Examples with NameBearer gate.util.NameBearer used on opensource projects

Example 1 with NameBearer

use of gate.util.NameBearer in project gate-core by GateNLP.

the class PersistenceManager method getPersistentRepresentation.

/**
 * Recursively traverses the provided object and replaces it and all
 * its contents with the appropriate persistent equivalent classes.
 *
 * @param target the object to be analysed and translated into a
 *          persistent equivalent.
 * @return the persistent equivalent value for the provided target
 */
public static Serializable getPersistentRepresentation(Object target) throws PersistenceException {
    if (target == null)
        return null;
    // first check we don't have it already
    Persistence res = existingPersistentReplacements.get().getFirst().get(new ObjectHolder(target));
    if (res != null)
        return res;
    Class<? extends Object> type = target.getClass();
    Class<?> newType = getMostSpecificPersistentType(type);
    if (newType == null) {
        // no special handler
        if (target instanceof Serializable)
            return (Serializable) target;
        else
            throw new PersistenceException("Could not find a serialisable replacement for " + type);
    }
    // we have a new type; create the new object, populate and return it
    try {
        res = (Persistence) newType.newInstance();
    } catch (Exception e) {
        throw new PersistenceException(e);
    }
    if (target instanceof NameBearer) {
        StatusListener sListener = (StatusListener) Gate.getListeners().get("gate.event.StatusListener");
        if (sListener != null) {
            sListener.statusChanged("Storing " + ((NameBearer) target).getName());
        }
    }
    res.extractDataFromSource(target);
    existingPersistentReplacements.get().getFirst().put(new ObjectHolder(target), res);
    return res;
}