MtasIgnoreItem.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="../.resources/report.css" type="text/css"/><link rel="shortcut icon" href="../.resources/report.gif" type="image/gif"/><title>MtasIgnoreItem.java</title><link rel="stylesheet" href="../.resources/prettify.css" type="text/css"/><script type="text/javascript" src="../.resources/prettify.js"></script></head><body onload="window['PR_TAB_WIDTH']=4;prettyPrint()"><div class="breadcrumb" id="breadcrumb"><span class="info"><a href="../.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">MtasIgnoreItem.java</span></div><h1>MtasIgnoreItem.java</h1><pre class="source lang-java linenums">package mtas.search.spans.util;
import java.io.IOException;
import java.util.HashMap;
import java.util.HashSet;
import org.apache.lucene.search.spans.Spans;
/**
* The Class MtasIgnoreItem.
*/
public class MtasIgnoreItem {
/** The Constant DEFAULT_MAXIMUM_IGNORE_LENGTH. */
public static final int DEFAULT_MAXIMUM_IGNORE_LENGTH = 10;
/** The ignore spans. */
Spans ignoreSpans;
/** The current doc id. */
int currentDocId;
/** The current position. */
int currentPosition;
/** The minimum position. */
int minimumPosition;
/** The maximum ignore length. */
int maximumIgnoreLength;
/** The base list. */
HashMap<Integer, HashSet<Integer>> baseStartPositionList;
HashMap<Integer, HashSet<Integer>> baseEndPositionList;
/** The full list. */
HashMap<Integer, HashSet<Integer>> fullEndPositionList;
/** The max base end position. */
HashMap<Integer, Integer> minBaseStartPosition;
HashMap<Integer, Integer> maxBaseEndPosition;
/** The max full end position. */
HashMap<Integer, Integer> minFullStartPosition;
HashMap<Integer, Integer> maxFullEndPosition;
/**
* Instantiates a new mtas ignore item.
*
* @param ignoreSpans the ignore spans
* @param maximumIgnoreLength the maximum ignore length
*/
<span class="fc" id="L53"> public MtasIgnoreItem(Spans ignoreSpans, Integer maximumIgnoreLength) {</span>
<span class="fc" id="L54"> this.ignoreSpans = ignoreSpans;</span>
<span class="fc" id="L55"> currentDocId = -1;</span>
<span class="fc" id="L56"> currentPosition = -1;</span>
<span class="fc" id="L57"> minimumPosition = -1;</span>
<span class="fc" id="L58"> baseStartPositionList = new HashMap<Integer, HashSet<Integer>>();</span>
<span class="fc" id="L59"> baseEndPositionList = new HashMap<Integer, HashSet<Integer>>();</span>
<span class="fc" id="L60"> fullEndPositionList = new HashMap<Integer, HashSet<Integer>>();</span>
<span class="fc" id="L61"> minBaseStartPosition = new HashMap<Integer, Integer>();</span>
<span class="fc" id="L62"> maxBaseEndPosition = new HashMap<Integer, Integer>();</span>
<span class="fc" id="L63"> minFullStartPosition = new HashMap<Integer, Integer>();</span>
<span class="fc" id="L64"> maxFullEndPosition = new HashMap<Integer, Integer>();</span>
<span class="fc bfc" id="L65" title="All 2 branches covered."> if (maximumIgnoreLength == null) {</span>
<span class="fc" id="L66"> this.maximumIgnoreLength = DEFAULT_MAXIMUM_IGNORE_LENGTH;</span>
} else {
<span class="fc" id="L68"> this.maximumIgnoreLength = maximumIgnoreLength;</span>
}
<span class="fc" id="L70"> }</span>
/**
* Advance to doc.
*
* @param docId the doc id
* @return true, if successful
* @throws IOException Signals that an I/O exception has occurred.
