Class ListDataSource<T extends Output<T>>

java.lang.Object

org.tribuo.datasource.ListDataSource<T>

All Implemented Interfaces:

com.oracle.labs.mlrg.olcut.provenance.Provenancable<DataSourceProvenance>, Iterable<Example<T>>, DataSource<T>

public class ListDataSource<T extends Output<T>>
extends Object
implements DataSource<T>

A data source which wraps up a list of Examples along with their DataSourceProvenance and an OutputFactory.

Used for machine generated data, or some other place where it's difficult to write a specific data source.

Constructor Summary

Constructors

Constructor	Description
ListDataSource(List<Example<T>> list, OutputFactory<T> factory, DataSourceProvenance provenance)	Constructs an in-memory data source wrapping the supplied examples.

Method Summary

Modifier and Type	Method	Description
OutputFactory<T>	getOutputFactory()	Returns the OutputFactory associated with this Output subclass.
DataSourceProvenance	getProvenance()
Iterator<Example<T>>	iterator()
int	size()	Number of examples.
String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Details

ListDataSource

public ListDataSource(List<Example<T>> list,
 OutputFactory<T> factory,
 DataSourceProvenance provenance)

Constructs an in-memory data source wrapping the supplied examples.

Parameters:

list - The examples.

factory - The output factory.

provenance - The data source provenance.

Method Details

size

public int size()

Number of examples.

Returns:

The number of examples.

getOutputFactory

public OutputFactory<T> getOutputFactory()

Description copied from interface: DataSource

Returns the OutputFactory associated with this Output subclass.

Specified by:

getOutputFactory in interface DataSource<T extends Output<T>>

Returns:

The output factory.

getProvenance

public DataSourceProvenance getProvenance()

Specified by:

getProvenance in interface com.oracle.labs.mlrg.olcut.provenance.Provenancable<T extends Output<T>>

iterator

public Iterator<Example<T>> iterator()

Specified by:

iterator in interface Iterable<T extends Output<T>>

toString

public String toString()

Overrides:

toString in class Object