MtasSpanRecurrenceQuery.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>MtasSpanRecurrenceQuery.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">MtasSpanRecurrenceQuery.java</span></div><h1>MtasSpanRecurrenceQuery.java</h1><pre class="source lang-java linenums">package mtas.search.spans;
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.index.Terms;
import org.apache.lucene.search.IndexSearcher;
import org.apache.lucene.search.spans.SpanWeight;
import org.apache.lucene.search.spans.Spans;
import mtas.search.spans.util.MtasSpanQuery;
import mtas.search.spans.util.MtasSpanWeight;
import mtas.search.spans.util.MtasSpans;
/**
* The Class MtasSpanRecurrenceQuery.
*/
public class MtasSpanRecurrenceQuery extends MtasSpanQuery {
/** The query. */
private MtasSpanQuery query;
/** The minimum recurrence. */
private int minimumRecurrence;
/** The maximum recurrence. */
private int maximumRecurrence;
/** The ignore query. */
private MtasSpanQuery ignoreQuery;
/** The maximum ignore length. */
private Integer maximumIgnoreLength;
/** The field. */
private String field;
/**
* Instantiates a new mtas span recurrence query.
*
* @param query the query
* @param minimumRecurrence the minimum recurrence
* @param maximumRecurrence the maximum recurrence
* @param ignoreQuery the ignore query
* @param maximumIgnoreLength the maximum ignore length
*/
public MtasSpanRecurrenceQuery(MtasSpanQuery query, int minimumRecurrence,
int maximumRecurrence, MtasSpanQuery ignoreQuery,
Integer maximumIgnoreLength) {
<span class="fc" id="L55"> super(null, null);</span>
<span class="fc" id="L56"> field = query.getField();</span>
<span class="fc" id="L57"> this.query = query;</span>
<span class="pc bpc" id="L58" title="2 of 4 branches missed."> if (field != null && ignoreQuery != null) {</span>
<span class="nc bnc" id="L59" title="All 2 branches missed."> if (ignoreQuery.getField() == null</span>
<span class="nc bnc" id="L60" title="All 2 branches missed."> || field.equals(ignoreQuery.getField())) {</span>
<span class="nc" id="L61"> this.ignoreQuery = ignoreQuery;</span>
<span class="nc bnc" id="L62" title="All 2 branches missed."> if (maximumIgnoreLength == null) {</span>
<span class="nc" id="L63"> this.maximumIgnoreLength = 1;</span>
} else {
<span class="nc" id="L65"> this.maximumIgnoreLength = maximumIgnoreLength;</span>
}
} else {
<span class="nc" id="L68"> throw new IllegalArgumentException(</span>
"ignore must have same field as clauses");
}
} else {
<span class="fc" id="L72"> this.ignoreQuery = null;</span>
<span class="fc" id="L73"> this.maximumIgnoreLength = null;</span>
}
<span class="fc" id="L75"> setRecurrence(minimumRecurrence, maximumRecurrence);</span>
<span class="fc" id="L76"> }</span>
/**
* Gets the query.
*
* @return the query
*/
public MtasSpanQuery getQuery() {
<span class="fc" id="L84"> return query;</span>
}
/**
* Gets the ignore query.
*
* @return the ignore query
*/
public MtasSpanQuery getIgnoreQuery() {
<span class="fc" id="L93"> return ignoreQuery;</span>
}
/**
* Gets the maximum ignore length.
*
* @return the maximum ignore length
*/
public Integer getMaximumIgnoreLength() {
<span class="nc" id="L102"> return maximumIgnoreLength;</span>
}
/**
* Gets the minimum recurrence.
*
* @return the minimum recurrence
*/
public int getMinimumRecurrence() {
<span class="fc" id="L111"> return minimumRecurrence;</span>
}
/**
* Gets the maximum recurrence.
*
* @return the maximum recurrence
*/
public int getMaximumRecurrence() {
<span class="fc" id="L120"> return maximumRecurrence;</span>
}
/**
* Sets the recurrence.
