added containsConnection() to DB/DatabaseManager

include/orm/databasemanager.hpp

@@ -138,6 +138,8 @@ namespace Query
                        const QString &defaultConnection);
         /*! Remove the given connection from the manager. */
         bool removeConnection(const QString &name = "");
+        /*! Determine whether a given connection is already registered. */
+        bool containsConnection(const QString &name = "");
 
         /*! Reconnect to the given database. */
         DatabaseConnection &reconnect(const QString &name = "");

include/orm/db.hpp

@@ -62,6 +62,8 @@ namespace Orm
                        const QString &defaultConnection);
         /*! Remove the given connection from the manager. */
         static bool removeConnection(const QString &name = "");
+        /*! Determine whether a given connection is already registered. */
+        static bool containsConnection(const QString &name = "");
 
         /*! Reconnect to the given database. */
         static DatabaseConnection &reconnect(const QString &name = "");

src/orm/databasemanager.cpp

@@ -313,6 +313,11 @@ bool DatabaseManager::removeConnection(const QString &name)
     return true;
 }
 
+bool DatabaseManager::containsConnection(const QString &name)
+{
+    return (*m_connections).contains(name);
+}
+
 DatabaseConnection &DatabaseManager::reconnect(const QString &name)
 {
     const auto &name_ = parseConnectionName(name);

src/orm/db.cpp

@@ -62,6 +62,11 @@ bool DB::removeConnection(const QString &name)
     return manager().removeConnection(name);
 }
 
+bool DB::containsConnection(const QString &name)
+{
+    return manager().containsConnection(name);
+}
+
 DatabaseConnection &DB::reconnect(const QString &name)
 {
     return manager().reconnect(name);