Java SolrDocument.getFieldValue方法代碼示例

import org.apache.solr.common.SolrDocument; //導入方法依賴的package包/類
/**
 * If the given SolrDocument is an anchor, retrieve the latest DATEUPDATED timestamp value from its volumes.
 * 
 * @param anchorDoc
 * @param untilTimestamp
 * @return
 * @throws SolrServerException
 */
public long getLatestVolumeTimestamp(SolrDocument anchorDoc, long untilTimestamp) throws SolrServerException {
    if (anchorDoc.getFieldValue(SolrConstants.ISANCHOR) != null && (Boolean) anchorDoc.getFieldValue(SolrConstants.ISANCHOR)) {
        SolrDocumentList volumes = search(SolrConstants.ISWORK + ":true AND " + SolrConstants.IDDOC_PARENT + ":" + (String) anchorDoc
                .getFieldValue(SolrConstants.IDDOC));
        if (volumes != null) {
            long latest = 0;
            for (SolrDocument volume : volumes) {
                long volumeTimestamp = getLatestValidDateUpdated(volume, untilTimestamp);
                if (latest < volumeTimestamp) {
                    latest = volumeTimestamp;
                }
            }

            if (latest > 0) {
                return latest;
            }
        }
    }

    return -1;
}
 

import org.apache.solr.common.SolrDocument; //導入方法依賴的package包/類
/**
 * Prepares the given record for an update. Creation timestamp is preserved. A new update timestamp is added, child docs are removed.
 * 
 * @param indexObj {@link IndexObject}
 * @throws IOException -
 * @throws SolrServerException
 * @throws FatalIndexerException
 */
private void prepareUpdate(IndexObject indexObj) throws IOException, SolrServerException, FatalIndexerException {
    String pi = indexObj.getPi().trim();
    SolrDocumentList hits = hotfolder.getSolrHelper().search(SolrConstants.PI + ":" + pi, null);
    if (hits != null && hits.getNumFound() > 0) {
        logger.debug("This file has already been indexed, initiating an UPDATE instead...");
        indexObj.setUpdate(true);
        SolrDocument doc = hits.get(0);
        // Set creation timestamp, if exists (should never be updated)
        Object dateCreated = doc.getFieldValue(SolrConstants.DATECREATED);
        if (dateCreated != null) {
            // Set creation timestamp, if exists (should never be updated)
            indexObj.setDateCreated((Long) dateCreated);
        }
        // Set update timestamp
        Collection<Object> dateUpdatedValues = doc.getFieldValues(SolrConstants.DATEUPDATED);
        if (dateUpdatedValues != null) {
            for (Object date : dateUpdatedValues) {
                indexObj.getDateUpdated().add((Long) date);
            }
        }
        // Recursively delete all children
        deleteWithPI(pi, false, hotfolder.getSolrHelper());
    }
}
 

import org.apache.solr.common.SolrDocument; //導入方法依賴的package包/類
/**
 * Performs an atomic update of the given solr document. Updates defined in partialUpdates will be applied to the existing document without making
 * any changes to other fields.
 * 
 * @param doc
 * @param partialUpdates Map of update operations (usage: Map<field, Map<operation, value>>)
 * @return
 * @throws FatalIndexerException
 * @should update doc correctly
 * @should add GROUPFIELD if original doc doesn't have it
 */
public boolean updateDoc(SolrDocument doc, Map<String, Map<String, Object>> partialUpdates) throws FatalIndexerException {
    String iddoc = (String) doc.getFieldValue(SolrConstants.IDDOC);
    SolrInputDocument newDoc = new SolrInputDocument();
    newDoc.addField(SolrConstants.IDDOC, iddoc);
    if (!doc.containsKey(SolrConstants.GROUPFIELD)) {
        logger.warn("Document to update {} doesn't contain {} adding now.", iddoc, SolrConstants.GROUPFIELD);
        Map<String, Object> update = new HashMap<>();
        update.put("set", iddoc);
        newDoc.addField(SolrConstants.GROUPFIELD, update);
    }
    for (String field : partialUpdates.keySet()) {
        newDoc.addField(field, partialUpdates.get(field));
    }
    if (writeToIndex(newDoc)) {
        commit(false);
        return true;
    }

