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140 changes: 140 additions & 0 deletions
140
dspace-api/src/main/java/org/dspace/app/suggestion/SolrSuggestionProvider.java
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| /** | ||
| * The contents of this file are subject to the license and copyright | ||
| * detailed in the LICENSE and NOTICE files at the root of the source | ||
| * tree and available online at | ||
| * | ||
| * http://www.dspace.org/license/ | ||
| */ | ||
| package org.dspace.app.suggestion; | ||
|
|
||
| import java.io.IOException; | ||
| import java.util.List; | ||
| import java.util.UUID; | ||
|
|
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| import org.apache.logging.log4j.Logger; | ||
| import org.apache.solr.client.solrj.SolrServerException; | ||
| import org.dspace.content.service.ItemService; | ||
| import org.dspace.core.Context; | ||
| import org.dspace.external.model.ExternalDataObject; | ||
| import org.springframework.beans.factory.annotation.Autowired; | ||
|
|
||
| /** | ||
| * Suggestion provider that read the suggestion from the local suggestion solr | ||
| * core | ||
| * | ||
| * @author Andrea Bollini (andrea.bollini at 4science dot it) | ||
| * | ||
| */ | ||
| public abstract class SolrSuggestionProvider implements SuggestionProvider { | ||
| private static final Logger log = org.apache.logging.log4j.LogManager.getLogger(SolrSuggestionProvider.class); | ||
|
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| @Autowired | ||
| protected ItemService itemService; | ||
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| @Autowired | ||
| protected SolrSuggestionStorageService solrSuggestionStorageService; | ||
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| private String sourceName; | ||
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| public String getSourceName() { | ||
| return sourceName; | ||
| } | ||
|
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| public void setSourceName(String sourceName) { | ||
| this.sourceName = sourceName; | ||
| } | ||
|
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| public void setItemService(ItemService itemService) { | ||
| this.itemService = itemService; | ||
| } | ||
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| @Override | ||
| public long countAllTargets(Context context) { | ||
| try { | ||
| return this.solrSuggestionStorageService.countAllTargets(context, sourceName); | ||
| } catch (SolrServerException | IOException e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| } | ||
|
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| @Override | ||
| public long countUnprocessedSuggestionByTarget(Context context, UUID target) { | ||
| try { | ||
| return this.solrSuggestionStorageService.countUnprocessedSuggestionByTarget(context, sourceName, target); | ||
| } catch (SolrServerException | IOException e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| } | ||
|
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| @Override | ||
| public List<Suggestion> findAllUnprocessedSuggestions(Context context, UUID target, int pageSize, long offset, | ||
| boolean ascending) { | ||
|
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| try { | ||
| return this.solrSuggestionStorageService.findAllUnprocessedSuggestions(context, sourceName, | ||
| target, pageSize, offset, ascending); | ||
| } catch (SolrServerException | IOException e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
|
|
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| } | ||
|
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| @Override | ||
| public List<SuggestionTarget> findAllTargets(Context context, int pageSize, long offset) { | ||
| try { | ||
| return this.solrSuggestionStorageService.findAllTargets(context, sourceName, pageSize, offset); | ||
| } catch (SolrServerException | IOException e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| } | ||
|
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| @Override | ||
| public Suggestion findUnprocessedSuggestion(Context context, UUID target, String id) { | ||
| try { | ||
| return this.solrSuggestionStorageService.findUnprocessedSuggestion(context, sourceName, target, id); | ||
| } catch (SolrServerException | IOException e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| } | ||
|
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| @Override | ||
| public SuggestionTarget findTarget(Context context, UUID target) { | ||
| try { | ||
| return this.solrSuggestionStorageService.findTarget(context, sourceName, target); | ||
| } catch (SolrServerException | IOException e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| } | ||
|
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| @Override | ||
| public void rejectSuggestion(Context context, UUID target, String idPart) { | ||
| Suggestion suggestion = findUnprocessedSuggestion(context, target, idPart); | ||
| try { | ||
| solrSuggestionStorageService.flagSuggestionAsProcessed(suggestion); | ||
| } catch (SolrServerException | IOException e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| } | ||
|
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| @Override | ||
| public void flagRelatedSuggestionsAsProcessed(Context context, ExternalDataObject externalDataObject) { | ||
| if (!isExternalDataObjectPotentiallySuggested(context, externalDataObject)) { | ||
| return; | ||
| } | ||
| try { | ||
| solrSuggestionStorageService.flagAllSuggestionAsProcessed(sourceName, externalDataObject.getId()); | ||
| } catch (SolrServerException | IOException e) { | ||
| log.error(e.getMessage(), e); | ||
| } | ||
| } | ||
|
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| /** | ||
| * check if the externalDataObject may have suggestion | ||
| * @param context | ||
| * @param externalDataObject | ||
| * @return true if the externalDataObject could be suggested by this provider | ||
| * (i.e. it comes from a DataProvider used by this suggestor) | ||
| */ | ||
| protected abstract boolean isExternalDataObjectPotentiallySuggested(Context context, | ||
| ExternalDataObject externalDataObject); | ||
| } |
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