*/
public boolean advanceToDoc(int docId) throws IOException {
<span class="pc bpc" id="L80" title="1 of 4 branches missed."> if (ignoreSpans == null || currentDocId == Spans.NO_MORE_DOCS) {</span>
<span class="fc" id="L81"> return false;</span>
<span class="pc bpc" id="L82" title="1 of 2 branches missed."> } else if (currentDocId == docId) {</span>
<span class="nc" id="L83"> return true;</span>
} else {
<span class="fc" id="L85"> baseEndPositionList.clear();</span>
<span class="fc" id="L86"> fullEndPositionList.clear();</span>
<span class="fc" id="L87"> maxBaseEndPosition.clear();</span>
<span class="fc" id="L88"> minFullStartPosition.clear();</span>
<span class="pc bpc" id="L89" title="1 of 2 branches missed."> if (currentDocId < docId) {</span>
<span class="fc" id="L90"> currentDocId = ignoreSpans.advance(docId);</span>
<span class="fc" id="L91"> currentPosition = -1;</span>
<span class="fc" id="L92"> minimumPosition = -1;</span>
}
<span class="pc bpc" id="L94" title="1 of 2 branches missed."> return currentDocId == docId;</span>
}
}
/**
* Gets the max size.
*
* @param docId the doc id
* @param position the position
* @return the max size
* @throws IOException Signals that an I/O exception has occurred.
*/
public int getMinStartPosition(int docId, int position) throws IOException {
<span class="pc bpc" id="L107" title="1 of 4 branches missed."> if (ignoreSpans != null && docId == currentDocId) {</span>
<span class="pc bpc" id="L108" title="1 of 2 branches missed."> if (position < minimumPosition) {</span>
<span class="nc" id="L109"> throw new IOException(</span>
"Unexpected position, should be >= " + minimumPosition + "!");
} else {
<span class="fc" id="L112"> computeFullStartPositionMinimum(position);</span>
<span class="pc bpc" id="L113" title="1 of 2 branches missed."> if(minFullStartPosition.containsKey(position)) {</span>
<span class="fc" id="L114"> return minFullStartPosition.get(position);</span>
} else {
<span class="nc" id="L116"> return 0;</span>
}
}
} else {
<span class="fc" id="L120"> return 0;</span>
}
}
public int getMaxEndPosition(int docId, int position) throws IOException {
<span class="nc bnc" id="L125" title="All 4 branches missed."> if (ignoreSpans != null && docId == currentDocId) {</span>
<span class="nc bnc" id="L126" title="All 2 branches missed."> if (position < minimumPosition) {</span>
<span class="nc" id="L127"> throw new IOException(</span>
"Unexpected position, should be >= " + minimumPosition + "!");
}
<span class="nc" id="L130"> computeFullEndPositionList(position);</span>
<span class="nc bnc" id="L131" title="All 2 branches missed."> if(maxFullEndPosition.containsKey(position)) {</span>
<span class="nc" id="L132"> return maxFullEndPosition.get(position);</span>
} else {
<span class="nc" id="L134"> return 0;</span>
}
} else {
<span class="nc" id="L137"> return 0;</span>
}
}
/**
* Gets the full list.
*
* @param docId the doc id
* @param position the position
* @return the full list
* @throws IOException Signals that an I/O exception has occurred.
*/
public HashSet<Integer> getFullEndPositionList(int docId, int position)
throws IOException {
<span class="pc bpc" id="L151" title="1 of 4 branches missed."> if (ignoreSpans != null && docId == currentDocId) {</span>
<span class="pc bpc" id="L152" title="1 of 2 branches missed."> if (position < minimumPosition) {</span>
<span class="nc" id="L153"> throw new IOException(</span>
"Unexpected startPosition, should be >= " + minimumPosition + "!");
} else {
<span class="fc" id="L156"> computeFullEndPositionList(position);</span>
<span class="fc" id="L157"> return fullEndPositionList.get(position);</span>
}
} else {
<span class="fc" id="L160"> return null;</span>
}
}
private void computeFullStartPositionMinimum(int position) throws IOException {
<span class="pc bpc" id="L165" title="2 of 4 branches missed."> if (ignoreSpans != null && !minFullStartPosition.containsKey(position)) {</span>
<span class="fc" id="L166"> HashSet<Integer> list = baseStartPositionList.get(position);</span>
<span class="fc" id="L167"> HashSet<Integer> newList = new HashSet<Integer>();</span>
<span class="fc" id="L168"> int minimumStartPosition = position;</span>
<span class="pc bpc" id="L169" title="3 of 4 branches missed."> while(list!=null && !list.isEmpty()) {</span>
<span class="nc" id="L170"> newList.clear();</span>
<span class="nc bnc" id="L171" title="All 2 branches missed."> for(int startPosition : list) {</span>
<span class="nc bnc" id="L172" title="All 2 branches missed."> if(minFullStartPosition.containsKey(startPosition)) {</span>
<span class="nc" id="L173"> minimumStartPosition = Math.min(minimumStartPosition, minFullStartPosition.get(startPosition));</span>
<span class="nc bnc" id="L174" title="All 2 branches missed."> } else if(baseStartPositionList.containsKey(startPosition)) {</span>
<span class="nc" id="L175"> newList.addAll(baseStartPositionList.get(startPosition)); </span>
} else {
<span class="nc bnc" id="L177" title="All 2 branches missed."> if(startPosition<minimumStartPosition) {</span>
<span class="nc" id="L178"> minimumStartPosition = startPosition;</span>
}
}
<span class="nc" id="L181"> }</span>
<span class="nc" id="L182"> list.clear();</span>
<span class="nc" id="L183"> list.addAll(newList);</span>
}
<span class="fc" id="L185"> minFullStartPosition.put(position, minimumStartPosition);</span>
}
<span class="fc" id="L187"> } </span>
/**
* Compute full list.
