[tracker/wip/carlosg/sparql-parser-ng: 305/306] libtracker-direct: Implement query_statement()
- From: Carlos Garnacho <carlosg src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [tracker/wip/carlosg/sparql-parser-ng: 305/306] libtracker-direct: Implement query_statement()
- Date: Mon, 15 Oct 2018 21:25:17 +0000 (UTC)
commit 9dbc9abe669be994a2603bedc1d486caeedef487
Author: Carlos Garnacho <carlosg gnome org>
Date: Mon Oct 15 23:10:31 2018 +0200
libtracker-direct: Implement query_statement()
This uses an internal TrackerSparql to hold the query.
src/libtracker-direct/meson.build | 1 +
src/libtracker-direct/tracker-direct-statement.c | 265 +++++++++++++++++++++++
src/libtracker-direct/tracker-direct-statement.h | 52 +++++
src/libtracker-direct/tracker-direct.c | 11 +
src/libtracker-direct/tracker-direct.h | 2 +
5 files changed, 331 insertions(+)
---
diff --git a/src/libtracker-direct/meson.build b/src/libtracker-direct/meson.build
index 0c515eaa7..aff19a885 100644
--- a/src/libtracker-direct/meson.build
+++ b/src/libtracker-direct/meson.build
@@ -1,5 +1,6 @@
libtracker_direct = static_library('tracker-direct',
'tracker-direct.c',
+ 'tracker-direct-statement.c',
c_args: tracker_c_args,
dependencies: [ glib, gio, tracker_data_dep ],
include_directories: [commoninc, configinc, srcinc],
diff --git a/src/libtracker-direct/tracker-direct-statement.c
b/src/libtracker-direct/tracker-direct-statement.c
new file mode 100644
index 000000000..68ede258f
--- /dev/null
+++ b/src/libtracker-direct/tracker-direct-statement.c
@@ -0,0 +1,265 @@
+/*
+ * Copyright (C) 2018, Red Hat, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include "config.h"
+#include "tracker-direct-statement.h"
+#include "tracker-data.h"
+
+typedef struct _TrackerDirectStatementPrivate TrackerDirectStatementPrivate;
+
+struct _TrackerDirectStatementPrivate
+{
+ TrackerSparql *sparql;
+ GHashTable *values;
+};
+
+G_DEFINE_TYPE_WITH_PRIVATE (TrackerDirectStatement,
+ tracker_direct_statement,
+ TRACKER_SPARQL_TYPE_STATEMENT)
+
+static void
+tracker_direct_statement_finalize (GObject *object)
+{
+ TrackerDirectStatementPrivate *priv;
+
+ priv = tracker_direct_statement_get_instance_private (TRACKER_DIRECT_STATEMENT (object));
+ g_hash_table_destroy (priv->values);
+ g_clear_object (&priv->sparql);
+
+ G_OBJECT_CLASS (tracker_direct_statement_parent_class)->finalize (object);
+}
+
+static void
+tracker_direct_statement_constructed (GObject *object)
+{
+ TrackerDirectStatementPrivate *priv;
+ TrackerSparqlConnection *conn;
+ gchar *sparql;
+
+ priv = tracker_direct_statement_get_instance_private (TRACKER_DIRECT_STATEMENT (object));
+
+ g_object_get (object,
+ "sparql", &sparql,
+ "connection", &conn,
+ NULL);
+
+ priv->sparql = tracker_sparql_new (tracker_direct_connection_get_data_manager
(TRACKER_DIRECT_CONNECTION (conn)),
+ sparql);
+ g_object_unref (conn);
+ g_free (sparql);
+
+ G_OBJECT_CLASS (tracker_direct_statement_parent_class)->constructed (object);
+}
+
+static GValue *
+insert_value (TrackerDirectStatement *stmt,
+ const gchar *name,
+ GType type)
+{
+ TrackerDirectStatementPrivate *priv;
+ GValue *value;
+
+ priv = tracker_direct_statement_get_instance_private (stmt);
+ value = g_new0 (GValue, 1);
+ g_value_init (value, type);
+
+ g_hash_table_insert (priv->values, g_strdup (name), value);
+
+ return value;
+}
+
+static void
+tracker_direct_statement_bind_int (TrackerSparqlStatement *stmt,
+ const gchar *name,
+ gint64 value)
+{
+ GValue *gvalue;
+
+ gvalue = insert_value (TRACKER_DIRECT_STATEMENT (stmt), name, G_TYPE_INT64);
+ g_value_set_int64 (gvalue, value);
+}
+
+static void
+tracker_direct_statement_bind_double (TrackerSparqlStatement *stmt,
+ const gchar *name,
+ double value)
+{
+ GValue *gvalue;
+
+ gvalue = insert_value (TRACKER_DIRECT_STATEMENT (stmt), name, G_TYPE_DOUBLE);
+ g_value_set_double (gvalue, value);
+}
+
+static void
+tracker_direct_statement_bind_boolean (TrackerSparqlStatement *stmt,
+ const gchar *name,
+ gboolean value)
+{
