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Document QgsOgrConnPool::{ref,unref}

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This commit is contained in:
Sandro Mani 2016-02-03 11:40:11 +01:00
parent 060dca671e
commit f9b77f3fa5
1 changed files with 13 additions and 0 deletions
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13
src/providers/ogr/qgsogrconnpool.h
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@ -105,6 +105,15 @@ class QgsOgrConnPool : public QgsConnectionPool<QgsOgrConn*, QgsOgrConnPoolGroup
//
static void cleanupInstance();
/**
* @brief Increases the reference count on the connection pool for the specified connection.
* @param connInfo The connection string.
* @note
* Any user of the connection pool needs to increase the reference count
* before it acquires any connections and decrease the reference count after
* releasing all acquired connections to ensure that all open OGR handles
* are freed when and only when no one is using the pool anymore.
*/
void ref( const QString& connInfo )
{
mMutex.lock();
@ -115,6 +124,10 @@ class QgsOgrConnPool : public QgsConnectionPool<QgsOgrConn*, QgsOgrConnPoolGroup
mMutex.unlock();
}
/**
* @brief Decrease the reference count on the connection pool for the specified connection.
* @param connInfo The connection string.
*/
void unref( const QString& connInfo )
{
mMutex.lock();