public String getType() {
		if (this.type == null)
			this.type = this.resultHandler.getRelationType(getId(), this.rowIndex);
		return this.type;
	}
public String getType ( ) { if ( this . type == null ) this . type = this . resultHandler . getRelationType ( getId ( ) , this . rowIndex ) ; return this . type ; }
Note: Relations must have exactly one type
@return the type of the Relation