Java SolrQuery.setRows方法代碼示例

import org.apache.solr.client.solrj.SolrQuery; //導入方法依賴的package包/類
public static void main(String[] args) throws MalformedURLException, SolrServerException {
		String zkHost = "localhost:2181";
		String defaultCollection = "collection1";
		CloudSolrServer solr = new CloudSolrServer(zkHost);
		solr.setDefaultCollection(defaultCollection);
        
/*		ModifiableSolrParams params = new ModifiableSolrParams();
        params.set("q", "cat:electronics");
    	params.set("defType", "edismax");
    	params.set("start", "0");*/
		
		SolrQuery params = new SolrQuery();
		params.setQuery("*:*");
		params.setSort("score ",ORDER.desc);
		params.setStart(Integer.getInteger("0"));
		params.setRows(Integer.getInteger("100"));
		
    

		QueryResponse response = solr.query(params);
		SolrDocumentList results = response.getResults();
		for (int i = 0; i < results.size(); ++i) {
			System.out.println(results.get(i));
		}
	}
 

import org.apache.solr.client.solrj.SolrQuery; //導入方法依賴的package包/類
public static void main(String[] args) throws MalformedURLException, SolrServerException {
		HttpSolrServer solr = new HttpSolrServer("http://localhost:8983/solr");
//		  ModifiableSolrParams params = new ModifiableSolrParams(); 
//        params.setQuery("name:Samsung ");
//        params.setStart(0);
//        params.setRows(100);
		SolrQuery params = new SolrQuery();
		params.setQuery("*:*");
		params.setSort("score ",ORDER.desc);
		params.setStart(Integer.getInteger("0"));
		params.setRows(Integer.getInteger("100"));

		QueryResponse response = solr.query(params);
		SolrDocumentList results = response.getResults();
		for (int i = 0; i < results.size(); ++i) {
			System.out.println(results.get(i));
		}
	}
 

import org.apache.solr.client.solrj.SolrQuery; //導入方法依賴的package包/類
/**
 * searches and returns a list of {@link SolrDocument}
 * 
 * @param from startdate
 * @param until enddate
 * @param set which collection
 * @param metadataPrefix
 * @param firstRow
 * @param numRows
 * @param urnOnly
 * @param querySuffix
 * @return list of hits as {@link SolrDocument}
 * @throws IOException
 * @throws SolrServerException
 */
public SolrDocumentList search(String from, String until, String set, String metadataPrefix, int firstRow, int numRows, boolean urnOnly,
        String querySuffix) throws IOException, SolrServerException {
    StringBuilder sbQuery = new StringBuilder(buildQueryString(from, until, set, metadataPrefix, urnOnly, querySuffix));
    if (urnOnly) {
        sbQuery.append(" AND (").append(SolrConstants.URN).append(":* OR ").append(SolrConstants.IMAGEURN_OAI).append(":*)");
    }
    sbQuery.append(getAllSuffixes());
    logger.debug("OAI query: {}", sbQuery.toString());
    SolrQuery solrQuery = new SolrQuery(sbQuery.toString());
    solrQuery.setStart(firstRow);
    solrQuery.setRows(numRows);
    solrQuery.addSort(SolrConstants.DATECREATED, ORDER.asc);
    QueryResponse resp = server.query(solrQuery);
    logger.debug("Total hits: {}, fetched records {} - {}", resp.getResults().getNumFound(), firstRow, firstRow + resp.getResults().size() - 1);

    return resp.getResults();
}
 

import org.apache.solr.client.solrj.SolrQuery; //導入方法依賴的package包/類
/**
 * 
 * @param identifier
 * @param metadataPrefix
 * @param rows
 * @return
 * @throws SolrServerException
 */
private SolrDocumentList query(final String identifier, String metadataPrefix, int rows) throws SolrServerException {
    String useIdentifier = ClientUtils.escapeQueryChars(identifier);

