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  package org.apache.cayenne.configuration.event;
  
  import org.apache.cayenne.configuration.DataChannelDescriptor;
  import org.apache.cayenne.map.event.MapEvent;
  
  /** 
   * Represents events resulted from DataDomain changes 
   * in CayenneModeler.
   * 
   */
  public class DomainEvent extends MapEvent {
  	/** Creates a domain change event. */
  	public DomainEvent(Object src, DataChannelDescriptor domain) {
  		super(src);
  		setDomain(domain);
  	}
  
  	/** Creates a domain event of a specified type. */
  	public DomainEvent(Object src, DataChannelDescriptor domain, int id) {
  		this(src, domain);
  		setId(id);
  	}
  
  	/** Creates a domain name change event.*/
  	public DomainEvent(Object src, DataChannelDescriptor domain, String oldName) {
  		this(src, domain);	
  		setOldName(oldName);
  	}
  
  	@Override
      public String getNewName() {
  		return (domain != null) ? domain.getName() : null;
  	}
  }
  