summaryrefslogtreecommitdiffstats
path: root/pylog/onaplogging/marker/markerFactory.py
diff options
context:
space:
mode:
Diffstat (limited to 'pylog/onaplogging/marker/markerFactory.py')
-rw-r--r--pylog/onaplogging/marker/markerFactory.py74
1 files changed, 74 insertions, 0 deletions
diff --git a/pylog/onaplogging/marker/markerFactory.py b/pylog/onaplogging/marker/markerFactory.py
new file mode 100644
index 0000000..deb9566
--- /dev/null
+++ b/pylog/onaplogging/marker/markerFactory.py
@@ -0,0 +1,74 @@
+# Copyright 2018 ke liang <lokyse@163.com>.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import abc
+import threading
+from marker import BaseMarker
+
+lock = threading.RLock()
+
+
+class IMarkerFactory(object):
+ __metaclass__ = abc.ABCMeta
+
+ @abc.abstractmethod
+ def getMarker(self, marker_name=None):
+ raise NotImplementedError()
+
+ @abc.abstractmethod
+ def deleteMarker(self, marker_name=None):
+ raise NotImplementedError()
+
+ @abc.abstractmethod
+ def exist(self, marker_name=None):
+ raise NotImplementedError()
+
+
+class MarkerFactory(IMarkerFactory):
+
+ _instance = None
+ _marker_map = {}
+
+ def __new__(cls, *args, **kwargs):
+
+ if cls._instance is None:
+ cls._instance = super(MarkerFactory, cls).__new__(cls)
+
+ return cls._instance
+
+ def getMarker(self, marker_name=None):
+ if marker_name is None:
+ raise ValueError("not empty")
+
+ marker = self._marker_map.get(marker_name, None)
+ if marker is None:
+ lock.acquire()
+ marker = BaseMarker(name=marker_name)
+ self._marker_map[marker_name] = marker
+ lock.release()
+
+ return marker
+
+ def deleteMarker(self, marker_name=None):
+ lock.acquire()
+ if self.exist(marker_name):
+ del self._marker_map[marker_name]
+ return True
+ lock.release()
+ return False
+
+ def exist(self, marker_name=None):
+
+ return self._marker_map.get(
+ marker_name, None) is not None