diff options
| author | Boris Kolpackov <boris@codesynthesis.com> | 2010-07-20 11:06:08 +0200 |
|---|---|---|
| committer | Boris Kolpackov <boris@codesynthesis.com> | 2010-07-20 11:06:08 +0200 |
| commit | 0e595e5d7bcc25b18027f3bda5d4508d42dacb39 (patch) | |
| tree | 212b6a31c4d5e2dde1abd21a44debd879112065c /odb/source.cxx | |
| parent | bb76e9388009ed0bb2512034f8cd48a7d19aabb3 (diff) | |
Add failure case to tracer implementation
Also adjust object traits API to work with the new low-level API in libodb.
Diffstat (limited to 'odb/source.cxx')
| -rw-r--r-- | odb/source.cxx | 40 |
1 files changed, 35 insertions, 5 deletions
diff --git a/odb/source.cxx b/odb/source.cxx index 0a14354..168dfae 100644 --- a/odb/source.cxx +++ b/odb/source.cxx @@ -46,19 +46,25 @@ namespace // insert () // os << "void " << traits << "::" << endl - << "insert (database&, const object_type& obj)" + << "insert (database&, object_type& obj)" << "{" << "std::cout << \"insert \" << type_name () << \" id \" << " << "id (obj) << std::endl;" + << endl + << "if (id (obj) == id_type ())" << endl + << "throw object_already_persistent ();" << "}"; // update () // os << "void " << traits << "::" << endl - << "update (database&, const object_type& obj)" + << "update (database&, object_type& obj)" << "{" << "std::cout << \"update \" << type_name () << \" id \" << " << "id (obj) << std::endl;" + << endl + << "if (id (obj) == id_type ())" << endl + << "throw object_not_persistent ();" << "}"; // erase () @@ -68,21 +74,41 @@ namespace << "{" << "std::cout << \"delete \" << type_name () << \" id \" << " << "id << std::endl;" + << endl + << "if (id == id_type ())" << endl + << "throw object_not_persistent ();" << "}"; // find () // - os << traits << "::shared_ptr " << endl + os << traits << "::pointer_type" << endl << traits << "::" << endl << "find (database&, const id_type& id)" << "{" << "std::cout << \"select \" << type_name () << \" id \" << " << "id << std::endl;" - << "shared_ptr r (access::object_factory< " << type << + << endl + << "if (id == id_type ())" << endl + << "return pointer_type (0);" + << endl + << "pointer_type r (access::object_factory< " << type << " >::create ());" << "r->" << id.name () << " = id;" << "return r;" << "}"; + + os << "bool " << traits << "::" << endl + << "find (database&, const id_type& id, object_type& obj)" + << "{" + << "std::cout << \"select \" << type_name () << \" id \" << " << + "id << std::endl;" + << endl + << "if (id == id_type ())" << endl + << "return false;" + << endl + << "obj." << id.name () << " = id;" + << "return true;" + << "}"; } }; } @@ -106,7 +132,11 @@ generate_source (context& ctx) ctx.os << "#include <iostream>" << endl << endl; - //ctx.os << "#include <odb/database.hxx>" << endl + ctx.os << "#include <odb/exceptions.hxx>" << endl + << endl; + + //ctx.os << "#include <odb/tracer/database.hxx>" << endl + // << "#include <odb/tracer/exceptions.hxx>" << endl // << endl; ctx.os << "namespace odb" |