org.apache.lucene.index

Interface MergeScheduler.MergeSource

Enclosing class:

MergeScheduler

public static interface MergeScheduler.MergeSource

Provides access to new merges and executes the actual merge

WARNING: This API is experimental and might change in incompatible ways in the next release.

Method Summary

Modifier and Type	Method and Description
MergePolicy.OneMerge	getNextMerge() The MergeScheduler calls this method to retrieve the next merge requested by the MergePolicy
boolean	hasPendingMerges() Expert: returns true if there are merges waiting to be scheduled.
void	merge(MergePolicy.OneMerge merge) Merges the indicated segments, replacing them in the stack with a single segment.
void	onMergeFinished(MergePolicy.OneMerge merge) Does finishing for a merge.

Method Detail

getNextMerge

MergePolicy.OneMerge getNextMerge()

The MergeScheduler calls this method to retrieve the next merge requested by the MergePolicy

onMergeFinished

void onMergeFinished(MergePolicy.OneMerge merge)

Does finishing for a merge.

hasPendingMerges

boolean hasPendingMerges()

Expert: returns true if there are merges waiting to be scheduled.

merge

void merge(MergePolicy.OneMerge merge)
    throws IOException

Merges the indicated segments, replacing them in the stack with a single segment.

Throws:

IOException