this.columnToGroupByProperty = columnToGroupByProperty;
}
protected void registerEntity(Entity entity) {
log.debug("registering group variable...");
DJGroupVariable columnsGroupVariable = (DJGroupVariable) entity;
try {
JRDesignVariable jrVariable = (JRDesignVariable)transformEntity(entity);
getDjd().addVariable(jrVariable);
registerValueFormatter( columnsGroupVariable, jrVariable.getName() );