    StringBuilder sb = new StringBuilder();
    sb.append('(').append(SolrConstants.PI).append(':').append(useIdentifier).append(" OR ").append(SolrConstants.URN).append(':').append(
            useIdentifier).append(" OR ").append(SolrConstants.IMAGEURN).append(':').append(useIdentifier).append(')');
    sb.append(getAllSuffixes());
    logger.debug(sb.toString());
    SolrQuery solrQuery = new SolrQuery(sb.toString());
    solrQuery.setRows(rows);
    QueryResponse resp = server.query(solrQuery);

    //        if (resp.getResults().isEmpty() && Metadata.epicur.name().equals(metadataPrefix)) {
    //            solrQuery = new SolrQuery(new StringBuilder(SolrConstants.IMAGEURN_OAI).append(":").append(identifier).toString());
    //            solrQuery.setRows(rows);
    //            resp = server.query(solrQuery);
    //        }

    return resp.getResults();
}
 

import org.apache.solr.client.solrj.SolrQuery; //導入方法依賴的package包/類
/**
 * Creates a list with all available values for the given field (minus any blacklisted values).
 * 
 * @return
 * @throws SolrServerException
 * @should return all values
 */
public List<String> getSets(String field) throws SolrServerException {
    List<String> ret = new ArrayList<>();

    SolrQuery query = new SolrQuery();
    query.setQuery(field + ":* " + DataManager.getInstance().getConfiguration().getCollectionBlacklistFilterSuffix());
    query.setStart(0);
    query.setRows(0);
    query.addFacetField(field);
    logger.trace("Set query: {}", query.getQuery());
    QueryResponse resp = server.query(query);

    FacetField facetField = resp.getFacetField(field);
    if (facetField != null) {
        for (Count count : facetField.getValues()) {
            if (count.getCount() == 0) {
                continue;
            }
            ret.add(count.getName());
        }
    }

    Collections.sort(ret);
    logger.trace("{} terms found for {}", ret.size(), field);
    return ret;
}
 

import org.apache.solr.client.solrj.SolrQuery; //導入方法依賴的package包/類
/**
 * 
 * @param params
 * @param urnOnly
 * @param querySuffix
 * @return size of search
 * @throws IOException
 * @throws SolrServerException
 */
public long getTotalHitNumber(Map<String, String> params, boolean urnOnly, String querySuffix) throws IOException, SolrServerException {
    StringBuilder sbQuery = new StringBuilder(buildQueryString(params.get("from"), params.get("until"), params.get("set"), params.get(
            "metadataPrefix"), urnOnly, querySuffix));
    if (urnOnly) {
        sbQuery.append(" AND (").append(SolrConstants.URN).append(":* OR ").append(SolrConstants.IMAGEURN_OAI).append(":*)");
    }
    sbQuery.append(getAllSuffixes());
    logger.debug("OAI query: {}", sbQuery.toString());
    SolrQuery solrQuery = new SolrQuery(sbQuery.toString());
    solrQuery.setStart(0);
    solrQuery.setRows(0);
    solrQuery.addSort(SolrConstants.DATECREATED, ORDER.asc);
    QueryResponse resp = server.query(solrQuery);

    long num = resp.getResults().getNumFound();
    logger.debug("Total hits: {}", num);
    return num;
}
 

import org.apache.solr.client.solrj.SolrQuery; //導入方法依賴的package包/類
/**
 * 
 * @param pi
 * @return The name of the data repository currently used for the record with the given PI; "?" if the record is indexed, but not in a repository;
 *         null if the record is not in the index
 * @throws SolrServerException
 * @should find correct data repository for record
 */
public String findCurrentDataRepository(String pi) throws SolrServerException {
    SolrQuery solrQuery = new SolrQuery(SolrConstants.PI + ":" + pi);
    solrQuery.setRows(1);
    solrQuery.setFields(SolrConstants.DATAREPOSITORY);
    QueryResponse resp = server.query(solrQuery);

    if (!resp.getResults().isEmpty()) {
        if (resp.getResults().get(0).getFieldValue(SolrConstants.DATAREPOSITORY) != null) {
            return (String) resp.getResults().get(0).getFieldValue(SolrConstants.DATAREPOSITORY);
        }
        return "?";
    }

