本文整理汇总了PHP中Lock::acquire_lock方法的典型用法代码示例。如果您正苦于以下问题：PHP Lock::acquire_lock方法的具体用法？PHP Lock::acquire_lock怎么用？PHP Lock::acquire_lock使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Lock的用法示例。
在下文中一共展示了Lock::acquire_lock方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的PHP代码示例。
示例1: begin_editing_Delivery
/**
* Disables old revisions in user database, create a copy of content records in user database then acquire lock on Delivery
* @param {int} $UID The UID of the edited Delivery
* @param {int} $user The user that is editing the Delivery
* @return {bool} returns true on success false otherwise
*/
public static function begin_editing_Delivery($UID, $user)
{
// acquire lock copy data records of the Delivery from the content database into user database
// get selected Delivery
$curr_Delivery = Delivery::get_Delivery_by_UID($UID);
if ($curr_Delivery == null) {
debugLog::log("<i>[delivery.php:begin_editing_Delivery]</i> Could not find Delivery of the base (" . $UID . ") in content");
return false;
}
// try to acquire lock on the Delivery
if (Lock::acquire_lock($UID, 'DELIVERY_BASE', $user) == false) {
debugLog::log("<i>[delivery.php:begin_editing_Delivery]</i> Could not acquire lock on Delivery (" . $UID . "), check whether the Delivery is locked by other users");
return false;
}
// disable all Delivery information
Delivery::disable_all_Delivery_info($UID, 'user');
// copy Delivery from content database into user database
$dbObj = new dbAPI();
$where_sttmnt = ' WHERE UID = ' . $UID . ' AND ENABLED = 1 ';
// get columns names
$columns_names = $dbObj->db_get_columns_names($dbObj->db_get_usersDB(), "DELIVERY_BASE", true);
// remove primary key (auto-increment) column (id)
$columns_names = str_replace("id,", "", $columns_names);
// copy record from content to user
$query = "INSERT INTO " . $dbObj->db_get_usersDB() . ".DELIVERY_BASE (" . $columns_names . ") SELECT " . $columns_names . " FROM " . $dbObj->db_get_contentDB() . ".Delivery_BASE " . $where_sttmnt . "";
$dbObj->run_query('', $query);
// get front Delivery table name
$front_table_name = Delivery::get_front_table_name($curr_Delivery["FRONT_TYPE"]);
if ($front_table_name == null) {
debugLog::log("<i>[delivery.php:begin_editing_Delivery]</i> Could not find front Delivery table name (" . $UID . ")");
// roll back option here
return false;
}
// get columns names
$columns_names = $dbObj->db_get_columns_names($dbObj->db_get_usersDB(), $front_table_name, true);
// remove primary key (auto-increment) column (id)
$columns_names = str_replace("id,", "", $columns_names);
// copy front record from content to user
$query = "INSERT INTO " . $dbObj->db_get_usersDB() . "." . $front_table_name . " (" . $columns_names . ") SELECT " . $columns_names . " FROM " . $dbObj->db_get_contentDB() . "." . $front_table_name . " " . $where_sttmnt . "";
$dbObj->run_query('', $query);
// loop over links and copy records from content to user
$links_tables_names = Delivery::get_relations_tables_names();
for ($i = 0; $i < count($links_tables_names); $i++) {
// prepare where statement
if ($links_tables_names[$i] == 'R_LD2D') {
$where_sttmnt = ' (PARENT_ID = ' . $UID . ' OR CHILD_ID = ' . $UID . ') ';
} else {
$where_sttmnt = ' (DELIVERY_BASE_ID = ' . $UID . ') ';
}
// get columns names
$columns_names = $dbObj->db_get_columns_names($dbObj->db_get_usersDB(), $links_tables_names[$i], true);
// remove primary key (auto-increment) column (id)
$columns_names = str_replace("id,", "", $columns_names);
// get all relevant relations
$query = "SELECT id FROM " . $links_tables_names[$i] . " where " . $where_sttmnt . " AND ENABLED = '1'";
$relations = $dbObj->db_select_query($dbObj->db_get_contentDB(), $query);
// loop over all records and insert them
for ($j = 0; $j < count($relations); $j++) {
$where_sttmnt = ' id =' . $relations[$j]["id"] . ' ';
$query = "INSERT INTO " . $dbObj->db_get_usersDB() . "." . $links_tables_names[$i] . " (" . $columns_names . ") SELECT " . $columns_names . " FROM " . $dbObj->db_get_contentDB() . "." . $links_tables_names[$i] . " where " . $where_sttmnt . "";
$dbObj->run_query('', $query);
}
}
return true;
}