Package org.apache.lucene.index

Enum DocValuesType

java.lang.Object
java.lang.Enum<DocValuesType>
org.apache.lucene.index.DocValuesType
All Implemented Interfaces:
Serializable, Comparable<DocValuesType>
public enum DocValuesType extends Enum<DocValuesType>
DocValues types. Note that DocValues is strongly typed, so a field cannot have different types across different documents.

  • Enum Constant Details

    • NONE

      public static final DocValuesType NONE
      No doc values for this field.

    • NUMERIC

      public static final DocValuesType NUMERIC
      A per-document Number

    • BINARY

      public static final DocValuesType BINARY
      A per-document byte[]. Values may be larger than 32766 bytes, but different codecs may enforce their own limits.

    • SORTED

      public static final DocValuesType SORTED
      A pre-sorted byte[]. Fields with this type only store distinct byte values and store an additional offset pointer per document to dereference the shared byte[]. The stored byte[] is presorted and allows access via document id, ordinal and by-value. Values must be <= 32766 bytes.

    • SORTED_NUMERIC

      public static final DocValuesType SORTED_NUMERIC
      A pre-sorted Number[]. Fields with this type store numeric values in sorted order according to Long.compare(long, long).

    • SORTED_SET

      public static final DocValuesType SORTED_SET
      A pre-sorted Set<byte[]>. Fields with this type only store distinct byte values and store additional offset pointers per document to dereference the shared byte[]s. The stored byte[] is presorted and allows access via document id, ordinal and by-value. Values must be <= 32766 bytes.

  • Method Details

    • values

      public static DocValuesType[] values()
      Returns an array containing the constants of this enum type, in the order they are declared.
      Returns:
      an array containing the constants of this enum type, in the order they are declared

    • valueOf

      public static DocValuesType valueOf(String name)
      Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)
      Parameters:
      name - the name of the enum constant to be returned.
      Returns:
      the enum constant with the specified name
      Throws:
      IllegalArgumentException - if this enum type has no constant with the specified name
      NullPointerException - if the argument is null