1 /*
2 * Copyright 2006-2007 the original author or authors.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 package org.springframework.batch.sample.domain.trade;
18
19 import java.util.HashMap;
20 import java.util.Map;
21
22 /**
23 * Enum representing on of 3 possible actions on a customer update:
24 * Add, update, or delete
25 *
26 * @author Lucas Ward
27 *
28 */
29 public enum CustomerOperation {
30 ADD('A'), UPDATE('U'), DELETE('D');
31
32 private final char code;
33 private static final Map<Character,CustomerOperation> codeMap;
34
35 private CustomerOperation(char code) {
36 this.code = code;
37 }
38
39 static{
40 codeMap = new HashMap<Character,CustomerOperation>();
41 for(CustomerOperation operation:values()){
42 codeMap.put(operation.getCode(), operation);
43 }
44 }
45
46 public static CustomerOperation fromCode(char code){
47 if(codeMap.containsKey(code)){
48 return codeMap.get(code);
49 }
50 else{
51 throw new IllegalArgumentException("Invalid code: [" + code + "]");
52 }
53 }
54
55 public char getCode() {
56 return code;
57 }
58 }