1 /* 2 * This file is part of gtkD. 3 * 4 * gtkD is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU Lesser General Public License 6 * as published by the Free Software Foundation; either version 3 7 * of the License, or (at your option) any later version, with 8 * some exceptions, please read the COPYING file. 9 * 10 * gtkD is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU Lesser General Public License for more details. 14 * 15 * You should have received a copy of the GNU Lesser General Public License 16 * along with gtkD; if not, write to the Free Software 17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA 18 */ 19 20 // generated automatically - do not change 21 // find conversion definition on APILookup.txt 22 // implement new conversion functionalities on the wrap.utils pakage 23 24 /* 25 * Conversion parameters: 26 * inFile = libgda-GdaClient.html 27 * outPack = gda 28 * outFile = Client 29 * strct = GdaClient 30 * realStrct= 31 * ctorStrct= 32 * clss = Client 33 * interf = 34 * class Code: Yes 35 * interface Code: No 36 * template for: 37 * extend = GObject 38 * implements: 39 * prefixes: 40 * - gda_client_ 41 * omit structs: 42 * omit prefixes: 43 * omit code: 44 * - gda_client_open_connection 45 * omit signals: 46 * imports: 47 * - glib.Str 48 * - glib.ListG 49 * - gda.Connection 50 * - gda.ErrorGda 51 * - gda.ParameterList 52 * - gda.Transaction 53 * structWrap: 54 * - GList* -> ListG 55 * - GdaConnection* -> Connection 56 * - GdaError* -> ErrorGda 57 * - GdaParameterList* -> ParameterList 58 * - GdaTransaction* -> Transaction 59 * module aliases: 60 * local aliases: 61 * overrides: 62 */ 63 64 module gda.Client; 65 66 public import gdac.gdatypes; 67 68 private import gdac.gda; 69 private import glib.ConstructionException; 70 private import gobject.ObjectG; 71 72 73 private import glib.Str; 74 private import glib.ListG; 75 private import gda.Connection; 76 private import gda.ErrorGda; 77 private import gda.ParameterList; 78 private import gda.Transaction; 79 80 81 82 private import gobject.ObjectG; 83 84 /** 85 * This class is the main entry point for libgda client applications. It provides 86 * the way by which client applications open connections. Thus, before using any other 87 * database-oriented function in libgda, applications must create a GdaClient object 88 * (via gda_client_new), and, once created, open the connections from it. 89 * 90 * GdaClient also provides a way to treat several connections as if they were only 91 * one (a connection pool), which allows applications to, for instance, commit/rollback 92 * a transaction in all the connections being managed by a unique GdaClient object, or 93 * obtain the list of all tables in all opened connections. 94 */ 95 public class Client : ObjectG 96 { 97 98 /** the main Gtk struct */ 99 protected GdaClient* gdaClient; 100 101 102 public GdaClient* getClientStruct() 103 { 104 return gdaClient; 105 } 106 107 108 /** the main Gtk struct as a void* */ 109 protected override void* getStruct() 110 { 111 return cast(void*)gdaClient; 112 } 113 114 /** 115 * Sets our main struct and passes it to the parent class 116 */ 117 public this (GdaClient* gdaClient) 118 { 119 super(cast(GObject*)gdaClient); 120 this.gdaClient = gdaClient; 121 } 122 123 protected override void setStruct(GObject* obj) 124 { 125 super.setStruct(obj); 126 gdaClient = cast(GdaClient*)obj; 127 } 128 129 /** 130 * Establishes a connection to a data source. The connection will be opened 131 * if no identical connection is available in the GdaClient connection pool, 132 * and re-used if available. If you dont want to share the connection, 133 * specify GDA_CONNECTION_OPTIONS_DONT_SHARE as one of the flags in 134 * the options parameter. 135 * This function is the way of opening database connections with libgda. 136 * Params: 137 * dsn = data source name. 138 * username = user name. 139 * password = password for username. 140 * options = options for the connection (see GdaConnectionOptions). 141 * Returns : 142 * the opened connection if successful, NULL if there is 143 * an error. 144 */ 145 public Connection openConnection(string dsn, string username, string password, GdaConnectionOptions options) 146 { 147 // GdaConnection* gda_client_open_connection (GdaClient *client, const gchar *dsn, const gchar *username, const gchar *password, GdaConnectionOptions options); 148 GdaConnection* connection = gda_client_open_connection(gdaClient, Str.toStringz(dsn), Str.toStringz(username), Str.toStringz(password), options); 149 return connection ? new Connection( connection) : null; 150 } 151 152 /** 153 */ 154 155 /** 156 * Creates a new GdaClient object, which is the entry point for libgda 157 * client applications. This object, once created, can be used for 158 * opening new database connections and activating other services 159 * available to GDA clients. 