*
* @param position the position
* @throws IOException Signals that an I/O exception has occurred.
*/
private void computeFullEndPositionList(int position) throws IOException {
<span class="pc bpc" id="L196" title="2 of 4 branches missed."> if (ignoreSpans != null && !fullEndPositionList.containsKey(position)) {</span>
// initial fill
<span class="fc" id="L198"> moveTo(position);</span>
<span class="fc" id="L199"> HashSet<Integer> list = baseEndPositionList.get(position);</span>
<span class="pc bpc" id="L200" title="1 of 4 branches missed."> if (list != null && !list.isEmpty()) {</span>
<span class="fc" id="L201"> int maxEndPosition = maxBaseEndPosition.get(position);</span>
<span class="fc" id="L202"> HashSet<Integer> checkList = new HashSet<Integer>();</span>
<span class="fc" id="L203"> HashSet<Integer> subCheckList = new HashSet<Integer>();</span>
<span class="fc" id="L204"> checkList.addAll(list);</span>
<span class="fc" id="L205"> int depth = 1;</span>
<span class="fc bfc" id="L206" title="All 2 branches covered."> while (!checkList.isEmpty()) {</span>
<span class="pc bpc" id="L207" title="1 of 2 branches missed."> if (depth > maximumIgnoreLength) {</span>
<span class="nc" id="L208"> checkList.clear();</span>
<span class="nc" id="L209"> subCheckList.clear();</span>
<span class="nc" id="L210"> throw new IOException("too many successive ignores, maximum is "</span>
+ maximumIgnoreLength);
} else {
<span class="fc bfc" id="L213" title="All 2 branches covered."> for (Integer checkItem : checkList) {</span>
<span class="pc bpc" id="L214" title="1 of 2 branches missed."> if (fullEndPositionList.get(checkItem) != null) {</span>
<span class="nc" id="L215"> list.addAll(fullEndPositionList.get(checkItem));</span>
<span class="nc" id="L216"> maxEndPosition = Math.max(maxEndPosition,</span>
<span class="nc" id="L217"> maxFullEndPosition.get(checkItem));</span>
} else {
<span class="fc" id="L219"> moveTo(checkItem);</span>
<span class="fc bfc" id="L220" title="All 2 branches covered."> if (baseEndPositionList.containsKey(checkItem)) {</span>
<span class="fc" id="L221"> list.addAll(baseEndPositionList.get(checkItem));</span>
<span class="fc" id="L222"> maxEndPosition = Math.max(maxEndPosition,</span>
<span class="fc" id="L223"> maxBaseEndPosition.get(checkItem));</span>
<span class="fc" id="L224"> subCheckList.addAll(baseEndPositionList.get(checkItem));</span>
} else {
// ready for checkItem
}
}
<span class="fc" id="L229"> }</span>
<span class="fc" id="L230"> checkList.clear();</span>
<span class="fc" id="L231"> checkList.addAll(subCheckList);</span>
<span class="fc" id="L232"> subCheckList.clear();</span>
<span class="fc" id="L233"> depth++;</span>
}
}
<span class="fc" id="L236"> fullEndPositionList.put(position, list);</span>
<span class="fc" id="L237"> maxFullEndPosition.put(position, (maxEndPosition - position));</span>
<span class="fc" id="L238"> } else {</span>
<span class="fc" id="L239"> fullEndPositionList.put(position, null);</span>
<span class="fc" id="L240"> maxFullEndPosition.put(position, 0);</span>
}
}
<span class="fc" id="L243"> }</span>
/**
* Move to.
