project commit and dir tree change

1 files changed, 54 insertions, 0 deletions

diff --git a/Monitoring/MonitoringService/DataProcessing/DataSample.py b/Monitoring/MonitoringService/DataProcessing/DataSample.py
new file mode 100644
index 0000000..ee7245d
--- /dev/null
+++ b/Monitoring/MonitoringService/DataProcessing/DataSample.py
@@ -0,0 +1,54 @@
+'''
+Created on Mar 4, 2013
+
+@author: steger
+'''
+from DataProcessing.DataSource import DataSource
+from DataProcessing.DataReader import DataReader
+
+class DataSample(DataSource):
+    pass
+
+    def __init__(self, table):
+        '''
+        Constructor
+        '''
+        DataSource.__init__(self)
+        self._data = table
+    
+    def __len__(self):
+        return len(self._data)
+
+    def __getitem__(self, k):
+        return None
+
+    @property
+    def name(self):
+        return "Original(%s)" % self._data.name
+
+    @property
+    def readerClass(self):
+        return DataReader
+
+    def _process(self):
+        status = 0
+        with self._data.readlock:
+            if self._data.evCleared.isSet():
+                self._sourcecleared()
+                self._data.evCleared.clear()
+                status |= self.CLEARED
+            if self._data.evExpanded.isSet():
+                self._sourceexpanded()
+                self._data.evExpanded.clear()
+                status |= self.EXPANDED
+        return status
+    
+    @property
+    def writelock(self):
+        return self._data.writelock
+    
+    
+    @property
+    def um(self):
+        return self._data.um
+