    return false;
}
 

import org.apache.solr.common.SolrDocument; //導入方法依賴的package包/類
/**
 * Safely gets a String for the given field.
 *
 * @param solrDocument the docoument to get the field from
 * @param field the field to get
 * @return the String value of the field
 */
default String getString(SolrDocument solrDocument, String field) {
    String returnVal = null;
    final Object object = solrDocument.getFieldValue(field);
    if (object != null) {
        if (object instanceof String) {
            returnVal = (String) object;
        } else if (object instanceof ArrayList) {
            Collection<Object> objects = solrDocument.getFieldValues(field);
            if (objects.size() > 0) {
                returnVal = (String) objects.iterator().next();
            }
        } else {
            returnVal = object.toString();
        }
    }
    return returnVal;
}
 

import org.apache.solr.common.SolrDocument; //導入方法依賴的package包/類
private static String getAnchorTitle(SolrDocument doc, SolrSearchIndex solr) throws SolrServerException {
    String iddocParent = (String) doc.getFieldValue(SolrConstants.IDDOC_PARENT);
    SolrDocumentList hits = solr.search(SolrConstants.IDDOC + ":" + iddocParent);
    if (hits != null && !hits.isEmpty()) {
        return (String) hits.get(0).getFirstValue("MD_TITLE");
    }

    return null;
}
 

import org.apache.solr.common.SolrDocument; //導入方法依賴的package包/類
public String getEarliestRecordDatestamp() throws SolrServerException {
    try {
        String searchStr = SolrConstants.ISWORK + ":true" + getAllSuffixes();

        SolrQuery solrQuery = new SolrQuery(searchStr);
        solrQuery.setRows(1);
        solrQuery.addField(SolrConstants.DATECREATED);
        solrQuery.addSort(SolrConstants.DATECREATED, ORDER.asc);
        QueryResponse resp = server.query(solrQuery);

        if (resp.getResults().size() > 0) {
            SolrDocument doc = resp.getResults().get(0);
            if (doc.getFieldValue(SolrConstants.DATECREATED) != null) {
                Date d = new Date((Long) doc.getFieldValue(SolrConstants.DATECREATED));
                SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");// ;YYYY-MM-DDThh:mm:ssZ
                SimpleDateFormat hours = new SimpleDateFormat("HH:mm:ss");
                format.setTimeZone(TimeZone.getTimeZone("GMT"));
                hours.setTimeZone(TimeZone.getTimeZone("GMT"));
                String yearMonthDay = format.format(d);
                String hourMinuteSeconde = hours.format(d);

                return yearMonthDay + "T" + hourMinuteSeconde + "Z";
            }
        }
    } catch (NullPointerException e) {
        logger.error(e.getMessage(), e);
    }
    return "";
}
 

import org.apache.solr.common.SolrDocument; //導入方法依賴的package包/類
/**
 * 
 * @param doc
 * @return
 */
private String getAnchorTitle(SolrDocument doc) {
    String iddocParent = (String) doc.getFieldValue(SolrConstants.IDDOC_PARENT);
    try {
        SolrDocumentList hits = solr.search(SolrConstants.IDDOC + ":" + iddocParent);
        if (hits != null && !hits.isEmpty()) {
            return (String) hits.get(0).getFirstValue(SolrConstants.TITLE);
        }
    } catch (SolrServerException e) {
        logger.error(e.getMessage(), e);
    }

    return null;
}
 

import org.apache.solr.common.SolrDocument; //導入方法依賴的package包/類
/**
 * @see SolrSearchIndex#search(String,int,int,List,List,Map)
 * @verifies sort results correctly
 */
@Test
public void search_shouldSortResultsCorrectly() throws Exception {
    SolrDocumentList result = DataManager.getInstance().getSearchIndex().search(null, null, null, Metadata.oai_dc.name(), 0, 10, false, null);
    Assert.assertFalse(result.isEmpty());
    long previous = 0;
    for (SolrDocument doc : result) {
        Long dateCreated = (long) doc.getFieldValue(SolrConstants.DATECREATED);
        Assert.assertNotNull(dateCreated);
        Assert.assertTrue(dateCreated > previous);
        previous = dateCreated;
    }
}
 

