[evolution-data-server/openismus-work-3-8: 19/43] EDataBookCursorSqlite: Ported to EBookSqlite



commit 782a75f9f5290d56bca9c7b5ea7307328c2b1f6d
Author: Tristan Van Berkom <tristanvb openismus com>
Date:   Tue Nov 19 23:55:29 2013 +0900

    EDataBookCursorSqlite: Ported to EBookSqlite

 .../libedata-book/e-data-book-cursor-sqlite.c      |  215 ++++++++++----------
 .../libedata-book/e-data-book-cursor-sqlite.h      |   17 +-
 2 files changed, 116 insertions(+), 116 deletions(-)
---
diff --git a/addressbook/libedata-book/e-data-book-cursor-sqlite.c 
b/addressbook/libedata-book/e-data-book-cursor-sqlite.c
index 408a031..ac630bf 100644
--- a/addressbook/libedata-book/e-data-book-cursor-sqlite.c
+++ b/addressbook/libedata-book/e-data-book-cursor-sqlite.c
@@ -24,7 +24,7 @@
  * @short_description: The SQLite cursor implementation
  *
  * This cursor implementation can be used with any backend which
- * stores contacts using #EBookBackendSqliteDB.
+ * stores contacts using #EBookSqlite.
  */
 
 #ifdef HAVE_CONFIG_H
@@ -53,6 +53,7 @@ static gint     e_data_book_cursor_sqlite_step                 (EDataBookCursor
                                                                EBookCursorOrigin    origin,
                                                                gint                 count,
                                                                GSList             **results,
+                                                               GCancellable        *cancellable,
                                                                GError             **error);
 static gboolean e_data_book_cursor_sqlite_set_alphabetic_index (EDataBookCursor     *cursor,
                                                                gint                 index,
@@ -61,6 +62,7 @@ static gboolean e_data_book_cursor_sqlite_set_alphabetic_index (EDataBookCursor
 static gboolean e_data_book_cursor_sqlite_get_position         (EDataBookCursor     *cursor,
                                                                gint                *total,
                                                                gint                *position,
+                                                               GCancellable        *cancellable,
                                                                GError             **error);
 static gint     e_data_book_cursor_sqlite_compare_contact      (EDataBookCursor     *cursor,
                                                                EContact            *contact,
@@ -70,15 +72,15 @@ static gboolean e_data_book_cursor_sqlite_load_locale          (EDataBookCursor
                                                                GError             **error);
 
 struct _EDataBookCursorSqlitePrivate {
-       EBookBackendSqliteDB *ebsdb;
-       EbSdbCursor          *cursor;
-       gchar                *folder_id;
+       EBookSqlite *ebsql;
+       EbSqlCursor *cursor;
+       gchar       *revision_key;
 };
 
 enum {
        PROP_0,
-       PROP_EBSDB,
-       PROP_FOLDER_ID,
+       PROP_EBSQL,
+       PROP_REVISION_KEY,
        PROP_CURSOR,
 };
 
@@ -108,29 +110,28 @@ e_data_book_cursor_sqlite_class_init (EDataBookCursorSqliteClass *class)
 
        g_object_class_install_property (
                object_class,
-               PROP_EBSDB,
+               PROP_EBSQL,
                g_param_spec_object (
-                       "ebsdb", "EBookBackendSqliteDB",
-                       "The EBookBackendSqliteDB to use for queries",
-                       E_TYPE_BOOK_BACKEND_SQLITEDB,
+                       "ebsql", "EBookSqlite",
+                       "The EBookSqlite to use for queries",
+                       E_TYPE_BOOK_SQLITE,
                        G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY));
 
        g_object_class_install_property (
                object_class,
-               PROP_FOLDER_ID,
+               PROP_REVISION_KEY,
                g_param_spec_string (
-                       "folder-id", "Folder ID",
-                       "The folder identifier to use with the EBookBackendSqliteDB object",
+                       "revision-key", "Revision Key",
+                       "The key name to fetch the revision from the sqlite backend",
                        NULL,
-                       G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY |
-                       G_PARAM_STATIC_STRINGS));
+                       G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY));
 
