/**
* Returns the named feature as an object. If the named feature is not present in the utterance,
* then this attempts to retrieve it from the voice.
*
* @param name the name of the feature
* @return the value associated with the name or null if the value is not found
*/
public Object getObject(String name) {
if (!features.isPresent(name)) {
return getVoice().getFeatures().getObject(name);
} else {
return features.getObject(name);
}
}
/**
* Determines if the given feature is present. If the feature is not present in the utterance, the
* feature set of the voice is checked.
*
* @param name the name of the feature of interest
* @return true if the named feature is present
*/
public boolean isPresent(String name) {
if (!features.isPresent(name)) {
return getVoice().getFeatures().isPresent(name);
} else {
return true;
}
}
/**
* Convenience method that returns the named feature as a string. If the named feature is not
* present in the utterance, then this attempts to retrieve it from the voice.
*
* @param name the name of the feature
* @return the value associated with the name or null if the value is not found
* @throws ClassCastException if the associated value is not a String
*/
public String getString(String name) {
if (!features.isPresent(name)) {
return getVoice().getFeatures().getString(name);
} else {
return features.getString(name);
}
}
/**
* Determines if this utterance contains a relation with the given name.
*
* @param name the name of the relation of interest.
*/
public boolean hasRelation(String name) {
return relations.isPresent(name);
}
