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ROC/library/persistence/sqlite3/src/cms_storage_sqlite3_builder.e

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note
description: "[
Objects that ...
]"
author: "$Author$"
date: "$Date$"
revision: "$Revision$"
class
CMS_STORAGE_SQLITE3_BUILDER
inherit
CMS_STORAGE_SQL_BUILDER
create
make
feature {NONE} -- Initialization
make
-- Initialize `Current'.
do
end
feature -- Factory
storage (a_setup: CMS_SETUP; a_error_handler: ERROR_HANDLER): detachable CMS_STORAGE_SQLITE3
local
s: detachable READABLE_STRING_32
p: PATH
db: detachable SQLITE_DATABASE
l_source: SQLITE_FILE_SOURCE
i,j: INTEGER
do
if
attached (create {APPLICATION_JSON_CONFIGURATION_HELPER}).new_database_configuration (a_setup.environment.application_config_path) as l_database_config
then
if l_database_config.driver.is_case_insensitive_equal ("sqlite3") then
s := l_database_config.database_string
i := s.substring_index ("Database=", 1)
if i > 0 then
i := s.index_of ('=', i) + 1
j := s.index_of (';', i)
if j = 0 then
j := s.count + 1
end
create p.make_from_string (s.substring (i, j - 1))
else
create p.make_from_string (s)
end
if attached reuseable_connection.item as d then
if p.same_as (d.path) then
db := d.database
end
end
if db = Void or else db.is_closed then
create l_source.make (p.name)
create db.make (l_source)
if l_source.exists then
db.open_read_write
else
db.open_create_read_write
end
end
if not db.is_closed then
db.set_busy_timeout (1_000) -- FIXME
create Result.make (db)
-- set_map_zero_null_value (False) --| This way we map 0 to 0, instead of Null as default.
if Result.is_available then
if not Result.is_initialized then
initialize (a_setup, Result)
end
end
else
a_error_handler.add_custom_error (0, "Could not connect to the ODBC storage", Void)
end
else
-- Wrong mapping between storage name and storage builder!
end
end
end
reuseable_connection: CELL [detachable TUPLE [path: PATH; database: SQLITE_DATABASE]]
once
create Result.put (Void)
end
end