java.beans: class: EnumPersistenceDelegate

java.beans
class: EnumPersistenceDelegate [javadoc | source]

java.lang.Object
   java.beans.PersistenceDelegate
      java.beans.EnumPersistenceDelegate

The persistence delegate for enum classes.

author: Sergey - A. Malenkov

Method from java.beans.EnumPersistenceDelegate Summary:
instantiate, mutatesTo

Methods from java.beans.PersistenceDelegate:
initialize, instantiate, mutatesTo, writeObject

Methods from java.lang.Object:
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method from java.beans.EnumPersistenceDelegate Detail:
protected Expression instantiate(Object oldInstance, Encoder out) { Enum e = (Enum) oldInstance; return new Expression(e, Enum.class, "valueOf", new Object[]{e.getClass(), e.name()}); }
protected boolean mutatesTo(Object oldInstance, Object newInstance) { return oldInstance == newInstance; }

Method from java.beans.EnumPersistenceDelegate Detail:

 protected Expression instantiate(Object oldInstance,
    Encoder out) {
        Enum e = (Enum) oldInstance;
        return new Expression(e, Enum.class, "valueOf", new Object[]{e.getClass(), e.name()});
}

 protected boolean mutatesTo(Object oldInstance,
    Object newInstance) {
        return oldInstance == newInstance;
}