org.deidentifier.arx

Class Data

java.lang.Object

org.deidentifier.arx.Data

Direct Known Subclasses:

Data.DefaultData

public abstract class Data
extends java.lang.Object

Represents input data for the ARX framework.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Data.DefaultData The default implementation of a data object.

Constructor Summary

Constructors

Constructor and Description
Data()

Method Summary

Modifier and Type	Method and Description
static Data.DefaultData	create() Creates a new default data object.
static Data	create(DataSource source) Creates a new data object from the given data source specification.
static Data	create(java.io.File file, java.nio.charset.Charset charset) Creates a new data object from a CSV file.
static Data	create(java.io.File file, java.nio.charset.Charset charset, char delimiter) Creates a new data object from a CSV file.
static Data	create(java.io.File file, java.nio.charset.Charset charset, char delimiter, char quote) Creates a new data object from a CSV file.
static Data	create(java.io.File file, java.nio.charset.Charset charset, char delimiter, char quote, char escape) Creates a new data object from a CSV file.
static Data	create(java.io.File file, java.nio.charset.Charset charset, char delimiter, char quote, char escape, char[] linebreak) Creates a new data object from a CSV file.
static Data	create(java.io.File file, java.nio.charset.Charset charset, CSVSyntax config) Creates a new data object from a CSV file.
static Data	create(java.io.File file, java.nio.charset.Charset charset, CSVSyntax config, CSVOptions options) Creates a new data object from a CSV file.
static Data	create(java.io.File file, java.nio.charset.Charset charset, CSVSyntax config, DataType<?>[] datatypes) Creates a new data object from a CSV file.
static Data	create(java.io.InputStream stream, java.nio.charset.Charset charset) Creates a new data object from a CSV file.
static Data	create(java.io.InputStream stream, java.nio.charset.Charset charset, char delimiter) Creates a new data object from a CSV file.
static Data	create(java.io.InputStream stream, java.nio.charset.Charset charset, char delimiter, char quote) Creates a new data object from a CSV file.
static Data	create(java.io.InputStream stream, java.nio.charset.Charset charset, char delimiter, char quote, char escape) Creates a new data object from a CSV file.
static Data	create(java.io.InputStream stream, java.nio.charset.Charset charset, char delimiter, char quote, char escape, char[] linebreak) Creates a new data object from a CSV file.
static Data	create(java.io.InputStream stream, java.nio.charset.Charset charset, char delimiter, int length) Creates a new data object from a CSV file.
static Data	create(java.io.InputStream stream, java.nio.charset.Charset charset, CSVSyntax config) Creates a new data object from a CSV file.
static Data	create(java.io.InputStream stream, java.nio.charset.Charset charset, CSVSyntax config, DataType<?>[] datatypes) Creates a new data object from a CSV file.
static Data	create(java.util.Iterator<java.lang.String[]> iterator) Creates a new data object from an iterator over tuples.
static Data	create(java.util.Iterator<java.lang.String[]> iterator, java.lang.Integer length) Creates a new data object from an iterator over tuples.
static Data	create(java.util.List<java.lang.String[]> list) Creates a new data object from a list.
static Data	create(java.lang.String[][] array) Creates a new data object from a two-dimensional string array.
static Data	create(java.lang.String path, java.nio.charset.Charset charset) Creates a new data object from a CSV file.
static Data	create(java.lang.String path, java.nio.charset.Charset charset, char delimiter) Creates a new data object from a CSV file.
static Data	create(java.lang.String path, java.nio.charset.Charset charset, char delimiter, char quote) Creates a new data object from a CSV file.
static Data	create(java.lang.String path, java.nio.charset.Charset charset, char delimiter, char quote, char escape) Creates a new data object from a CSV file.
static Data	create(java.lang.String path, java.nio.charset.Charset charset, char delimiter, char quote, char escape, char[] linebreak) Creates a new data object from a CSV file.
static Data	create(java.lang.String path, java.nio.charset.Charset charset, CSVSyntax config, CSVOptions options) Creates a new data object from a CSV file.
static Data	create(java.lang.String path, java.nio.charset.Charset charset, CSVSyntax config, DataType<?>[] datatypes) Creates a new data object from a CSV file.
DataDefinition	getDefinition() Returns the data definition.
DataHandle	getHandle() Returns a data handle.

Methods inherited from class java.lang.Object

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

Constructor Detail

Data

public Data()

Method Detail

create

public static Data.DefaultData create()

Creates a new default data object.

Returns:

A Data object

create

public static Data create(DataSource source)
                   throws java.io.IOException

Creates a new data object from the given data source specification.

Parameters:

source - The source that should be used to import data

Returns:

Data object as described by the data source

Throws:

java.io.IOException - Signals that an I/O exception has occurred.

create

public static Data create(java.io.File file,
                          java.nio.charset.Charset charset)
                   throws java.io.IOException

Creates a new data object from a CSV file. Assumes that the file contains a header.

