Package org.apache.lucene.index
Enum MergeTrigger
- All Implemented Interfaces:
Serializable
,Comparable<MergeTrigger>
MergeTrigger is passed to
MergePolicy.findMerges(MergeTrigger, SegmentInfos, MergePolicy.MergeContext)
to indicate the event that triggered the merge.-
Enum Constant Summary
Enum ConstantDescriptionMerge was triggered by a closing IndexWriter.Merge was triggered on commit.Merge has been triggered explicitly by the user.Merge was triggered by a full flush.Merge was triggered on opening NRT readers.Merge was triggered by a successfully finished merge.Merge was triggered by a segment flush. -
Method Summary
Modifier and TypeMethodDescriptionstatic MergeTrigger
Returns the enum constant of this type with the specified name.static MergeTrigger[]
values()
Returns an array containing the constants of this enum type, in the order they are declared.
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Enum Constant Details
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SEGMENT_FLUSH
Merge was triggered by a segment flush. -
FULL_FLUSH
Merge was triggered by a full flush. Full flushes can be caused by a commit, NRT reader reopen or a close call on the index writer. -
EXPLICIT
Merge has been triggered explicitly by the user. -
MERGE_FINISHED
Merge was triggered by a successfully finished merge. -
CLOSING
Merge was triggered by a closing IndexWriter. -
COMMIT
Merge was triggered on commit. -
GET_READER
Merge was triggered on opening NRT readers.
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Method Details
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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
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valueOf
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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