de.erichseifert.gral.io.data

Interface DataReader

All Known Implementing Classes:

AbstractDataReader, AudioReader, CSVReader, ImageReader

public interface DataReader

Interface that provides a function to retrieve a data source.

Method Summary

Modifier and Type	Method and Description
<T> T	getSetting(java.lang.String key) Returns the setting for the specified key.
DataSource	read(java.io.InputStream input, java.lang.Class<? extends java.lang.Comparable<?>>... types) Returns a data source that contains the imported data.
<T> void	setSetting(java.lang.String key, T value) Sets the setting for the specified key.

Method Detail

read

DataSource read(java.io.InputStream input,
                java.lang.Class<? extends java.lang.Comparable<?>>... types)
         throws java.io.IOException

Returns a data source that contains the imported data.

Parameters:

input - Input to be read.

types - Types for the columns of the data source.

Returns:

Imported data.

Throws:

java.io.IOException - when the file format is not valid or when experiencing an error during file operations.

getSetting

<T> T getSetting(java.lang.String key)

Returns the setting for the specified key.

Type Parameters:

T - return type

Parameters:

key - key of the setting

Returns:

the value of the setting

setSetting

<T> void setSetting(java.lang.String key,
                    T value)

Sets the setting for the specified key.

Type Parameters:

T - value type

Parameters:

key - key of the setting

value - value of the setting