Qore ConnectionProvider Module Reference 1.11
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ConnectionProvider.qm.dox.h
1// -*- mode: c++; indent-tabs-mode: nil -*-
3
4/* ConnectionProvider.qm Copyright 2016 - 2023 Qore Technologies, s.r.o.
5
6 Permission is hereby granted, free of charge, to any person obtaining a
7 copy of this software and associated documentation files (the "Software"),
8 to deal in the Software without restriction, including without limitation
9 the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 and/or sell copies of the Software, and to permit persons to whom the
11 Software is furnished to do so, subject to the following conditions:
12
13 The above copyright notice and this permission notice shall be included in
14 all copies or substantial portions of the Software.
15
16 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 DEALINGS IN THE SOFTWARE.
23*/
24
25// minimum required Qore module
26
27
28
29
223
225namespace ConnectionProvider {
227
233 *string module;
234
237
239 *softlist<auto> args;
240
242
253
255
266};
267
269
271public hashdecl ConnectionInfo {
273 string name;
274
276 string desc;
277
280
283
286
288 *hash opts;
289
291 string status;
292
294 string type;
295
297 bool up = False;
298
300 *date updated;
301
303
305 string url;
306
309
311
314
316
318 bool locked;
319
321
324
326 hash<auto> tags;
327
329 *hash<string, bool> features;
330
332 bool has_provider = False;
333
336
339
342
345
348};
349
351
353public hashdecl ConfigInfo {
354 string name;
355 string desc;
356 string url;
357 *hash opts;
358};
359
361
363public hashdecl PingInfo {
364 string name;
366
367 string desc;
369
370 *hash opts;
372
373 string url;
375
376 bool ok;
378
379 date time;
381
382 string info;
384
387
389 *hash<ExceptionInfo> ex;
390};
391
393
408 string get_connection_url(string str);
409
410
412
428
429
431
446 *hash<string, AbstractConnection> get_connections(*bool verbose);
447
448
450
465 *hash<string, hash<ConnectionInfo>> get_connection_hash(*bool verbose);
466
467}; // ConnectionProvider namespace
468
469// private, non-exported namespace
470namespace Priv {
471*hash priv_try_get_connections(string mod);
472
473
474ConnectionProvider::AbstractConnection priv_try_get_connection(string mod, string conn);
475
476}; // Priv nsmrspace
abstract base class for connections
Definition: AbstractConnection.qc.dox.h:34
The ConnectionProvider namespace.
Definition: AbstractConnection.qc.dox.h:28
string get_connection_url(string str)
returns a URL string for the given identifier if the identifier is known to a registered connection p...
*hash< string, AbstractConnection > get_connections(*bool verbose)
returns all known connections as a hash keyed by connection identifier; values are AbstractConnection...
AbstractConnection get_connection(string conn)
returns an AbstractConnection object if the identifier is known to a registered connection provider
*hash< string, hash< ConnectionInfo > > get_connection_hash(*bool verbose)
returns a hash of connection information keyed by connection identifier; values are ConnectionInfo ha...
config informaton
Definition: ConnectionProvider.qm.dox.h:353
*hash opts
the options set on the connection
Definition: ConnectionProvider.qm.dox.h:357
string name
the name of the connection
Definition: ConnectionProvider.qm.dox.h:354
string desc
the description
Definition: ConnectionProvider.qm.dox.h:355
string url
the full URL (including any username & password)
Definition: ConnectionProvider.qm.dox.h:356
information that can be used to dynamically construct a connection object
Definition: ConnectionProvider.qm.dox.h:231
string class_name
the name of the constructor's class
Definition: ConnectionProvider.qm.dox.h:236
*string module
any module required to be loaded for the constructor call
Definition: ConnectionProvider.qm.dox.h:233
*string pre_processing
code to execute before construction to preprocess the constructor arguments
Definition: ConnectionProvider.qm.dox.h:265
*string post_processing
code to execute after construction
Definition: ConnectionProvider.qm.dox.h:252
*softlist< auto > args
the constructor arguments
Definition: ConnectionProvider.qm.dox.h:239
connection information hash
Definition: ConnectionProvider.qm.dox.h:271
hash< auto > tags
user-defined key-value pairs associated with the connection
Definition: ConnectionProvider.qm.dox.h:326
bool children_can_support_records
if the data provider or any of its children support records
Definition: ConnectionProvider.qm.dox.h:338
bool loopback
a boolean vaue indicating if the connection is a loopback connection
Definition: ConnectionProvider.qm.dox.h:282
bool has_provider
if the connection supports the data provider API
Definition: ConnectionProvider.qm.dox.h:332
*date last_check
the date/time value of the last connection check (or NOTHING if not checked)
Definition: ConnectionProvider.qm.dox.h:279
*hash opts
the original options used to create the object
Definition: ConnectionProvider.qm.dox.h:288
bool children_can_support_apis
if the data provider or any of its children support requests (APIs)
Definition: ConnectionProvider.qm.dox.h:335
bool monitor
a boolean vaue indicating if the connection should be monitored or not
Definition: ConnectionProvider.qm.dox.h:285
bool up
a boolean vaue indicating the connection is known to be up (will be False if not checked)
Definition: ConnectionProvider.qm.dox.h:297
bool children_can_support_messages
if the data provider or any of its children support messages
Definition: ConnectionProvider.qm.dox.h:344
bool locked
a boolean value indicating whether the connection is locked or not
Definition: ConnectionProvider.qm.dox.h:318
*hash< string, bool > features
connection-defined feature hash
Definition: ConnectionProvider.qm.dox.h:329
string name
the connection name
Definition: ConnectionProvider.qm.dox.h:273
bool children_can_support_transactions
if the data provider or any of its children support transaction management
Definition: ConnectionProvider.qm.dox.h:347
string type
the connection type
Definition: ConnectionProvider.qm.dox.h:294
*date updated
the date/time value of the update (or NOTHING if not updated)
Definition: ConnectionProvider.qm.dox.h:300
bool enabled
a boolean value indicating if the connection should be enabled or not
Definition: ConnectionProvider.qm.dox.h:313
bool debug_data
a boolean value indicating whether the connection should be subject to data debugging
Definition: ConnectionProvider.qm.dox.h:323
bool children_can_support_observers
if the data provider or any of its children support events
Definition: ConnectionProvider.qm.dox.h:341
string status
a string giving the connection's status
Definition: ConnectionProvider.qm.dox.h:291
string desc
the connection description
Definition: ConnectionProvider.qm.dox.h:276
string url
the URL for the connection including the password
Definition: ConnectionProvider.qm.dox.h:305
hash url_hash
a hash of URL information as returned by parse_url()
Definition: ConnectionProvider.qm.dox.h:308
ping response info
Definition: ConnectionProvider.qm.dox.h:363
date time
a relative date/time value giving the elapsed time of the ping operation
Definition: ConnectionProvider.qm.dox.h:379
string desc
the description
Definition: ConnectionProvider.qm.dox.h:367
*hash ping_info
an optional free-form hash giving additional info regarding ping operation or the remote system
Definition: ConnectionProvider.qm.dox.h:385
bool ok
a boolean value giving the result of the ping
Definition: ConnectionProvider.qm.dox.h:376
*hash opts
the options set on the connection
Definition: ConnectionProvider.qm.dox.h:370
string url
a safe version of the URL (without passwords)
Definition: ConnectionProvider.qm.dox.h:373
string name
the name of the connection
Definition: ConnectionProvider.qm.dox.h:364
string info
a string giving the result of the ping ("OK" or an error message)
Definition: ConnectionProvider.qm.dox.h:382