forked from OSchip/llvm-project
29 lines
623 B
Python
29 lines
623 B
Python
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import metrics
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class Cache:
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def __init__(self):
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self.data = {}
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self.statistics = metrics.Metrics()
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self.statistics.add_metric('hit')
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self.statistics.add_metric('miss')
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def look_for_key(self,key):
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if key in self.data:
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return True
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return False
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def add_item(self,key,value,ok_to_replace=True):
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if not(ok_to_replace) and self.look_for_key(key):
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return False
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self.data[key] = value
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return True
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def get_value(self,key,default=None):
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if self.look_for_key(key):
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self.statistics.metric_hit('hit',key)
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return self.data[key]
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else:
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self.statistics.metric_hit('miss',key)
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return default
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