2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ============LICENSE_END=========================================================
21 package org.openecomp.mso.bpmn.core;
23 import java.io.Serializable;
24 import java.util.HashMap;
28 * An object that stores data for rollbacks. Data is organized by type. A
29 * type is simply a string identifier. Multiple types of data may be stored
30 * in the same object for separate rollback operations.
32 public class RollbackData implements Serializable {
33 private static final long serialVersionUID = 1L;
35 private Map<String, Map<String, Serializable>> dictionary =
36 new HashMap<String, Map<String, Serializable>>();
39 * Returns true if the specified type is stored in this object.
40 * @param type the data type
42 public boolean hasType(String type) {
43 return dictionary.containsKey(type);
47 * Stores a single item.
48 * @param type the data type
50 * @param value the value
52 public void put(String type, String key, String value) {
53 Map<String, Serializable> mapForType = dictionary.get(type);
55 if (mapForType == null) {
56 mapForType = new HashMap<String, Serializable>();
57 dictionary.put(type, mapForType);
60 mapForType.put(key, value);
65 * @param type the data type
67 * @return the item or null if there is no item for the specified type and key
69 public Serializable get(String type, String key) {
70 Map<String, Serializable> mapForType = dictionary.get(type);
72 if (mapForType == null) {
76 return mapForType.get(key);
80 * Gets a map containing all items associated with the specified data type.
81 * @param type the data type
82 * @return a map, or null if there are no items associated with the specified
85 public Map<String, Serializable> get(String type) {
86 return dictionary.get(type);
90 * Returns a string representation of this object.
92 public String toString() {
93 StringBuilder out = new StringBuilder();
94 out.append(getClass().getSimpleName());
96 boolean hasOne = false;
97 for (String type : dictionary.keySet()) {
102 out.append(dictionary.get(type));
106 return out.toString();