How to use

appendPostings

method

in

org.apache.lucene.index.SegmentMerger

 df = appendPostingsNoTf(smis, n);     
} else{
 df = appendPostings(smis, n);      

/** Merge one term found in one or more segments. The array <code>smis</code>
 *  contains segments that are positioned at the same term. <code>N</code>
 *  is the number of cells in the array actually occupied.
 *
 * @param smis array of segments
 * @param n number of cells in the array actually occupied
 */
private final void mergeTermInfo(SegmentMergeInfo[] smis, int n)
    throws IOException {
 long freqPointer = freqOutput.getFilePointer();
 long proxPointer = proxOutput.getFilePointer();
 int df = appendPostings(smis, n);		  // append posting data
 long skipPointer = writeSkip();
 if (df > 0) {
  // add an entry to the dictionary with pointers to prox and freq files
  termInfo.set(df, freqPointer, proxPointer, (int) (skipPointer - freqPointer));
  termInfosWriter.add(smis[0].term, termInfo);
 }
}

 df = appendPostingsNoTf(smis, n);     
} else{
 df = appendPostings(smis, n);