protected void addExpression(CrosstabMeasureBuilder<?> crosstabMeasure) { Validate.notNull(crosstabMeasure, "crosstabMeasure must not be null"); this.expressions.add(Expressions.crosstabValue(crosstabMeasure)); }
protected void addExpression(AbstractCrosstabGroupBuilder<?, ?, ?> crosstabGroup) { Validate.notNull(crosstabGroup, "crosstabGroup must not be null"); this.expressions.add(Expressions.crosstabValue(crosstabGroup)); }