How to use

initFieldType

method

in

org.apache.lucene.search.SortField

/** Creates a sort, possibly in reverse, by terms in the given field with the
 * type of term values explicitly given.
 * @param field  Name of field to sort by.  Can be <code>null</code> if
 *               <code>type</code> is SCORE or DOC.
 * @param type   Type of values in the terms.
 * @param reverse True if natural order should be reversed.
 */
public SortField(String field, Type type, boolean reverse) {
 initFieldType(field, type);
 this.reverse = reverse;
}

/** Creates a sort, possibly in reverse, with a custom comparison function.
 * @param field Name of field to sort by; cannot be <code>null</code>.
 * @param comparator Returns a comparator for sorting hits.
 * @param reverse True if natural order should be reversed.
 */
public SortField(String field, FieldComparatorSource comparator, boolean reverse) {
 initFieldType(field, Type.CUSTOM);
 this.reverse = reverse;
 this.comparatorSource = comparator;
}

/** Creates a sort by terms in the given field with the type of term
 * values explicitly given.
 * @param field  Name of field to sort by.  Can be <code>null</code> if
 *               <code>type</code> is SCORE or DOC.
 * @param type   Type of values in the terms.
 */
public SortField(String field, Type type) {
 initFieldType(field, type);
}

/** Creates a sort with a custom comparison function.
 * @param field Name of field to sort by; cannot be <code>null</code>.
 * @param comparator Returns a comparator for sorting hits.
 */
public SortField(String field, FieldComparatorSource comparator) {
 initFieldType(field, Type.CUSTOM);
 this.comparatorSource = comparator;
}

/** Creates a sort, possibly in reverse, with a custom comparison function.
 * @param field Name of field to sort by; cannot be <code>null</code>.
 * @param comparator Returns a comparator for sorting hits.
 * @param reverse True if natural order should be reversed.
 */
public SortField(String field, FieldComparatorSource comparator, boolean reverse) {
 initFieldType(field, Type.CUSTOM);
 this.reverse = reverse;
 this.comparatorSource = comparator;
}

/** Creates a sort by terms in the given field with the type of term
 * values explicitly given.
 * @param field  Name of field to sort by.  Can be <code>null</code> if
 *               <code>type</code> is SCORE or DOC.
 * @param type   Type of values in the terms.
 */
public SortField(String field, Type type) {
 initFieldType(field, type);
}

/** Creates a sort, possibly in reverse, by terms in the given field with the
 * type of term values explicitly given.
 * @param field  Name of field to sort by.  Can be <code>null</code> if
 *               <code>type</code> is SCORE or DOC.
 * @param type   Type of values in the terms.
 * @param reverse True if natural order should be reversed.
 */
public SortField(String field, Type type, boolean reverse) {
 initFieldType(field, type);
 this.reverse = reverse;
}

/** Creates a sort, possibly in reverse, with a custom comparison function.
 * @param field Name of field to sort by; cannot be <code>null</code>.
 * @param comparator Returns a comparator for sorting hits.
 * @param reverse True if natural order should be reversed.
 */
public SortField(String field, FieldComparatorSource comparator, boolean reverse) {
 initFieldType(field, Type.CUSTOM);
 this.reverse = reverse;
 this.comparatorSource = comparator;
}

/** Creates a sort with a custom comparison function.
 * @param field Name of field to sort by; cannot be <code>null</code>.
 * @param comparator Returns a comparator for sorting hits.
 */
public SortField(String field, FieldComparatorSource comparator) {
 initFieldType(field, Type.CUSTOM);
 this.comparatorSource = comparator;
}

/** Creates a sort, possibly in reverse, with a custom comparison function.
 * @param field Name of field to sort by; cannot be <code>null</code>.
 * @param comparator Returns a comparator for sorting hits.
 * @param reverse True if natural order should be reversed.
 */
public SortField(String field, FieldComparatorSource comparator, boolean reverse) {
 initFieldType(field, Type.CUSTOM);
 this.reverse = reverse;
 this.comparatorSource = comparator;
}

/** Creates a sort, possibly in reverse, by terms in the given field with the
 * type of term values explicitly given.
 * @param field  Name of field to sort by.  Can be <code>null</code> if
 *               <code>type</code> is SCORE or DOC.
 * @param type   Type of values in the terms.
 * @param reverse True if natural order should be reversed.
 */
public SortField(String field, Type type, boolean reverse) {
 initFieldType(field, type);
 this.reverse = reverse;
}

/** Creates a sort with a custom comparison function.
 * @param field Name of field to sort by; cannot be <code>null</code>.
 * @param comparator Returns a comparator for sorting hits.
 */
public SortField(String field, FieldComparatorSource comparator) {
 initFieldType(field, Type.CUSTOM);
 this.comparatorSource = comparator;
}

/** Creates a sort by terms in the given field with the type of term
 * values explicitly given.
 * @param field  Name of field to sort by.  Can be <code>null</code> if
 *               <code>type</code> is SCORE or DOC.
 * @param type   Type of values in the terms.
 */
public SortField(String field, Type type) {
 initFieldType(field, type);
}

/** Creates a sort, possibly in reverse, by terms in the given field with the
 * type of term values explicitly given.
 * @param field  Name of field to sort by.  Can be <code>null</code> if
 *               <code>type</code> is SCORE or DOC.
 * @param type   Type of values in the terms.
 * @param reverse True if natural order should be reversed.
 */
public SortField(String field, Type type, boolean reverse) {
 initFieldType(field, type);
 this.reverse = reverse;
}

/** Creates a sort by terms in the given field with the type of term
 * values explicitly given.
 * @param field  Name of field to sort by.  Can be <code>null</code> if
 *               <code>type</code> is SCORE or DOC.
 * @param type   Type of values in the terms.
 */
public SortField(String field, Type type) {
 initFieldType(field, type);
}

/** Creates a sort with a custom comparison function.
 * @param field Name of field to sort by; cannot be <code>null</code>.
 * @param comparator Returns a comparator for sorting hits.
 */
public SortField(String field, FieldComparatorSource comparator) {
 initFieldType(field, Type.CUSTOM);
 this.comparatorSource = comparator;
}