*
* @param minimumRecurrence the minimum recurrence
* @param maximumRecurrence the maximum recurrence
*/
public void setRecurrence(int minimumRecurrence, int maximumRecurrence) {
<span class="pc bpc" id="L130" title="1 of 2 branches missed."> if (minimumRecurrence > maximumRecurrence) {</span>
<span class="nc" id="L131"> throw new IllegalArgumentException(</span>
"minimumRecurrence > maximumRecurrence");
<span class="pc bpc" id="L133" title="1 of 2 branches missed."> } else if (minimumRecurrence < 1) {</span>
<span class="nc" id="L134"> throw new IllegalArgumentException("minimumRecurrence < 1 not supported");</span>
<span class="pc bpc" id="L135" title="1 of 2 branches missed."> } else if (query == null) {</span>
<span class="nc" id="L136"> throw new IllegalArgumentException("no clause");</span>
}
<span class="fc" id="L138"> this.minimumRecurrence = minimumRecurrence;</span>
<span class="fc" id="L139"> this.maximumRecurrence = maximumRecurrence;</span>
// set minimum/maximum
<span class="fc" id="L141"> Integer minimum = null;</span>
<span class="fc" id="L142"> Integer maximum = null;</span>
<span class="fc bfc" id="L143" title="All 2 branches covered."> if (query.getMinimumWidth() != null) {</span>
<span class="fc" id="L144"> minimum = minimumRecurrence * query.getMinimumWidth();</span>
}
<span class="fc bfc" id="L146" title="All 2 branches covered."> if (query.getMaximumWidth() != null) {</span>
<span class="fc" id="L147"> maximum = maximumRecurrence * query.getMaximumWidth();</span>
<span class="pc bpc" id="L148" title="3 of 4 branches missed."> if (ignoreQuery != null && maximumIgnoreLength != null) {</span>
<span class="nc bnc" id="L149" title="All 2 branches missed."> if (ignoreQuery.getMaximumWidth() != null) {</span>
<span class="nc" id="L150"> maximum += (maximumRecurrence - 1) * maximumIgnoreLength</span>
<span class="nc" id="L151"> * ignoreQuery.getMaximumWidth();</span>
} else {
<span class="nc" id="L153"> maximum = null;</span>
}
}
}
<span class="fc" id="L157"> setWidth(minimum, maximum);</span>
<span class="fc" id="L158"> }</span>
/*
* (non-Javadoc)
*
* @see org.apache.lucene.search.spans.SpanQuery#getField()
*/
@Override
public String getField() {
<span class="fc" id="L167"> return field;</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="L178"> MtasSpanQuery newQuery = query.rewrite(reader);</span>
<span class="pc bpc" id="L179" title="1 of 2 branches missed."> if (maximumRecurrence == 1) {</span>
<span class="nc" id="L180"> return newQuery;</span>
} else {
<span class="pc bpc" id="L182" title="1 of 2 branches missed."> MtasSpanQuery newIgnoreQuery = (ignoreQuery != null)</span>
<span class="pc" id="L183"> ? ignoreQuery.rewrite(reader) : null;</span>
<span class="pc bpc" id="L184" title="1 of 2 branches missed."> if (newQuery instanceof MtasSpanRecurrenceQuery) {</span>
// for now too difficult, possibly merge later
}
<span class="pc bpc" id="L187" title="1 of 4 branches missed."> if (!newQuery.equals(query)</span>
<span class="nc bnc" id="L188" title="All 2 branches missed."> || (newIgnoreQuery != null && !newIgnoreQuery.equals(ignoreQuery))) {</span>
<span class="fc" id="L189"> return new MtasSpanRecurrenceQuery(newQuery, minimumRecurrence,</span>
maximumRecurrence, newIgnoreQuery, maximumIgnoreLength)
<span class="fc" id="L191"> .rewrite(reader);</span>
} else {
<span class="fc" id="L193"> return super.rewrite(reader);</span>
}
}
}
/*
* (non-Javadoc)
*
* @see org.apache.lucene.search.Query#toString(java.lang.String)
*/
@Override
public String toString(String field) {
<span class="nc" id="L205"> StringBuilder buffer = new StringBuilder();</span>
<span class="nc" id="L206"> buffer.append(this.getClass().getSimpleName() + "([");</span>
