Enum IndexWriterConfig.OpenMode

All Implemented Interfaces:
Serializable, Comparable<IndexWriterConfig.OpenMode>
Enclosing class:

public static enum IndexWriterConfig.OpenMode extends Enum<IndexWriterConfig.OpenMode>
Specifies the open mode for IndexWriter.
  • Enum Constant Details

    • CREATE

      public static final IndexWriterConfig.OpenMode CREATE
      Creates a new index or overwrites an existing one.
    • APPEND

      public static final IndexWriterConfig.OpenMode APPEND
      Opens an existing index.

      public static final IndexWriterConfig.OpenMode CREATE_OR_APPEND
      Creates a new index if one does not exist, otherwise it opens the index and documents will be appended.
  • Method Details

    • values

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

      public static IndexWriterConfig.OpenMode 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.)
      name - the name of the enum constant to be returned.
      the enum constant with the specified name
      IllegalArgumentException - if this enum type has no constant with the specified name
      NullPointerException - if the argument is null