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

Introduction

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

Prototype

public String getRequestHandler() 

Source Link

Usage

From source file:com.nridge.ds.solr.SolrDS.java

License:Open Source License

/**
 * Returns a <i>Document</i> representation of all documents
 * fetched from the underlying content source (using a wildcard
 * criteria)./* w ww . java 2 s  .  com*/
 * <p>
 * <b>Note:</b> Depending on the size of the content source
 * behind this data source, this method could consume large
 * amounts of heap memory.  Therefore, it should only be
 * used when the number of column and rows is known to be
 * small in size.
 * </p>
 *
 * @return Document hierarchy representing all documents in
 * the content source.
 *
 * @throws com.nridge.core.base.ds.DSException Data source related exception.
 */
@Override
public Document fetch() throws DSException {
    Document solrDocument;
    Logger appLogger = mAppMgr.getLogger(this, "fetch");

    appLogger.trace(mAppMgr.LOGMSG_TRACE_ENTER);

    initialize();

    DSCriteria dsCriteria = new DSCriteria("Solr Query");
    dsCriteria.add(Solr.FIELD_QUERY_NAME, Field.Operator.EQUAL, Solr.QUERY_ALL_DOCUMENTS);

    SolrQuery solrQuery = mSolrQueryBuilder.create(dsCriteria);
    solrQuery.setStart(Solr.QUERY_OFFSET_DEFAULT);
    solrQuery.setRows(Solr.QUERY_PAGESIZE_DEFAULT);

    appLogger.debug(String.format("%s: %s %s", dsCriteria.getName(), mSolrIdentity, solrQuery.toString()));

    SolrResponseBuilder solrResponseBuilder = createResponseBuilder();
    QueryResponse queryResponse = queryExecute(solrQuery);
    solrDocument = solrResponseBuilder.extract(queryResponse);
    DataBag headerBag = Solr.getHeader(solrDocument);
    if (headerBag != null)
        headerBag.setValueByName("collection_name", getCollectionName());
    String requestHandler = solrQuery.getRequestHandler();
    solrResponseBuilder.updateHeader(mBaseSolrURL, solrQuery.getQuery(), requestHandler, solrQuery.getStart(),
            solrQuery.getRows());

    appLogger.trace(mAppMgr.LOGMSG_TRACE_DEPART);

    return solrDocument;
}

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From source file:com.nridge.ds.solr.SolrDS.java

License:Open Source License

/**
 * Returns a <i>Document</i> representation of the documents
 * that match the <i>DSCriteria</i> specified in the parameter.
 * <p>//from   ww w .  j a  v a  2  s.com
 * <b>Note:</b> Depending on the size of the content source
 * behind this data source and the criteria specified, this
 * method could consume large amounts of heap memory.
 * Therefore, the developer is encouraged to use the alternative
 * method for fetch where an offset and limit parameter can be
 * specified.
 * </p>
 *
 * @param aDSCriteria Data source criteria.
 *
 * @return Document hierarchy representing all documents that
 * match the criteria in the content source.
 *
 * @throws com.nridge.core.base.ds.DSException Data source related exception.
 *
 *  @see <a href="http://lucene.apache.org/solr/guide/7_6/common-query-parameters.html">Solr Common Query Parametersr</a>
 *    @see <a href="https://lucene.apache.org/solr/guide/7_6/the-standard-query-parser.html">Solr Standard Query Parserr</a>
 */
@Override
public Document fetch(DSCriteria aDSCriteria) throws DSException {
    Document solrDocument;
    Logger appLogger = mAppMgr.getLogger(this, "fetch");

    appLogger.trace(mAppMgr.LOGMSG_TRACE_ENTER);

    initialize();

    SolrQuery solrQuery = mSolrQueryBuilder.create(aDSCriteria);

    appLogger.debug(String.format("%s: %s %s", aDSCriteria.getName(), mSolrIdentity, solrQuery.toString()));

