Example usage for org.apache.solr.client.solrj SolrQuery size

Introduction

In this page you can find the example usage for org.apache.solr.client.solrj SolrQuery size.

Prototype

public int size() 

Source Link

Usage

From source file:com.ibm.watson.developer_cloud.professor_languo.ingestion.RankerCreationUtil.java

License:Open Source License

/**
 * Retrieve a {@link CandidateAnswer} with its {@code threadPostId} by querying the /select
 * endpoint with query THREAD_POST_ID:x//ww  w.  j  a  va 2s . c  o m
 * 
 * @param searcher An initialized {@link RetrieveAndRankSearcher}
 * @param threadPostId The THREAD_POST_ID of the answer thread
 * @return
 * @throws IOException
 * @throws IngestionException
 */
public static CandidateAnswer getCandidateAnswerById(RetrieveAndRankSearcher searcher, String threadPostId)
        throws IOException, IngestionException {

    CandidateAnswer answer = null;
    try {
        SolrQuery featureSolrQuery = new SolrQuery(
                RetrieveAndRankSearcherConstants.ID_FIELD + ":" + threadPostId);

        // specify the request handler for the feature query
        featureSolrQuery.setRequestHandler(RetrieveAndRankSearcherConstants.SELECT_REQUEST_HANDLER);

        // We expect only one response since THREAD_POST_ID is a unique key
        if (featureSolrQuery.size() != 1) {
            throw new IngestionException(threadPostId);
        }
        featureSolrQuery.setRows(1);
        final QueryRequest featureRequest = new QueryRequest(featureSolrQuery);

        QueryResponse featureResponse = null;

        featureResponse = searcher.processSolrRequest(featureRequest);
        for (SolrDocument doc : featureResponse.getResults()) {
            byte[] bin = (byte[]) doc.getFieldValue(IndexDocumentFieldName.SERIALIZED_THREAD.toString());
            answer = StackExchangeThreadSerializer.deserializeThreadFromBinArr(bin);
        }
    } catch (IOException | SolrServerException | InterruptedException e) {
        logger.error(e.getMessage());
    }
    return answer;
}

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