org.apache.lucene.search.SortField.getComparatorSource java code examples

Common ways to obtain SortField

private void myMethod () {
 SortField s =String field;SortField.Type type;new SortField(field, type, reverse)
Sort sort;sort.getSort()
IndexSearcher searcher;fields[i].rewrite(searcher)
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}

/**
 * Returns the inner {@link SortField.Type} expected for this sort field.
 */
static SortField.Type extractSortType(SortField sortField) {
  if (sortField.getComparatorSource() instanceof IndexFieldData.XFieldComparatorSource) {
    return ((IndexFieldData.XFieldComparatorSource) sortField.getComparatorSource()).reducedType();
  } else if (sortField instanceof SortedSetSortField) {
    return SortField.Type.STRING;
  } else if (sortField instanceof SortedNumericSortField) {
    return ((SortedNumericSortField) sortField).getNumericType();
  } else if ("LatLonPointSortField".equals(sortField.getClass().getSimpleName())) {
    // for geo distance sorting
    return SortField.Type.DOUBLE;
  } else {
    return sortField.getType();
  }
}

  out.writeString(sortField.getField());
if (sortField.getComparatorSource() != null) {
  IndexFieldData.XFieldComparatorSource comparatorSource =
      (IndexFieldData.XFieldComparatorSource) sortField.getComparatorSource();
  writeSortType(out, comparatorSource.reducedType());
  writeMissingValue(out, comparatorSource.missingValue(sortField.getReverse()));

/**
 * Returns the inner {@link SortField.Type} expected for this sort field.
 */
static SortField.Type extractSortType(SortField sortField) {
  if (sortField.getComparatorSource() instanceof IndexFieldData.XFieldComparatorSource) {
    return ((IndexFieldData.XFieldComparatorSource) sortField.getComparatorSource()).reducedType();
  } else if (sortField instanceof SortedSetSortField) {
    return SortField.Type.STRING;
  } else if (sortField instanceof SortedNumericSortField) {
    return ((SortedNumericSortField) sortField).getNumericType();
  } else if ("LatLonPointSortField".equals(sortField.getClass().getSimpleName())) {
    // for geo distance sorting
    return SortField.Type.DOUBLE;
  } else {
    return sortField.getType();
  }
}

private String formatSortCriterion(SortField sortField) {
  StringBuilder buf = new StringBuilder();
  buf.append (sortField.getField());
  if (sortField.getReverse()) {
    buf.append (" descending");
  }
  if (SearchResultIterator.MISSING_LAST.equals(sortField.getComparatorSource())) {
    buf.append (" empty greatest");
  }
  switch (sortField.getType()) {
  case INT: buf.append(" int"); break;
  case LONG: buf.append(" long"); break;
  default: // default is string
  }
  return buf.toString();
}

/**
 * Returns the inner {@link SortField.Type} expected for this sort field.
 */
static SortField.Type extractSortType(SortField sortField) {
  if (sortField.getComparatorSource() instanceof IndexFieldData.XFieldComparatorSource) {
    return ((IndexFieldData.XFieldComparatorSource) sortField.getComparatorSource()).reducedType();
  } else if (sortField instanceof SortedSetSortField) {
    return SortField.Type.STRING;
  } else if (sortField instanceof SortedNumericSortField) {
    return ((SortedNumericSortField) sortField).getNumericType();
  } else if ("LatLonPointSortField".equals(sortField.getClass().getSimpleName())) {
    // for geo distance sorting
    return SortField.Type.DOUBLE;
  } else {
    return sortField.getType();
  }
}

private static Object convertValueFromSortField(Object value, SortField sortField, DocValueFormat format) {
  if (sortField.getComparatorSource() instanceof IndexFieldData.XFieldComparatorSource) {
    IndexFieldData.XFieldComparatorSource cmpSource = (IndexFieldData.XFieldComparatorSource) sortField.getComparatorSource();
    return convertValueFromSortType(sortField.getField(), cmpSource.reducedType(), value, format);
  }
  SortField.Type sortType = extractSortType(sortField);
  return convertValueFromSortType(sortField.getField(), sortType, value, format);
}

