public void undelete() {
// 使用IndexReader进行恢复
try {
IndexReader reader = IndexReader.open(directory, false);
// 恢复时，必须把IndexReader的只读(readOnly)设置为false
reader.undeleteAll();
reader.close();
} catch (CorruptIndexException e) {
e.printStackTrace();
} catch (StaleReaderException e) {
e.printStackTrace();
} catch (LockObtainFailedException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
/** 恢复索引 */
public void undelete() {
IndexReader reader = null;
try {
reader = IndexReader.open(directory, false);
// 恢复时，必须把indexreader的只读(readonly)设为false
reader.undeleteAll();
} catch (CorruptIndexException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} finally {
if (reader != null)
try {
reader.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
/** @see LuceneIndexReader#undeleteAll() */
public void undeleteAll() throws IOException {
indexReader.undeleteAll();
}