UidGenerator


1   /*
2    * Copyright 2002-2006 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  package org.springframework.webflow.util;
17  
18  import java.io.Serializable  ;
19  
20  /**
21   * A strategy for generating ids for uniquely identifying execution artifacts
22   * such as FlowExecutions and any other uniquely identified flow artifact.
23   * 
24   * @author Keith Donald
25   */
26  public interface UidGenerator {
27  
28      /**
29       * Generate a new unique id.
30       * @return a serializable id, guaranteed to be unique in some context
31       */
32      public Serializable   generateUid();
33  
34      /**
35       * Convert the string-encoded uid into its original object form.
36       * @param encodedUid the string encoded uid
37       * @return the converted uid
38       */
39      public Serializable   parseUid(String   encodedUid);
40  }
41

A to Z: JavaDoc & Examples Daily Java News & Articles Open Source Projects Open Source Codes Free Computer Books Remove Frame

Popular Tags