public SearchCriteria addProjection(
                    final Projection projection
                    )
    {
        if (projection == null) {
            throw new IllegalArgumentException( "no projection specified" );
        }

        _projections.add( projection );

        return this;
    }
public SearchCriteria addProjection ( final Projection projection ) { if ( projection == null ) { throw new IllegalArgumentException ( "no projection specified" ) ; } _projections . add ( projection ) ; return this ; }
Appends the projection.

@param   projection
the projection.