+ GValue *gvalue;
+
+ gvalue = insert_value (TRACKER_DIRECT_STATEMENT (stmt), name, G_TYPE_BOOLEAN);
+ g_value_set_boolean (gvalue, value);
+}
+
+static void
+tracker_direct_statement_bind_string (TrackerSparqlStatement *stmt,
+ const gchar *name,
+ const gchar *value)
+{
+ GValue *gvalue;
+
+ gvalue = insert_value (TRACKER_DIRECT_STATEMENT (stmt), name, G_TYPE_STRING);
+ g_value_set_string (gvalue, value);
+}
+
+static TrackerSparqlCursor *
+tracker_direct_statement_execute (TrackerSparqlStatement *stmt,
+ GCancellable *cancellable,
+ GError **error)
+{
+ TrackerDirectStatementPrivate *priv;
+
+ priv = tracker_direct_statement_get_instance_private (TRACKER_DIRECT_STATEMENT (stmt));
+
+ return tracker_sparql_execute_cursor (priv->sparql, priv->values, error);
+}
+
+static void
+execute_in_thread (GTask *task,
+ gpointer object,
+ gpointer task_data,
+ GCancellable *cancellable)
+{
+ TrackerDirectStatementPrivate *priv;
+ TrackerSparqlCursor *cursor;
+ GHashTable *values = task_data;
+ GError *error = NULL;
+
+ priv = tracker_direct_statement_get_instance_private (object);
+ cursor = tracker_sparql_execute_cursor (priv->sparql, values, &error);
+
+ if (error)
+ g_task_return_error (task, error);
+ else
+ g_task_return_pointer (task, cursor, g_object_unref);
+
+ g_object_unref (task);
+}
+
+static void
+free_gvalue (gpointer data)
+{
+ g_value_unset (data);
+ g_free (data);
+}
+
+static GHashTable *
+create_values_ht (void)
+{
+ return g_hash_table_new_full (g_str_hash, g_str_equal,
+ g_free, free_gvalue);
+}
+
+static GHashTable *
+copy_values_deep (GHashTable *values)
+{
+ GHashTable *copy;
+ GHashTableIter iter;
+ gpointer key, val;
+
+ copy = create_values_ht ();
+ g_hash_table_iter_init (&iter, values);
+
+ while (g_hash_table_iter_next (&iter, &key, &val)) {
+ GValue *copy_value;
+
+ copy_value = g_new0 (GValue, 1);
+ g_value_init (copy_value, G_VALUE_TYPE (val));
+ g_value_copy (copy_value, val);
+
+ g_hash_table_insert (copy, g_strdup (key), copy_value);
+ }
+
+ return copy;
+}
+
+static void
+tracker_direct_statement_execute_async (TrackerSparqlStatement *stmt,
+ GCancellable *cancellable,
+ GAsyncReadyCallback callback,
+ gpointer user_data)
+{
+ TrackerDirectStatementPrivate *priv;
+ GHashTable *values;
+ GTask *task;
+
+ priv = tracker_direct_statement_get_instance_private (TRACKER_DIRECT_STATEMENT (stmt));
+
+ values = copy_values_deep (priv->values);
+
+ task = g_task_new (stmt, cancellable, callback, user_data);
+ g_task_set_task_data (task, values, (GDestroyNotify) g_hash_table_unref);
+ g_task_run_in_thread (task, execute_in_thread);
+}
+
+static TrackerSparqlCursor *
+tracker_direct_statement_execute_finish (TrackerSparqlStatement *stmt,
+ GAsyncResult *res,
+ GError **error)
+{
+ return g_task_propagate_pointer (G_TASK (res), error);
+}
+
+static void
+tracker_direct_statement_class_init (TrackerDirectStatementClass *klass)
+{
+ TrackerSparqlStatementClass *stmt_class = (TrackerSparqlStatementClass *) klass;
+ GObjectClass *object_class = (GObjectClass *) klass;
+
+ object_class->finalize = tracker_direct_statement_finalize;
+ object_class->constructed = tracker_direct_statement_constructed;
+
+ stmt_class->bind_int = tracker_direct_statement_bind_int;
+ stmt_class->bind_boolean = tracker_direct_statement_bind_boolean;
+ stmt_class->bind_double = tracker_direct_statement_bind_double;
+ stmt_class->bind_string = tracker_direct_statement_bind_string;
+ stmt_class->execute = tracker_direct_statement_execute;
+ stmt_class->execute_async = tracker_direct_statement_execute_async;
+ stmt_class->execute_finish = tracker_direct_statement_execute_finish;
+}
+
+static void
+tracker_direct_statement_init (TrackerDirectStatement *stmt)
+{
+ TrackerDirectStatementPrivate *priv;
+
+ priv = tracker_direct_statement_get_instance_private (stmt);
+ priv->values = create_values_ht ();
+}
+
+TrackerDirectStatement *
+tracker_direct_statement_new (TrackerSparqlConnection *conn,
+ const gchar *sparql,
+ GError **error)
+{
