org.apache.lucene.index
Enum MergePolicy.MergeTrigger

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

public static enum MergePolicy.MergeTrigger
extends Enum<MergePolicy.MergeTrigger>

MergeTrigger is passed to MergePolicy.findMerges(MergeTrigger, SegmentInfos) to indicate the event that triggered the merge.


Enum Constant Summary
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.
 
Method Summary
static MergePolicy.MergeTrigger valueOf(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.
 
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

SEGMENT_FLUSH

public static final MergePolicy.MergeTrigger SEGMENT_FLUSH
Merge was triggered by a segment flush.


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.


EXPLICIT

public static final MergePolicy.MergeTrigger EXPLICIT
Merge has been triggered explicitly by the user.


MERGE_FINISHED

public static final MergePolicy.MergeTrigger MERGE_FINISHED
Merge was triggered by a successfully finished merge.

Method Detail

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

valueOf

public static MergePolicy.MergeTrigger 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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