simpleutterance.java

来自「It is the Speech recognition software. 」· Java 代码 · 共 105 行

/*
 * Copyright 1999-2002 Carnegie Mellon University.  
 * Portions Copyright 2002 Sun Microsystems, Inc.  
 * Portions Copyright 2002 Mitsubishi Electric Research Laboratories.
 * All Rights Reserved.  Use is subject to license terms.
 * 
 * See the file "license.terms" for information on usage and
 * redistribution of this file, and for a DISCLAIMER OF ALL 
 * WARRANTIES.
 *
 */

package edu.cmu.sphinx.trainer;

import java.util.Collection;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.logging.Logger;

import edu.cmu.sphinx.linguist.dictionary.Dictionary;

/**
 * Provides mechanism for handling a simple utterance.
 */
public class SimpleUtterance implements Utterance{
    private String utteranceID;
    private Collection transcriptSet;
    private Iterator transcriptIterator;

    /*
     * The logger for this class
     */
    private static Logger logger =
        Logger.getLogger("edu.cmu.sphinx.trainer.SimpleUtterance");

    /**
     * Constructor for class SimpleUtterance.
     */
    public SimpleUtterance() {
	transcriptSet  = new LinkedList();
    }

    /** 
     * Constructor for class SimpleUtterance.
     *
     * @param utteranceID the utterance ID, usually a file name.
     */
    public SimpleUtterance(String utteranceID) {
	logger.info("Utterance ID: " + utteranceID);
	this.utteranceID = utteranceID;
	this.transcriptSet  = new LinkedList();
    }

    /**
     * Add transcript with dictionary and exact flag.
     *
     * @param transcript the transcript
     * @param dictionary the default dictionary name
     * @param isExact the default flag
     * @param wordSeparator the word separator characters
     */
    public void add(String transcript, Dictionary dictionary, 
		    boolean isExact, String wordSeparator) {
	logger.info("Transcript: " + transcript);
	transcriptSet.add(new SimpleTranscript(transcript, dictionary,
					       isExact, wordSeparator));
    }

    /**
     * Starts the transcript iterator.
     *
     * @return the transcript iterator.
     */
    public void startTranscriptIterator() {
	transcriptIterator = transcriptSet.iterator();
    }

    /**
     * Returns whether there is a next transcript.
     *
     * @return true if there are more transcrips.
     */
    public boolean hasMoreTranscripts() {
	return transcriptIterator.hasNext();
    }

    /**
     * Gets next transcript.
     *
     * @return the next Trasncript.
     */
    public Transcript nextTranscript() {
	return (Transcript) transcriptIterator.next();
    }

    /**
     * Returns a string representation of this utterance.
     *
     * @return the string representation.
     */
    public String toString() {
	return utteranceID;
    }
}