Java 类org.apache.lucene.util.ByteBlockPool.DirectTrackingAllocator 实例源码

public DocumentsWriterPerThread(Directory directory, DocumentsWriter parent,
    FieldInfos.Builder fieldInfos, IndexingChain indexingChain) {
  this.directoryOrig = directory;
  this.directory = new TrackingDirectoryWrapper(directory);
  this.parent = parent;
  this.fieldInfos = fieldInfos;
  this.writer = parent.indexWriter;
  this.infoStream = parent.infoStream;
  this.codec = parent.codec;
  this.docState = new DocState(this, infoStream);
  this.docState.similarity = parent.indexWriter.getConfig().getSimilarity();
  bytesUsed = Counter.newCounter();
  byteBlockAllocator = new DirectTrackingAllocator(bytesUsed);
  pendingDeletes = new BufferedDeletes();
  intBlockAllocator = new IntBlockAllocator(bytesUsed);
  initialize();
  // this should be the last call in the ctor 
  // it really sucks that we need to pull this within the ctor and pass this ref to the chain!
  consumer = indexingChain.getChain(this);
}

public BinaryDocValuesWriter(FieldInfo fieldInfo, Counter iwBytesUsed) {
  this.fieldInfo = fieldInfo;
  this.pool = new ByteBlockPool(new DirectTrackingAllocator(iwBytesUsed));
  this.lengths = new AppendingLongBuffer();
}