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1 /*
2  * Copyright (c) 2011-2015, Intel Corporation
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without modification,
6  * are permitted provided that the following conditions are met:
7  *
8  * 1. Redistributions of source code must retain the above copyright notice, this
9  * list of conditions and the following disclaimer.
10  *
11  * 2. Redistributions in binary form must reproduce the above copyright notice,
12  * this list of conditions and the following disclaimer in the documentation and/or
13  * other materials provided with the distribution.
14  *
15  * 3. Neither the name of the copyright holder nor the names of its contributors
16  * may be used to endorse or promote products derived from this software without
17  * specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
21  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
22  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
23  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
24  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
26  * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
28  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29  */
30 #pragma once
31 
32 #include "Element.h"
33 #include "Results.h"
34 #include <set>
35 #include <string>
36 
37 class CParameterBlackboard;
38 class CConfigurableElement;
39 class CSyncerSet;
40 class CConfigurableDomain;
41 class CSelectionCriteriaDefinition;
42 
43 class CConfigurableDomains : public CElement
44 {
45 public:
46     // Configuration/Domains handling
47     /// Domains
48     bool createDomain(const std::string &strName, std::string &strError);
49 
50     /*
51      * Adds a domain object to configurable domains. The ConfigurableDomains
52      * object takes ownership of the ConfigurableDomain object.
53      *
54      * @param[in] pDomain the domain object.
55      * @param[in] bOverwrite if false, will refuse to overwrite an existing
56      * domain, otherwise, an existing domain with the same name will first be
57      * removed.
58      * @param[in,out] strError error message
59      *
60      * @returns true if the domain was successfully added
61      */
62     bool addDomain(CConfigurableDomain &domain, bool bOverwrite, std::string &strError);
63 
64     /**
65      * Delete a domain by name
66      *
67      * @param[in] strName name of the domain to be deleted
68      * @param[in,out] strError error message
69      *
70      * @returns true of the domain was sucessfully deleted, false otherwise (i.e.
71      * the domain didn't exist).
72      */
73     bool deleteDomain(const std::string &strName, std::string &strError);
74     void deleteAllDomains();
75     bool renameDomain(const std::string &strName, const std::string &strNewName,
76                       std::string &strError);
77     bool setSequenceAwareness(const std::string &strDomain, bool bSequenceAware,
78                               std::string &strError);
79     bool getSequenceAwareness(const std::string &strDomain, bool &bSequenceAware,
80                               std::string &strError) const;
81     bool listDomainElements(const std::string &strDomain, std::string &strResult) const;
82 
83     /** Split a domain in two.
84      * Remove an element of a domain and create a new domain which owns the element.
85      *
86      * @param[in] domainName the domain name
87      * @param[in] element pointer to the element to remove
88      * @param[out] infos useful information we can provide to client
89      * @return true if succeed false otherwise
90      */
91     bool split(const std::string &domainName, CConfigurableElement *element, core::Results &infos);
92 
93     void listAssociatedElements(std::string &strResult) const;
94     void listConflictingElements(std::string &strResult) const;
95     void listDomains(std::string &strResult) const;
96     /// Configurations
97     bool listConfigurations(const std::string &strDomain, std::string &strResult) const;
98     bool createConfiguration(const std::string &strDomain, const std::string &strConfiguration,
99                              const CParameterBlackboard *pMainBlackboard, std::string &strError);
100     bool deleteConfiguration(const std::string &strDomain, const std::string &strConfiguration,
101                              std::string &strError);
102     bool renameConfiguration(const std::string &strDomain, const std::string &strConfigurationName,
103                              const std::string &strNewConfigurationName, std::string &strError);
104 
105     /** Restore a configuration
106      *
107      * @param[in] strDomain the domain name
108      * @param[in] strConfiguration the configuration name
109      * @param[in] pMainBlackboard the application main blackboard
110      * @param[in] bAutoSync boolean which indicates if auto sync mechanism is on
111      * @param[out] errors, errors encountered during restoration
