1 // ANNA - Anna is Not 'N' Anymore
3 // (c) Copyright 2005-2014 Eduardo Ramos Testillano & Francisco Ruiz Rayo
5 // https://bitbucket.org/testillano/anna
7 // Redistribution and use in source and binary forms, with or without
8 // modification, are permitted provided that the following conditions
11 // * Redistributions of source code must retain the above copyright
12 // notice, this list of conditions and the following disclaimer.
13 // * Redistributions in binary form must reproduce the above
14 // copyright notice, this list of conditions and the following disclaimer
15 // in the documentation and/or other materials provided with the
17 // * Neither the name of Google Inc. nor the names of its
18 // contributors may be used to endorse or promote products derived from
19 // this software without specific prior written permission.
21 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
24 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
25 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
27 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 // Authors: eduardo.ramos.testillano@gmail.com
34 // cisco.tierra@gmail.com
37 #include <anna/core/functions.hpp>
38 #include <anna/core/tracing/Logger.hpp>
40 #include <anna/io/functions.hpp>
42 #include <anna/dbms/Database.hpp>
43 #include <anna/dbms/Statement.hpp>
45 #include <anna/dbos/Repository.hpp>
47 #include "../filesystem/File.hpp"
48 #include "../filesystem/Directory.hpp"
51 #include "Directory.hpp"
55 using namespace workdir;
58 storage::File::Loader* storage::File::st_loader = NULL;
61 ExclusiveHash <std::string> storage::File::st_hash;
64 int storage::File::st_maxSize = 0;
66 dbos_prepare_object (storage::File);
68 void storage::File::setup (dbos::Repository& repository, const int maxSize)
69 throw (RuntimeException)
71 st_loader = new File::Loader ();
74 File::setStorageArea (
75 repository.createStorageArea ( // (1)
76 File::getStorageAreaId (), File::getStorageAreaName (), File::getMaxSize (),
82 storage::File* storage::File::instantiate (const filesystem::File* file)
83 throw (RuntimeException)
85 if (st_loader == NULL)
86 throw RuntimeException ("storage::File::setup no ha sido invocado", ANNA_FILE_LOCATION);
91 Guard guard (st_loader, "storage::File::Loader");
92 result = dbos::ObjectFacade <File>::instance (st_loader->setKey (file));
94 catch (dbms::DatabaseException& edb) {
95 throw RuntimeException (edb);
101 void storage::File::initialize (dbos::Loader& loader)
102 throw (RuntimeException, dbms::DatabaseException)
104 File::Loader& dbLoader = static_cast <File::Loader&> (loader);
106 a_filesystemFile = dbLoader.getFile ();
107 a_parent = Directory::instantiate (filesystem::Directory::down_cast (a_filesystemFile->getParent ()));
108 a_inode = dbLoader.getINode ();
111 string msg ("storage::File::initialize | ");
113 Logger::information (msg, ANNA_FILE_LOCATION);
117 void storage::File::destroy ()
121 string msg ("storage::File::destroy | ");
123 Logger::information (msg, ANNA_FILE_LOCATION);
125 Directory::release (a_parent);
128 string storage::File::asString () const
131 std::string result ("storage::File { Name: ");
132 result += a_filesystemFile->getPath ();
133 result += functions::asHexText (" | I-Node: ", a_inode);
134 return result += " }";
138 * Transfiere la información del medio físico al primer nivel de C++.
139 * Posteriormente será interpretada en storage::File::initialize
141 bool storage::File::Loader::load (dbms::Connection*, const dbos::StorageArea* ssaa)
142 throw (RuntimeException)
144 a_inode = io::functions::getINode (a_filesystemFile->getPath ());
148 dbos::Index storage::File::Loader::getIndex () const
151 return st_hash.calcule (a_filesystemFile->getPath ());
154 string storage::File::Loader::asString () const
157 std::string result ("storage::Loader::File { Name: ");
158 result += a_filesystemFile->getPath ();
159 return result += " }";