        g_object_class_install_property (
                object_class,
                PROP_CURSOR,
                g_param_spec_pointer (
                        "cursor", "Cursor",
-                       "The EbSdbCursor pointer",
+                       "The EbSqlCursor pointer",
                        G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY));
 
        g_type_class_add_private (class, sizeof (EDataBookCursorSqlitePrivate));
@@ -151,14 +152,14 @@ e_data_book_cursor_sqlite_dispose (GObject *object)
        EDataBookCursorSqlite        *cursor = E_DATA_BOOK_CURSOR_SQLITE (object);
        EDataBookCursorSqlitePrivate *priv = cursor->priv;
 
-       if (priv->ebsdb) {
+       if (priv->ebsql) {
 
                if (priv->cursor)
-                       e_book_backend_sqlitedb_cursor_free (priv->ebsdb,
-                                                            priv->cursor);
+                       e_book_sqlite_cursor_free (priv->ebsql,
+                                                  priv->cursor);
 
-               g_object_unref (priv->ebsdb);
-               priv->ebsdb = NULL;
+               g_object_unref (priv->ebsql);
+               priv->ebsql = NULL;
                priv->cursor = NULL;
        }
 
@@ -171,7 +172,7 @@ e_data_book_cursor_sqlite_finalize (GObject *object)
        EDataBookCursorSqlite        *cursor = E_DATA_BOOK_CURSOR_SQLITE (object);
        EDataBookCursorSqlitePrivate *priv = cursor->priv;
 
-       g_free (priv->folder_id);
+       g_free (priv->revision_key);
 
        G_OBJECT_CLASS (e_data_book_cursor_sqlite_parent_class)->finalize (object);
 }
@@ -186,13 +187,13 @@ e_data_book_cursor_sqlite_set_property (GObject *object,
        EDataBookCursorSqlitePrivate *priv = cursor->priv;
 
        switch (property_id) {
-       case PROP_EBSDB:
+       case PROP_EBSQL:
                /* Construct-only, can only be set once */
-               priv->ebsdb = g_value_dup_object (value);
+               priv->ebsql = g_value_dup_object (value);
                break;
-       case PROP_FOLDER_ID:
+       case PROP_REVISION_KEY:
                /* Construct-only, can only be set once */
-               priv->folder_id = g_value_dup_string (value);
+               priv->revision_key = g_value_dup_string (value);
                break;
        case PROP_CURSOR:
                /* Construct-only, can only be set once */
@@ -220,15 +221,15 @@ e_data_book_cursor_sqlite_set_sexp (EDataBookCursor     *cursor,
        cursor_sqlite = E_DATA_BOOK_CURSOR_SQLITE (cursor);
        priv = cursor_sqlite->priv;
 
-       success = e_book_backend_sqlitedb_cursor_set_sexp (priv->ebsdb,
-                                                          priv->cursor,
-                                                          sexp,
-                                                          &local_error);
+       success = e_book_sqlite_cursor_set_sexp (priv->ebsql,
+                                                priv->cursor,
+                                                sexp,
+                                                &local_error);
 
        if (!success) {
                if (g_error_matches (local_error,
-                                    E_BOOK_SDB_ERROR,
-                                    E_BOOK_SDB_ERROR_INVALID_QUERY)) {
+                                    E_BOOK_SQLITE_ERROR,
+                                    E_BOOK_SQLITE_ERROR_INVALID_QUERY)) {
                        g_set_error_literal (error,
                                             E_CLIENT_ERROR,
                                             E_CLIENT_ERROR_INVALID_QUERY,
@@ -244,20 +245,20 @@ e_data_book_cursor_sqlite_set_sexp (EDataBookCursor     *cursor,
 
 static gboolean
 convert_origin (EBookCursorOrigin    src_origin,
-               EbSdbCursorOrigin   *dest_origin,
+               EbSqlCursorOrigin   *dest_origin,
                GError             **error)
 {
        gboolean success = TRUE;
 
