Enum CompletionPostingsFormat.FSTLoadMode
- java.lang.Object
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- java.lang.Enum<CompletionPostingsFormat.FSTLoadMode>
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- org.apache.lucene.search.suggest.document.CompletionPostingsFormat.FSTLoadMode
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- All Implemented Interfaces:
Serializable
,Comparable<CompletionPostingsFormat.FSTLoadMode>
- Enclosing class:
- CompletionPostingsFormat
public static enum CompletionPostingsFormat.FSTLoadMode extends Enum<CompletionPostingsFormat.FSTLoadMode>
An enum that allows to control if suggester FSTs are loaded into memory or read off-heap
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method Description static CompletionPostingsFormat.FSTLoadMode
valueOf(String name)
Returns the enum constant of this type with the specified name.static CompletionPostingsFormat.FSTLoadMode[]
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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OFF_HEAP
public static final CompletionPostingsFormat.FSTLoadMode OFF_HEAP
Always read FSTs from disk. NOTE: If this option is used the FST will be read off-heap even if buffered directory implementations are used.
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ON_HEAP
public static final CompletionPostingsFormat.FSTLoadMode ON_HEAP
Never read FSTs from disk ie. all suggest fields FSTs are loaded into memory
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AUTO
public static final CompletionPostingsFormat.FSTLoadMode AUTO
Automatically make the decision if FSTs are read from disk depending if the segment read from an MMAPDirectory
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Method Detail
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values
public static CompletionPostingsFormat.FSTLoadMode[] 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 (CompletionPostingsFormat.FSTLoadMode c : CompletionPostingsFormat.FSTLoadMode.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 CompletionPostingsFormat.FSTLoadMode 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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