Java tutorial
/** * Tysan Clan Website * Copyright (C) 2008-2013 Jeroen Steenbeeke and Ties van de Ven * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package com.tysanclan.site.projectewok.event.handlers; import java.util.List; import org.springframework.beans.factory.annotation.Autowired; import com.google.common.collect.Lists; import com.jeroensteenbeeke.hyperion.events.Event; import com.jeroensteenbeeke.hyperion.events.EventHandler; import com.jeroensteenbeeke.hyperion.events.EventResult; import com.tysanclan.site.projectewok.beans.GroupService; import com.tysanclan.site.projectewok.entities.Group; import com.tysanclan.site.projectewok.entities.User; import com.tysanclan.site.projectewok.event.GroupWithoutLeaderEvent; import com.tysanclan.site.projectewok.event.MembershipTerminatedEvent; public class ResetGroupLeaderOnTermination implements EventHandler<MembershipTerminatedEvent> { @Autowired private GroupService groupService; public void setGroupService(GroupService groupService) { this.groupService = groupService; } @Override public EventResult onEvent(MembershipTerminatedEvent event) { User user = event.getSubject(); List<Group> leaderless = groupService.clearGroupLeaderStatus(user); List<Event<?>> events = Lists.newArrayListWithExpectedSize(leaderless.size()); for (Group g : leaderless) { events.add(new GroupWithoutLeaderEvent(g)); } return EventResult.ok(events); } }