        switch (src_origin) {
        case E_BOOK_CURSOR_ORIGIN_CURRENT:
-               *dest_origin = EBSDB_CURSOR_ORIGIN_CURRENT;
+               *dest_origin = EBSQL_CURSOR_ORIGIN_CURRENT;
                break;
        case E_BOOK_CURSOR_ORIGIN_BEGIN:
-               *dest_origin = EBSDB_CURSOR_ORIGIN_BEGIN;
+               *dest_origin = EBSQL_CURSOR_ORIGIN_BEGIN;
                break;
        case E_BOOK_CURSOR_ORIGIN_END:
-               *dest_origin = EBSDB_CURSOR_ORIGIN_END;
+               *dest_origin = EBSQL_CURSOR_ORIGIN_END;
                break;
        default:
                success = FALSE;
@@ -273,13 +274,13 @@ convert_origin (EBookCursorOrigin    src_origin,
 
 static void
 convert_flags (EBookCursorStepFlags    src_flags,
-              EbSdbCursorStepFlags   *dest_flags)
+              EbSqlCursorStepFlags   *dest_flags)
 {
        if (src_flags & E_BOOK_CURSOR_STEP_MOVE)
-               *dest_flags |= EBSDB_CURSOR_STEP_MOVE;
+               *dest_flags |= EBSQL_CURSOR_STEP_MOVE;
 
        if (src_flags & E_BOOK_CURSOR_STEP_FETCH)
-               *dest_flags |= EBSDB_CURSOR_STEP_FETCH;
+               *dest_flags |= EBSQL_CURSOR_STEP_FETCH;
 }
 
 static gint
@@ -289,13 +290,14 @@ e_data_book_cursor_sqlite_step (EDataBookCursor     *cursor,
                                EBookCursorOrigin    origin,
                                gint                 count,
                                GSList             **results,
+                               GCancellable        *cancellable,
                                GError             **error)
 {
        EDataBookCursorSqlite *cursor_sqlite;
        EDataBookCursorSqlitePrivate *priv;
        GSList *local_results = NULL, *local_converted_results = NULL, *l;
-       EbSdbCursorOrigin sqlitedb_origin = EBSDB_CURSOR_ORIGIN_CURRENT;
-       EbSdbCursorStepFlags sqlitedb_flags = 0;
+       EbSqlCursorOrigin sqlite_origin = EBSQL_CURSOR_ORIGIN_CURRENT;
+       EbSqlCursorStepFlags sqlite_flags = 0;
        gchar *revision = NULL;
        gboolean success = FALSE;
        gint n_results = -1;
@@ -303,25 +305,25 @@ e_data_book_cursor_sqlite_step (EDataBookCursor     *cursor,
        cursor_sqlite = E_DATA_BOOK_CURSOR_SQLITE (cursor);
        priv = cursor_sqlite->priv;
 
-       if (!convert_origin (origin, &sqlitedb_origin, error))
+       if (!convert_origin (origin, &sqlite_origin, error))
                return FALSE;
 
-       convert_flags (flags, &sqlitedb_flags);
+       convert_flags (flags, &sqlite_flags);
 
-       /* Here we check the EBookBackendSqliteDB revision
+       /* Here we check the EBookSqlite revision
         * against the revision_guard with an atomic transaction
         * with the sqlite.
         *
         * The addressbook modifications and revision changes
         * are also atomically committed to the SQLite.
         */
-       success = e_book_backend_sqlitedb_lock_updates (priv->ebsdb, error);
+       success = e_book_sqlite_lock (priv->ebsql, EBSQL_LOCK_READ, cancellable, error);
 
        if (success && revision_guard)
-               success = e_book_backend_sqlitedb_get_revision (priv->ebsdb,
-                                                               priv->folder_id,
-                                                               &revision,
-                                                               error);
+               success = e_book_sqlite_get_key_value (priv->ebsql,
+                                                      priv->revision_key,
+                                                      &revision,
+                                                      error);
 
        if (success && revision_guard &&
            g_strcmp0 (revision, revision_guard) != 0) {
@@ -336,20 +338,21 @@ e_data_book_cursor_sqlite_step (EDataBookCursor     *cursor,
        if (success) {
                GError *local_error = NULL;
 