<span class="nc" id="L207"> buffer.append(query.toString(query.getField()));</span>
<span class="nc" id="L208"> buffer.append("," + minimumRecurrence + "," + maximumRecurrence);</span>
<span class="nc" id="L209"> buffer.append(", ");</span>
<span class="nc" id="L210"> buffer.append(ignoreQuery);</span>
<span class="nc" id="L211"> buffer.append("])");</span>
<span class="nc" id="L212"> return buffer.toString();</span>
}
/*
* (non-Javadoc)
*
* @see org.apache.lucene.search.Query#equals(java.lang.Object)
*/
@Override
public boolean equals(Object obj) {
<span class="fc bfc" id="L222" title="All 2 branches covered."> if (this == obj)</span>
<span class="fc" id="L223"> return true;</span>
<span class="pc bpc" id="L224" title="1 of 2 branches missed."> if (obj == null)</span>
<span class="nc" id="L225"> return false;</span>
<span class="fc bfc" id="L226" title="All 2 branches covered."> if (getClass() != obj.getClass())</span>
<span class="fc" id="L227"> return false;</span>
<span class="fc" id="L228"> final MtasSpanRecurrenceQuery other = (MtasSpanRecurrenceQuery) obj;</span>
boolean result;
<span class="fc" id="L230"> result = query.equals(other.query);</span>
<span class="fc bfc" id="L231" title="All 2 branches covered."> result &= minimumRecurrence == other.minimumRecurrence;</span>
<span class="fc bfc" id="L232" title="All 2 branches covered."> result &= maximumRecurrence == other.maximumRecurrence;</span>
<span class="fc bfc" id="L233" title="All 2 branches covered."> if (result) {</span>
boolean subResult;
<span class="pc bpc" id="L235" title="2 of 4 branches missed."> subResult = ignoreQuery == null && other.ignoreQuery == null;</span>
<span class="pc bpc" id="L236" title="3 of 4 branches missed."> subResult |= ignoreQuery != null && other.ignoreQuery != null</span>
<span class="pc bnc" id="L237" title="All 2 branches missed."> && ignoreQuery.equals(other.ignoreQuery);</span>
<span class="fc" id="L238"> return subResult;</span>
} else {
<span class="fc" id="L240"> return false;</span>
}
}
/*
* (non-Javadoc)
*
* @see org.apache.lucene.search.Query#hashCode()
*/
@Override
public int hashCode() {
<span class="fc" id="L251"> int h = this.getClass().getSimpleName().hashCode();</span>
<span class="fc" id="L252"> h = (h * 7) ^ query.hashCode();</span>
<span class="fc" id="L253"> h = (h * 11) ^ minimumRecurrence;</span>
<span class="fc" id="L254"> h = (h * 13) ^ maximumRecurrence;</span>
<span class="fc" id="L255"> return h;</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, float boost) throws IOException {
<span class="fc" id="L268"> SpanWeight subWeight = query.createWeight(searcher, false, boost);</span>
<span class="fc" id="L269"> SpanWeight ignoreWeight = null;</span>
<span class="pc bpc" id="L270" title="1 of 2 branches missed."> if (ignoreQuery != null) {</span>
<span class="nc" id="L271"> ignoreWeight = ignoreQuery.createWeight(searcher, false, boost);</span>
}
<span class="pc bpc" id="L273" title="1 of 2 branches missed."> return new SpanRecurrenceWeight(subWeight, ignoreWeight,</span>
maximumIgnoreLength, searcher,
<span class="pc" id="L275"> needsScores ? getTermContexts(subWeight) : null, boost);</span>
}
/*
* (non-Javadoc)
*
* @see mtas.search.spans.util.MtasSpanQuery#disableTwoPhaseIterator()
*/
@Override
public void disableTwoPhaseIterator() {
<span class="fc" id="L285"> super.disableTwoPhaseIterator();</span>
<span class="fc" id="L286"> query.disableTwoPhaseIterator();</span>
<span class="pc bpc" id="L287" title="1 of 2 branches missed."> if (ignoreQuery != null) {</span>
<span class="nc" id="L288"> ignoreQuery.disableTwoPhaseIterator();</span>
}
<span class="fc" id="L290"> }</span>
/**
* The Class SpanRecurrenceWeight.
