Java tutorial
/* * Copyright 2011 the original author or authors. * * Licensed under the Apache License, Version 2.0 (the "License"); you may not * use this file except in compliance with the License. You may obtain a copy of * the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations under * the License. */ package com.github.javarch.jsf.mbeans; import com.github.javarch.persistence.Persistable; import com.google.common.base.Preconditions; public class AbstractDeleteManagedBean<T extends Persistable<?>> extends AbstractFormManagedBean<T> { private static final long serialVersionUID = 2583673165183668129L; @Override public void onAction(T entidade) { Preconditions.checkState(entidade.getId() != null); repository.delete(entidade); } }