searchstate.java

来自「It is the Speech recognition software. 」· Java 代码 · 共 80 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.linguist;

/**
 * Represents a single state in a language search space
 */
public interface  SearchState {
    /**
     * Gets a successor to this search state
     *
     * @return the set of successors
     */
     SearchStateArc[]  getSuccessors();

     /**
      * Determines if this is an emitting state
      *
      * @return <code>true</code> if the state is an emitting state
      */
     boolean isEmitting();

     /**
      * Determines if this is a final state
      *
      * @return <code>true</code> if the state is a final state
      */
     boolean isFinal();


     /**
      * Returns a pretty version of the string representation 
      * for this object
      *
      * @return a pretty string
      */
     String toPrettyString();


     /**
      * Returns a unique signature for this state
      *
      * @return the signature for the state
      */
     String getSignature(); 


     /**
      * Gets the word history for this state
      *
      * @return the word history
      */
     WordSequence getWordHistory();


     /**
      * Returns the lex tree state
      *
      * @return the lex tree state
      */
     Object getLexState();

     /**
      * Returns the order of this particular state
      *
      * @return the state order for this state
      */
     int getOrder();
}