CascadeStyle() 
{

}

 abstract public boolean doCascade(CascadingAction action)
Should the given action be cascaded?

 public static CascadeStyle getCascadeStyle(String cascade) 
{
	 
		STYLES.put("all", ALL);
		STYLES.put("all-delete-orphan", ALL_DELETE_ORPHAN);
		STYLES.put("save-update", UPDATE);
		STYLES.put("persist", PERSIST);
		STYLES.put("merge", MERGE);
		STYLES.put("lock", LOCK);
		STYLES.put("refresh", REFRESH);
		STYLES.put("replicate", REPLICATE);
		STYLES.put("evict", EVICT);
		STYLES.put("delete", DELETE);
		STYLES.put("delete-orphan", DELETE_ORPHAN);
		STYLES.put("none", NONE);
		CascadeStyle style = (CascadeStyle) STYLES.get(cascade);
		if (style==null) {
			throw new MappingException("Unsupported cascade style: " + cascade);
		}
		else {
			return style;
		}
}

 public boolean hasOrphanDelete() 
{
		return false;
}

Do we need to delete orphaned collection elements?

 public boolean reallyDoCascade(CascadingAction action) 
{
		return doCascade(action);
}

Should the given action really, really be cascaded?