Java tutorial
/* * Copyright (c) 2008-2016 Haulmont. * * 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.haulmont.cuba.security.entity; import com.haulmont.chile.core.datatypes.impl.EnumClass; import org.apache.commons.lang.ObjectUtils; /** * Type of constraint. */ public enum ConstraintCheckType implements EnumClass<String> { DATABASE_AND_MEMORY("db_and_memory", true, true), DATABASE("db", true, false), MEMORY("memory", false, true); private String id; private boolean memory; private boolean database; ConstraintCheckType(String id, boolean database, boolean memory) { this.id = id; this.database = database; this.memory = memory; } @Override public String getId() { return id; } public static ConstraintCheckType fromId(String id) { for (ConstraintCheckType type : ConstraintCheckType.values()) { if (ObjectUtils.equals(id, type.getId())) return type; } return null; // unknown id } public boolean database() { return database; } public boolean memory() { return memory; } }