class NewsCrawler::Storage::YAMLStor::YAMLStorEngine
Basic class for YAMLStor
engine. Subclass and implement all its method to create new YAMLStor
engine, you should keep methods’ singature unchanged
Public Class Methods
get_engines()
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Get engine list @return [ Array ] list of url queue engines
# File lib/news_crawler/storage/yaml_stor/yaml_stor_engine.rb, line 35 def self.get_engines @engine_list = @engine_list || [] @engine_list.inject({}) do | memo, klass | memo[klass::NAME.intern] = klass memo end end
inherited(klass)
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# File lib/news_crawler/storage/yaml_stor/yaml_stor_engine.rb, line 29 def self.inherited(klass) @engine_list = (@engine_list || []) + [klass] end
Public Instance Methods
add(module_name, key, value)
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Add entry to raw data collection @param [ String ] module_name @param [ String ] key @param [ Object
] value
# File lib/news_crawler/storage/yaml_stor/yaml_stor_engine.rb, line 47 def add(module_name, key, value) raise NotImplementedError end
clear()
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# File lib/news_crawler/storage/yaml_stor/yaml_stor_engine.rb, line 63 def clear raise NotImplementedError end
count()
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# File lib/news_crawler/storage/yaml_stor/yaml_stor_engine.rb, line 59 def count raise NotImplementedError end
get(module_name, key)
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Get entry to raw data collection @param [ String ] module_name @param [ String ] key @return [ Object
, nil ] Value or nil if key isn’t found
# File lib/news_crawler/storage/yaml_stor/yaml_stor_engine.rb, line 55 def get(module_name, key) raise NotImplementedError end