Parameters:

file - the file

Returns:

the data

Throws:

java.io.IOException - Signals that an I/O exception has occurred.

create

public static Data create(java.io.File file,
                          java.nio.charset.Charset charset,
                          char delimiter)
                   throws java.io.IOException

Creates a new data object from a CSV file. Assumes that the file contains a header.

Parameters:

file - A file

delimiter - The utilized separator character

Returns:

A Data object

Throws:

java.io.IOException - Signals that an I/O exception has occurred.

create

public static Data create(java.io.File file,
                          java.nio.charset.Charset charset,
                          char delimiter,
                          char quote)
                   throws java.io.IOException

Creates a new data object from a CSV file. Assumes that the file contains a header.

Parameters:

file - A file

delimiter - The utilized separator character

quote - The delimiter for strings

Returns:

A Data object

Throws:

java.io.IOException - Signals that an I/O exception has occurred.

create

public static Data create(java.io.File file,
                          java.nio.charset.Charset charset,
                          char delimiter,
                          char quote,
                          char escape)
                   throws java.io.IOException

Creates a new data object from a CSV file. Assumes that the file contains a header.

Parameters:

file - the file

delimiter - the delimiter

quote - the quote

escape - the escape

Returns:

the data

Throws:

java.io.IOException - Signals that an I/O exception has occurred.

create

public static Data create(java.io.File file,
                          java.nio.charset.Charset charset,
                          char delimiter,
                          char quote,
                          char escape,
                          char[] linebreak)
                   throws java.io.IOException

Creates a new data object from a CSV file. Assumes that the file contains a header.

Parameters:

file - the file

delimiter - the delimiter

quote - the quote

escape - the escape

linebreak - the linebreak

Returns:

the data

Throws:

java.io.IOException - Signals that an I/O exception has occurred.

create

public static Data create(java.io.File file,
                          java.nio.charset.Charset charset,
                          CSVSyntax config)
                   throws java.io.IOException

Creates a new data object from a CSV file. Assumes that the file contains a header.

Parameters:

file - the file

config - the config

Returns:

the data

Throws:

java.io.IOException - Signals that an I/O exception has occurred.

create

public static Data create(java.io.File file,
                          java.nio.charset.Charset charset,
                          CSVSyntax config,
                          CSVOptions options)
                   throws java.io.IOException

Creates a new data object from a CSV file. Assumes that the file contains a header.

Parameters:

file - the file

config - the config

options - the options

Returns:

the data

Throws:

java.io.IOException - Signals that an I/O exception has occurred.

create

public static Data create(java.io.File file,
                          java.nio.charset.Charset charset,
                          CSVSyntax config,
                          DataType<?>[] datatypes)
                   throws java.io.IOException

Creates a new data object from a CSV file. Assumes that the file contains a header.

Parameters:

file - the file

config - the config

datatypes - the datatypes

Returns:

the data

Throws:

java.io.IOException - Signals that an I/O exception has occurred.

create

public static Data create(java.io.InputStream stream,
                          java.nio.charset.Charset charset)
                   throws java.io.IOException

Creates a new data object from a CSV file. Assumes that the file contains a header.

Parameters:

stream - the stream

Returns:

the data

Throws:

java.io.IOException - Signals that an I/O exception has occurred.

create

public static Data create(java.io.InputStream stream,
                          java.nio.charset.Charset charset,
                          char delimiter)
                   throws java.io.IOException

Creates a new data object from a CSV file. Assumes that the file contains a header.

Parameters:

stream - An input stream

delimiter - The utilized separator character

Returns:

A Data object

Throws:

java.io.IOException - Signals that an I/O exception has occurred.

create

public static Data create(java.io.InputStream stream,
                          java.nio.charset.Charset charset,
                          char delimiter,
                          int length)
                   throws java.io.IOException

Creates a new data object from a CSV file. Assumes that the file contains a header.

Parameters:

stream - An input stream

delimiter - The utilized separator character

length - For improved memory requirements

Returns:

A Data object

Throws:

java.io.IOException - Signals that an I/O exception has occurred.

create

public static Data create(java.io.InputStream stream,
                          java.nio.charset.Charset charset,
                          char delimiter,
                          char quote)
                   throws java.io.IOException

Creates a new data object from a CSV file. Assumes that the file contains a header.

Parameters:

stream - An input stream

delimiter - The utilized separator character

quote - The delimiter for strings

Returns:

A Data object

Throws:

java.io.IOException - Signals that an I/O exception has occurred.

create

public static Data create(java.io.InputStream stream,
                          java.nio.charset.Charset charset,
                          char delimiter,
                          char quote,
                          char escape)
                   throws java.io.IOException

Creates a new data object from a CSV file. Assumes that the file contains a header.

