/**
   * Create a new instance configured with the provided FieldType options. See {@link
   * #DEFAULT_FIELDTYPE}. a field type is used to articulate the desired options (namely
   * pointValues, docValues, stored). Legacy numerics is configurable this way too.
   */
  public PointVectorStrategy(SpatialContext ctx, String fieldNamePrefix, FieldType fieldType) {
    super(ctx, fieldNamePrefix);
    this.fieldNameX = fieldNamePrefix + SUFFIX_X;
    this.fieldNameY = fieldNamePrefix + SUFFIX_Y;

    int numPairs = 0;
    if ((this.hasStored = fieldType.stored())) {
      numPairs++;
    }
    if ((this.hasDocVals = fieldType.docValuesType() != DocValuesType.NONE)) {
      numPairs++;
    }
    if ((this.hasPointVals = fieldType.pointDimensionCount() > 0)) {
      numPairs++;
    }
    if (fieldType.indexOptions() != IndexOptions.NONE && fieldType.numericType() != null) {
      if (hasPointVals) {
        throw new IllegalArgumentException(
            "pointValues and LegacyNumericType are mutually exclusive");
      }
      if (fieldType.numericType() != FieldType.LegacyNumericType.DOUBLE) {
        throw new IllegalArgumentException(
            getClass() + " does not support " + fieldType.numericType());
      }
      numPairs++;
      legacyNumericFieldType = new FieldType(LegacyDoubleField.TYPE_NOT_STORED);
      legacyNumericFieldType.setNumericPrecisionStep(fieldType.numericPrecisionStep());
      legacyNumericFieldType.freeze();
    } else {
      legacyNumericFieldType = null;
    }
    this.fieldsLen = numPairs * 2;
  }
 /**
  * Expert: sets the token stream to be used for indexing and causes isIndexed() and isTokenized()
  * to return true. May be combined with stored values from stringValue() or getBinaryValue()
  */
 public void setTokenStream(TokenStream tokenStream) {
   if (!type.indexed() || !type.tokenized()) {
     throw new IllegalArgumentException("TokenStream fields must be indexed and tokenized");
   }
   if (type.numericType() != null) {
     throw new IllegalArgumentException("cannot set private TokenStream on numeric fields");
   }
   this.tokenStream = tokenStream;
 }
 /** Create a new mutable FieldType with all of the properties from <code>ref</code> */
 public FieldType(FieldType ref) {
   this.indexed = ref.indexed();
   this.stored = ref.stored();
   this.tokenized = ref.tokenized();
   this.storeTermVectors = ref.storeTermVectors();
   this.storeTermVectorOffsets = ref.storeTermVectorOffsets();
   this.storeTermVectorPositions = ref.storeTermVectorPositions();
   this.storeTermVectorPayloads = ref.storeTermVectorPayloads();
   this.omitNorms = ref.omitNorms();
   this.indexOptions = ref.indexOptions();
   this.docValueType = ref.docValueType();
   this.numericType = ref.numericType();
   // Do not copy frozen!
 }