Package org.apache.lucene.index
Enum MergePolicy.MergeTrigger
- java.lang.Object
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- java.lang.Enum<MergePolicy.MergeTrigger>
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- org.apache.lucene.index.MergePolicy.MergeTrigger
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- All Implemented Interfaces:
java.io.Serializable
,java.lang.Comparable<MergePolicy.MergeTrigger>
- Enclosing class:
- MergePolicy
public static enum MergePolicy.MergeTrigger extends java.lang.Enum<MergePolicy.MergeTrigger>
MergeTrigger is passed toMergePolicy.findMerges(MergeTrigger, SegmentInfos)
to indicate the event that triggered the merge.
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Enum Constant Summary
Enum Constants Enum Constant Description EXPLICIT
Merge has been triggered explicitly by the user.FULL_FLUSH
Merge was triggered by a full flush.MERGE_FINISHED
Merge was triggered by a successfully finished merge.SEGMENT_FLUSH
Merge was triggered by a segment flush.
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method Description static MergePolicy.MergeTrigger
valueOf(java.lang.String name)
Returns the enum constant of this type with the specified name.static MergePolicy.MergeTrigger[]
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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SEGMENT_FLUSH
public static final MergePolicy.MergeTrigger SEGMENT_FLUSH
Merge was triggered by a segment flush.
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FULL_FLUSH
public static final MergePolicy.MergeTrigger 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.
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EXPLICIT
public static final MergePolicy.MergeTrigger EXPLICIT
Merge has been triggered explicitly by the user.
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MERGE_FINISHED
public static final MergePolicy.MergeTrigger MERGE_FINISHED
Merge was triggered by a successfully finished merge.
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Method Detail
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values
public static MergePolicy.MergeTrigger[] 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 (MergePolicy.MergeTrigger c : MergePolicy.MergeTrigger.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 MergePolicy.MergeTrigger valueOf(java.lang.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:
java.lang.IllegalArgumentException
- if this enum type has no constant with the specified namejava.lang.NullPointerException
- if the argument is null
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