*
* @param position the position
*/
private void moveTo(int position) {
<span class="fc bfc" id="L251" title="All 2 branches covered."> while (position >= currentPosition) {</span>
try {
<span class="fc" id="L253"> currentPosition = ignoreSpans.nextStartPosition();</span>
<span class="fc bfc" id="L254" title="All 4 branches covered."> if (currentPosition != Spans.NO_MORE_POSITIONS</span>
&& currentPosition >= minimumPosition) {
<span class="pc bpc" id="L256" title="1 of 2 branches missed."> if (!baseEndPositionList.containsKey(currentPosition)) {</span>
<span class="fc" id="L257"> baseEndPositionList.put(currentPosition, new HashSet<Integer>());</span>
<span class="fc" id="L258"> maxBaseEndPosition.put(currentPosition, currentPosition);</span>
} else {
<span class="nc" id="L260"> maxBaseEndPosition.put(currentPosition,</span>
<span class="nc" id="L261"> Math.max(maxBaseEndPosition.get(currentPosition),</span>
<span class="nc" id="L262"> ignoreSpans.endPosition())); </span>
}
<span class="fc bfc" id="L264" title="All 2 branches covered."> if (!baseStartPositionList.containsKey(ignoreSpans.endPosition())) {</span>
<span class="fc" id="L265"> baseStartPositionList.put(ignoreSpans.endPosition(), new HashSet<Integer>());</span>
<span class="fc" id="L266"> minBaseStartPosition.put(ignoreSpans.endPosition(), ignoreSpans.endPosition());</span>
} else {
<span class="fc" id="L268"> minBaseStartPosition.put(ignoreSpans.endPosition(),</span>
<span class="fc" id="L269"> Math.min(minBaseStartPosition.get(ignoreSpans.endPosition()),</span>
currentPosition));
}
<span class="fc" id="L272"> baseStartPositionList.get(ignoreSpans.endPosition()).add(currentPosition); </span>
<span class="fc" id="L273"> baseEndPositionList.get(currentPosition).add(ignoreSpans.endPosition()); </span>
}
<span class="nc" id="L275"> } catch (IOException e) {</span>
<span class="nc" id="L276"> currentPosition = Spans.NO_MORE_POSITIONS;</span>
<span class="nc" id="L277"> break;</span>
<span class="fc" id="L278"> }</span>
}
<span class="fc" id="L280"> }</span>
/**
* Removes the before.
*
* @param docId the doc id
* @param position the position
*/
public void removeBefore(int docId, int position) {
<span class="pc bpc" id="L289" title="1 of 4 branches missed."> if (ignoreSpans != null && docId == currentDocId) {</span>
<span class="fc bfc" id="L290" title="All 2 branches covered."> baseStartPositionList.entrySet().removeIf(entry -> entry.getKey() < position);</span>
<span class="fc bfc" id="L291" title="All 2 branches covered."> baseEndPositionList.entrySet().removeIf(entry -> entry.getKey() < position);</span>
<span class="fc bfc" id="L292" title="All 2 branches covered."> fullEndPositionList.entrySet().removeIf(entry -> entry.getKey() < position);</span>
<span class="fc" id="L293"> minBaseStartPosition.entrySet()</span>
<span class="fc bfc" id="L294" title="All 2 branches covered."> .removeIf(entry -> entry.getKey() < position);</span>
<span class="fc" id="L295"> maxBaseEndPosition.entrySet()</span>
<span class="fc bfc" id="L296" title="All 2 branches covered."> .removeIf(entry -> entry.getKey() < position);</span>
<span class="fc" id="L297"> minFullStartPosition.entrySet()</span>
<span class="fc bfc" id="L298" title="All 2 branches covered."> .removeIf(entry -> entry.getKey() < position);</span>
<span class="fc" id="L299"> maxFullEndPosition.entrySet()</span>
<span class="fc bfc" id="L300" title="All 2 branches covered."> .removeIf(entry -> entry.getKey() < position);</span>
<span class="fc bfc" id="L301" title="All 2 branches covered."> if (minimumPosition < position) {</span>
<span class="fc" id="L302"> minimumPosition = position;</span>
}
<span class="fc bfc" id="L304" title="All 2 branches covered."> if (currentPosition < position) {</span>
<span class="fc" id="L305"> currentPosition = position;</span>
}
}
<span class="fc" id="L308"> }</span>
}
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