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Add in configuration caching to potentially avoid an unnecessary lookup.

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Mike Auty
2018-12-17 22:17:02 +00:00
parent 7ca5514b83
commit 5375e154d8
1 changed files with 5 additions and 1 deletions
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volatility/framework/interfaces/configuration.py
+5 -1
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@@ -464,6 +464,7 @@ class ConfigurableInterface(validity.ValidityRoutines, metaclass = ABCMeta):
super().__init__()
self._context = self._check_type(context, ContextInterface)
self._config_path = self._check_type(config_path, str)
self._config_cache = None
@property
def context(self) -> 'interfaces.context.ContextInterface':
@@ -476,11 +477,14 @@ class ConfigurableInterface(validity.ValidityRoutines, metaclass = ABCMeta):
@config_path.setter
def config_path(self, value: str) -> None:
self._config_path = self._check_type(value, str)
self._config_cache = None
@property
def config(self) -> HierarchicalDict:
"""The Hierarchical configuration Dictionary for this Configurable object"""
return self._context.config.branch(self._config_path)
if self._config_cache is None:
self._config_cache = self._context.config.branch(self._config_path)
return self._config_cache
def build_configuration(self) -> HierarchicalDict:
"""Constructs a HierarchicalDictionary of all the options required to build this component in the current context.