public void assignFarmToBatiment(List<Batiment> batiments){
    /*	this.setBatiments(batiments);
    	for (Batiment b : batiments){
    		b.setFarm(this); */
    	for(Batiment batiment:batiments){
			batiment.setFarm(this);
			this.setBatiments(batiments);
		}
    	
    	}