How to use

setIndexCommit

method

in

org.apache.lucene.index.IndexWriterConfig

private static IndexWriter newIndexWriter(final IndexWriterConfig.OpenMode openMode, final Directory dir, final IndexCommit commit)
  throws IOException {
  assert openMode == IndexWriterConfig.OpenMode.APPEND || commit == null : "can't specify create flag with a commit";
  IndexWriterConfig iwc = new IndexWriterConfig(null)
    .setSoftDeletesField(Lucene.SOFT_DELETES_FIELD)
    .setCommitOnClose(false)
    .setIndexCommit(commit)
    // we don't want merges to happen here - we call maybe merge on the engine
    // later once we stared it up otherwise we would need to wait for it here
    // we also don't specify a codec here and merges should use the engines for this index
    .setMergePolicy(NoMergePolicy.INSTANCE)
    .setOpenMode(openMode);
  return new IndexWriter(dir, iwc);
}

try (IndexWriter writer = new IndexWriter(directory, new IndexWriterConfig(Lucene.STANDARD_ANALYZER)
    .setSoftDeletesField(Lucene.SOFT_DELETES_FIELD)
    .setIndexCommit(cp)
    .setCommitOnClose(false)
    .setMergePolicy(NoMergePolicy.INSTANCE)

private static IndexWriter newIndexWriter(final IndexWriterConfig.OpenMode openMode, final Directory dir, final IndexCommit commit)
  throws IOException {
  assert openMode == IndexWriterConfig.OpenMode.APPEND || commit == null : "can't specify create flag with a commit";
  IndexWriterConfig iwc = new IndexWriterConfig(null)
    .setCommitOnClose(false)
    .setIndexCommit(commit)
    // we don't want merges to happen here - we call maybe merge on the engine
    // later once we stared it up otherwise we would need to wait for it here
    // we also don't specify a codec here and merges should use the engines for this index
    .setMergePolicy(NoMergePolicy.INSTANCE)
    .setOpenMode(openMode);
  return new IndexWriter(dir, iwc);
}

private static IndexWriter newIndexWriter(final IndexWriterConfig.OpenMode openMode, final Directory dir, final IndexCommit commit)
  throws IOException {
  assert openMode == IndexWriterConfig.OpenMode.APPEND || commit == null : "can't specify create flag with a commit";
  IndexWriterConfig iwc = new IndexWriterConfig(null)
    .setSoftDeletesField(Lucene.SOFT_DELETES_FIELD)
    .setCommitOnClose(false)
    .setIndexCommit(commit)
    // we don't want merges to happen here - we call maybe merge on the engine
    // later once we stared it up otherwise we would need to wait for it here
    // we also don't specify a codec here and merges should use the engines for this index
    .setMergePolicy(NoMergePolicy.INSTANCE)
    .setOpenMode(openMode);
  return new IndexWriter(dir, iwc);
}

.setIndexCommit(cp)
.setCommitOnClose(false)
.setMergePolicy(NoMergePolicy.INSTANCE)

.setIndexCommit(cp)
.setCommitOnClose(false)
.setMergePolicy(NoMergePolicy.INSTANCE)

.setIndexCommit(cp)
.setCommitOnClose(false)
.setMergePolicy(NoMergePolicy.INSTANCE)

.setIndexCommit(cp)
.setCommitOnClose(false)
.setMergePolicy(NoMergePolicy.INSTANCE)

try (IndexWriter writer = new IndexWriter(directory, new IndexWriterConfig(Lucene.STANDARD_ANALYZER)
    .setSoftDeletesField(Lucene.SOFT_DELETES_FIELD)
    .setIndexCommit(cp)
    .setCommitOnClose(false)
    .setMergePolicy(NoMergePolicy.INSTANCE)

iwConf.setIndexDeletionPolicy(indexDeletionPolicy);
if (commit != null) {
 iwConf.setIndexCommit(commit);