LuceneIndexFileNameFilter.java
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上传日期:2018-01-08
资源大小:41811k
文件大小:2k
源码类别:
网格计算
开发平台:
Java
- /**
- * 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.
- */
- package org.apache.hadoop.contrib.index.lucene;
- import org.apache.hadoop.fs.Path;
- import org.apache.hadoop.fs.PathFilter;
- import org.apache.lucene.index.IndexFileNameFilter;
- /**
- * A wrapper class to convert an IndexFileNameFilter which implements
- * java.io.FilenameFilter to an org.apache.hadoop.fs.PathFilter.
- */
- class LuceneIndexFileNameFilter implements PathFilter {
- private static final LuceneIndexFileNameFilter singleton =
- new LuceneIndexFileNameFilter();
- /**
- * Get a static instance.
- * @return the static instance
- */
- public static LuceneIndexFileNameFilter getFilter() {
- return singleton;
- }
- private final IndexFileNameFilter luceneFilter;
- private LuceneIndexFileNameFilter() {
- luceneFilter = IndexFileNameFilter.getFilter();
- }
- /* (non-Javadoc)
- * @see org.apache.hadoop.fs.PathFilter#accept(org.apache.hadoop.fs.Path)
- */
- public boolean accept(Path path) {
- return luceneFilter.accept(null, path.getName());
- }
- }