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1   /**
2    * This file Copyright (c) 2014-2018 Magnolia International
3    * Ltd.  (http://www.magnolia-cms.com). All rights reserved.
4    *
5    *
6    * This file is dual-licensed under both the Magnolia
7    * Network Agreement and the GNU General Public License.
8    * You may elect to use one or the other of these licenses.
9    *
10   * This file is distributed in the hope that it will be
11   * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
12   * implied warranty of MERCHANTABILITY or FITNESS FOR A
13   * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
14   * Redistribution, except as permitted by whichever of the GPL
15   * or MNA you select, is prohibited.
16   *
17   * 1. For the GPL license (GPL), you can redistribute and/or
18   * modify this file under the terms of the GNU General
19   * Public License, Version 3, as published by the Free Software
20   * Foundation.  You should have received a copy of the GNU
21   * General Public License, Version 3 along with this program;
22   * if not, write to the Free Software Foundation, Inc., 51
23   * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
24   *
25   * 2. For the Magnolia Network Agreement (MNA), this file
26   * and the accompanying materials are made available under the
27   * terms of the MNA which accompanies this distribution, and
28   * is available at http://www.magnolia-cms.com/mna.html
29   *
30   * Any modifications to this file must keep this entire header
31   * intact.
32   *
33   */
34  package info.magnolia.config.registry;
35  
36  import info.magnolia.config.source.ConfigurationSourceType;
37  
38  import java.util.Collection;
39  
40  /**
41   * Central interface for registries; provides views on known {@link info.magnolia.config.registry.Registry} instances,
42   * and is able to query them by module, type or source.
43   */
44  public interface RegistryFacade {
45  
46      Registry registryFor(DefinitionType type);
47  
48      Collection<Registry> all();
49  
50      /**
51       * Convenience method to find all definitions registered by the given module.
52       *
53       * @see #query()
54       */
55      Collection<DefinitionProvider> byModule(String moduleName);
56  
57      /**
58       * Convenience method to find all definitions of a certain {@link info.magnolia.config.registry.DefinitionType}.
59       *
60       * @see #query()
61       */
62      Collection<DefinitionProvider> byType(DefinitionType type);
63  
64      /**
65       * Convenience method to find all definitions registered trough a given {@link ConfigurationSourceType}.
66       *
67       * @see #query()
68       */
69      Collection<DefinitionProvider> bySource(ConfigurationSourceType sourceType);
70  
71      /**
72       * Create query operating over an aggregation of all registries in this facade.
73       */
74      DefinitionQuery query();
75  
76      /**
77       * Like {@link #query()}, but adopts properties from another query.
78       */
79      DefinitionQuery query(DefinitionQuery base);
80  }