added experiment/experiment type classes that match db entities

src/python/dm/common/objects/experiment.py

+#!/usr/bin/env python
+
+import time
+from dmObject import DmObject
+
+class Experiment(DmObject):
+
+    DEFAULT_KEY_LIST = [ 'id', 'name', 'dataDirectory', 'startTime', 'stopTime' ]
+
+    def __init__(self, dict={}):
+        DmObject.__init__(self, dict)
+
+####################################################################
+# Testing
+if __name__ == '__main__':
+    pass
+

src/python/dm/common/objects/experimentType.py

+#!/usr/bin/env python
+
+import time
+from dmObject import DmObject
+
+class ExperimentType(DmObject):
+
+    DEFAULT_KEY_LIST = [ 'id', 'name', 'description`', 'rootDataPath' ]
+
+    def __init__(self, dict={}):
+        DmObject.__init__(self, dict)
+
+####################################################################
+# Testing
+if __name__ == '__main__':
+    pass
+

src/python/dm/common/objects/observedFile.py

+#!/usr/bin/env python
+
+import time
+from dmObject import DmObject
+
+class ObservedFile(DmObject):
+
+    DEFAULT_KEY_LIST = [ 'path', 'lastUpdatedTimestamp' ]
+
+    def __init__(self, path=None, dict={}):
+        DmObject.__init__(self, dict)
+        if path:
+            self['path'] = path
+
+    def setLastUpdatedTimestampToNow(self):
+        self['lastUpdateTimestamp'] = time.time()
+
+    def getLastUpdatedTimestamp(self):
+        self.get('lastUpdateTimestamp')
+
+    def getPath(self):
+        return self.get('path')
+
+####################################################################
+# Testing
+if __name__ == '__main__':
+    of = ObservedFile(path='tmp/xyz')
+    print of
+    of.setLastUpdatedTimestampToNow()
+    print of
+