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[param] hierarchy traversal easier now

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mzwiessele 2014-05-14 08:53:56 +01:00
parent cff37293d9
commit 8d6eed6010
4 changed files with 57 additions and 33 deletions
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23
GPy/core/parameterization/param.py
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@ -169,8 +169,29 @@ class Param(OptimizationHandlable, ObsAr):
# parameterizable
#===========================================================================
def traverse(self, visit, *args, **kwargs):
visit(self, *args, **kwargs)
"""
Traverse the hierarchy performing visit(self, *args, **kwargs) at every node passed by.
See "visitor pattern" in literature. This is implemented in pre-order fashion.
This will function will just call visit on self, as Param are leaf nodes.
"""
visit(self, *args, **kwargs)
def traverse_parents(self, visit, *args, **kwargs):
"""
Traverse the hierarchy upwards, visiting all parents and their children, except self.
See "visitor pattern" in literature. This is implemented in pre-order fashion.
Example:
parents = []
self.traverse_parents(parents.append)
print parents
"""
if self.has_parent():
self.__visited = True
self._parent_._traverse_parents(visit, *args, **kwargs)
self.__visited = False
#===========================================================================
# Convenience