Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
ObjectSet |
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| 1.0;1 |
1 | package org.odbms; | |
2 | ||
3 | /* Copyright 2002-2005 The Apache Software Foundation | |
4 | * | |
5 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
6 | * you may not use this file except in compliance with the License. | |
7 | * You may obtain a copy of the License at | |
8 | * | |
9 | * http://www.apache.org/licenses/LICENSE-2.0 | |
10 | * | |
11 | * Unless required by applicable law or agreed to in writing, software | |
12 | * distributed under the License is distributed on an "AS IS" BASIS, | |
13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
14 | * See the License for the specific language governing permissions and | |
15 | * limitations under the License. | |
16 | */ | |
17 | ||
18 | /** | |
19 | * query resultset. | |
20 | * <br><br>The <code>ObjectSet</code> interface providedes iterator functions to | |
21 | * navigate through a set of objects retrieved by a query. | |
22 | */ | |
23 | public interface ObjectSet { | |
24 | ||
25 | ||
26 | /** | |
27 | * returns <code>true</code> if the <code>ObjectSet</code> has more elements. | |
28 | * @return boolean <code>true</code> if the <code>ObjectSet</code> has more | |
29 | * elements. | |
30 | */ | |
31 | public boolean hasNext (); | |
32 | ||
33 | ||
34 | /** | |
35 | * returns the next object in the <code>ObjectSet</code>. | |
36 | * @return the next object in the <code>ObjectSet</code>. | |
37 | */ | |
38 | public Object next (); | |
39 | ||
40 | ||
41 | /** | |
42 | * resets the <code>ObjectSet</code> cursor before the first element. <br><br> | |
43 | * A subsequent call to <code>next()</code> will return the first element. | |
44 | */ | |
45 | public void reset (); | |
46 | ||
47 | ||
48 | ||
49 | /** | |
50 | * returns the number of elements in the <code>ObjectSet</code>. | |
51 | * @return the number of elements in the <code>ObjectSet</code>. | |
52 | */ | |
53 | public int size (); | |
54 | } | |
55 | ||
56 | ||
57 |