    SolrResponseBuilder solrResponseBuilder = createResponseBuilder();
    QueryResponse queryResponse = queryExecute(solrQuery);
    solrDocument = solrResponseBuilder.extract(queryResponse);
    DataBag headerBag = Solr.getHeader(solrDocument);
    if (headerBag != null)
        headerBag.setValueByName("collection_name", getCollectionName());
    String requestHandler = solrQuery.getRequestHandler();
    Integer startPosition = solrQuery.getStart();
    if (startPosition == null)
        startPosition = Solr.QUERY_OFFSET_DEFAULT;
    Integer totalRows = solrQuery.getRows();
    if (totalRows == null)
        totalRows = Solr.QUERY_PAGESIZE_DEFAULT;
    solrResponseBuilder.updateHeader(mBaseSolrURL, solrQuery.getQuery(), requestHandler, startPosition,
            totalRows);
    if (Solr.isCriteriaParentChild(aDSCriteria)) {
        SolrParentChild solrParentChild = new SolrParentChild(mAppMgr, this);
        solrParentChild.expand(solrDocument, aDSCriteria);
    }

    appLogger.trace(mAppMgr.LOGMSG_TRACE_DEPART);

    return solrDocument;
}

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From source file:com.nridge.ds.solr.SolrDS.java

License:Open Source License

/**
 * Returns a <i>Document</i> representation of the documents
 * that match the <i>DSCriteria</i> specified in the parameter.
 * In addition, this method offers a paging mechanism where the
 * starting offset and a fetch limit can be applied to each
 * content fetch query./* w  ww  .j  av a  2 s  . com*/
 *
 * @param aDSCriteria Data source criteria.
 * @param anOffset    Starting offset into the matching content rows.
 * @param aLimit      Limit on the total number of rows to extract from
 *                    the content source during this fetch operation.
 *
 * @return Document hierarchy representing all documents that
 * match the criteria in the content source. (based on the offset
 * and limit values).
 *
 * @throws com.nridge.core.base.ds.DSException Data source related exception.
 *
 *  @see <a href="http://lucene.apache.org/solr/guide/7_6/common-query-parameters.html">Solr Common Query Parametersr</a>
 *    @see <a href="https://lucene.apache.org/solr/guide/7_6/the-standard-query-parser.html">Solr Standard Query Parserr</a>
 */
@Override
public Document fetch(DSCriteria aDSCriteria, int anOffset, int aLimit) throws DSException {
    Document solrDocument;
    Logger appLogger = mAppMgr.getLogger(this, "fetch");

    appLogger.trace(mAppMgr.LOGMSG_TRACE_ENTER);

    initialize();

    SolrQuery solrQuery = mSolrQueryBuilder.create(aDSCriteria);
    solrQuery.setStart(anOffset);
    solrQuery.setRows(aLimit);

    appLogger.debug(String.format("%s: %s %s", aDSCriteria.getName(), mSolrIdentity, solrQuery.toString()));

    SolrResponseBuilder solrResponseBuilder = createResponseBuilder();
    QueryResponse queryResponse = queryExecute(solrQuery);
    solrDocument = solrResponseBuilder.extract(queryResponse, anOffset, aLimit);
    DataBag headerBag = Solr.getHeader(solrDocument);
    if (headerBag != null)
        headerBag.setValueByName("collection_name", getCollectionName());
    String requestHandler = solrQuery.getRequestHandler();
    solrResponseBuilder.updateHeader(mBaseSolrURL, solrQuery.getQuery(), requestHandler, anOffset, aLimit);
    if (Solr.isCriteriaParentChild(aDSCriteria)) {
        SolrParentChild solrParentChild = new SolrParentChild(mAppMgr, this);
        solrParentChild.expand(solrDocument, aDSCriteria);
    }

    appLogger.trace(mAppMgr.LOGMSG_TRACE_DEPART);

    return solrDocument;
}

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From source file:uk.co.flax.biosolr.ontology.search.solr.SolrSearchEngine.java

License:Apache License

protected String getQueryUrl(SolrQuery query, String baseUrl) {
    StringBuilder queryUrl = new StringBuilder(baseUrl);
    if (StringUtils.isBlank(query.getRequestHandler())) {
        queryUrl.append("/select");
    } else {//from   w  w w  .ja  v a  2 s.c o  m
        queryUrl.append(query.getRequestHandler());
    }
    queryUrl.append(ClientUtils.toQueryString(query, false));

    return queryUrl.toString();
}

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