*/
protected class SpanRecurrenceWeight extends MtasSpanWeight {
/** The sub weight. */
final SpanWeight subWeight;
/** The ignore weight. */
final SpanWeight ignoreWeight;
/** The maximum ignore length. */
final Integer maximumIgnoreLength;
/**
* Instantiates a new span recurrence weight.
*
* @param subWeight the sub weight
* @param ignoreWeight the ignore weight
* @param maximumIgnoreLength the maximum ignore length
* @param searcher the searcher
* @param terms the terms
* @throws IOException Signals that an I/O exception has occurred.
*/
public SpanRecurrenceWeight(SpanWeight subWeight, SpanWeight ignoreWeight,
Integer maximumIgnoreLength, IndexSearcher searcher,
<span class="fc" id="L318"> Map<Term, TermContext> terms, float boost) throws IOException {</span>
<span class="fc" id="L319"> super(MtasSpanRecurrenceQuery.this, searcher, terms, boost);</span>
<span class="fc" id="L320"> this.subWeight = subWeight;</span>
<span class="fc" id="L321"> this.ignoreWeight = ignoreWeight;</span>
<span class="fc" id="L322"> this.maximumIgnoreLength = maximumIgnoreLength;</span>
<span class="fc" id="L323"> }</span>
/*
* (non-Javadoc)
*
* @see
* org.apache.lucene.search.spans.SpanWeight#extractTermContexts(java.util.
* Map)
*/
@Override
public void extractTermContexts(Map<Term, TermContext> contexts) {
<span class="fc" id="L334"> subWeight.extractTermContexts(contexts);</span>
<span class="fc" id="L335"> }</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="pc bpc" id="L348" title="1 of 2 branches missed."> if (field == null) {</span>
<span class="nc" id="L349"> return null;</span>
} else {
<span class="fc" id="L351"> Terms terms = context.reader().terms(field);</span>
<span class="pc bpc" id="L352" title="1 of 2 branches missed."> if (terms == null) {</span>
<span class="nc" id="L353"> return null; // field does not exist</span>
}
<span class="fc" id="L355"> Spans subSpans = subWeight.getSpans(context, requiredPostings);</span>
<span class="pc bpc" id="L356" title="1 of 2 branches missed."> if (subSpans == null) {</span>
<span class="nc" id="L357"> return null;</span>
} else {
<span class="fc" id="L359"> Spans ignoreSpans = null;</span>
<span class="pc bpc" id="L360" title="1 of 2 branches missed."> if (ignoreWeight != null) {</span>
<span class="nc" id="L361"> ignoreSpans = ignoreWeight.getSpans(context, requiredPostings);</span>
}
<span class="fc" id="L363"> return new MtasSpanRecurrenceSpans(MtasSpanRecurrenceQuery.this,</span>
<span class="fc" id="L364"> subSpans, minimumRecurrence, maximumRecurrence, ignoreSpans,</span>
maximumIgnoreLength);
}
}
}
/*
* (non-Javadoc)
*
* @see org.apache.lucene.search.Weight#extractTerms(java.util.Set)
*/
@Override
public void extractTerms(Set<Term> terms) {
<span class="nc" id="L377"> subWeight.extractTerms(terms);</span>
<span class="nc" id="L378"> }</span>
}
}
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