dariah / mtas

MtasSolrComponentJoin.java.html 10.3 KB
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<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml" lang="en"><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8"/><link rel="stylesheet" href="../jacoco-resources/report.css" type="text/css"/><link rel="shortcut icon" href="../jacoco-resources/report.gif" type="image/gif"/><title>MtasSolrComponentJoin.java</title><link rel="stylesheet" href="../jacoco-resources/prettify.css" type="text/css"/><script type="text/javascript" src="../jacoco-resources/prettify.js"></script></head><body onload="window['PR_TAB_WIDTH']=4;prettyPrint()"><div class="breadcrumb" id="breadcrumb"><span class="info"><a href="../jacoco-sessions.html" class="el_session">Sessions</a></span><a href="../index.html" class="el_report">MTAS</a> &gt; <a href="index.source.html" class="el_package">mtas.solr.handler.component.util</a> &gt; <span class="el_source">MtasSolrComponentJoin.java</span></div><h1>MtasSolrComponentJoin.java</h1><pre class="source lang-java linenums">package mtas.solr.handler.component.util;

import java.io.IOException;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Set;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.solr.common.util.NamedList;
import org.apache.solr.common.util.SimpleOrderedMap;
import org.apache.solr.handler.component.ResponseBuilder;
import org.apache.solr.handler.component.SearchComponent;
import org.apache.solr.handler.component.ShardRequest;
import org.apache.solr.handler.component.ShardResponse;

import mtas.codec.util.CodecComponent.ComponentFields;
import mtas.codec.util.CodecComponent.ComponentJoin;
import mtas.solr.handler.component.MtasSolrSearchComponent;

/**
 * The Class MtasSolrComponentJoin.
 */
@SuppressWarnings(&quot;deprecation&quot;)
public class MtasSolrComponentJoin implements MtasSolrComponent&lt;ComponentJoin&gt; {

  /** The Constant log. */
<span class="fc" id="L28">  private static final Log log = LogFactory.getLog(MtasSolrComponentJoin.class);</span>

  /** The Constant PARAM_MTAS_JOIN. */
  public static final String PARAM_MTAS_JOIN = MtasSolrSearchComponent.PARAM_MTAS
      + &quot;.join&quot;;

  /** The Constant NAME_MTAS_JOIN_FIELD. */
  public static final String NAME_MTAS_JOIN_FIELD = &quot;field&quot;;

  /**
   * Instantiates a new mtas solr component join.
   *
   * @param searchComponent the search component
   */
<span class="fc" id="L42">  public MtasSolrComponentJoin(MtasSolrSearchComponent searchComponent) {</span>
<span class="fc" id="L43">  }</span>

  /*
   * (non-Javadoc)
   * 
   * @see
   * mtas.solr.handler.component.util.MtasSolrComponent#prepare(org.apache.solr.
   * handler.component.ResponseBuilder,
   * mtas.codec.util.CodecComponent.ComponentFields)
   */
  public void prepare(ResponseBuilder rb, ComponentFields mtasFields)
      throws IOException {
<span class="nc bnc" id="L55" title="All 2 branches missed.">    if (rb.req.getParams().get(PARAM_MTAS_JOIN + &quot;.&quot; + NAME_MTAS_JOIN_FIELD,</span>
        null) != null) {
<span class="nc" id="L57">      Set&lt;String&gt; fields = new HashSet&lt;&gt;(Arrays.asList(rb.req.getParams()</span>
<span class="nc" id="L58">          .get(PARAM_MTAS_JOIN + &quot;.&quot; + NAME_MTAS_JOIN_FIELD).split(&quot;,&quot;)));</span>
<span class="nc" id="L59">      String key = createKeyFromRequest(rb);</span>
<span class="nc" id="L60">      mtasFields.doJoin = true;</span>
<span class="nc" id="L61">      mtasFields.join = new ComponentJoin(fields, key);</span>
<span class="nc" id="L62">      rb.setNeedDocSet(true);</span>
    }

