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 */
20 package org.apache.directory.mavibot.btree;
21
22
23 /**
24 * The result of an delete operation, when we have borrowed some element from a sibling.
25 *
26 * @param <K> The type for the Key
27 * @param <V> The type for the stored value
28
29 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
30 */
31 /* No qualifier*/interface BorrowedFromSiblingResult<K, V> extends DeleteResult<K, V>
32 {
33 /**
34 * @return the modifiedSibling
35 */
36 Page<K, V> getModifiedSibling();
37
38
39 /**
40 * Tells if the sibling is on the left
41 *
42 * @return True if the sibling is on the left
43 */
44 boolean isFromLeft();
45
46
47 /**
48 * Tells if the sibling is on the right
49 *
50 * @return True if the sibling is on the right
51 */
52 boolean isFromRight();
53 }