160 * Throws: ConstructionException GTK+ fails to create the object. 161 */ 162 public this () 163 { 164 // GdaClient* gda_client_new (void); 165 auto p = gda_client_new(); 166 if(p is null) 167 { 168 throw new ConstructionException("null returned by gda_client_new()"); 169 } 170 this(cast(GdaClient*) p); 171 } 172 173 /** 174 * Opens a connection given a provider ID and a connection string. This 175 * allows applications to open connections without having to create 176 * a data source in the configuration. The format of cnc_string is 177 * similar to PostgreSQL and MySQL connection strings. It is a ;-separated 178 * series of key=value pairs. Do not add extra whitespace after the ; 179 * separator. The possible keys depend on the provider, but 180 * Params: 181 * providerId = provider ID to connect to. 182 * cncString = connection string. 183 * options = options for the connection (see GdaConnectionOptions). 184 * Returns: the opened connection if successful, NULL if there is an error. 185 */ 186 public Connection openConnectionFromString(string providerId, string cncString, GdaConnectionOptions options) 187 { 188 // GdaConnection* gda_client_open_connection_from_string (GdaClient *client, const gchar *provider_id, const gchar *cnc_string, GdaConnectionOptions options); 189 auto p = gda_client_open_connection_from_string(gdaClient, Str.toStringz(providerId), Str.toStringz(cncString), options); 190 191 if(p is null) 192 { 193 return null; 194 } 195 196 return ObjectG.getDObject!(Connection)(cast(GdaConnection*) p); 197 } 198 199 /** 200 * Gets the list of all open connections in the given GdaClient object. 201 * The GList returned is an internal pointer, so DON'T TRY TO 202 * FREE IT. 203 * Returns: a GList of GdaConnection objects. 204 */ 205 public ListG getConnectionList() 206 { 207 // const GList* gda_client_get_connection_list (GdaClient *client); 208 auto p = gda_client_get_connection_list(gdaClient); 209 210 if(p is null) 211 { 212 return null; 213 } 214 215 return ObjectG.getDObject!(ListG)(cast(GList*) p); 216 } 217 218 /** 219 * Looks for an open connection given a data source name (per libgda 220 * configuration), a username and a password. 221 * This function iterates over the list of open connections in the 222 * given GdaClient and looks for one that matches the given data source 223 * name, username and password. 224 * Params: 225 * dsn = data source name. 226 * username = user name. 227 * password = password for username. 228 * Returns: a pointer to the found connection, or NULL if it could not be found. 229 */ 230 public Connection findConnection(string dsn, string username, string password) 231 { 232 // GdaConnection* gda_client_find_connection (GdaClient *client, const gchar *dsn, const gchar *username, const gchar *password); 233 auto p = gda_client_find_connection(gdaClient, Str.toStringz(dsn), Str.toStringz(username), Str.toStringz(password)); 234 235 if(p is null) 236 { 237 return null; 238 } 239 240 return ObjectG.getDObject!(Connection)(cast(GdaConnection*) p); 241 } 242 243 /** 244 * Closes all connections opened by the given GdaClient object. 245 */ 246 public void closeAllConnections() 247 { 248 // void gda_client_close_all_connections (GdaClient *client); 249 gda_client_close_all_connections(gdaClient); 250 } 251 252 /** 253 * Notifies an event to the given GdaClient's listeners. The event can be 254 * anything (see GdaClientEvent) ranging from a connection opening 255 * operation, to changes made to a table in an underlying database. 256 * Params: 257 * cnc = a GdaConnection object where the event has occurred. 258 * event = event ID. 259 * params = parameters associated with the event. 260 */ 261 public void notifyEvent(Connection cnc, GdaClientEvent event, ParameterList params) 262 { 263 // void gda_client_notify_event (GdaClient *client, GdaConnection *cnc, GdaClientEvent event, GdaParameterList *params); 264 gda_client_notify_event(gdaClient, (cnc is null) ? null : cnc.getConnectionStruct(), event, (params is null) ? null : params.getParameterListStruct()); 265 } 266 267 /** 268 * Notifies the given GdaClient of the GDA_CLIENT_EVENT_ERROR event. 269 * Params: 270 * cnc = a GdaConnection object. 271 * error = the error to be notified. 272 */ 273 public void notifyErrorEvent(Connection cnc, ErrorGda error) 274 { 275 // void gda_client_notify_error_event (GdaClient *client, GdaConnection *cnc, GdaError *error); 276 gda_client_notify_error_event(gdaClient, (cnc is null) ? null : cnc.getConnectionStruct(), (error is null) ? null : error.getErrorGdaStruct()); 277 } 278 279 /** 280 * Notifies the given GdaClient of the GDA_CLIENT_EVENT_CONNECTION_OPENED 281 * event. 282 * Params: 283 * cnc = a GdaConnection object. 284 */ 285 public void notifyConnectionOpenedEvent(Connection cnc) 286 { 287 // void gda_client_notify_connection_opened_event (GdaClient *client, GdaConnection *cnc); 288 gda_client_notify_connection_opened_event(gdaClient, (cnc is null) ? null : cnc.getConnectionStruct()); 289 } 290 291 /** 292 * Notifies the given GdaClient of the GDA_CLIENT_EVENT_CONNECTION_CLOSED 293 * event. 