Hi Dancer:
Found this thread with good info that may be irrelevant to your scenario but,
this in particular struck me
writer.waitForMerges();
writer.commit();
replicator. replicate(new IndexRevision(writer));
writer.close();
—
even though writer.close() can trigger a commit. hmmm
thread:
http://grokbase.com/t/lucene/java-user/143dsnrxh8/replicator-how-to-use-it
<http://grokbase.com/t/lucene/java-user/143dsnrxh8/replicator-how-to-use-it>
-will
> On Jan 23, 2016, at 4:39 AM, Dancer <462921...@qq.com> wrote:
>
> Hi,
> here is my code to backup index files with Lucene Replicator,but It doesn't
> work well, No files were backuped.
> Could you check my code and give me your advice?
>
>
> public class IndexFiles {
>
>
> private static Directory dir;
> private static Path bakPath;
> private static LocalReplicator replicator;
>
>
> public static LocalReplicator getInstance() {
> if (replicator == null) {
> replicator = new LocalReplicator();
> }
> return replicator;
> }
> public static Directory getDirInstance() {
> if (dir == null) {
> try {
> dir = FSDirectory.open(Paths.get("/tmp/index"));
> } catch (IOException e) {
> e.printStackTrace();
> }
> }
> return dir;
> }
> public static Path getPathInstance() {
> if (bakPath == null) {
> bakPath = Paths.get("/tmp/indexBak");
> }
> return bakPath;
> }
>
>
>
> /** Index all text files under a directory. */
> public static void main(String[] args) {
> String id = "-oderfilssdhsjs";
> String title = "足球周刊";
> String body = "今天野狗，我们将关注欧冠赛场，曼联在客场先进一球的情况下，遭对手沃尔夫斯堡以总比分3：2淘汰，"
> +
> "遗憾出局，将参加欧联杯的比赛，当红球星马夏尔贡献一球，狼堡进了一个乌龙球，狼堡十号球员德拉克斯勒" +
> "表现惊艳，多次导演攻势，希望22岁的他能在足球之路上走的更远。";
> try {
> // Directory dir =
> FSDirectory.open(Paths.get(indexPath));
> Analyzer analyzer = new IKAnalyzer(true);
> IndexWriterConfig iwc = new IndexWriterConfig(analyzer);
> iwc.setOpenMode(OpenMode.CREATE_OR_APPEND);
> SnapshotDeletionPolicy snapshotter = new
> SnapshotDeletionPolicy(new KeepOnlyLastCommitDeletionPolicy());
> iwc.setIndexDeletionPolicy(snapshotter);
> IndexWriter writer = new
> IndexWriter(IndexFiles.getDirInstance(), iwc);// the
> LocalReplicator replicator = IndexFiles.getInstance();
>
>
> Document doc = new Document();
> Field articleId = new StringField("id", id,
> Field.Store.YES);
> doc.add(articleId);
> Field articleTitle = new TextField("title", title,
> Field.Store.YES);
> doc.add(articleTitle);
> Field articleBody = new TextField("body", body,
> Field.Store.NO);
> doc.add(articleBody);
> Field tag1 = new TextField("tags", "野狗",
> Field.Store.NO);
> doc.add(tag1);
> // Field tag2 = new TextField("tags", "运动",
> Field.Store.NO);
> // doc.add(tag2);
> // Field tag3 = new TextField("tags", "国足",
> Field.Store.NO);
> // doc.add(tag3);
> // Field tag4 = new TextField("tags", "席大大",
> Field.Store.NO);
> // doc.add(tag4);
>
>
> writer.updateDocument(new Term("id", id), doc);
> writer.commit();
> ReplicatorThread p = new ReplicatorThread();
> new Thread(p, "ReplicatorThread").start();
> replicator.publish(new IndexRevision(writer));
> Thread.sleep(50000);
> writer.close();
> } catch (IOException e) {
> System.out.println(" caught a " + e.getClass() + "\n
> with message: " + e.getMessage());
> } catch (InterruptedException e) {
> e.printStackTrace();
> }
> }
> }
>
>
> class ReplicatorThread implements Runnable {
>
>
> public void run() {
> Callable<Boolean> callback = null;
> ReplicationHandler handler = null;
> try {
> handler = new
> IndexReplicationHandler(IndexFiles.getDirInstance(), callback);
> SourceDirectoryFactory factory = new
> PerSessionDirectoryFactory(IndexFiles.getPathInstance());
> ReplicationClient client = new
> ReplicationClient(IndexFiles.getInstance(), handler, factory);
> client.updateNow();
> try {
> Thread.sleep(10000);
> } catch (InterruptedException e) {
> e.printStackTrace();
> }
> } catch (IOException e) {
> e.printStackTrace();
> }
> System.out.println("death");
> }
> }
>
> Best Regards.
> Jean Ju
