/* * Copyright 2006-2014 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 org.springframework.batch.sample.domain.trade; import java.util.HashMap; import java.util.Map; /** * Enum representing on of 3 possible actions on a customer update: * Add, update, or delete * * @author Lucas Ward * */ public enum CustomerOperation { ADD('A'), UPDATE('U'), DELETE('D'); private final char code; private static final Map<Character,CustomerOperation> CODE_MAP; private CustomerOperation(char code) { this.code = code; } static{ CODE_MAP = new HashMap<Character,CustomerOperation>(); for(CustomerOperation operation:values()){ CODE_MAP.put(operation.getCode(), operation); } } public static CustomerOperation fromCode(char code){ if(CODE_MAP.containsKey(code)){ return CODE_MAP.get(code); } else{ throw new IllegalArgumentException("Invalid code: [" + code + "]"); } } public char getCode() { return code; } }