/*
* Created on Jan 19, 2005
*/
package edu.cmu.sphinx.linguist.language.classes;
import edu.cmu.sphinx.linguist.dictionary.Dictionary;
import edu.cmu.sphinx.linguist.dictionary.Word;
import edu.cmu.sphinx.linguist.dictionary.WordClassification;
import edu.cmu.sphinx.util.props.PropertyException;
import edu.cmu.sphinx.util.props.PropertySheet;
import edu.cmu.sphinx.util.props.S4Component;
import java.io.IOException;
/**
* The only purpose of this class is to present all classes
* as words in the getWord() method. This dictionary must be injected to
* a class LM as a dictionary, otherwise classes will be treated as OOVs.
*
* @author Tanel Alumae
*/
public class ClassPresentingDictionary implements Dictionary {
@S4Component(type = ClassMap.class)
public final static String PROP_CLASS_MAP = "classMap";
@S4Component(type = Dictionary.class)
public final static String PROP_WORD_DICTIONARY = "wordDictionary";
private boolean allocated = false;
private Dictionary wordDictionary;
private ClassMap classMap;
public ClassPresentingDictionary(ClassMap classMap, Dictionary wordDictionary) {
this.classMap = classMap;
this.wordDictionary = wordDictionary;
}
public ClassPresentingDictionary() {
}
public void newProperties(PropertySheet ps) throws PropertyException {
classMap = (ClassMap) ps.getComponent(PROP_CLASS_MAP);
wordDictionary = (Dictionary) ps.getComponent(PROP_WORD_DICTIONARY);
}
public void allocate() throws IOException {
if (!allocated) {
allocated = true;
wordDictionary.allocate();
classMap.allocate();
}
}
public void deallocate() {
allocated = false;
wordDictionary = null;
}
/**
* This method disguises all classes as words.
*/
public Word getWord(String text) {
Word word = classMap.getClassAsWord(text);
return (word != null) ? word : wordDictionary.getWord(text);
}
/* (non-Javadoc)
* @see edu.cmu.sphinx.linguist.dictionary.Dictionary#getSentenceStartWord()
*/
public Word getSentenceStartWord() {
return wordDictionary.getSentenceStartWord();
}
/* (non-Javadoc)
* @see edu.cmu.sphinx.linguist.dictionary.Dictionary#getSentenceEndWord()
*/
public Word getSentenceEndWord() {
return wordDictionary.getSentenceEndWord();
}
/* (non-Javadoc)
* @see edu.cmu.sphinx.linguist.dictionary.Dictionary#getSilenceWord()
*/
public Word getSilenceWord() {
return wordDictionary.getSilenceWord();
}
/* (non-Javadoc)
* @see edu.cmu.sphinx.linguist.dictionary.Dictionary#getPossibleWordClassifications()
*/
public WordClassification[] getPossibleWordClassifications() {
return wordDictionary.getPossibleWordClassifications();
}
/* (non-Javadoc)
* @see edu.cmu.sphinx.linguist.dictionary.Dictionary#getFillerWords()
*/
public Word[] getFillerWords() {
return wordDictionary.getFillerWords();
}
@Override
public String toString() {
return "Word dictionary:\n" + wordDictionary.toString()
+ "Classes:\n" + classMap.toString();
}
}