294 * Params: 295 * cnc = a GdaConnection object. 296 */ 297 public void notifyConnectionClosedEvent(Connection cnc) 298 { 299 // void gda_client_notify_connection_closed_event (GdaClient *client, GdaConnection *cnc); 300 gda_client_notify_connection_closed_event(gdaClient, (cnc is null) ? null : cnc.getConnectionStruct()); 301 } 302 303 /** 304 * Notifies the given GdaClient of the GDA_CLIENT_EVENT_TRANSACTION_STARTED 305 * event. 306 * Params: 307 * cnc = a GdaConnection object. 308 * xaction = a GdaTransaction object. 309 */ 310 public void notifyTransactionStartedEvent(Connection cnc, Transaction xaction) 311 { 312 // void gda_client_notify_transaction_started_event (GdaClient *client, GdaConnection *cnc, GdaTransaction *xaction); 313 gda_client_notify_transaction_started_event(gdaClient, (cnc is null) ? null : cnc.getConnectionStruct(), (xaction is null) ? null : xaction.getTransactionStruct()); 314 } 315 316 /** 317 * Notifies the given GdaClient of the GDA_CLIENT_EVENT_TRANSACTION_COMMITTED 318 * event. 319 * Params: 320 * cnc = a GdaConnection object. 321 * xaction = a GdaTransaction object. 322 */ 323 public void notifyTransactionCommittedEvent(Connection cnc, Transaction xaction) 324 { 325 // void gda_client_notify_transaction_committed_event (GdaClient *client, GdaConnection *cnc, GdaTransaction *xaction); 326 gda_client_notify_transaction_committed_event(gdaClient, (cnc is null) ? null : cnc.getConnectionStruct(), (xaction is null) ? null : xaction.getTransactionStruct()); 327 } 328 329 /** 330 * Notifies the given GdaClient of the GDA_CLIENT_EVENT_TRANSACTION_CANCELLED 331 * event. 332 * Params: 333 * cnc = a GdaConnection object. 334 * xaction = a GdaTransaction object. 335 */ 336 public void notifyTransactionCancelledEvent(Connection cnc, Transaction xaction) 337 { 338 // void gda_client_notify_transaction_cancelled_event (GdaClient *client, GdaConnection *cnc, GdaTransaction *xaction); 339 gda_client_notify_transaction_cancelled_event(gdaClient, (cnc is null) ? null : cnc.getConnectionStruct(), (xaction is null) ? null : xaction.getTransactionStruct()); 340 } 341 342 /** 343 * Starts a transaction on all connections being managed by the given 344 * GdaClient. It is important to note that this operates on all 345 * connections opened within a GdaClient, which could not be what 346 * you're looking for. 347 * To execute a transaction on a unique connection, use 348 * gda_connection_begin_transaction, gda_connection_commit_transaction 349 * and gda_connection_rollback_transaction. 350 * Params: 351 * xaction = a GdaTransaction object. 352 * Returns: TRUE if all transactions could be started successfully, or FALSE if one of them fails. 353 */ 354 public int beginTransaction(Transaction xaction) 355 { 356 // gboolean gda_client_begin_transaction (GdaClient *client, GdaTransaction *xaction); 357 return gda_client_begin_transaction(gdaClient, (xaction is null) ? null : xaction.getTransactionStruct()); 358 } 359 360 /** 361 * Commits a running transaction on all connections being managed by the given 362 * GdaClient. It is important to note that this operates on all 363 * connections opened within a GdaClient, which could not be what 364 * you're looking for. 365 * To execute a transaction on a unique connection, use 366 * gda_connection_begin_transaction, gda_connection_commit_transaction 367 * and gda_connection_rollback_transaction. 368 * Params: 369 * xaction = a GdaTransaction object. 370 * Returns: TRUE if all transactions could be committed successfully, or FALSE if one of them fails. 371 */ 372 public int commitTransaction(Transaction xaction) 373 { 374 // gboolean gda_client_commit_transaction (GdaClient *client, GdaTransaction *xaction); 375 return gda_client_commit_transaction(gdaClient, (xaction is null) ? null : xaction.getTransactionStruct()); 376 } 377 378 /** 379 * Cancels a running transaction on all connections being managed by the given 380 * GdaClient. It is important to note that this operates on all 381 * connections opened within a GdaClient, which could not be what 382 * you're looking for. 383 * To execute a transaction on a unique connection, use 384 * gda_connection_begin_transaction, gda_connection_commit_transaction 385 * and gda_connection_rollback_transaction. 386 * Params: 387 * xaction = a GdaTransaction object. 388 * Returns: TRUE if all transactions could be cancelled successfully, or FALSE if one of them fails. 389 */ 390 public int rollbackTransaction(Transaction xaction) 391 { 392 // gboolean gda_client_rollback_transaction (GdaClient *client, GdaTransaction *xaction); 393 return gda_client_rollback_transaction(gdaClient, (xaction is null) ? null : xaction.getTransactionStruct()); 394 } 395 }