<span class="nc" id="L65">  }</span>

  /*
   * (non-Javadoc)
   * 
   * @see
   * mtas.solr.handler.component.util.MtasSolrComponent#modifyRequest(org.apache
   * .solr.handler.component.ResponseBuilder,
   * org.apache.solr.handler.component.SearchComponent,
   * org.apache.solr.handler.component.ShardRequest)
   */
  public void modifyRequest(ResponseBuilder rb, SearchComponent who,
      ShardRequest sreq) {
<span class="nc bnc" id="L78" title="All 2 branches missed.">    if (sreq.params.getBool(MtasSolrSearchComponent.PARAM_MTAS, false)</span>
<span class="nc bnc" id="L79" title="All 2 branches missed.">        &amp;&amp; sreq.params.getBool(PARAM_MTAS_JOIN, false)) {</span>
<span class="nc bnc" id="L80" title="All 2 branches missed.">      if ((sreq.purpose &amp; ShardRequest.PURPOSE_GET_TOP_IDS) != 0) {</span>
        // do nothing
      } else {
        // remove for other requests
<span class="nc" id="L84">        Set&lt;String&gt; keys = MtasSolrResultUtil</span>
<span class="nc" id="L85">            .getIdsFromParameters(rb.req.getParams(), PARAM_MTAS_JOIN);</span>
<span class="nc" id="L86">        sreq.params.remove(PARAM_MTAS_JOIN);</span>
<span class="nc bnc" id="L87" title="All 2 branches missed.">        for (String key : keys) {</span>
<span class="nc" id="L88">          sreq.params.remove(PARAM_MTAS_JOIN + &quot;.&quot; + key);</span>
<span class="nc" id="L89">        }</span>
      }
    }
<span class="nc" id="L92">  }</span>

  /*
   * (non-Javadoc)
   * 
   * @see
   * mtas.solr.handler.component.util.MtasSolrComponent#create(mtas.codec.util.
   * CodecComponent.BasicComponent, java.lang.Boolean)
   */
  public SimpleOrderedMap&lt;Object&gt; create(ComponentJoin join, Boolean encode)
      throws IOException {
<span class="nc" id="L103">    MtasSolrJoinResult data = new MtasSolrJoinResult(join);</span>
<span class="nc" id="L104">    SimpleOrderedMap&lt;Object&gt; mtasJoinResponse = new SimpleOrderedMap&lt;&gt;();</span>
<span class="nc bnc" id="L105" title="All 2 branches missed.">    if (encode) {</span>
<span class="nc" id="L106">      mtasJoinResponse.add(&quot;_encoded_data&quot;, MtasSolrResultUtil.encode(data));</span>
    } else {
<span class="nc" id="L108">      mtasJoinResponse.add(&quot;data&quot;, data.rewrite());</span>
    }
<span class="nc" id="L110">    return mtasJoinResponse;</span>
  }