import org.apache.solr.common.SolrDocument; //導入方法依賴的package包/類
private Object fieldValue2ColumnValue(SolrDocument doc, String fieldName, SqlTypeName targetType)
		throws SolrSqlException {
	Object value = doc.getFieldValue(fieldName);
	if (value == null) {
		return null;
	}
	switch (targetType) {
	case CHAR:
	case VARCHAR:
		return value instanceof String ? value : value.toString();
	case INTEGER:
		return value instanceof Integer ? value : Integer.valueOf(value.toString());
	case BIGINT:
		return value instanceof Long ? value : Long.valueOf(value.toString());
	case FLOAT:
		return value instanceof Float ? value : Float.valueOf(value.toString());
	case DOUBLE:
		return value instanceof Double ? value : Double.valueOf(value.toString());
	case DATE:
		try {
			return value instanceof Date ? value : new SimpleDateFormat("yyyy-mm-dd").parse(value.toString());
		} catch (ParseException e) {
			logger.error(e);
		}
	default:
		throw new SolrSqlException(String.format("unexpected value: %s, type %s required",value,targetType));
	}
}
 

import org.apache.solr.common.SolrDocument; //導入方法依賴的package包/類
/**
 * Integrity check.
 */
public void checkIndex()
{
   try
   {
      SolrQuery query = new SolrQuery("*:*");
      query.setFilterQueries("*");
      query.setStart(0);
      Iterator<SolrDocument> it = solrDao.scroll(query);
      while (it.hasNext())
      {
         SolrDocument doc = it.next();
         Long pid = (Long) doc.get("id");
         Product product = productService.systemGetProduct(pid);
         if (product == null)
         {
            Long id = (Long) doc.getFieldValue("id");
            LOGGER.warn("Removing unknown product " + id + " from solr index");
            try
            {
               solrDao.remove(id);
               // decrease the offset, because a product has been removed
               query.setStart(query.getStart() - 1);
            }
            catch (IOException e)
            {
               LOGGER.error("Cannot remove Solr entry " + id, e);
            }
         }
      }
   }
   catch (IOException|SolrServerException ex)
   {
      LOGGER.error("Cannot check the index", ex);
   }
}
 

import org.apache.solr.common.SolrDocument; //導入方法依賴的package包/類
public static Artifact newArtifactWithVersion(SolrDocument document) {
	String groupId = (String) document.getFieldValue("g");
	String artifactId = (String) document.getFieldValue("a");
	String classifier = null;
	String extension = (String) document.getFieldValue("p");
	String version = (String) document.getFieldValue("v");
	Map<String, String> properties = new HashMap<>();
	properties.put("timestamp", ((Long) document.getFieldValue("timestamp")).toString());
	File file = null;
	return new DefaultArtifact(groupId, artifactId, classifier, extension, version, properties, file);
}
 

import org.apache.solr.common.SolrDocument; //導入方法依賴的package包/類
public static Artifact newArtifactWithLatestVersion(SolrDocument document) {
	String groupId = (String) document.getFieldValue("g");
	String artifactId = (String) document.getFieldValue("a");
	String classifier = null;
	String extension = (String) document.getFieldValue("p");
	String version = (String) document.getFieldValue("latestVersion");
	Map<String, String> properties = new HashMap<>();
	properties.put("timestamp", ((Long) document.getFieldValue("timestamp")).toString());
	File file = null;
	return new DefaultArtifact(groupId, artifactId, classifier, extension, version, properties, file);
}
 

