org.ranksys.formats.preference

Class SimpleBinaryPreferencesReader

java.lang.Object

org.ranksys.formats.preference.SimpleBinaryPreferencesReader

All Implemented Interfaces:

PreferencesReader

public class SimpleBinaryPreferencesReader
extends Object
implements PreferencesReader

Reads a file of tab-separated user-item pairs, one per line.

Author:

Saúl Vargas (Saul@VargasSandoval.es)

Method Summary

Modifier and Type	Method and Description
static <U,I> SimpleBinaryPreferencesReader	get() Returns and instance of this class.
<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.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.ranksys.formats.preference.PreferencesReader

read

Method Detail

get

public static <U,I> SimpleBinaryPreferencesReader get()

Returns and instance of this class.

Type Parameters:

U - user type

I - item type

Returns:

an instance of SimpleBinaryPreferencesReader

read

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

Description copied from interface: PreferencesReader

Reads preferences from an input stream.

Specified by:

read in interface PreferencesReader

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