Package org.apache.lucene.index
Class KeepOnlyLastCommitDeletionPolicy
java.lang.Object
org.apache.lucene.index.IndexDeletionPolicy
org.apache.lucene.index.KeepOnlyLastCommitDeletionPolicy
This
IndexDeletionPolicy implementation that keeps only the most recent commit and
immediately removes all prior commits after a new commit is done. This is the default deletion
policy.-
Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionvoidonCommit(List<? extends IndexCommit> commits) Deletes all commits except the most recent one.voidonInit(List<? extends IndexCommit> commits) Deletes all commits except the most recent one.
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Constructor Details
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KeepOnlyLastCommitDeletionPolicy
public KeepOnlyLastCommitDeletionPolicy()Sole constructor.
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Method Details
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onInit
Deletes all commits except the most recent one.- Specified by:
onInitin classIndexDeletionPolicy- Parameters:
commits- List of currentpoint-in-time commits, sorted by age (the 0th one is the oldest commit). Note that for a new index this method is invoked with an empty list.
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onCommit
Deletes all commits except the most recent one.- Specified by:
onCommitin classIndexDeletionPolicy- Parameters:
commits- List ofIndexCommit, sorted by age (the 0th one is the oldest commit).
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