<?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>MtasExtendedTermSpans.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.util</a> > <span class="el_source">MtasExtendedTermSpans.java</span></div><h1>MtasExtendedTermSpans.java</h1><pre class="source lang-java linenums">package mtas.search.spans.util;
import java.io.IOException;
import java.util.Collection;
import mtas.analysis.token.MtasPosition;
import mtas.codec.payload.MtasPayloadDecoder;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.lucene.index.PostingsEnum;
import org.apache.lucene.index.Term;
import org.apache.lucene.payloads.PayloadSpanCollector;
import org.apache.lucene.search.spans.TermSpans;
/**
* The Class MtasExtendedTermSpans.
*/
public class MtasExtendedTermSpans extends TermSpans {
/** The Constant log. */
<span class="fc" id="L22"> private static final Log log = LogFactory.getLog(MtasExtendedTermSpans.class);</span>
/** The mtas position. */
<span class="fc" id="L25"> protected MtasPosition mtasPosition = null;</span>
/** The assume single position. */
private boolean assumeSinglePosition;
/** The payload span collector. */
private PayloadSpanCollector payloadSpanCollector;
/**
* Instantiates a new mtas extended term spans.
*
* @param postings the postings
* @param term the term
*/
public MtasExtendedTermSpans(PostingsEnum postings, Term term) {
<span class="nc" id="L40"> this(postings, term, false);</span>
<span class="nc" id="L41"> }</span>
/**
* Instantiates a new mtas extended term spans.
*
* @param postings the postings
* @param term the term
* @param assumeSinglePosition the assume single position
*/
public MtasExtendedTermSpans(PostingsEnum postings, Term term,
boolean assumeSinglePosition) {
<span class="fc" id="L52"> super(null, postings, term, 1);</span>
<span class="fc" id="L53"> payloadSpanCollector = new PayloadSpanCollector();</span>
<span class="fc" id="L54"> this.assumeSinglePosition = assumeSinglePosition;</span>
<span class="fc" id="L55"> }</span>
/*
* (non-Javadoc)
*
* @see org.apache.lucene.search.spans.TermSpans#endPosition()
*/
@Override
public int endPosition() {
<span class="fc bfc" id="L64" title="All 2 branches covered."> if (assumeSinglePosition) {</span>
<span class="fc" id="L65"> return super.endPosition();</span>
} else {
<span class="fc" id="L67"> int status = super.endPosition();</span>
<span class="fc bfc" id="L68" title="All 2 branches covered."> if (status >= 0) {</span>
try {
<span class="fc" id="L70"> processEncodedPayload();</span>
<span class="fc bfc" id="L71" title="All 2 branches covered."> return (status != NO_MORE_POSITIONS) ? (mtasPosition.getEnd() + 1)</span>
: NO_MORE_POSITIONS;
<span class="nc" id="L73"> } catch (IOException e) {</span>
<span class="nc" id="L74"> log.debug(e);</span>
<span class="nc" id="L75"> return NO_MORE_POSITIONS;</span>
}
} else {
<span class="fc" id="L78"> return status;</span>
}
}
}
/**
* Gets the positions.
*
* @return the positions
*/
public int[] getPositions() {
int[] list;
<span class="nc bnc" id="L90" title="All 2 branches missed."> if (assumeSinglePosition) {</span>
<span class="nc" id="L91"> list = new int[1];</span>
<span class="nc" id="L92"> list[0] = super.startPosition();</span>
<span class="nc" id="L93"> return list;</span>
} else {
try {
<span class="nc" id="L96"> processEncodedPayload();</span>
<span class="nc" id="L97"> list = mtasPosition.getPositions();</span>
<span class="nc bnc" id="L98" title="All 2 branches missed."> if (list != null) {</span>
<span class="nc" id="L99"> return mtasPosition.getPositions();</span>
}
<span class="nc" id="L101"> } catch (IOException e) {</span>
<span class="nc" id="L102"> log.debug(e);</span>
// do nothing
<span class="nc" id="L104"> }</span>
<span class="nc" id="L105"> int start = super.startPosition();</span>
<span class="nc" id="L106"> int end = super.endPosition();</span>
<span class="nc" id="L107"> list = new int[end - start];</span>
<span class="nc bnc" id="L108" title="All 2 branches missed."> for (int i = start; i < end; i++)</span>
<span class="nc" id="L109"> list[i - start] = i;</span>
<span class="nc" id="L110"> return list;</span>
}
}
/**
* Process encoded payload.
*
* @throws IOException Signals that an I/O exception has occurred.
*/
private void processEncodedPayload() throws IOException {
<span class="pc bpc" id="L120" title="1 of 2 branches missed."> if (!readPayload) {</span>
<span class="fc" id="L121"> payloadSpanCollector.reset();</span>
<span class="fc" id="L122"> collect(payloadSpanCollector);</span>
<span class="fc" id="L123"> Collection<byte[]> originalPayloadCollection = payloadSpanCollector</span>
<span class="fc" id="L124"> .getPayloads();</span>
<span class="pc bpc" id="L125" title="1 of 2 branches missed."> if (originalPayloadCollection.iterator().hasNext()) {</span>
<span class="fc" id="L126"> byte[] payload = originalPayloadCollection.iterator().next();</span>
<span class="pc bpc" id="L127" title="1 of 2 branches missed."> if (payload == null) {</span>
<span class="nc" id="L128"> throw new IOException("no payload");</span>
}
<span class="fc" id="L130"> MtasPayloadDecoder payloadDecoder = new MtasPayloadDecoder();</span>
<span class="fc" id="L131"> payloadDecoder.init(startPosition(), payload);</span>
<span class="fc" id="L132"> mtasPosition = payloadDecoder.getMtasPosition();</span>
<span class="fc" id="L133"> } else {</span>
<span class="nc" id="L134"> throw new IOException("no payload");</span>
}
}
<span class="fc" id="L137"> }</span>
}
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