package mit.event ;

public class OwnerAdapter
extends mit.event.Adapter
{
	public OwnerAdapter( Object owner )
	{
		super( owner ) ;
	}
	protected java.util.Vector tenents = new java.util.Vector() ;
	public boolean isTenent( Object tenent )
	{
		try
		{
			if( null != this.tenents )
			{
				return( this.tenents.contains( tenent ) ) ;
			}
		}
		catch( Exception ex )
		{
			ex.printStackTrace() ;
		}
		return false ;
	}
	public void addTenent( Object tenent )
	{
		try
		{
			if( null == this.tenents )
			{
				this.tenents = new java.util.Vector() ;
			}
			if( ! isTenent( tenent ) )
			{
				this.tenents.addElement( tenent ) ;
			}
		}
		catch( Exception ex )
		{
			ex.printStackTrace() ;
		}
	}
	public void removeTenent( Object tenent )
	{
		try
		{
			if( isTenent( tenent ) )
			{
				this.tenents.removeElement( tenent ) ;
			}
		}
		catch( Exception ex )
		{
			ex.printStackTrace() ;
		}
	}

}