+++ /dev/null
-package org.apache.lucene.index;
-
-/**
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-import java.util.List;
-
-/**
- * This {@link 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.
- */
-
-public final class KeepOnlyLastCommitDeletionPolicy implements IndexDeletionPolicy {
-
- /**
- * Deletes all commits except the most recent one.
- */
- public void onInit(List<? extends IndexCommit> commits) {
- // Note that commits.size() should normally be 1:
- onCommit(commits);
- }
-
- /**
- * Deletes all commits except the most recent one.
- */
- public void onCommit(List<? extends IndexCommit> 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++) {
- commits.get(i).delete();
- }
- }
-}