MtasSpanUniquePositionQuery.java.html 8 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>MtasSpanUniquePositionQuery.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.search.spans.util</a> &gt; <span class="el_source">MtasSpanUniquePositionQuery.java</span></div><h1>MtasSpanUniquePositionQuery.java</h1><pre class="source lang-java linenums">package mtas.search.spans.util;

import java.io.IOException;
import java.util.Map;
import java.util.Set;

import org.apache.lucene.index.IndexReader;
import org.apache.lucene.index.LeafReaderContext;
import org.apache.lucene.index.Term;
import org.apache.lucene.index.TermContext;
import org.apache.lucene.search.IndexSearcher;
import org.apache.lucene.search.spans.SpanWeight;
import org.apache.lucene.search.spans.Spans;

/**
 * The Class MtasSpanUniquePositionQuery.
 */
public class MtasSpanUniquePositionQuery extends MtasSpanQuery {

  /** The clause. */
  private MtasSpanQuery clause;

  /** The field. */
  private String field;

  /**
   * Instantiates a new mtas span unique position query.
   *
   * @param clause the clause
   */
  public MtasSpanUniquePositionQuery(MtasSpanQuery clause) {
<span class="fc" id="L32">    super(clause.getMinimumWidth(), clause.getMaximumWidth());</span>
<span class="fc" id="L33">    field = clause.getField();</span>
<span class="fc" id="L34">    this.clause = clause;</span>
<span class="fc" id="L35">  }</span>

  /**
   * Gets the clause.
   *
   * @return the clause
   */
  public MtasSpanQuery getClause() {
<span class="nc" id="L43">    return clause;</span>
  }

  /*
   * (non-Javadoc)
   *
   * @see org.apache.lucene.search.spans.SpanQuery#getField()
   */
  @Override
  public String getField() {
<span class="fc" id="L53">    return field;</span>
  }

  /*
   * (non-Javadoc)
   *
   * @see org.apache.lucene.search.Query#equals(java.lang.Object)
   */
  @Override
  public boolean equals(Object obj) {
<span class="fc bfc" id="L63" title="All 2 branches covered.">    if (this == obj)</span>
<span class="fc" id="L64">      return true;</span>
<span class="pc bpc" id="L65" title="1 of 2 branches missed.">    if (obj == null)</span>
<span class="nc" id="L66">      return false;</span>
<span class="pc bpc" id="L67" title="1 of 2 branches missed.">    if (getClass() != obj.getClass())</span>
<span class="nc" id="L68">      return false;</span>
<span class="fc" id="L69">    final MtasSpanUniquePositionQuery that = (MtasSpanUniquePositionQuery) obj;</span>
<span class="fc" id="L70">    return clause.equals(that.clause);</span>
  }

  /*
   * (non-Javadoc)
   *
   * @see org.apache.lucene.search.Query#hashCode()
   */
  @Override
  public int hashCode() {
<span class="fc" id="L80">    int h = this.getClass().getSimpleName().hashCode();</span>
<span class="fc" id="L81">    h = (h * 7) ^ clause.hashCode();</span>
<span class="fc" id="L82">    return h;</span>
  }

  /*
   * (non-Javadoc)
   *
   * @see org.apache.lucene.search.Query#toString(java.lang.String)
   */
  @Override
  public String toString(String field) {
<span class="nc" id="L92">    StringBuilder buffer = new StringBuilder();</span>
<span class="nc" id="L93">    buffer.append(this.getClass().getSimpleName() + &quot;([&quot;);</span>
<span class="nc" id="L94">    buffer.append(clause.toString(field));</span>
<span class="nc" id="L95">    buffer.append(&quot;])&quot;);</span>
<span class="nc" id="L96">    return buffer.toString();</span>
  }

