org.deeplearning4j.iterator.LabeledSentenceProvider Maven / Gradle / Ivy
package org.deeplearning4j.iterator;
import org.nd4j.linalg.primitives.Pair;
import java.util.List;
/**
*
* LabeledSentenceProvider: a simple iterator interface over sentences/documents that have a label.
*
* This is intended for use with {@link CnnSentenceDataSetIterator}
*
* @author Alex Black
*/
public interface LabeledSentenceProvider {
/**
* Are there more sentences/documents available?
*/
boolean hasNext();
/**
*
* @return Pair: sentence/document text and label
*/
Pair nextSentence();
/**
* Reset the iterator - including shuffling the order, if necessary/appropriate
*/
void reset();
/**
* Return the total number of sentences, or -1 if not available
*/
int totalNumSentences();
/**
* Return the list of labels - this also defines the class/integer label assignment order
*/
List allLabels();
/**
* Equivalent to allLabels().size()
*/
int numLabelClasses();
}