+ return g_object_new (TRACKER_TYPE_DIRECT_STATEMENT,
+ "sparql", sparql,
+ "connection", conn,
+ NULL);
+}
diff --git a/src/libtracker-direct/tracker-direct-statement.h
b/src/libtracker-direct/tracker-direct-statement.h
new file mode 100644
index 000000000..d68bb6bc8
--- /dev/null
+++ b/src/libtracker-direct/tracker-direct-statement.h
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2018, Red Hat, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef __TRACKER_DIRECT_STATEMENT_H__
+#define __TRACKER_DIRECT_STATEMENT_H__
+
+#include "tracker-direct.h"
+#include <libtracker-sparql/tracker-sparql.h>
+
+#define TRACKER_TYPE_DIRECT_STATEMENT (tracker_direct_statement_get_type ())
+#define TRACKER_DIRECT_STATEMENT(o) (G_TYPE_CHECK_INSTANCE_CAST ((o),
TRACKER_TYPE_DIRECT_STATEMENT, TrackerDirectStatement))
+#define TRACKER_DIRECT_STATEMENT_CLASS(c) (G_TYPE_CHECK_CLASS_CAST ((c), TRACKER_TYPE_DIRECT_STATEMENT,
TrackerDirectStatementClass))
+#define TRACKER_IS_DIRECT_STATEMENT(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o),
TRACKER_TYPE_DIRECT_STATEMENT))
+#define TRACKER_IS_DIRECT_STATEMENT_CLASS(c) (G_TYPE_CHECK_CLASS_TYPE ((c), TRACKER_TYPE_DIRECT_STATEMENT))
+#define TRACKER_DIRECT_STATEMENT_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o),
TRACKER_TYPE_DIRECT_STATEMENT, TrackerDirectStatementClass))
+
+typedef struct _TrackerDirectStatement TrackerDirectStatement;
+typedef struct _TrackerDirectStatementClass TrackerDirectStatementClass;
+
+struct _TrackerDirectStatementClass
+{
+ TrackerSparqlStatementClass parent_class;
+};
+
+struct _TrackerDirectStatement
+{
+ TrackerSparqlStatement parent_instance;
+};
+
+GType tracker_direct_statement_get_type (void) G_GNUC_CONST;
+
+TrackerDirectStatement * tracker_direct_statement_new (TrackerSparqlConnection *conn,
+ const gchar *sparql,
+ GError **error);
+
+#endif /* __TRACKER_DIRECT_STATEMENT_H__ */
diff --git a/src/libtracker-direct/tracker-direct.c b/src/libtracker-direct/tracker-direct.c
index c5d3e5c94..513873ff5 100644
--- a/src/libtracker-direct/tracker-direct.c
+++ b/src/libtracker-direct/tracker-direct.c
@@ -21,6 +21,7 @@
#include "config.h"
#include "tracker-direct.h"
+#include "tracker-direct-statement.h"
#include <libtracker-data/tracker-data.h>
#include <libtracker-data/tracker-sparql.h>
@@ -479,6 +480,15 @@ tracker_direct_connection_query_finish (TrackerSparqlConnection *self,
return g_task_propagate_pointer (G_TASK (res), error);
}
+static TrackerSparqlStatement *
+tracker_direct_connection_query_statement (TrackerSparqlConnection *self,
+ const gchar *query,
+ GCancellable *cancellable,
+ GError **error)
+{
+ return TRACKER_SPARQL_STATEMENT (tracker_direct_statement_new (self, query, error));
+}
+
static void
tracker_direct_connection_update (TrackerSparqlConnection *self,
const gchar *sparql,
@@ -744,6 +754,7 @@ tracker_direct_connection_class_init (TrackerDirectConnectionClass *klass)
sparql_connection_class->query = tracker_direct_connection_query;
sparql_connection_class->query_async = tracker_direct_connection_query_async;
sparql_connection_class->query_finish = tracker_direct_connection_query_finish;
+ sparql_connection_class->query_statement = tracker_direct_connection_query_statement;
sparql_connection_class->update = tracker_direct_connection_update;
sparql_connection_class->update_async = tracker_direct_connection_update_async;
sparql_connection_class->update_finish = tracker_direct_connection_update_finish;
diff --git a/src/libtracker-direct/tracker-direct.h b/src/libtracker-direct/tracker-direct.h
index 0b66fdb1f..950db3975 100644
--- a/src/libtracker-direct/tracker-direct.h
+++ b/src/libtracker-direct/tracker-direct.h
@@ -44,6 +44,8 @@ struct _TrackerDirectConnection
TrackerSparqlConnection parent_instance;
};
+GType tracker_direct_connection_get_type (void) G_GNUC_CONST;
+
TrackerDirectConnection *tracker_direct_connection_new (TrackerSparqlConnectionFlags flags,
GFile *store,
GFile *journal,
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