org.apache.lucene.index
Enum IndexWriterConfig.OpenMode

java.lang.Object
  extended by java.lang.Enum<IndexWriterConfig.OpenMode>
      extended by org.apache.lucene.index.IndexWriterConfig.OpenMode
All Implemented Interfaces:
Serializable, Comparable<IndexWriterConfig.OpenMode>
Enclosing class:
IndexWriterConfig

public static enum IndexWriterConfig.OpenMode
extends Enum<IndexWriterConfig.OpenMode>

Specifies the open mode for IndexWriter.


Enum Constant Summary
APPEND
          Opens an existing index.
CREATE
          Creates a new index or overwrites an existing one.
CREATE_OR_APPEND
          Creates a new index if one does not exist, otherwise it opens the index and documents will be appended.
 
Method Summary
static IndexWriterConfig.OpenMode valueOf(String name)
          Returns the enum constant of this type with the specified name.
static IndexWriterConfig.OpenMode[] values()
          Returns an array containing the constants of this enum type, in the order they are declared.
 
Methods inherited from class java.lang.Enum
clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf
 
Methods inherited from class java.lang.Object
getClass, notify, notifyAll, wait, wait, wait
 

Enum Constant Detail

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.


CREATE_OR_APPEND

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 Detail

values

public static IndexWriterConfig.OpenMode[] values()
Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:
for (IndexWriterConfig.OpenMode c : IndexWriterConfig.OpenMode.values())
    System.out.println(c);

Returns:
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.)

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


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