MtasSpanRegexpQuery.java.html
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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>MtasSpanRegexpQuery.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> > <a href="index.source.html" class="el_package">mtas.search.spans</a> > <span class="el_source">MtasSpanRegexpQuery.java</span></div><h1>MtasSpanRegexpQuery.java</h1><pre class="source lang-java linenums">package mtas.search.spans;
import java.io.IOException;
import mtas.analysis.token.MtasToken;
import mtas.codec.util.CodecUtil;
import mtas.search.spans.util.MtasSpanQuery;
import org.apache.lucene.index.IndexReader;
import org.apache.lucene.index.Term;
import org.apache.lucene.search.IndexSearcher;
import org.apache.lucene.search.Query;
import org.apache.lucene.search.RegexpQuery;
import org.apache.lucene.search.spans.SpanMultiTermQueryWrapper;
import org.apache.lucene.search.spans.SpanOrQuery;
import org.apache.lucene.search.spans.SpanQuery;
import org.apache.lucene.search.spans.SpanTermQuery;
import org.apache.lucene.search.spans.SpanWeight;
/**
* The Class MtasSpanRegexpQuery.
*/
public class MtasSpanRegexpQuery extends MtasSpanQuery {
/** The Constant MTAS_REGEXP_EXPAND_BOUNDARY. */
private static final int MTAS_REGEXP_EXPAND_BOUNDARY = 1000000;
/** The prefix. */
private String prefix;
/** The value. */
private String value;
/** The single position. */
private boolean singlePosition;
/** The term. */
private Term term;
/** The query. */
private SpanMultiTermQueryWrapper<RegexpQuery> query;
/**
* Instantiates a new mtas span regexp query.
*
* @param term the term
*/
public MtasSpanRegexpQuery(Term term) {
<span class="nc" id="L49"> this(term, true);</span>
<span class="nc" id="L50"> }</span>
/**
* Instantiates a new mtas span regexp query.
*
* @param term the term
* @param singlePosition the single position
*/
public MtasSpanRegexpQuery(Term term, boolean singlePosition) {
<span class="fc bfc" id="L59" title="All 4 branches covered."> super(singlePosition ? 1 : null, singlePosition ? 1 : null);</span>
<span class="fc" id="L60"> RegexpQuery req = new RegexpQuery(term);</span>
<span class="fc" id="L61"> query = new SpanMultiTermQueryWrapper<>(req);</span>
<span class="fc" id="L62"> this.term = term;</span>
<span class="fc" id="L63"> this.singlePosition = singlePosition;</span>
<span class="fc" id="L64"> int i = term.text().indexOf(MtasToken.DELIMITER);</span>
<span class="pc bpc" id="L65" title="1 of 2 branches missed."> if (i >= 0) {</span>
<span class="fc" id="L66"> prefix = term.text().substring(0, i);</span>
<span class="fc" id="L67"> value = term.text().substring((i + MtasToken.DELIMITER.length()));</span>
<span class="pc bpc" id="L68" title="1 of 2 branches missed."> value = (value.length() > 0) ? value : null;</span>
} else {
<span class="nc" id="L70"> prefix = term.text();</span>
<span class="nc" id="L71"> value = null;</span>
}
<span class="fc" id="L73"> }</span>
/*
* (non-Javadoc)
*
* @see
* org.apache.lucene.search.Query#rewrite(org.apache.lucene.index.IndexReader)
*/
@Override
public MtasSpanQuery rewrite(IndexReader reader) throws IOException {
<span class="fc" id="L83"> Query q = query.rewrite(reader);</span>
<span class="pc bpc" id="L84" title="1 of 2 branches missed."> if (q instanceof SpanOrQuery) {</span>
<span class="fc" id="L85"> SpanQuery[] clauses = ((SpanOrQuery) q).getClauses();</span>
<span class="pc bpc" id="L86" title="1 of 2 branches missed."> if (clauses.length > MTAS_REGEXP_EXPAND_BOUNDARY) {</span>
// forward index solution ?