112      * @return true if success false otherwise
113      */
114     bool restoreConfiguration(const std::string &strDomain, const std::string &strConfiguration,
115                               CParameterBlackboard *pMainBlackboard, bool bAutoSync,
116                               core::Results &errors) const;
117 
118     bool saveConfiguration(const std::string &strDomain, const std::string &strConfiguration,
119                            const CParameterBlackboard *pMainBlackboard, std::string &strError);
120     bool setElementSequence(const std::string &strDomain, const std::string &strConfiguration,
121                             const std::vector<std::string> &astrNewElementSequence,
122                             std::string &strError);
123     bool getElementSequence(const std::string &strDomain, const std::string &strConfiguration,
124                             std::string &strResult) const;
125     bool setApplicationRule(const std::string &strDomain, const std::string &strConfiguration,
126                             const std::string &strApplicationRule,
127                             const CSelectionCriteriaDefinition *pSelectionCriteriaDefinition,
128                             std::string &strError);
129     bool clearApplicationRule(const std::string &strDomain, const std::string &strConfiguration,
130                               std::string &strError);
131     bool getApplicationRule(const std::string &strDomain, const std::string &strConfiguration,
132                             std::string &strResult) const;
133 
134     // Last applied configurations
135     void listLastAppliedConfigurations(std::string &strResult) const;
136 
137     /** Associate a configurable element to a domain
138      *
139      * @param[in] domainName the domain name
140      * @param[in] element pointer to the element to add
141      * @param[in] mainBlackboard pointer to the application main blackboard
142      * @param[out] infos useful information we can provide to client
143      * @return true if succeed false otherwise
144      */
145     bool addConfigurableElementToDomain(const std::string &domainName,
146                                         CConfigurableElement *element,
147                                         const CParameterBlackboard *mainBlackboard,
148                                         core::Results &infos);
149 
150     bool removeConfigurableElementFromDomain(const std::string &strDomain,
151                                              CConfigurableElement *pConfigurableElement,
152                                              std::string &strError);
153 
154     // Configuration Blackboard for element
155     CParameterBlackboard *findConfigurationBlackboard(
156         const std::string &strDomain, const std::string &strConfiguration,
157         const CConfigurableElement *pConfigurableElement, size_t &baseOffset, bool &bIsLastApplied,
158         std::string &strError) const;
159 
160     const CConfigurableDomain *findConfigurableDomain(const std::string &strDomain,
161                                                       std::string &strError) const;
162 
163     // From IXmlSource
164     void toXml(CXmlElement &xmlElement, CXmlSerializingContext &serializingContext) const override;
165 
166     // Ensure validity on whole domains from main blackboard
167     void validate(const CParameterBlackboard *pMainBlackboard);
168 
169     /** Apply the configuration if required
170      *
171      * @param[in] pParameterBlackboard the blackboard to synchronize
172      * @param[in] syncerSet the set containing application syncers
173      * @param[in] bForce boolean used to force configuration application
174      * @param[out] infos useful information we can provide to client
175      */
176     void apply(CParameterBlackboard *pParameterBlackboard, CSyncerSet &syncerSet, bool bForce,
177                core::Results &infos) const;
178 
179     // Class kind
180     std::string getKind() const override;
181 
182 private:
183     /** Delete a domain
184      *
185      * @param(in] configurableDomain domain to be deleted
186      * @param[in,out] strError error message
187      * @returns true of the domain was sucessfully deleted, false otherwise (i.e.
188      * the domain didn't exist).
189      */
190     void deleteDomain(CConfigurableDomain &configurableDomain);
191     // Returns true if children dynamic creation is to be dealt with
192     bool childrenAreDynamic() const override;
193     // Gather owned configurable elements owned by any domain
194     void gatherAllOwnedConfigurableElements(
195         std::set<const CConfigurableElement *> &configurableElementSet) const;
196     // Domain retrieval
197     CConfigurableDomain *findConfigurableDomain(const std::string &strDomain,
198                                                 std::string &strError);
199 };
200