-               n_results = e_book_backend_sqlitedb_cursor_step (priv->ebsdb,
-                                                                priv->cursor,
-                                                                sqlitedb_flags,
-                                                                sqlitedb_origin,
-                                                                count,
-                                                                &local_results,
-                                                                &local_error);
+               n_results = e_book_sqlite_cursor_step (priv->ebsql,
+                                                      priv->cursor,
+                                                      sqlite_flags,
+                                                      sqlite_origin,
+                                                      count,
+                                                      &local_results,
+                                                      cancellable,
+                                                      &local_error);
 
                if (n_results < 0) {
 
                        /* Convert the SQLite backend error to an EClient error */
                        if (g_error_matches (local_error,
-                                            E_BOOK_SDB_ERROR,
-                                            E_BOOK_SDB_ERROR_END_OF_LIST)) {
+                                            E_BOOK_SQLITE_ERROR,
+                                            E_BOOK_SQLITE_ERROR_END_OF_LIST)) {
                                g_set_error_literal (error, E_CLIENT_ERROR,
                                                     E_CLIENT_ERROR_QUERY_REFUSED,
                                                     local_error->message);
@@ -362,28 +365,27 @@ e_data_book_cursor_sqlite_step (EDataBookCursor     *cursor,
        }
 
        if (success) {
-               success = e_book_backend_sqlitedb_unlock_updates (priv->ebsdb, TRUE, error);
+               success = e_book_sqlite_unlock (priv->ebsql, EBSQL_UNLOCK_NONE, error);
 
        } else {
                GError *local_error = NULL;
 
-               /* Rollback transaction */
-               if (!e_book_backend_sqlitedb_unlock_updates (priv->ebsdb, FALSE, &local_error)) {
-                       g_warning ("Failed to rollback transaction after failing move cursor: %s",
+               if (!e_book_sqlite_unlock (priv->ebsql, EBSQL_UNLOCK_NONE, &local_error)) {
+                       g_warning ("Error occurred while unlocking the SQLite: %s",
                                   local_error->message);
                        g_clear_error (&local_error);
                }
        }
 
        for (l = local_results; l; l = l->next) {
-               EbSdbSearchData *data = l->data;
+               EbSqlSearchData *data = l->data;
 
                local_converted_results =
                        g_slist_prepend (local_converted_results, data->vcard);
                data->vcard = NULL;
        }
 
-       g_slist_free_full (local_results, (GDestroyNotify)e_book_backend_sqlitedb_search_data_free);
+       g_slist_free_full (local_results, (GDestroyNotify)e_book_sqlite_search_data_free);
 
        if (results)
                *results = g_slist_reverse (local_converted_results);
@@ -411,8 +413,7 @@ e_data_book_cursor_sqlite_set_alphabetic_index (EDataBookCursor     *cursor,
        cursor_sqlite = E_DATA_BOOK_CURSOR_SQLITE (cursor);
        priv = cursor_sqlite->priv;
 
-       if (!e_book_backend_sqlitedb_get_locale (priv->ebsdb, priv->folder_id,
-                                                &current_locale, error))
+       if (!e_book_sqlite_get_locale (priv->ebsql, &current_locale, error))
                return FALSE;
 
        /* Locale mismatch, need to report error */
@@ -425,9 +426,9 @@ e_data_book_cursor_sqlite_set_alphabetic_index (EDataBookCursor     *cursor,
                return FALSE;
        }
 
-       e_book_backend_sqlitedb_cursor_set_target_alphabetic_index (priv->ebsdb,
-                                                                   priv->cursor,
-                                                                   index);
+       e_book_sqlite_cursor_set_target_alphabetic_index (priv->ebsql,
+                                                         priv->cursor,
+                                                         index);
        g_free (current_locale);
        return TRUE;
 }
@@ -436,6 +437,7 @@ static gboolean
 e_data_book_cursor_sqlite_get_position (EDataBookCursor     *cursor,
                                        gint                *total,
                                        gint                *position,
+                                       GCancellable        *cancellable,
                                        GError             **error)
 {
        EDataBookCursorSqlite *cursor_sqlite;
@@ -444,10 +446,11 @@ e_data_book_cursor_sqlite_get_position (EDataBookCursor     *cursor,
        cursor_sqlite = E_DATA_BOOK_CURSOR_SQLITE (cursor);
        priv = cursor_sqlite->priv;
 
