class Synchronizer():
"""
Sync data between cassandra end elasticsearch
"""
def __init__(self):
self.elasticsearch = ElasticSearchDAO()
self.cassandra = CassandraDAO()
def is_updated(self, provider, table):
"""
Check if provider is updated
:param provider: "Database" to be checked
:return: If provider is updated (True) or outdated (False)
"""
if provider.lower() == 'elasticsearch':
return False
elif provider.lower() == 'cassandra':
return False
else:
logger.error("Provider doesnt exists.")
raise ValueError('Invalid provider.')
def cassandra_to_elasticsearch(self):
"""
Write something cool here
"""
for table in self.cassandra.get_all_tables():
# if size of table content is not equal between cassandra end elasticsearch return False
if len(self.cassandra.get_all_data(table=table)) != len(self.elasticsearch.get_all_data(doc_type=table)):
return False
def elasticsearch_to_cassandra(self):
"""
Write something cool here
"""
for doc_type in self.elasticsearch.get_doc_types():
if len(self.elasticsearch.get_all_data(doc_type=doc_type)) != len(
self.cassandra.get_all_data(table=doc_type)):
return False
class Synchronizer():
"""
Sync data between cassandra end elasticsearch
"""
def __init__(self):
self.elasticsearch = ElasticSearchDAO()
self.cassandra = CassandraDAO()
def is_updated(self, provider, table):
"""
Check if provider is updated
:param provider: "Database" to be checked
:return: If provider is updated (True) or outdated (False)
"""
if provider.lower() == 'elasticsearch':
return False
elif provider.lower() == 'cassandra':
return False
else:
logger.error("Provider doesnt exists.")
raise ValueError('Invalid provider.')
def cassandra_to_elasticsearch(self):
"""
Write something cool here
"""
for table in self.cassandra.get_all_tables():
# if size of table content is not equal between cassandra end elasticsearch return False
if len(self.cassandra.get_all_data(table=table)) != len(
self.elasticsearch.get_all_data(doc_type=table)):
return False
def elasticsearch_to_cassandra(self):
"""
Write something cool here
"""
for doc_type in self.elasticsearch.get_doc_types():
if len(self.elasticsearch.get_all_data(doc_type=doc_type)) != len(
self.cassandra.get_all_data(table=doc_type)):
return False
