[pytango] 08/21: Implement DeviceImpl.is_there_subscriber

[Sandor Bodo-Merle]

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sbodomerle-guest pushed a commit to annotated tag v9.2.0a
in repository pytango.

commit 3581a26b0cba3b9fed469c208bbe72726862cf2d
Author: Jose Tiago Coutinho Macara <tiago.coutinho at esrf.fr>
Date:   Thu Dec 10 13:15:35 2015 +0100

    Implement DeviceImpl.is_there_subscriber
---
 src/boost/cpp/server/device_impl.cpp |  2 ++
 src/boost/python/device_server.py    | 19 +++++++++++++++++++
 2 files changed, 21 insertions(+)

diff --git a/src/boost/cpp/server/device_impl.cpp b/src/boost/cpp/server/device_impl.cpp
index f6e76dc..eb916fb 100644
--- a/src/boost/cpp/server/device_impl.cpp
+++ b/src/boost/cpp/server/device_impl.cpp
@@ -1451,6 +1451,8 @@ void export_device_impl()
         .def("get_attr_min_poll_period", 
             &Tango::DeviceImpl::get_attr_min_poll_period,
             return_internal_reference<>())
+	.def("is_there_subscriber",
+	     &Tango::DeviceImpl::is_there_subscriber)
     ;
     implicitly_convertible<auto_ptr<DeviceImplWrap>, auto_ptr<Tango::DeviceImpl> >();
     
diff --git a/src/boost/python/device_server.py b/src/boost/python/device_server.py
index 4b46e83..cabeb9a 100644
--- a/src/boost/python/device_server.py
+++ b/src/boost/python/device_server.py
@@ -1185,6 +1185,25 @@ def __doc_DeviceImpl():
         
         New in PyTango 7.2.1
     """ )
+
+    document_method("is_there_subscriber", """
+    is_there_subscriber(self, att_name, event_type) -> bool
+
+            Check if there is subscriber(s) listening for the event.
+
+            This method returns a boolean set to true if there are some
+            subscriber(s) listening on the event specified by the two method
+            arguments. Be aware that there is some delay (up to 600 sec)
+            between this method returning false and the last subscriber
+            unsubscription or crash...
+
+            The device interface change event is not supported by this method.
+
+        Parameters :
+            - att_name: (str) the attribute name
+            - event_type (EventType): the event type
+        Return     : True if there is at least one listener or False otherwise
+    """ )
     
 def __doc_extra_DeviceImpl(cls):
     def document_method(method_name, desc, append=True):

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