Package org.apache.lucene.index
Enum IndexWriterConfig.OpenMode
- java.lang.Object
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- java.lang.Enum<IndexWriterConfig.OpenMode>
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- org.apache.lucene.index.IndexWriterConfig.OpenMode
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- All Implemented Interfaces:
Serializable
,Comparable<IndexWriterConfig.OpenMode>
- Enclosing class:
- IndexWriterConfig
public static enum IndexWriterConfig.OpenMode extends Enum<IndexWriterConfig.OpenMode>
Specifies the open mode forIndexWriter
: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.APPEND
- opens an existing index.
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Enum Constant Summary
Enum Constants Enum Constant Description APPEND
CREATE
CREATE_OR_APPEND
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method Description 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.
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Enum Constant Detail
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CREATE
public static final IndexWriterConfig.OpenMode CREATE
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APPEND
public static final IndexWriterConfig.OpenMode APPEND
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CREATE_OR_APPEND
public static final IndexWriterConfig.OpenMode CREATE_OR_APPEND
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Method Detail
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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
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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 nameNullPointerException
- if the argument is null
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