Review

14

/mubench/mubench.pipeline/../checkouts/lucene/1918/original-src/org/apache/lucene/store/MMapDirectory.java

clone()

class MMapDirectory.MMapIndexInput {
    public Object clone() {
      MMapIndexInput clone = (MMapIndexInput)super.clone();
      clone.isClone = true;
      clone.buffer = buffer.duplicate();
      return clone;
    }
}

class MMapDirectory.MultiMMapIndexInput {
    public Object clone() {
      MultiMMapIndexInput clone = (MultiMMapIndexInput)super.clone();
      clone.isClone = true;
      clone.buffers = new ByteBuffer[buffers.length];
      // No need to clone bufSizes.
      // Since most clones will use only one buffer, duplicate() could also be
      // done lazy in clones, e.g. when adapting curBuf.
      for (int bufNr = 0; bufNr < buffers.length; bufNr++) {
        clone.buffers[bufNr] = buffers[bufNr].duplicate();
      }
      try {
        clone.seek(getFilePointer());
      } catch(IOException ioe) {
        RuntimeException newException = new RuntimeException(ioe);
        newException.initCause(ioe);
        throw newException;
      };
      return clone;
    }

}