Add deferrable callbacks
Deferrable callbacks delay callback invocation until a
pre configured length of time has elapsed. One example
scenario where deferrable callbacks help is to avoid
oscillation when testing a condition and making callbacks
frequently.
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
Change-Id: I180c99b57ec1c9bde4da76d947a026f809341c8a
diff --git a/src/pdmgen.py b/src/pdmgen.py
index 5d4bf29..5e88e2c 100755
--- a/src/pdmgen.py
+++ b/src/pdmgen.py
@@ -532,6 +532,7 @@
def __init__(self, *a, **kw):
self.condition = kw.pop('condition')
self.instance = kw.pop('instance')
+ self.defer = kw.pop('defer', None)
super(ConditionCallback, self).__init__(**kw)
def factory(self, objs):
@@ -580,6 +581,7 @@
def __init__(self, *a, **kw):
self.callback = kw.pop('callback')
+ self.defer = kw.pop('defer', None)
super(Condition, self).__init__(**kw)
def factory(self, objs):
@@ -592,6 +594,7 @@
'callback': 'conditional',
'instance': self.callback,
'name': self.name,
+ 'defer': self.defer
}
callback = ConditionCallback(**args)