    return null;
}
 

import org.apache.solr.client.solrj.SolrQuery; //導入方法依賴的package包/類
@Override
protected QueryRequest buildSolrRequest(ComponentConfiguration conf, Template intent, Conversation conversation, long offset, int pageSize, MultiValueMap<String, String> queryParams) {
    final ConversationMltQuery mltQuery = buildQuery(conf, intent, conversation);
    if (mltQuery == null) {
        return null;
    }

    final SolrQuery solrQuery = new SolrQuery();
    solrQuery.addField("*").addField("score");
    solrQuery.addFilterQuery(String.format("%s:%s", FIELD_TYPE, TYPE_MESSAGE));
    solrQuery.addFilterQuery(String.format("%s:0",FIELD_MESSAGE_IDX));
    solrQuery.addSort("score", SolrQuery.ORDER.desc).addSort(FIELD_VOTE, SolrQuery.ORDER.desc);

    // #39 - paging
    solrQuery.setStart((int) offset);
    solrQuery.setRows(pageSize);

    //since #46 the client field is used to filter for the current user
    addClientFilter(solrQuery, conversation);

    addPropertyFilters(solrQuery, conversation, conf);

    return new ConversationMltRequest(solrQuery, mltQuery.getContent());

}
 

import org.apache.solr.client.solrj.SolrQuery; //導入方法依賴的package包/類
@Override
protected QueryRequest buildSolrRequest(ComponentConfiguration conf, Template intent, Conversation conversation, long offset, int pageSize, MultiValueMap<String, String> queryParams) {
    final ConversationSearchQuery searchQuery = buildQuery(conf, intent, conversation);
    if (searchQuery == null) {
        return null;
    }

    // TODO: build the real request.
    final SolrQuery solrQuery = new SolrQuery(searchQuery.getKeyword().stream().reduce((s, s2) -> s + " OR " + s2).orElse("*:*"));
    solrQuery.addField("*").addField("score");
    solrQuery.set(CommonParams.DF, "text");
    solrQuery.addFilterQuery(String.format("%s:%s",FIELD_TYPE, TYPE_MESSAGE));
    solrQuery.addSort("score", SolrQuery.ORDER.desc).addSort("vote", SolrQuery.ORDER.desc);

    // #39 - paging
    solrQuery.setStart((int) offset);
    solrQuery.setRows(pageSize);

    //since #46 the client field is used to filter for the current user
    addClientFilter(solrQuery, conversation);

    addPropertyFilters(solrQuery, conversation, conf);
    
    return new QueryRequest(solrQuery);
}
 

import org.apache.solr.client.solrj.SolrQuery; //導入方法依賴的package包/類
public long getDatasetCount() throws SearchException{
    SolrQuery solrQuery = new SolrQuery();
    solrQuery.setQuery("*:*");
    solrQuery.setFilterQueries(SearchFields.TYPE+":datasets",
            SearchFields.PUBLICATION_STATUS+":Published");
    solrQuery.setStart(0);
    solrQuery.setRows(0);
    QueryResponse queryResponse = null;
    try {
        queryResponse = solrServer.query(solrQuery);
        return queryResponse.getResults().getNumFound();
    } catch (HttpSolrServer.RemoteSolrException | SolrServerException ex) {  
        logger.log(Level.INFO, null, ex);
        throw new SearchException("Internal Dataverse Search Engine Error", ex);
    }
}
 

import org.apache.solr.client.solrj.SolrQuery; //導入方法依賴的package包/類
public long getDataverseCount() throws SearchException{
    SolrQuery solrQuery = new SolrQuery();
    solrQuery.setQuery("*:*");
    solrQuery.setFilterQueries(SearchFields.TYPE+":dataverses",
            SearchFields.PUBLICATION_STATUS+":Published");
    solrQuery.setStart(0);
    solrQuery.setRows(0);
    QueryResponse queryResponse = null;
    try {
        queryResponse = solrServer.query(solrQuery);
        return queryResponse.getResults().getNumFound();
    } catch (HttpSolrServer.RemoteSolrException | SolrServerException ex) {  
        logger.log(Level.INFO, null, ex);
        throw new SearchException("Internal Dataverse Search Engine Error", ex);
    }
}
 

