Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
Provider |
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| 1.0;1 |
1 | /* | |
2 | * Copyright (C) 1998-2000 Semiotek Inc. All Rights Reserved. | |
3 | * | |
4 | * Redistribution and use in source and binary forms, with or without | |
5 | * modification, are permitted under the terms of either of the following | |
6 | * Open Source licenses: | |
7 | * | |
8 | * The GNU General Public License, version 2, or any later version, as | |
9 | * published by the Free Software Foundation | |
10 | * (http://www.fsf.org/copyleft/gpl.html); | |
11 | * | |
12 | * or | |
13 | * | |
14 | * The Semiotek Public License (http://webmacro.org/LICENSE.) | |
15 | * | |
16 | * This software is provided "as is", with NO WARRANTY, not even the | |
17 | * implied warranties of fitness to purpose, or merchantability. You | |
18 | * assume all risks and liabilities associated with its use. | |
19 | * | |
20 | * See www.webmacro.org for more information on the WebMacro project. | |
21 | */ | |
22 | ||
23 | ||
24 | package org.webmacro; | |
25 | ||
26 | import org.webmacro.util.Settings; | |
27 | ||
28 | /** | |
29 | * A Provider is an object responsible or loading and managing | |
30 | * instances of a given type. The Provider is used by the Broker | |
31 | * to look up objects on demand. | |
32 | * <p> | |
33 | * By implementing new Provider types and registering them with | |
34 | * the broker via WebMacro.properties you can extend or change | |
35 | * WebMacro's behavior. | |
36 | */ | |
37 | public interface Provider | |
38 | { | |
39 | ||
40 | /** | |
41 | * Return an array representing the types this provider serves up | |
42 | */ | |
43 | public String getType (); | |
44 | ||
45 | /** | |
46 | * Initialize this provider based on the specified config. | |
47 | */ | |
48 | public void init (Broker b, Settings config) throws InitException; | |
49 | ||
50 | /** | |
51 | * Clear any cache this provider may be maintaining | |
52 | */ | |
53 | public void flush (); | |
54 | ||
55 | /** | |
56 | * Close down this provider, freeing any allocated resources. | |
57 | */ | |
58 | public void destroy (); | |
59 | ||
60 | /** | |
61 | * Get the object associated with the specified query | |
62 | */ | |
63 | public Object get (String query) throws ResourceException; | |
64 | ||
65 | } | |
66 |