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Children xref 

1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   * http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.apache.chemistry.opencmis.inmemory.storedobj.api;
20  
21  import java.util.List;
22  
23  /**
24   * A folder is a StoredObject that that has a path and children. Children can be
25   * folder or documents
26   * 
27   * @author Jens
28   */
29  public interface Children {
30  
31      /**
32       * get all the children of this folder. To support paging an initial offset
33       * and a maximum number of children to retrieve can be passed
34       * 
35       * @param maxItems
36       *            max. number of items to return
37       * @param skipCount
38       *            initial offset where to start fetching
39       * @param user 
40       * @return list of children objects
41       */
42      List<StoredObject> getChildren(int maxItems, int skipCount, String user );
43  
44      /**
45       * get all the children of this folder which are folders. To support paging
46       * an initial offset and a maximum number of childrent to retrieve can be
47       * passed.
48       * 
49       * @param maxItems
50       *            max. number of items to return
51       * @param skipCount
52       *            initial offset where to start fetching
53       * @param user 
54       * @return list of children folders
55       */
56      List<Folder> getFolderChildren(int maxItems, int skipCount, String user);
57  
58      /**
59       * indicate if a child with the given name exists in this folder
60       * 
61       * @param name
62       *            name to check
63       * @return true if the name exists in the folderas child, false otherwise
64       */
65      boolean hasChild(String name);
66  
67  }