public InvCatalog getParentCatalog() {
    if (catalog != null) return catalog;
    return (parent != null) ? parent.getParentCatalog() : null;
  }
public InvCatalog getParentCatalog() {
    if (catalog != null) return catalog;
    return (parent != null) ? parent.getParentCatalog() : null;
  }
public InvCatalog getParentCatalog ( ) { if ( catalog != null ) return catalog ; return ( parent != null ) ? parent . getParentCatalog ( ) : null ; }
Get containing catalog.

@return containing catalog.
Get containing catalog .