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Diffstat (limited to 'cpp/src/qpid/client/SubscriptionManager.h')
-rw-r--r--cpp/src/qpid/client/SubscriptionManager.h19
1 files changed, 16 insertions, 3 deletions
diff --git a/cpp/src/qpid/client/SubscriptionManager.h b/cpp/src/qpid/client/SubscriptionManager.h
index 0aa55099f5..3dad15fd29 100644
--- a/cpp/src/qpid/client/SubscriptionManager.h
+++ b/cpp/src/qpid/client/SubscriptionManager.h
@@ -122,10 +122,14 @@ class SubscriptionManager : public sys::Runnable
const std::string& queue,
const std::string& tag=std::string());
- /**
- * Get a single message from a queue.
+
+ /** Get a single message from a queue.
+ *@param result is set to the message from the queue.
+ *@
+ *@param timeout wait up this timeout for a message to appear.
+ *@return true if result was set, false if no message available after timeout.
*/
- Message get(const std::string& queue);
+ bool get(Message& result, const std::string& queue, sys::Duration timeout=0);
/** Cancel a subscription. */
void cancel(const std::string tag);
@@ -191,6 +195,15 @@ class SubscriptionManager : public sys::Runnable
AckPolicy& getAckPolicy();
};
+/** AutoCancel cancels a subscription in its destructor */
+class AutoCancel {
+ public:
+ AutoCancel(SubscriptionManager& sm_, const std::string& tag_) : sm(sm_), tag(tag_) {}
+ ~AutoCancel() { sm.cancel(tag); }
+ private:
+ SubscriptionManager& sm;
+ std::string tag;
+};
}} // namespace qpid::client