Constructor Detail

• JWeb1TSearcher

  public JWeb1TSearcher(String... indexFiles)
                 throws IOException

  Parameters:

  indexFiles - Index files need to be listed in ascending order, starting with 1-grams, and without gap until the largest index. E.g. index1,index2,index3. You cannot use "index1,index3" or "index2,index3".

  Throws:

  IOException

• JWeb1TSearcher

  public JWeb1TSearcher(File indexPath,
                int minN,
                int maxN)
                 throws IOException

  Try to deduce the index files from the given path.

  Parameters:

  indexPath - The path in which the ngram index files are located.

  minN - The minimum ngram length.

  maxN - The maximum ngram length.

  Throws:

  IOException

Method Detail

• getFrequency

  public long getFrequency(Collection<String> aPhrase)
                    throws IOException

  Specified by:

  getFrequency in interface Searcher

  Throws:

  IOException

• getFrequency

  public long getFrequency(String... aPhrase)
                    throws IOException

  Specified by:

  getFrequency in interface Searcher

  Throws:

  IOException

• getNrOfNgrams

  public long getNrOfNgrams(int aNGramSize)

  Specified by:

  getNrOfNgrams in interface Searcher

• getNrOfDistinctNgrams

  public long getNrOfDistinctNgrams(int aNGramSize)

  Specified by:

  getNrOfDistinctNgrams in interface Searcher