def resolve(self, state):
'''Ensure filter code and blob argument are available in the blob
cache, load the blob argument, and initialize the cache digest.'''
if self.code_path is not None:
return
# Get path to filter code
code_path, code_signature = self._resolve_code(state)
# Get contents of blob argument
blob, blob_signature = self._resolve_blob(state)
# Initialize digest
summary = ([code_signature, self.name] + self.arguments +
[blob_signature])
cache_digest = murmur(' '.join(summary))
# Commit
self.code_path = code_path
self.signature = code_signature
self.blob = blob
self.cache_digest = cache_digest
def resolve(self, state):
'''Ensure filter code and blob argument are available in the blob
cache, load the blob argument, and initialize the cache digest.'''
if self.code_path is not None:
return
# Get path to filter code
code_path, code_signature = self._resolve_code(state)
# Get contents of blob argument
blob, blob_signature = self._resolve_blob(state)
# Initialize digest
summary = ([code_signature, self.name] + self.arguments +
[blob_signature])
cache_digest = murmur(' '.join(summary))
# Commit
self.code_path = code_path
self.signature = code_signature
self.blob = blob
self.cache_digest = cache_digest
def get_cache_key(self, obj):
'''Return the result cache lookup key for previous filter executions
on this object.'''
return 'result:' + murmur(self._get_cache_digest() + ' ' + str(obj))
#
# The OpenDiamond Platform for Interactive Search
#
# Copyright (c) 2011 Carnegie Mellon University
# All rights reserved.
#
# This software is distributed under the terms of the Eclipse Public
# License, Version 1.0 which can be found in the file named LICENSE.
# ANY USE, REPRODUCTION OR DISTRIBUTION OF THIS SOFTWARE CONSTITUTES
# RECIPIENT'S ACCEPTANCE OF THIS AGREEMENT
#
'''Filter configuration and execution; result and attribute caching.
There are two caches, both accessible via key lookups in the same
Redis database.
Result cache:
'result:' + murmur(
' '.join(
murmur(
' '.join(
SHA256(filter code),
filter name,
' '.join(filter arguments),
SHA256(filter blob argument),
),
),
object ID
)
) => JSON({
def __setitem__(self, key, value):
self._attrs[key] = value
self._signatures[key] = murmur(value)
def get_signature(rtype, *args, **kargs):
return murmur(rtype + ''.join(map(str, args)) +
''.join(map(str, kargs.keys())) +
''.join(map(str, kargs.values())))
def get_cache_key(self, obj):
'''Return the result cache lookup key for previous filter executions
on this object.'''
return 'result:' + murmur(self._get_cache_digest() + ' ' + str(obj))
#
# The OpenDiamond Platform for Interactive Search
#
# Copyright (c) 2011 Carnegie Mellon University
# All rights reserved.
#
# This software is distributed under the terms of the Eclipse Public
# License, Version 1.0 which can be found in the file named LICENSE.
# ANY USE, REPRODUCTION OR DISTRIBUTION OF THIS SOFTWARE CONSTITUTES
# RECIPIENT'S ACCEPTANCE OF THIS AGREEMENT
#
'''Filter configuration and execution; result and attribute caching.
There are two caches, both accessible via key lookups in the same
Redis database.
Result cache:
'result:' + murmur(
' '.join(
murmur(
' '.join(
SHA256(filter code),
filter name,
' '.join(filter arguments),
SHA256(filter blob argument),
),
),
object ID
)
) => JSON({
def get_signature(rtype, *args):
return murmur(rtype + '' + ''.join(args))
