/** * Determines whether there are any identities of waited-for objects * registered with this waiting object. * * @return <code>true</code> if identities of waited-for objects are registered */ public boolean hasPendingFKs() { return !_waitedForIdentites.isEmpty(); }
public boolean isEmpty() { return classes.isEmpty(); }
/** * Returns the first reference if it exists. * * @return The first reference */ public Reference getFirstReference() { return (Reference)(_references.isEmpty() ? null : _references.get(0)); }
/** * Returns the first reference if it exists. * * @return The first reference */ public Reference getFirstReference() { return (Reference)(_references.isEmpty() ? null : _references.get(0)); }
@Override public String toString() { if (classes.isEmpty()) { return null; } final StringBuilder buffer = new StringBuilder(16 * classes.size()); for (final Iterator i = classes.iterator(); i.hasNext();) { final String clazz = (String) i.next(); buffer.append(clazz); if (i.hasNext()) { buffer.append(' '); } } return buffer.toString(); }