ruta-ep-textruler/src/main/java/org/apache/uima/ruta/textruler/learner/whisk/token/WhiskRule.java [116:193]:
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  public WhiskRuleItem searchNeighborOfItem(WhiskRuleItem item, boolean goToLeft) {
    int slotIndex = -1;
    int patternIndex = -1;
    int slotI = 0;
    for (TextRulerSlotPattern sp : slotPatterns) {
      for (TextRulerRuleItem it : sp.preFillerPattern) {
        if (it == item) {
          slotIndex = slotI;
          patternIndex = 0; // 0=preFiller
          break;
        }
      }
      if (slotIndex < 0) {
        for (TextRulerRuleItem it : sp.fillerPattern) {
          if (it == item) {
            slotIndex = slotI;
            patternIndex = 1; // 1=filler
            break;
          }
        }
      }
      if (slotIndex < 0) {
        for (TextRulerRuleItem it : sp.postFillerPattern) {
          if (it == item) {
            slotIndex = slotI;
            patternIndex = 2; // 2=postFiller
            break;
          }
        }
      }
      if (slotIndex >= 0) {
        break;
      }
    }
    if (slotIndex < 0) // we didn't even find the item in our rule ?! how
      // can this happen ?
      return null;

    TextRulerRulePattern currentPattern = getPattern(slotIndex, patternIndex);
    while (currentPattern != null) {
      int startIndex = currentPattern.indexOf(item); // this is only >= 0
      // for the first
      // pattern...
      if (!goToLeft) // walk forward...
      {
        int startSearchFromIndex = startIndex + 1;
        if (startSearchFromIndex < currentPattern.size())
          return (WhiskRuleItem) currentPattern.get(startSearchFromIndex);
        else // skip to next pattern
        {
          patternIndex++;
          if (patternIndex > 2) {
            patternIndex = 0;
            slotIndex++;
            if (slotIndex >= slotPatterns.size())
              return null; // not found!
          }
          currentPattern = getPattern(slotIndex, patternIndex);
        }
      } else {
        int startSearchFromIndex = startIndex >= 0 ? startIndex - 1 : currentPattern.size() - 1;
        if (startSearchFromIndex >= 0 && currentPattern.size() > 0)
          return (WhiskRuleItem) currentPattern.get(startSearchFromIndex);
        else // skip to previous pattern
        {
          patternIndex--;
          if (patternIndex < 0) {
            patternIndex = 2;
            slotIndex--;
            if (slotIndex < 0)
              return null; // not found!
          }
          currentPattern = getPattern(slotIndex, patternIndex);
        }
      }
    }
    return null;
  }
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ruta-ep-textruler/src/main/java/org/apache/uima/ruta/textruler/learner/whisk/generic/WhiskRule.java [116:193]:
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  public WhiskRuleItem searchNeighborOfItem(WhiskRuleItem item, boolean goToLeft) {
    int slotIndex = -1;
    int patternIndex = -1;
    int slotI = 0;
    for (TextRulerSlotPattern sp : slotPatterns) {
      for (TextRulerRuleItem it : sp.preFillerPattern) {
        if (it == item) {
          slotIndex = slotI;
          patternIndex = 0; // 0=preFiller
          break;
        }
      }
      if (slotIndex < 0) {
        for (TextRulerRuleItem it : sp.fillerPattern) {
          if (it == item) {
            slotIndex = slotI;
            patternIndex = 1; // 1=filler
            break;
          }
        }
      }
      if (slotIndex < 0) {
        for (TextRulerRuleItem it : sp.postFillerPattern) {
          if (it == item) {
            slotIndex = slotI;
            patternIndex = 2; // 2=postFiller
            break;
          }
        }
      }
      if (slotIndex >= 0) {
        break;
      }
    }
    if (slotIndex < 0) // we didn't even find the item in our rule ?! how
      // can this happen ?
      return null;

    TextRulerRulePattern currentPattern = getPattern(slotIndex, patternIndex);
    while (currentPattern != null) {
      int startIndex = currentPattern.indexOf(item); // this is only >= 0
      // for the first
      // pattern...
      if (!goToLeft) // walk forward...
      {
        int startSearchFromIndex = startIndex + 1;
        if (startSearchFromIndex < currentPattern.size())
          return (WhiskRuleItem) currentPattern.get(startSearchFromIndex);
        else // skip to next pattern
        {
          patternIndex++;
          if (patternIndex > 2) {
            patternIndex = 0;
            slotIndex++;
            if (slotIndex >= slotPatterns.size())
              return null; // not found!
          }
          currentPattern = getPattern(slotIndex, patternIndex);
        }
      } else {
        int startSearchFromIndex = startIndex >= 0 ? startIndex - 1 : currentPattern.size() - 1;
        if (startSearchFromIndex >= 0 && currentPattern.size() > 0)
          return (WhiskRuleItem) currentPattern.get(startSearchFromIndex);
        else // skip to previous pattern
        {
          patternIndex--;
          if (patternIndex < 0) {
            patternIndex = 2;
            slotIndex--;
            if (slotIndex < 0)
              return null; // not found!
          }
          currentPattern = getPattern(slotIndex, patternIndex);
        }
      }
    }
    return null;
  }
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