import org.apache.solr.common.SolrDocument; //導入方法依賴的package包/類
/**
 * Prepares the given record for an update. Creation timestamp and representative thumbnail and anchor IDDOC are preserved. A new update timestamp
 * is added, child docs are removed.
 * 
 * @param indexObj {@link IndexObject}
 * @throws IOException
 * @throws SolrServerException
 * @throws FatalIndexerException
 * @should keep creation timestamp
 * @should set update timestamp correctly
 * @should keep representation thumbnail
 * @should keep anchor IDDOC
 * @should delete anchor secondary docs
 */
protected void prepareUpdate(IndexObject indexObj) throws IOException, SolrServerException, FatalIndexerException {
    String pi = indexObj.getPi().trim();
    SolrDocumentList hits = hotfolder.getSolrHelper().search(SolrConstants.PI + ":" + pi, null);
    if (hits != null && hits.getNumFound() > 0) {
        logger.debug("This file has already been indexed, initiating an UPDATE instead...");
        indexObj.setUpdate(true);
        SolrDocument doc = hits.get(0);
        // Set creation timestamp, if exists (should never be updated)
        Object dateCreated = doc.getFieldValue(SolrConstants.DATECREATED);
        if (dateCreated != null) {
            // Set creation timestamp, if exists (should never be updated)
            indexObj.setDateCreated((Long) dateCreated);
        }
        // Set update timestamp
        Collection<Object> dateUpdatedValues = doc.getFieldValues(SolrConstants.DATEUPDATED);
        if (dateUpdatedValues != null) {
            for (Object date : dateUpdatedValues) {
                indexObj.getDateUpdated().add((Long) date);
            }
        }
        // Set previous representation thumbnail, if available
        Object thumbnail = doc.getFieldValue(SolrConstants.THUMBNAILREPRESENT);
        if (thumbnail != null) {
            indexObj.setThumbnailRepresent((String) thumbnail);
        }

        // Recursively delete all children, if not an anchor
        deleteWithPI(pi, false, hotfolder.getSolrHelper());
    }
}
 

import org.apache.solr.common.SolrDocument; //導入方法依賴的package包/類
/***
 * Re-indexes all child records of the given anchor document.
 * 
 * @param indexObj {@link IndexObject}
 * @throws IOException -
 * @throws SolrServerException
 */
private void updateAllAnchorChildren(IndexObject indexObj) throws IOException, SolrServerException {
    logger.debug("Scheduling all METS files that belong to this anchor for re-indexing...");
    SolrDocumentList hits = hotfolder.getSolrHelper().search(new StringBuilder(SolrConstants.PI_PARENT).append(":").append(indexObj.getPi())
            .append(" AND ").append(SolrConstants.ISWORK).append(":true").toString(), null);
    if (hits.isEmpty()) {
        logger.debug("No volume METS files found for this anchor.");
        return;
    }
    for (SolrDocument doc : hits) {
        // Do not use PI here, as older documents might not have that field, use PPN instead
        String pi = doc.getFieldValue(SolrConstants.PI).toString();
        if (doc.getFieldValue(SolrConstants.IDDOC_PARENT) != null && doc.getFieldValue(SolrConstants.IDDOC_PARENT).toString().equals(String
                .valueOf(indexObj.getIddoc()))) {
            logger.debug("{} already has the correct parent, skipping.", pi);
            continue;
        }
        // String indexedMetsFilePath = URLEncoder.encode(Hotfolder.getIndexedMets() + File.separator + pi + AbstractIndexer.XML_EXTENSION, "utf-8");
        String indexedMetsFilePath = dataRepository.getDir(DataRepository.PARAM_INDEXED_METS) + File.separator + pi
                + AbstractIndexer.XML_EXTENSION;
        Path indexedMets = Paths.get(indexedMetsFilePath);
        if (Files.exists(indexedMets)) {
            hotfolder.getReindexQueue().add(indexedMets);
            MetsIndexer.reindexedChildrenFileList.add(indexedMets);
            logger.debug("Added '{}' to reindexedChildrenPiList.", pi);
        }
    }
}
 

import org.apache.solr.common.SolrDocument; //導入方法依賴的package包/類
Header toHeader(SolrDocument doc, Collection<MCROAISetResolver<String, SolrDocument>> setResolver) {
    Date modified = (Date) doc.getFieldValue(getModifiedField());
    String docId = doc.getFieldValue("id").toString();
    Header header = new Header(getObjectManager().getOAIId(docId), modified.toInstant());
    setResolver.parallelStream()
        .map(r -> r.getSets(docId))
        .flatMap(Collection::stream)
        .sorted(this::compare)
        .sequential()
        .forEachOrdered(header.getSetList()::add);
    return header;
}