org.ranksys.formats.preference

Interface PreferencesReader

All Known Implementing Classes:

SimpleBinaryPreferencesReader, SimpleRatingPreferencesReader

public interface PreferencesReader

Reader for files containing preference data.

Author:

Saúl Vargas (Saul@VargasSandoval.es)

Method Summary

Modifier and Type	Method and Description
<U,I> Stream<org.jooq.lambda.tuple.Tuple3<U,I,Double>>	read(InputStream in, Parser<U> up, Parser<I> ip) Reads preferences from an input stream.
default <U,I> Stream<org.jooq.lambda.tuple.Tuple3<U,I,Double>>	read(String in, Parser<U> up, Parser<I> ip) Reads preferences from a file.

Method Detail

read

default <U,I> Stream<org.jooq.lambda.tuple.Tuple3<U,I,Double>> read(String in,
                                                                    Parser<U> up,
                                                                    Parser<I> ip)
                                                             throws IOException

Reads preferences from a file.

Type Parameters:

U - user type

I - item tpye

Parameters:

in - path to file

up - user parser

ip - item parser

Returns:

stream of user-item-value triples

Throws:

IOException - when I/O problems

read

<U,I> Stream<org.jooq.lambda.tuple.Tuple3<U,I,Double>> read(InputStream in,
                                                            Parser<U> up,
                                                            Parser<I> ip)
                                                     throws IOException

Reads preferences from an input stream.

Type Parameters:

U - user type

I - item tpye

Parameters:

in - input stream to read from

up - user parser

ip - item parser

Returns:

stream of user-item-value triples

Throws:

IOException - when I/O problems