Extract EventMetadata to lttng_models file

analysis/lttng_models.py

@@ -0,0 +1,36 @@
+# Model objects for LTTng traces/events
+
+def get_field(event, field_name, default=None):
+    return event.get(field_name, d=default)
+
+def get_name(event):
+    return get_field(event, '_name')
+
+
+class EventMetadata():
+    def __init__(self, event_name, pid, tid, timestamp, procname):
+        self._event_name = event_name
+        self._pid = pid
+        self._tid = tid
+        self._timestamp = timestamp
+        self._procname = procname
+
+    @property
+    def event_name(self):
+        return self._event_name
+
+    @property
+    def pid(self):
+        return self._pid
+
+    @property
+    def tid(self):
+        return self._tid
+
+    @property
+    def timestamp(self):
+        return self._timestamp
+
+    @property
+    def procname(self):
+        return self._procname