Java Code Examples for org.apache.lucene.store.IndexOutput#writeVInt()

The following examples show how to use org.apache.lucene.store.IndexOutput#writeVInt() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: RAMOnlyPostingsFormat.java    From lucene-solr with Apache License 2.0 5 votes vote down vote up 
@Override
public FieldsConsumer fieldsConsumer(SegmentWriteState writeState) throws IOException {
  final int id = nextID.getAndIncrement();

  // TODO -- ok to do this up front instead of
  // on close....?  should be ok?
  // Write our ID:
  final String idFileName = IndexFileNames.segmentFileName(writeState.segmentInfo.name, writeState.segmentSuffix, ID_EXTENSION);
  IndexOutput out = writeState.directory.createOutput(idFileName, writeState.context);
  boolean success = false;
  try {
    CodecUtil.writeHeader(out, RAM_ONLY_NAME, VERSION_LATEST);
    out.writeVInt(id);
    success = true;
  } finally {
    if (!success) {
      IOUtils.closeWhileHandlingException(out);
    } else {
      IOUtils.close(out);
    }
  }
  
  final RAMPostings postings = new RAMPostings();
  final RAMFieldsConsumer consumer = new RAMFieldsConsumer(writeState, postings);

  synchronized(state) {
    state.put(id, postings);
  }
  return consumer;
}
Example 2
Source File: PersistentSnapshotDeletionPolicy.java    From lucene-solr with Apache License 2.0 5 votes vote down vote up 
synchronized private void persist() throws IOException {
  String fileName = SNAPSHOTS_PREFIX + nextWriteGen;
  IndexOutput out = dir.createOutput(fileName, IOContext.DEFAULT);
  boolean success = false;
  try {
    CodecUtil.writeHeader(out, CODEC_NAME, VERSION_CURRENT);   
    out.writeVInt(refCounts.size());
    for(Entry<Long,Integer> ent : refCounts.entrySet()) {
      out.writeVLong(ent.getKey());
      out.writeVInt(ent.getValue());
    }
    success = true;
  } finally {
    if (!success) {
      IOUtils.closeWhileHandlingException(out);
      IOUtils.deleteFilesIgnoringExceptions(dir, fileName);
    } else {
      IOUtils.close(out);
    }
  }

  dir.sync(Collections.singletonList(fileName));
  
  if (nextWriteGen > 0) {
    String lastSaveFile = SNAPSHOTS_PREFIX + (nextWriteGen-1);
    // exception OK: likely it didn't exist
    IOUtils.deleteFilesIgnoringExceptions(dir, lastSaveFile);
  }

  nextWriteGen++;
}
Example 3
Source File: SolrSnapshotMetaDataManager.java    From lucene-solr with Apache License 2.0 5 votes vote down vote up 
private synchronized void persist() throws IOException {
  String fileName = SNAPSHOTS_PREFIX + nextWriteGen;
  IndexOutput out = dir.createOutput(fileName, IOContext.DEFAULT);
  boolean success = false;
  try {
    CodecUtil.writeHeader(out, CODEC_NAME, VERSION_CURRENT);
    out.writeVInt(nameToDetailsMapping.size());
    for(Entry<String,SnapshotMetaData> ent : nameToDetailsMapping.entrySet()) {
      out.writeString(ent.getKey());
      out.writeString(ent.getValue().getIndexDirPath());
      out.writeVLong(ent.getValue().getGenerationNumber());
    }
    success = true;
  } finally {
    if (!success) {
      IOUtils.closeWhileHandlingException(out);
      IOUtils.deleteFilesIgnoringExceptions(dir, fileName);
    } else {
      IOUtils.close(out);
    }
  }

  dir.sync(Collections.singletonList(fileName));

  if (nextWriteGen > 0) {
    String lastSaveFile = SNAPSHOTS_PREFIX + (nextWriteGen-1);
    // exception OK: likely it didn't exist
    IOUtils.deleteFilesIgnoringExceptions(dir, lastSaveFile);
  }

  nextWriteGen++;
}
Example 4
Source File: OrdsBlockTreeTermsWriter.java    From lucene-solr with Apache License 2.0 4 votes vote down vote up 
private static void writeBytesRef(IndexOutput out, BytesRef bytes) throws IOException {
  out.writeVInt(bytes.length);
  out.writeBytes(bytes.bytes, bytes.offset, bytes.length);
}
Example 5
Source File: VersionBlockTreeTermsWriter.java    From lucene-solr with Apache License 2.0 4 votes vote down vote up 
private static void writeBytesRef(IndexOutput out, BytesRef bytes) throws IOException {
  out.writeVInt(bytes.length);
  out.writeBytes(bytes.bytes, bytes.offset, bytes.length);
}
Example 6
Source File: Lucene84PostingsWriter.java    From lucene-solr with Apache License 2.0 4 votes vote down vote up 
@Override
public void init(IndexOutput termsOut, SegmentWriteState state) throws IOException {
  CodecUtil.writeIndexHeader(termsOut, TERMS_CODEC, VERSION_CURRENT, state.segmentInfo.getId(), state.segmentSuffix);
  termsOut.writeVInt(BLOCK_SIZE);
}
Example 7
Source File: Lucene50PostingsWriter.java    From lucene-solr with Apache License 2.0 4 votes vote down vote up 
@Override
public void init(IndexOutput termsOut, SegmentWriteState state) throws IOException {
  CodecUtil.writeIndexHeader(termsOut, TERMS_CODEC, VERSION_CURRENT, state.segmentInfo.getId(), state.segmentSuffix);
  termsOut.writeVInt(BLOCK_SIZE);
}