org.ranksys.formats.rec

Interface RecommendationFormat<U,I>

Type Parameters:

U - type of the users

I - type of the items

All Known Implementing Classes:

MahoutRecommendationFormat, SimpleRecommendationFormat, TRECRecommendationFormat, TuplesRecommendationFormat, ZipRecommendationFormat

public interface RecommendationFormat<U,I>

Recommendation writers and readers with a common format.

Author:

Saúl Vargas (saul.vargas@uam.es)

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static interface	RecommendationFormat.Reader<U,I> Recommendation reader.
static interface	RecommendationFormat.Writer<U,I> Recommendation writer.

Method Summary

Modifier and Type	Method and Description
default RecommendationFormat.Reader<U,I>	getReader(File file) Gets a reader for a file.
RecommendationFormat.Reader<U,I>	getReader(InputStream in) Gets a reader for an input stream.
default RecommendationFormat.Reader<U,I>	getReader(Path path) Gets a reader for a file path.
default RecommendationFormat.Reader<U,I>	getReader(String path) Gets a reader for a file path.
default RecommendationFormat.Writer<U,I>	getWriter(File file) Gets a writer for a file.
RecommendationFormat.Writer<U,I>	getWriter(OutputStream out) Gets a writer for an output stream.
default RecommendationFormat.Writer<U,I>	getWriter(Path path) Gets a writer for a file path.
default RecommendationFormat.Writer<U,I>	getWriter(String path) Gets a writer for a file path.

Method Detail

getWriter

default RecommendationFormat.Writer<U,I> getWriter(Path path)
                                            throws IOException

Gets a writer for a file path.

Parameters:

path - file path

Returns:

a recommendation writer

Throws:

IOException - if path does not exist or IO error

getWriter

default RecommendationFormat.Writer<U,I> getWriter(String path)
                                            throws IOException

Gets a writer for a file path.

Parameters:

path - file path

Returns:

a recommendation writer

Throws:

IOException - if path does not exist or IO error

getWriter

default RecommendationFormat.Writer<U,I> getWriter(File file)
                                            throws IOException

Gets a writer for a file.

Parameters:

file - file

Returns:

a recommendation writer

Throws:

IOException - if path does not exist or IO error

getWriter

RecommendationFormat.Writer<U,I> getWriter(OutputStream out)
                                    throws IOException

Gets a writer for an output stream.

Parameters:

out - output stream

Returns:

a recommendation writer

Throws:

IOException - if path does not exist or IO error

getReader

default RecommendationFormat.Reader<U,I> getReader(Path path)
                                            throws IOException

Gets a reader for a file path.

Parameters:

path - file path

Returns:

a recommendation reader

Throws:

IOException - when IO error

getReader

default RecommendationFormat.Reader<U,I> getReader(String path)
                                            throws IOException

Gets a reader for a file path.

Parameters:

path - file path

Returns:

a recommendation reader

Throws:

IOException - when IO error

getReader

default RecommendationFormat.Reader<U,I> getReader(File file)
                                            throws IOException

Gets a reader for a file.

Parameters:

file - file

Returns:

a recommendation reader

Throws:

IOException - when IO error

getReader

RecommendationFormat.Reader<U,I> getReader(InputStream in)
                                    throws IOException

Gets a reader for an input stream.

Parameters:

in - input stream

Returns:

a recommendation reader

Throws:

IOException - when IO error