-       return e_book_backend_sqlitedb_cursor_calculate (priv->ebsdb,
-                                                        priv->cursor,
-                                                        total, position,
-                                                        error);
+       return e_book_sqlite_cursor_calculate (priv->ebsql,
+                                              priv->cursor,
+                                              total, position,
+                                              cancellable,
+                                              error);
 }
 
 static gint
@@ -461,10 +464,10 @@ e_data_book_cursor_sqlite_compare_contact (EDataBookCursor     *cursor,
        cursor_sqlite = E_DATA_BOOK_CURSOR_SQLITE (cursor);
        priv = cursor_sqlite->priv;
 
-       return e_book_backend_sqlitedb_cursor_compare_contact (priv->ebsdb,
-                                                              priv->cursor,
-                                                              contact,
-                                                              matches_sexp);
+       return e_book_sqlite_cursor_compare_contact (priv->ebsql,
+                                                    priv->cursor,
+                                                    contact,
+                                                    matches_sexp);
 }
 
 static gboolean
@@ -478,10 +481,9 @@ e_data_book_cursor_sqlite_load_locale (EDataBookCursor     *cursor,
        cursor_sqlite = E_DATA_BOOK_CURSOR_SQLITE (cursor);
        priv = cursor_sqlite->priv;
 
-       return e_book_backend_sqlitedb_get_locale (priv->ebsdb,
-                                                  priv->folder_id,
-                                                  locale,
-                                                  error);
+       return e_book_sqlite_get_locale (priv->ebsql,
+                                        locale,
+                                        error);
 }
 
 /************************************************
@@ -490,62 +492,61 @@ e_data_book_cursor_sqlite_load_locale (EDataBookCursor     *cursor,
 /**
  * e_data_book_cursor_sqlite_new:
  * @backend: the #EBookBackend creating this cursor
- * @ebsdb: the #EBookBackendSqliteDB object to base this cursor on
- * @folder_id: the folder identifier to be used in EBookBackendSqliteDB API calls
+ * @ebsql: the #EBookSqlite object to base this cursor on
+ * @revision_key: The key name to consult for the current overall contacts database revision
  * @sort_fields: (array length=n_fields): an array of #EContactFields as sort keys in order of priority
  * @sort_types: (array length=n_fields): an array of #EBookCursorSortTypes, one for each field in 
@sort_fields
  * @n_fields: the number of fields to sort results by.
  * @error: a return location to story any error that might be reported.
  *
  * Creates an #EDataBookCursor and implements all of the cursor methods
- * using the delegate @ebsdb object.
+ * using the delegate @ebsql object.
  *
  * This is a suitable cursor type for any backend which stores its contacts
- * using the #EBookBackendSqliteDB object.
+ * using the #EBookSqlite object.
  *
  * Returns: (transfer full): A newly created #EDataBookCursor, or %NULL if cursor creation failed.
  *
  * Since: 3.12
  */
 EDataBookCursor *
-e_data_book_cursor_sqlite_new (EBookBackend         *backend,
-                              EBookBackendSqliteDB *ebsdb,
-                              const gchar          *folder_id,
-                              EContactField        *sort_fields,
-                              EBookCursorSortType  *sort_types,
-                              guint                 n_fields,
-                              GError              **error)
+e_data_book_cursor_sqlite_new (EBookBackend              *backend,
+                              EBookSqlite               *ebsql,
+                              const gchar               *revision_key,
+                              const EContactField       *sort_fields,
+                              const EBookCursorSortType *sort_types,
+                              guint                      n_fields,
+                              GError                   **error)
 {
        EDataBookCursor *cursor = NULL;
-       EbSdbCursor     *ebsdb_cursor;
+       EbSqlCursor     *ebsql_cursor;
        GError          *local_error = NULL;
 
        g_return_val_if_fail (E_IS_BOOK_BACKEND (backend), NULL);
-       g_return_val_if_fail (E_IS_BOOK_BACKEND_SQLITEDB (ebsdb), NULL);
-       g_return_val_if_fail (folder_id && folder_id[0], NULL);
+       g_return_val_if_fail (E_IS_BOOK_SQLITE (ebsql), NULL);
 
