org.ranksys.formats.feature

Class SimpleFeaturesReader

java.lang.Object

org.ranksys.formats.feature.SimpleFeaturesReader

All Implemented Interfaces:

FeaturesReader

public class SimpleFeaturesReader
extends Object
implements FeaturesReader

Reads a file of tab-separated item-feat-value triples, one per line.

Author:

Saúl Vargas (Saul@VargasSandoval.es)

Method Summary

Modifier and Type	Method and Description
static <I,F> SimpleFeaturesReader	get() Returns and instance of this class.
<I,F> Stream<org.jooq.lambda.tuple.Tuple3<I,F,Double>>	read(InputStream in, Parser<I> ip, Parser<F> fp) Reads item-feature-value triples from an input stream.
<I,F> Stream<org.jooq.lambda.tuple.Tuple3<I,F,Double>>	read(String in, Parser<I> ip, Parser<F> fp) Reads item-feature-value triples from a file.

Methods inherited from class java.lang.Object

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

Method Detail

get

public static <I,F> SimpleFeaturesReader get()

Returns and instance of this class.

Type Parameters:

I - item type

F - feat type

Returns:

an instance of SimpleFeaturesReader

read

public <I,F> Stream<org.jooq.lambda.tuple.Tuple3<I,F,Double>> read(String in,
                                                                   Parser<I> ip,
                                                                   Parser<F> fp)
                                                            throws IOException

Description copied from interface: FeaturesReader

Reads item-feature-value triples from a file.

Specified by:

read in interface FeaturesReader

Type Parameters:

I - item type

F - feat type

Parameters:

in - path to file

ip - item parser

fp - feat parser

Returns:

stream of item-feature-value triples

Throws:

IOException - when I/O problems

read

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

Description copied from interface: FeaturesReader

Reads item-feature-value triples from an input stream.

Specified by:

read in interface FeaturesReader

Type Parameters:

I - item type

F - feat type

Parameters:

in - input stream to read

ip - item parser

fp - feat parser

Returns:

stream of item-feature-value triples

Throws:

IOException - when I/O problems