<span class="nc" id="L88"> throw new IOException("Regexp \"" + CodecUtil.termValue(term.text())</span>
+ "\" expands to " + clauses.length + " terms, too many (boundary "
+ MTAS_REGEXP_EXPAND_BOUNDARY + ")!");
}
<span class="fc" id="L92"> MtasSpanQuery[] newClauses = new MtasSpanQuery[clauses.length];</span>
<span class="fc bfc" id="L93" title="All 2 branches covered."> for (int i = 0; i < clauses.length; i++) {</span>
<span class="pc bpc" id="L94" title="1 of 2 branches missed."> if (clauses[i] instanceof SpanTermQuery) {</span>
<span class="fc" id="L95"> newClauses[i] = new MtasSpanTermQuery((SpanTermQuery) clauses[i],</span>
<span class="fc" id="L96"> singlePosition).rewrite(reader);</span>
} else {
<span class="nc" id="L98"> throw new IOException("no SpanTermQuery after rewrite");</span>
}
}
<span class="fc" id="L101"> return new MtasSpanOrQuery(newClauses).rewrite(reader);</span>
} else {
<span class="nc" id="L103"> throw new IOException("no SpanOrQuery after rewrite");</span>
}
}
/*
* (non-Javadoc)
*
* @see
* org.apache.lucene.search.spans.SpanTermQuery#toString(java.lang.String)
*/
@Override
public String toString(String field) {
<span class="nc" id="L115"> StringBuilder buffer = new StringBuilder();</span>
<span class="nc" id="L116"> buffer.append(this.getClass().getSimpleName() + "([");</span>
<span class="nc bnc" id="L117" title="All 2 branches missed."> if (value == null) {</span>
<span class="nc" id="L118"> buffer.append(this.query.getField() + ":" + prefix);</span>
} else {
<span class="nc" id="L120"> buffer.append(this.query.getField() + ":" + prefix + "=" + value);</span>
}
<span class="nc" id="L122"> buffer.append("])");</span>
<span class="nc" id="L123"> return buffer.toString();</span>
}
/*
* (non-Javadoc)
*
* @see org.apache.lucene.search.spans.SpanQuery#getField()
*/
@Override
public String getField() {
<span class="fc" id="L133"> return term.field();</span>
}
/*
* (non-Javadoc)
*
* @see
* org.apache.lucene.search.spans.SpanQuery#createWeight(org.apache.lucene.
* search.IndexSearcher, boolean)
*/
@Override
public SpanWeight createWeight(IndexSearcher searcher, boolean needsScores)
throws IOException {
<span class="nc" id="L146"> return ((SpanQuery) searcher.rewrite(query)).createWeight(searcher,</span>
needsScores);
}
/*
* (non-Javadoc)
*
* @see org.apache.lucene.search.Query#equals(java.lang.Object)
*/
@Override
public boolean equals(Object obj) {
<span class="pc bpc" id="L157" title="1 of 2 branches missed."> if (this == obj)</span>
<span class="nc" id="L158"> return true;</span>
<span class="pc bpc" id="L159" title="1 of 2 branches missed."> if (obj == null)</span>
<span class="nc" id="L160"> return false;</span>
<span class="fc bfc" id="L161" title="All 2 branches covered."> if (getClass() != obj.getClass())</span>
<span class="fc" id="L162"> return false;</span>
<span class="fc" id="L163"> MtasSpanRegexpQuery that = (MtasSpanRegexpQuery) obj;</span>
<span class="pc bpc" id="L164" title="1 of 4 branches missed."> return term.equals(that.term) && singlePosition == that.singlePosition;</span>
}
/*
* (non-Javadoc)
*
* @see org.apache.lucene.search.Query#hashCode()
*/
@Override
public int hashCode() {
<span class="fc" id="L174"> int h = this.getClass().getSimpleName().hashCode();</span>
<span class="fc" id="L175"> h = (h * 7) ^ term.hashCode();</span>
<span class="pc bpc" id="L176" title="1 of 2 branches missed."> h += (singlePosition ? 1 : 0);</span>
<span class="fc" id="L177"> return h;</span>
}
}
</pre><div class="footer"><span class="right">Created with <a href="http://www.jacoco.org/jacoco">JaCoCo</a> 0.7.9.201702052155</span></div></body></html>