-       ebsdb_cursor = e_book_backend_sqlitedb_cursor_new (ebsdb, folder_id, NULL,
-                                                          sort_fields,
-                                                          sort_types,
-                                                          n_fields,
-                                                          &local_error);
+       ebsql_cursor = e_book_sqlite_cursor_new (ebsql, NULL,
+                                                sort_fields,
+                                                sort_types,
+                                                n_fields,
+                                                &local_error);
 
-       if (ebsdb_cursor) {
+       if (ebsql_cursor) {
                cursor = g_object_new (E_TYPE_DATA_BOOK_CURSOR_SQLITE,
                                       "backend", backend,
-                                      "ebsdb", ebsdb,
-                                      "folder-id", folder_id,
-                                      "cursor", ebsdb_cursor,
+                                      "ebsql", ebsql,
+                                      "revision-key", revision_key,
+                                      "cursor", ebsql_cursor,
                                       NULL);
 
                /* Initially created cursors should have a position & total */
                if (!e_data_book_cursor_load_locale (E_DATA_BOOK_CURSOR (cursor),
-                                                    NULL, error))
+                                                    NULL, NULL, error))
                        g_clear_object (&cursor);
 
        } else if (g_error_matches (local_error,
-                                 E_BOOK_SDB_ERROR,
-                                 E_BOOK_SDB_ERROR_INVALID_QUERY)) {
+                                   E_BOOK_SQLITE_ERROR,
+                                   E_BOOK_SQLITE_ERROR_INVALID_QUERY)) {
                g_set_error_literal (error,
                                     E_CLIENT_ERROR,
                                     E_CLIENT_ERROR_INVALID_QUERY,
diff --git a/addressbook/libedata-book/e-data-book-cursor-sqlite.h 
b/addressbook/libedata-book/e-data-book-cursor-sqlite.h
index 88ea577..22e014a 100644
--- a/addressbook/libedata-book/e-data-book-cursor-sqlite.h
+++ b/addressbook/libedata-book/e-data-book-cursor-sqlite.h
@@ -26,7 +26,7 @@
 #define E_DATA_BOOK_CURSOR_SQLITE_H
 
 #include <libedata-book/e-data-book-cursor.h>
-#include <libedata-book/e-book-backend-sqlitedb.h>
+#include <libedata-book/e-book-sqlite.h>
 #include <libedata-book/e-book-backend.h>
 
 #define E_TYPE_DATA_BOOK_CURSOR_SQLITE        (e_data_book_cursor_sqlite_get_type ())
@@ -42,7 +42,6 @@ typedef struct _EDataBookCursorSqlite EDataBookCursorSqlite;
 typedef struct _EDataBookCursorSqliteClass EDataBookCursorSqliteClass;
 typedef struct _EDataBookCursorSqlitePrivate EDataBookCursorSqlitePrivate;
 
-
 /**
  * EDataBookCursorSqlite:
  *
@@ -68,13 +67,13 @@ struct _EDataBookCursorSqliteClass {
 };
 
 GType                  e_data_book_cursor_sqlite_get_type         (void);
-EDataBookCursor        *e_data_book_cursor_sqlite_new              (EBookBackend         *backend,
-                                                                   EBookBackendSqliteDB *ebsdb,
-                                                                   const gchar          *folder_id,
-                                                                   EContactField        *sort_fields,
-                                                                   EBookCursorSortType  *sort_types,
-                                                                   guint                 n_fields,
-                                                                   GError              **error);
+EDataBookCursor        *e_data_book_cursor_sqlite_new              (EBookBackend              *backend,
+                                                                   EBookSqlite               *ebsql,
+                                                                   const gchar               *revision_key,
+                                                                   const EContactField       *sort_fields,
+                                                                   const EBookCursorSortType *sort_types,
+                                                                   guint                      n_fields,
+                                                                   GError                   **error);
 
 G_END_DECLS
 


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