  /*
   * (non-Javadoc)
   *
   * @see mtas.search.spans.util.MtasSpanQuery#rewrite(org.apache.lucene.index.
   * IndexReader)
   */
  @Override
  public MtasSpanQuery rewrite(IndexReader reader) throws IOException {
<span class="fc" id="L107">    MtasSpanQuery newClause = clause.rewrite(reader);</span>
<span class="fc bfc" id="L108" title="All 2 branches covered.">    if (!newClause.equals(clause)) {</span>
<span class="fc" id="L109">      return new MtasSpanUniquePositionQuery(newClause).rewrite(reader);</span>
    } else {
<span class="fc" id="L111">      return super.rewrite(reader);</span>
    }
  }

  /*
   * (non-Javadoc)
   *
   * @see
   * org.apache.lucene.search.spans.SpanQuery#createWeight(org.apache.lucene.
   * search.IndexSearcher, boolean)
   */
  @Override
  public MtasSpanWeight createWeight(IndexSearcher searcher,
      boolean needsScores) throws IOException {
<span class="fc" id="L125">    SpanWeight subWeight = clause.createWeight(searcher, false);</span>
<span class="fc bfc" id="L126" title="All 2 branches covered.">    return new SpanUniquePositionWeight(subWeight, searcher,</span>
<span class="fc" id="L127">        needsScores ? getTermContexts(subWeight) : null);</span>
  }

  /*
   * (non-Javadoc)
   *
   * @see mtas.search.spans.util.MtasSpanQuery#disableTwoPhaseIterator()
   */
  @Override
  public void disableTwoPhaseIterator() {
<span class="fc" id="L137">    super.disableTwoPhaseIterator();</span>
<span class="fc" id="L138">    clause.disableTwoPhaseIterator();</span>
<span class="fc" id="L139">  }</span>

  /**
   * The Class SpanUniquePositionWeight.
   */
  public class SpanUniquePositionWeight extends MtasSpanWeight {

    /** The sub weight. */
    final SpanWeight subWeight;

    /**
     * Instantiates a new span unique position weight.
     *
     * @param subWeight the sub weight
     * @param searcher the searcher
     * @param terms the terms
     * @throws IOException Signals that an I/O exception has occurred.
     */
    public SpanUniquePositionWeight(SpanWeight subWeight,
        IndexSearcher searcher, Map&lt;Term, TermContext&gt; terms)
<span class="fc" id="L159">        throws IOException {</span>
<span class="fc" id="L160">      super(MtasSpanUniquePositionQuery.this, searcher, terms);</span>
<span class="fc" id="L161">      this.subWeight = subWeight;</span>
<span class="fc" id="L162">    }</span>

    /*
     * (non-Javadoc)
     *
     * @see
     * org.apache.lucene.search.spans.SpanWeight#extractTermContexts(java.util.
     * Map)
     */
    @Override
    public void extractTermContexts(Map&lt;Term, TermContext&gt; contexts) {
<span class="nc" id="L173">      subWeight.extractTermContexts(contexts);</span>
<span class="nc" id="L174">    }</span>

    /*
     * (non-Javadoc)
     *
     * @see
     * org.apache.lucene.search.spans.SpanWeight#getSpans(org.apache.lucene.
     * index.LeafReaderContext,
     * org.apache.lucene.search.spans.SpanWeight.Postings)
     */
    @Override
    public MtasSpans getSpans(LeafReaderContext context,
        Postings requiredPostings) throws IOException {
<span class="fc" id="L187">      Spans subSpan = subWeight.getSpans(context, requiredPostings);</span>
<span class="fc bfc" id="L188" title="All 2 branches covered.">      if (subSpan == null) {</span>
<span class="fc" id="L189">        return null;</span>
      } else {
<span class="fc" id="L191">        return new MtasSpanUniquePositionSpans(MtasSpanUniquePositionQuery.this,</span>
            subSpan);
      }
    }

    /*
     * (non-Javadoc)
     *
     * @see org.apache.lucene.search.Weight#extractTerms(java.util.Set)
     */
    @Override
    public void extractTerms(Set&lt;Term&gt; terms) {
<span class="nc" id="L203">      subWeight.extractTerms(terms);</span>
<span class="nc" id="L204">    }</span>

  }

}
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