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"""
Representation for a resolved Context.
.. module:: resolved_context
:synopsis: Creates a ContextResolver
.. moduleauthor:: Dave Longley
.. moduleauthor:: Gregg Kellogg <gregg@greggkellogg.net>
"""
from cachetools import LRUCache
MAX_ACTIVE_CONTEXTS = 10
class ResolvedContext:
"""
A cached contex document, with a cache indexed by referencing active context.
"""
def __init__(self, document):
"""
Creates a ResolvedContext with caching for processed contexts
relative to some other Active Context.
"""
# processor-specific RDF parsers
self.document = document
self.cache = LRUCache(maxsize=MAX_ACTIVE_CONTEXTS)
def get_processed(self, active_ctx):
"""
Returns any processed context for this resolved context relative to an active context.
"""
return self.cache.get(active_ctx['_uuid'])
def set_processed(self, active_ctx, processed_ctx):
"""
Sets any processed context for this resolved context relative to an active context.
"""
self.cache[active_ctx['_uuid']] = processed_ctx
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