private SortField getAvailableSortField(String propertyName, org.springframework.data.domain.Sort.Direction direction) {
 if(sortFieldMap.containsKey(propertyName)) {
  SortField availableSortField = sortFieldMap.get(propertyName);
  boolean reverse = direction == org.springframework.data.domain.Sort.Direction.DESC ? true : false;
  if(availableSortField.getType() != null) {
   return new SortField(availableSortField.getField(), availableSortField.getType(), reverse);
  } else {
   return new SortField(availableSortField.getField(), availableSortField.getComparatorSource(), reverse);
  }
 } else {
  return sortFieldMap.get("name");
 }
}

 private SortField getAvailableSortField(String propertyName, org.springframework.data.domain.Sort.Direction direction) {

  if (sortFieldMap.containsKey(propertyName)) {
   SortField availableSortField = sortFieldMap.get(propertyName);

   boolean reverse = direction == org.springframework.data.domain.Sort.Direction.DESC ? true : false;
   if (availableSortField.getType() != null) {
    return new SortField(availableSortField.getField(), availableSortField.getType(), reverse);
   } else {
    return new SortField(availableSortField.getField(), availableSortField.getComparatorSource(), reverse);
   }

  } else {
   return sortFieldMap.get("modifiedTime");
  }
 }
}

private static Object convertValueFromSortField(Object value, SortField sortField, DocValueFormat format) {
  if (sortField.getComparatorSource() instanceof IndexFieldData.XFieldComparatorSource) {
    IndexFieldData.XFieldComparatorSource cmpSource = (IndexFieldData.XFieldComparatorSource) sortField.getComparatorSource();
    return convertValueFromSortType(sortField.getField(), cmpSource.reducedType(), value, format);
  }
  return convertValueFromSortType(sortField.getField(), sortField.getType(), value, format);
}

private SortField getAvailableSortField(String propertyName, org.springframework.data.domain.Sort.Direction direction) {
 if(sortFieldMap.containsKey(propertyName)) {
  SortField availableSortField = sortFieldMap.get(propertyName);
  boolean reverse = direction == org.springframework.data.domain.Sort.Direction.DESC ? true : false;
  if(availableSortField.getType() != null) {
   return new SortField(availableSortField.getField(), availableSortField.getType(), reverse);
  } else {
   return new SortField(availableSortField.getField(), availableSortField.getComparatorSource(), reverse);
  }
 } else {
  return sortFieldMap.get("name");
 }
}

idx[i] = names.indexOf(orderings[i].getSelectorName());
SortField sf = orderings[i].getSortField();
if (sf.getComparatorSource() != null) {
  FieldComparator c = sf.getComparatorSource().newComparator(sf.getField(), numHits, 0, false);
  assert c instanceof FieldComparatorBase;
  comparators[i] = new ScoreDocComparator((FieldComparatorBase) c);

idx[i] = names.indexOf(orderings[i].getSelectorName());
SortField sf = orderings[i].getSortField();
if (sf.getComparatorSource() != null) {
  FieldComparator c = sf.getComparatorSource().newComparator(sf.getField(), numHits, 0, false);
  assert c instanceof FieldComparatorBase;
  comparators[i] = new ScoreDocComparator((FieldComparatorBase) c);

public Object visit(LowerCaseImpl node, Object data)
    throws Exception {
  SortField sf = (SortField) ((DynamicOperandImpl) node.getOperand()).accept(this, data);
  selectorName[0] = node.getSelectorQName();
  return new SortField(sf.getField(),
      new LowerCaseSortComparator(sf.getComparatorSource()),
      !ordering.isAscending());
}

public Object visit(LowerCaseImpl node, Object data)
    throws Exception {
  SortField sf = (SortField) ((DynamicOperandImpl) node.getOperand()).accept(this, data);
  selectorName[0] = node.getSelectorQName();
  return new SortField(sf.getField(),
      new LowerCaseSortComparator(sf.getComparatorSource()),
      !ordering.isAscending());
}

