001/* 002 * Copyright 2016 Anyware Services 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016package org.ametys.core.user.population; 017 018 019/** 020 * Interface for entities that use {@link UserPopulation}s 021 */ 022public interface PopulationConsumer 023{ 024 /** 025 * Determines if a user population is used 026 * @param id The id of population to check 027 * @return true if the user population is currently in use 028 */ 029 public boolean isInUse(String id); 030}