Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
DeferredObject |
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| 1.0;1 |
1 | // Copyright 2005 The Apache Software Foundation | |
2 | // | |
3 | // Licensed under the Apache License, Version 2.0 (the "License"); | |
4 | // you may not use this file except in compliance with the License. | |
5 | // You may obtain a copy of the License at | |
6 | // | |
7 | // http://www.apache.org/licenses/LICENSE-2.0 | |
8 | // | |
9 | // Unless required by applicable law or agreed to in writing, software | |
10 | // distributed under the License is distributed on an "AS IS" BASIS, | |
11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
12 | // See the License for the specific language governing permissions and | |
13 | // limitations under the License. | |
14 | ||
15 | package org.apache.tapestry.services.impl; | |
16 | ||
17 | import org.apache.hivemind.Locatable; | |
18 | ||
19 | /** | |
20 | * Interface for an object that can provide a second, target object. This encapsulates the process | |
21 | * of obtaining the target object (which is presumably expensive) so that the operation can be | |
22 | * deferred or even avoided. | |
23 | * | |
24 | * @author Howard M. Lewis Ship | |
25 | * @since 4.0 | |
26 | * @see org.apache.tapestry.services.impl.DeferredObjectTranslator | |
27 | */ | |
28 | public interface DeferredObject extends Locatable | |
29 | { | |
30 | /** | |
31 | * Returns the target object. The caller is expected to cache the result, if appropriate. | |
32 | */ | |
33 | Object getObject(); | |
34 | ||
35 | } |