org.apache.lucene.index: public final class: KeepOnlyLastCommitDeletionPolicy

org.apache.lucene.index
public final class: KeepOnlyLastCommitDeletionPolicy [javadoc | source]

java.lang.Object
   org.apache.lucene.index.KeepOnlyLastCommitDeletionPolicy

All Implemented Interfaces:
IndexDeletionPolicy

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.

Method from org.apache.lucene.index.KeepOnlyLastCommitDeletionPolicy Summary:
onCommit, onInit

Methods from java.lang.Object:
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method from org.apache.lucene.index.KeepOnlyLastCommitDeletionPolicy Detail:
public void onCommit(List commits) { // Note that commits.size() should normally be 2 (if not // called by onInit above): int size = commits.size(); for(int i=0;i< size-1;i++) { ((IndexCommit) commits.get(i)).delete(); } } Deletes all commits except the most recent one.
public void onInit(List commits) { // Note that commits.size() should normally be 1: onCommit(commits); } Deletes all commits except the most recent one.

Method from org.apache.lucene.index.KeepOnlyLastCommitDeletionPolicy Detail:

 public  void onCommit(List commits) {
    // Note that commits.size() should normally be 2 (if not
    // called by onInit above):
    int size = commits.size();
    for(int i=0;i< size-1;i++) {
      ((IndexCommit) commits.get(i)).delete();
    }
}

Deletes all commits except the most recent one.

 public  void onInit(List commits) {
    // Note that commits.size() should normally be 1:
    onCommit(commits);
}

Deletes all commits except the most recent one.