import org.apache.solr.client.solrj.SolrQuery; //導入方法依賴的package包/類
@Override
public Optional<Header> getHeader(String mcrId) {
    SolrQuery query = getBaseQuery(CommonParams.FQ);
    query.set(CommonParams.Q, "id:" + MCRSolrUtils.escapeSearchValue(mcrId));
    query.setRows(1);
    // do the query
    SolrClient solrClient = MCRSolrClientFactory.getSolrClient();
    try {
        QueryResponse response = solrClient.query(query);
        SolrDocumentList results = response.getResults();
        if (!results.isEmpty()) {
            return Optional.of(toHeader(results.get(0), getSetResolver(results)));
        }
    } catch (Exception exc) {
        LOGGER.error("Unable to handle solr request", exc);
    }
    return Optional.empty();
}
 

import org.apache.solr.client.solrj.SolrQuery; //導入方法依賴的package包/類
private SolrQuery getQuery() {
    SolrQuery solrQuery = new SolrQuery();
    MCRConfiguration config = MCRConfiguration.instance();
    // query
    String idQuery = getResult().stream()
        .map(getIdentifier())
        .map(MCRSolrUtils::escapeSearchValue)
        .collect(Collectors.joining(" OR ", "id:(", ")"));
    solrQuery.setQuery(idQuery);
    solrQuery.setFilterQueries(query);
    solrQuery.setFields("id");
    solrQuery.setRows(getResult().size());
    // request handler
    solrQuery.setRequestHandler(config.getString(getConfigPrefix() + "Search.RequestHandler", "/select"));
    return solrQuery;
}
 

import org.apache.solr.client.solrj.SolrQuery; //導入方法依賴的package包/類
/**
 * The method computes the number of sitemap files. If we have less than
 * <em>numberOfURLs</em> URLs and only one MyCoRe type the sitemap_google.xml
 * contained all URLs. Otherwise it split the sitemap in an sitemap_google.xml
 * index file and a lot of sitemap_google_xxxx.xml URL files.
 *
 * @return the number of files, one for a single sitemap_google.xml file, more than
 *         one for the index and all parts.
 *
 */
protected final int checkSitemapFile() throws IOException {
    int number = 0;
    QueryResponse response;
    SolrQuery query = new SolrQuery();
    query.setQuery(SOLR_QUERY);
    query.setRows(Integer.MAX_VALUE);
    query.setParam("fl", "id,modified");

    try {
        response = MCRSolrClientFactory.getSolrClient().query(query);
        objidlist = response.getResults().stream().map((document) -> {
            String id = (String) document.getFieldValue("id");
            Date modified = (Date) document.getFieldValue("modified");

            return new MCRObjectIDDateImpl(modified, id);
        }).collect(Collectors.toList());

    } catch (SolrServerException e) {
        LOGGER.error(e);
    }
    number = objidlist.size() / numberOfURLs;
    if (objidlist.size() % numberOfURLs != 0)
        number++;
    return number;
}
 

import org.apache.solr.client.solrj.SolrQuery; //導入方法依賴的package包/類
@Override
public long getCount() throws SwordServerException {
    try {
        // make a copy to prevent multi threading issues
        final SolrQuery queryCopy = this.solrQuery.getCopy();

        // only need the numFound
        queryCopy.setStart(0);
        queryCopy.setRows(0);
        final QueryResponse queryResponse = MCRSolrClientFactory.getSolrClient().query(queryCopy);

        return queryResponse.getResults().getNumFound();
    } catch (SolrServerException | IOException e) {
        throw new SwordServerException(
            "Error while getting count with MCRSword2SolrObjectIDSupplier and Query: " + this.solrQuery,
            e);
    }
}