  /*
   * (non-Javadoc)
   * 
   * @see
   * mtas.solr.handler.component.util.MtasSolrComponent#finishStage(org.apache.
   * solr.handler.component.ResponseBuilder)
   */
  @SuppressWarnings(&quot;unchecked&quot;)
  public void finishStage(ResponseBuilder rb) {
<span class="nc bnc" id="L122" title="All 4 branches missed.">    if (rb.req.getParams().getBool(MtasSolrSearchComponent.PARAM_MTAS, false)</span>
        &amp;&amp; rb.stage == MtasSolrSearchComponent.STAGE_JOIN) {
<span class="nc bnc" id="L124" title="All 2 branches missed.">      for (ShardRequest sreq : rb.finished) {</span>
<span class="nc bnc" id="L125" title="All 2 branches missed.">        if (sreq.params.getBool(MtasSolrSearchComponent.PARAM_MTAS, false)</span>
<span class="nc bnc" id="L126" title="All 2 branches missed.">            &amp;&amp; sreq.params.getBool(PARAM_MTAS_JOIN, false)) {</span>
<span class="nc bnc" id="L127" title="All 2 branches missed.">          for (ShardResponse shardResponse : sreq.responses) {</span>
<span class="nc" id="L128">            NamedList&lt;Object&gt; response = shardResponse.getSolrResponse()</span>
<span class="nc" id="L129">                .getResponse();</span>
            try {
<span class="nc" id="L131">              Object data = response.findRecursive(&quot;mtas&quot;, &quot;join&quot;);</span>
<span class="nc bnc" id="L132" title="All 4 branches missed.">              if (data != null &amp;&amp; data instanceof String) {</span>
<span class="nc" id="L133">                NamedList&lt;Object&gt; mtasResponse = (NamedList&lt;Object&gt;) response</span>
<span class="nc" id="L134">                    .get(&quot;mtas&quot;);</span>
<span class="nc" id="L135">                mtasResponse.remove(&quot;join&quot;);</span>
<span class="nc" id="L136">                mtasResponse.add(&quot;join&quot;,</span>
<span class="nc" id="L137">                    MtasSolrResultUtil.decode((String) data));</span>
              }
<span class="nc" id="L139">            } catch (ClassCastException e) {</span>
<span class="nc" id="L140">              log.debug(e);</span>
              // shouldn't happen
<span class="nc" id="L142">            }</span>
<span class="nc" id="L143">          }</span>
        }
<span class="nc" id="L145">      }</span>
    }
<span class="nc" id="L147">  }</span>

  /*
   * (non-Javadoc)
   * 
   * @see
   * mtas.solr.handler.component.util.MtasSolrComponent#distributedProcess(org.
   * apache.solr.handler.component.ResponseBuilder,
   * mtas.codec.util.CodecComponent.ComponentFields)
   */
  @SuppressWarnings(&quot;unchecked&quot;)
  public void distributedProcess(ResponseBuilder rb, ComponentFields mtasFields)
      throws IOException {
    // rewrite
<span class="nc" id="L161">    NamedList&lt;Object&gt; mtasResponse = null;</span>
    try {
<span class="nc" id="L163">      mtasResponse = (NamedList&lt;Object&gt;) rb.rsp.getValues().get(&quot;mtas&quot;);</span>
<span class="nc" id="L164">    } catch (ClassCastException e) {</span>
<span class="nc" id="L165">      log.debug(e);</span>
<span class="nc" id="L166">      mtasResponse = null;</span>
<span class="nc" id="L167">    }</span>
<span class="nc bnc" id="L168" title="All 2 branches missed.">    if (mtasResponse != null) {</span>
      MtasSolrJoinResult mtasSolrJoinResult;
      try {
<span class="nc" id="L171">        mtasSolrJoinResult = (MtasSolrJoinResult) mtasResponse.get(&quot;join&quot;);</span>
<span class="nc bnc" id="L172" title="All 2 branches missed.">        if (mtasSolrJoinResult != null) {</span>
<span class="nc" id="L173">          mtasResponse.removeAll(&quot;join&quot;);</span>
<span class="nc" id="L174">          mtasResponse.add(&quot;join&quot;, mtasSolrJoinResult.rewrite());</span>
        }
<span class="nc" id="L176">      } catch (ClassCastException e) {</span>
<span class="nc" id="L177">        log.debug(e);</span>
<span class="nc" id="L178">        mtasResponse.remove(&quot;join&quot;);</span>
<span class="nc" id="L179">      }</span>
    }
<span class="nc" id="L181">  }</span>

  /**
   * Creates the key from request.
   *
   * @param rb the rb
   * @return the string
   */
  private String createKeyFromRequest(ResponseBuilder rb) {
<span class="nc" id="L190">    return rb.req.getParams().toQueryString();</span>
  }

}
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