Parameters:

stream - the stream

delimiter - the delimiter

quote - the quote

escape - the escape

Returns:

the data

Throws:

java.io.IOException - Signals that an I/O exception has occurred.

create

public static Data create(java.io.InputStream stream,
                          java.nio.charset.Charset charset,
                          char delimiter,
                          char quote,
                          char escape,
                          char[] linebreak)
                   throws java.io.IOException

Creates a new data object from a CSV file. Assumes that the file contains a header.

Parameters:

stream - the stream

delimiter - the delimiter

quote - the quote

escape - the escape

linebreak - the linebreak

Returns:

the data

Throws:

java.io.IOException - Signals that an I/O exception has occurred.

create

public static Data create(java.io.InputStream stream,
                          java.nio.charset.Charset charset,
                          CSVSyntax config)
                   throws java.io.IOException

Creates a new data object from a CSV file. Assumes that the file contains a header.

Parameters:

stream - the stream

config - the config

Returns:

the data

Throws:

java.io.IOException - Signals that an I/O exception has occurred.

create

public static Data create(java.io.InputStream stream,
                          java.nio.charset.Charset charset,
                          CSVSyntax config,
                          DataType<?>[] datatypes)
                   throws java.io.IOException

Creates a new data object from a CSV file. Assumes that the file contains a header.

Parameters:

stream - the stream

config - the config

datatypes - the datatypes

Returns:

the data

Throws:

java.io.IOException - Signals that an I/O exception has occurred.

create

public static Data create(java.util.Iterator<java.lang.String[]> iterator)

Creates a new data object from an iterator over tuples.

Parameters:

iterator - An iterator

Returns:

A Data object

create

public static Data create(java.util.Iterator<java.lang.String[]> iterator,
                          java.lang.Integer length)

Creates a new data object from an iterator over tuples.

Parameters:

iterator - An iterator

length - number of records to load

Returns:

A data object

create

public static Data create(java.util.List<java.lang.String[]> list)

Creates a new data object from a list.

Parameters:

list - The list

Returns:

A Data object

create

public static Data create(java.lang.String path,
                          java.nio.charset.Charset charset)
                   throws java.io.IOException

Creates a new data object from a CSV file. Assumes that the file contains a header.

Parameters:

path - the path

Returns:

the data

Throws:

java.io.IOException - Signals that an I/O exception has occurred.

create

public static Data create(java.lang.String path,
                          java.nio.charset.Charset charset,
                          char delimiter)
                   throws java.io.IOException

Creates a new data object from a CSV file. Assumes that the file contains a header.

Parameters:

path - A path to the file

delimiter - The utilized separator character

Returns:

A Data object

Throws:

java.io.IOException - Signals that an I/O exception has occurred.

create

public static Data create(java.lang.String path,
                          java.nio.charset.Charset charset,
                          char delimiter,
                          char quote)
                   throws java.io.IOException

Creates a new data object from a CSV file. Assumes that the file contains a header.

Parameters:

path - A path to the file

delimiter - The utilized separator character

quote - The delimiter for strings

Returns:

A Data object

Throws:

java.io.IOException - Signals that an I/O exception has occurred.

create

public static Data create(java.lang.String path,
                          java.nio.charset.Charset charset,
                          char delimiter,
                          char quote,
                          char escape)
                   throws java.io.IOException

Creates a new data object from a CSV file. Assumes that the file contains a header.

Parameters:

path - the path

delimiter - the delimiter

quote - the quote

escape - the escape

Returns:

the data

Throws:

java.io.IOException - Signals that an I/O exception has occurred.

create

public static Data create(java.lang.String path,
                          java.nio.charset.Charset charset,
                          char delimiter,
                          char quote,
                          char escape,
                          char[] linebreak)
                   throws java.io.IOException

Creates a new data object from a CSV file. Assumes that the file contains a header.

Parameters:

path - the path

delimiter - the delimiter

quote - the quote

escape - the escape

linebreak - the linebreak

Returns:

the data

Throws:

java.io.IOException - Signals that an I/O exception has occurred.

create

public static Data create(java.lang.String path,
                          java.nio.charset.Charset charset,
                          CSVSyntax config,
                          CSVOptions options)
                   throws java.io.IOException

Creates a new data object from a CSV file. Assumes that the file contains a header.

Parameters:

path - the path

config - the config

options - the options

Returns:

the data

Throws:

java.io.IOException - Signals that an I/O exception has occurred.

create

public static Data create(java.lang.String path,
                          java.nio.charset.Charset charset,
                          CSVSyntax config,
                          DataType<?>[] datatypes)
                   throws java.io.IOException

Creates a new data object from a CSV file. Assumes that the file contains a header.

Parameters:

path - the path

config - the config

datatypes - the datatypes

Returns:

the data

Throws:

java.io.IOException - Signals that an I/O exception has occurred.

create

public static Data create(java.lang.String[][] array)

Creates a new data object from a two-dimensional string array.

Parameters:

array - The array

Returns:

A Data object

getDefinition

public DataDefinition getDefinition()

Returns the data definition.

Returns:

the definition

getHandle

public DataHandle getHandle()

Returns a data handle.

Returns:

the handle