org.lenskit.data.dao.file

Class LineEntityParser

java.lang.Object

org.lenskit.data.dao.file.LineEntityParser

All Implemented Interfaces:

java.util.function.Function<java.lang.String,Entity>

public abstract class LineEntityParser
extends java.lang.Object
implements Function<java.lang.String,Entity>

Interface for parsers that parse an entity from a line of text. A fresh line parser must be created for each pass through a file, as it may be stateful (e.g. tracking line numbers).

Constructor Summary

Constructors

Constructor and Description
LineEntityParser()

Method Summary

Modifier and Type	Method and Description
Entity	apply(java.lang.String input)
abstract Entity	parse(java.lang.String line) Parse an entity from a line of text.

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.google.common.base.Function

equals

Methods inherited from interface java.util.function.Function

andThen, compose, identity

Constructor Detail

LineEntityParser

public LineEntityParser()

Method Detail

parse

public abstract Entity parse(java.lang.String line)

Parse an entity from a line of text.

Parameters:

line - The entity to parse.

Returns:

The line of text.

apply

@Nullable
public Entity apply(@Nullable
                              java.lang.String input)

Specified by:

apply in interface java.util.function.Function<java.lang.String,Entity>