code: @Pure
  	public boolean isFrom(UUID entityId) {
  		final Address iSource = getSource();
  		return (entityId != null) && (iSource != null)
  				&& entityId.equals(iSource.getUUID());
  	}
docs: Replies if the event was emitted by an entity with the given identifier.
  
  @param entityId the identifier of the emitter to test.
  @return <code>true</code> if the given event was emitted by
  an entity with the given identifier; otherwise <code>false</code>.
  @since 0.2