/**
* Return a term frequency vector for the specified document and field. The vector returned
* contains term numbers and frequencies for all terms in the specified field of this document, if
* the field had storeTermVector flag set. If the flag was not set, the method returns null.
*/
public TermFreqVector getTermFreqVector(int docNumber, String field) throws IOException {
// Check if this field is invalid or has no stored term vector
FieldInfo fi = fieldInfos.fieldInfo(field);
if (fi == null || !fi.storeTermVector) return null;
return termVectorsReader.get(docNumber, field);
}
protected final void doClose() throws IOException {
fieldsReader.close();
tis.close();
if (freqStream != null) freqStream.close();
if (proxStream != null) proxStream.close();
closeNorms();
if (termVectorsReader != null) termVectorsReader.close();
if (cfsReader != null) cfsReader.close();
}
/**
* Return an array of term frequency vectors for the specified document. The array contains a
* vector for each vectorized field in the document. Each vector vector contains term numbers and
* frequencies for all terms in a given vectorized field. If no such fields existed, the method
* returns null.
*/
public TermFreqVector[] getTermFreqVectors(int docNumber) throws IOException {
if (termVectorsReader == null) return null;
return termVectorsReader.get(docNumber);
}
