;
 180         }
 181
 182         /**
 183          * Get the knowledgeElementTypeService.
 184          *
 185          * @return the knowledgeElementTypeService
 186          */
 187         public KnowledgeElementTypeService getKnowledgeElementTypeService() {
 188                 return _knowledgeElementTypeService;
 189         }
 190
 191         /**
 192          * Set the knowledgeElementTypeService.
 193          *
 194          * @param knowledgeElementTypeService
 195          *            the knowledgeElementTypeService to set
 196          */
 197         public void setKnowledgeElementTypeService(
 198                         final KnowledgeElementTypeService knowledgeElementTypeService) {
 199                 _knowledgeElementTypeService = knowledgeElementTypeService;
 200         }
 201
 202         /**
 203          * {@inheritDoc}
 204          *
 205          * @see org.splat.simer.AbstractSearchBaseAction#getFilterName()
 206          */
 207         @Override
 208         protected String getFilterName() {
 209                 return "knowledge.filter";
 210         }
 211
 212         /**
 213          * {@inheritDoc}
 214          *
 215          * @see org.splat.simer.AbstractSearchBaseAction#getNewFilter()
 216          */
 217         @Override
 218         protected KnowledgeSearchFilterDTO getNewFilter() {
 219                 return new KnowledgeSearchFilterDTO();
 220         }
 221 }