Examples of KeepOnlyLastCommitDeletionPolicy

org.apache.lucene.index.KeepOnlyLastCommitDeletionPolicy
This {@link IndexDeletionPolicy} implementation thatkeeps only the most recent commit and immediately removes all prior commits after a new commit is done. This is the default deletion policy.

Examples of org.apache.lucene.index.KeepOnlyLastCommitDeletionPolicy

      fs.mkdirs(perm);
  }


  this.dir = new FileSystemDirectory(fs, perm, true, iconf);
  writer = new IndexWriter(dir, null,
          new KeepOnlyLastCommitDeletionPolicy(),
          MaxFieldLength.UNLIMITED);
//  writer.setMergeScheduler(new SerialMergeScheduler());//new ConcurrentMergeScheduler()
  writer.setMergeFactor(256);
  writer.setTermIndexInterval(128);
  writer.setUseCompoundFile(false);

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Examples of org.apache.lucene.index.KeepOnlyLastCommitDeletionPolicy

  private int numDocs = 0;


  public RamWriter() throws IOException {
    dir = new RAMDirectory();
    writer = new IndexWriter(dir, null,
        new KeepOnlyLastCommitDeletionPolicy(),
        MaxFieldLength.UNLIMITED);
    writer.setUseCompoundFile(false);
//    writer.setMergeScheduler(new SerialMergeScheduler());
    writer.setMergeFactor(10);
    writer.setTermIndexInterval(128);

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Examples of org.apache.lucene.index.KeepOnlyLastCommitDeletionPolicy

          reader=IndexReader.open(dir);
        }else if(p.partion.equals("default"))
        {
          RAMDirectory rd=new RAMDirectory();
          rd.setCore(this,p);
          IndexWriter writer=new IndexWriter(rd, null,new KeepOnlyLastCommitDeletionPolicy(), MaxFieldLength.UNLIMITED);
          writer.setMergeFactor(10);
          writer.setUseCompoundFile(false);
          writer.close();  
          reader=IndexReader.open(rd);
        }else{

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Examples of org.apache.lucene.index.KeepOnlyLastCommitDeletionPolicy

      File workerspace=new File(path,getWorkDir(path.getAbsolutePath()));
      deleteDirectory(workerspace);
      workerspace.mkdirs();
      
      FSDirectory dir= open(workerspace,lockFactory);
      IndexWriter writer=new IndexWriter(dir, null,new KeepOnlyLastCommitDeletionPolicy(), MaxFieldLength.UNLIMITED);
      writer.setMergeFactor(512);
      writer.setUseCompoundFile(false);
      if(dirlist.size()>0)
      {
        Directory[] dirs=new Directory[dirlist.size()];

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Examples of org.apache.lucene.index.KeepOnlyLastCommitDeletionPolicy

  private void merger(ArrayList<DirectoryInfo> mlist,DirectoryInfo to) throws CorruptIndexException, IOException
  {
    try{
      long txid=0;
      to.d.setSchema(params.core.getSchema());
      IndexWriter writer=new IndexWriter(to.d, null,new KeepOnlyLastCommitDeletionPolicy(), MaxFieldLength.UNLIMITED);
      writer.setMergeFactor(64);
      writer.setUseCompoundFile(false);
      
      for(DirectoryInfo tomr:mlist)
      {

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Examples of org.apache.lucene.index.KeepOnlyLastCommitDeletionPolicy

      bufferDirector.put(RAM_KEY, buffer);
    }


    buffer.d.setSchema(params.core.getSchema());
    IndexWriter writer = new IndexWriter(buffer.d, null,
        new KeepOnlyLastCommitDeletionPolicy(),
        MaxFieldLength.UNLIMITED);
    writer.setMergeFactor(10);
    writer.setUseCompoundFile(false);


    ArrayList<Document> doclist = new ArrayList<Document>(flush.size());

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Examples of org.apache.lucene.index.KeepOnlyLastCommitDeletionPolicy

  private void merger(ArrayList<DirectoryInfo> mlist,DirectoryInfo to) throws CorruptIndexException, IOException
  {
    try{
      long txid=0;
      to.d.setSchema(params.core.getSchema());
      IndexWriter writer=new IndexWriter(to.d, null,new KeepOnlyLastCommitDeletionPolicy(), MaxFieldLength.UNLIMITED);
      writer.setMergeFactor(64);
      writer.setUseCompoundFile(false);
      
      for(DirectoryInfo tomr:mlist)
      {

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Examples of org.apache.lucene.index.KeepOnlyLastCommitDeletionPolicy

      bufferDirector.put(RAM_KEY, buffer);
    }


    buffer.d.setSchema(params.core.getSchema());
    IndexWriter writer = new IndexWriter(buffer.d, null,
        new KeepOnlyLastCommitDeletionPolicy(),
        MaxFieldLength.UNLIMITED);
    writer.setMergeFactor(10);
    writer.setUseCompoundFile(false);


    ArrayList<Document> doclist = new ArrayList<Document>(flush.size());

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Examples of org.apache.lucene.index.KeepOnlyLastCommitDeletionPolicy

  }


  public void testReuseAcrossWriters() throws Exception {
    Directory dir = new MockRAMDirectory();


    SnapshotDeletionPolicy dp = new SnapshotDeletionPolicy(new KeepOnlyLastCommitDeletionPolicy());
    IndexWriter writer = new IndexWriter(dir, true,new StandardAnalyzer(), dp);
    // Force frequent commits
    writer.setMaxBufferedDocs(2);
    Document doc = new Document();
    doc.add(new Field("content", "aaa", Field.Store.YES, Field.Index.ANALYZED, Field.TermVector.WITH_POSITIONS_OFFSETS));

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Examples of org.apache.lucene.index.KeepOnlyLastCommitDeletionPolicy


  private void runTest(Directory dir) throws Exception {
    // Run for ~7 seconds
    final long stopTime = System.currentTimeMillis() + 7000;


    SnapshotDeletionPolicy dp = new SnapshotDeletionPolicy(new KeepOnlyLastCommitDeletionPolicy());
    final IndexWriter writer = new IndexWriter(dir, true, new StandardAnalyzer(), dp);


    // Force frequent commits
    writer.setMaxBufferedDocs(2);

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