public Object visit(UpperCaseImpl node, Object data)
    throws Exception {
  SortField sf = (SortField) ((DynamicOperandImpl) node.getOperand()).accept(this, data);
  selectorName[0] = node.getSelectorQName();
  return new SortField(sf.getField(),
      new UpperCaseSortComparator(sf.getComparatorSource()),
      !ordering.isAscending());
}

public Object visit(UpperCaseImpl node, Object data)
    throws Exception {
  SortField sf = (SortField) ((DynamicOperandImpl) node.getOperand()).accept(this, data);
  selectorName[0] = node.getSelectorQName();
  return new SortField(sf.getField(),
      new UpperCaseSortComparator(sf.getComparatorSource()),
      !ordering.isAscending());
}

  out.writeString(sortField.getField());
if (sortField.getComparatorSource() != null) {
  IndexFieldData.XFieldComparatorSource comparatorSource = (IndexFieldData.XFieldComparatorSource) sortField.getComparatorSource();
  writeSortType(out, comparatorSource.reducedType());
  writeMissingValue(out, comparatorSource.missingValue(sortField.getReverse()));

  out.writeString(sortField.getField());
if (sortField.getComparatorSource() != null) {
  IndexFieldData.XFieldComparatorSource comparatorSource =
      (IndexFieldData.XFieldComparatorSource) sortField.getComparatorSource();
  writeSortType(out, comparatorSource.reducedType());
  writeMissingValue(out, comparatorSource.missingValue(sortField.getReverse()));

public ShardFieldSortedHitQueue(SortField[] fields, int size) {
 final int n = fields.length;
 comparators = new Comparator[n];
 this.fields = new SortField[n];
 for (int i = 0; i < n; ++i) {
  // keep track of the named fields
  int type = fields[i].getType();
  if (type!=SortField.SCORE && type!=SortField.DOC) {
   fieldNames.add(fields[i].getField());
  }
  String fieldname = fields[i].getField();
  comparators[i] = getCachedComparator(fieldname, fields[i]
    .getType(), fields[i].getLocale(), fields[i].getComparatorSource());
  if (fields[i].getType() == SortField.STRING) {
   this.fields[i] = new SortField(fieldname, fields[i].getLocale(),
     fields[i].getReverse());
  } else {
   this.fields[i] = new SortField(fieldname, fields[i].getType(),
     fields[i].getReverse());
  }
  //System.out.println("%%%%%%%%%%%%%%%%%% got "+fields[i].getType() +"   for "+ fieldname +"  fields[i].getReverse(): "+fields[i].getReverse());
 }
 initialize(size);
}

  out.writeString(sortField.getField());
if (sortField.getComparatorSource() != null) {
  IndexFieldData.XFieldComparatorSource comparatorSource = (IndexFieldData.XFieldComparatorSource) sortField.getComparatorSource();
  writeSortType(out, comparatorSource.reducedType());
  writeMissingValue(out, comparatorSource.missingValue(sortField.getReverse()));

Javadoc

Returns the FieldComparatorSource used for custom sorting

Popular methods of SortField

<init>
Creates a sort, possibly in reverse, by terms in the given field where the type of term value is det
getField
Returns the name of the field. Could return null if the sort is by SCORE or DOC.
getReverse
Returns whether the sort should be reversed.
getType
Returns the type of contents in the field.
setMissingValue
Set the value to use for documents that don't have a value.
equals
Returns true if o is equal to this. If a FieldComparatorSource was provided, it must properly implem
getComparator
Returns the FieldComparator to use for sorting.
getMissingValue
Return the value to use for documents that don't have a value. A value of null indicates that defaul
toString
hashCode
Returns a hash code for this SortField instance. If a FieldComparatorSource was provided, it must pr
needsScores
Whether the relevance score is needed to sort documents.
getFactory

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How to use getComparatorSourcemethodin org.apache.lucene.search.SortField

Best Java code snippets using org.apache.lucene.search.SortField.getComparatorSource (Showing top 20 results out of 315)

How to use
getComparatorSource
method
in
org.apache.lucene.search.SortField